Re: [RE-wrenches] KiloVault Issues

[Dave Angelini Offgrid Solar via RE-wrenches]

Another one bites the dust !  From Google.

As of March 2024, KiloVault, a solar energy storage company, is no 
longer in business.


"we go where powerlines don't"
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On 2024-07-30 10:55 am, Chris Daum via RE-wrenches wrote:

Any ideas on what might be ailing our KiloVault LiFePo4 3600HLX+ 
batteries?
Customer has 8 of the 3600HLX+ (300ah).  New outta the box and they 
aren't
holding charge. We hear that KiloVault is out of business?  Inverter is 
the
Sol-Ark 15K.  Insights on what we can do and other ideas that can 
provide a
direction will be appreciated.  Generator is 20KW 
Generwreck...er...Generac.

The installer is the customer's electrician.  Thanks so much!

Best,

Chris Daum
Oasis Montana Inc.
406-777- 4321
406-777-4309 fax
www.oasismontana.com [1]

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Re: [RE-wrenches] Sol Ark 12 k PV monitoring

[MD Electric & Solar via RE-wrenches]

On the touchscreen, touch the battery icon, you will find it there.

On Mon, Jul 29, 2024 at 8:52 PM William Miller via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Friends:
>
>
>
> I have been through the manual and I can’t find anywhere where you can see
> on the inverter front panel the PV volts or amps for each of the MPPT
> inputs.  Am I missing something?
>
>
>
> Thanks,
>
>
>
> William Miller
>
>
>
> Miller Solar
>
> 17395 Oak Road, Atascadero, CA 93422
>
> 805-438-5600
>
> www.millersolar.com
>
> CA Lic. 773985
>
>
>
>
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-- 
Michael D Nelson
MD Electric & Solar Inc.
Office: 707-412-3181
Cell: 707-684-0064
www.mdelectricsolar.com
www.facebook.com/mdelectricandsolar
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Re: [RE-wrenches] Mate 3 firmware updates

[Dave Angelini Offgrid Solar via RE-wrenches]

https://www.youtube.com/results?search_query=outback+mate3s

Dave Angelini Offgrid Solar
"we go where powerlines don't"
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text 209 813 0060

On 2024-07-19 4:18 pm, Jim Gowdy via RE-wrenches wrote:

I'm somewhat new to the solar industry and I'm starting to break into 
programming and more computer involved skills of solar.  I primarily do 
small cabins and service work, but have been a part of some decent 
residential systems.  Does anyone have any good literature and/or 
videos of updating firmware on Outback Mate3 controllers.  I've seen 
instructions, but I hear little tricks/tips that are not at all in the 
instructions.  I'm looking for a really good, detailed instruction 
sheet so I can keep it for reference.  Thanks for any responses.

--

Jim with Gowdy Electric
Cambria, Ca 93428
business  805 927 2630
cell  805 975 5279
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Re: [RE-wrenches] Another Mate 3 programming issues

[Dave Angelini Offgrid Solar via RE-wrenches]

MX60 was not networked which was the reason I stopped using them and 
went to Xantrex around 2005. Not surprised that you could not change 
MX60 settings on mate.  Long time ago...


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
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text 209 813 0060

On 2024-07-19 9:59 am, Chris Schaefer via RE-wrenches wrote:

Not sure if this helps but I had installed a full blown Outback  twin 
VFX 3648 with two MX60's with the old green cabinets back in 2005. Last 
year I had to replace the two inverters with the new FXR as the VFX is 
discontinued. In order to do this I had to dump the old oval mate and 
move up to the Mate3s, as well as replace the old Hub 10.1 and use the 
newer 10.3. When all said and done, the Mate saw the old MX60's but you 
were unable to make changes or access any data/settings. One other 
note, the 2nd inverter goes on port 7 of the Hub, not port 2 as we've 
been use to in the past.


Christopher

On Fri, Jul 19, 2024 at 12:30 PM jay via RE-wrenches 
 wrote:

HI Chris,

Can you give us more data?

Like is this a new problem, or it only started after X?

Since its not seeing the port ( NA) it could be the CC or the HUB, or 
the cable.
the hub will show an active LED light if its connecting to anything on 
that port.


You can try plugging into the CC directly to see if it reads it, 
probably easier with another mate.


It just sucks to not have tech support or anyone on wrenches from some 
OEMS


Jay

On Jul 19, 2024, at 10:13 AM, Christopher Warfel via RE-wrenches 
 wrote:


This is grid tied system with all firmware updates that the Mate 3s 
recognizes. I cannot figure this blank data menu out.  I have to 
program the battery ABS, FLOAT settings from the FM60 CC.  System is 12 
years old so no Tech support available even if they answer the 
phone


Has anyone have advice for if this is normal, or if there seems to be 
an issue? Used a spare Mate 3s with no difference.  Thank you, Chris


--
Christopher Warfel
ENTECH Engineering Inc.
PO Box 871, Block Island, RI 02807
401-477-5773
 [1]

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  --

Chris Schaefer's

Tel 585-229-2083 or Cell 585-748-1870
5115 S Hill Road ~ Canandaigua New York 14424
_www.solarandwindfx.com [4] ~ E-mail: chris@solarandwindfx.com_

Thomas Jefferson, the author of our great Constitution, once said, 
"democracy" will cease to exist when you take away from those who are 
willing to work and give to those who would not."

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Re: [RE-wrenches] AES RACK MOUNT

[Dave Angelini Offgrid Solar via RE-wrenches]

Awesome reliability on the AES 6650's we use with XW. Super easy 
installation.
The cons on the new racks are that they are more work to install 
compared to the 6650. Two ways to install with Schneider though. 
Discover has said they will automate with the internet the install soon.


I would not compare with EG4 as I do not know who is the deep pocket 
there with them and they are new on the scene.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-07-17 5:58 am, Jeremy Rodriguez via RE-wrenches wrote:


Greetings,
Whose using the new Discover
Rack mounted batteries?
They look like the EG4 line up
Pros and Cons ?
Thanks

Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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Re: [RE-wrenches] Ideas and help please. Solar Edge nightmare

[Dave Angelini Offgrid Solar via RE-wrenches]

You are talking about the LG RESU10  H   right?

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-07-10 3:20 pm, Peter Giroux via RE-wrenches wrote:

Hi my fellow wrenchers, need some help with an older SolarEdge Storedge 
system.  System has  14 kw solar, two 7.6 Storedge inverters and each 
inverter has one LG RESU 10 battery. System was installed 6 to 7 years 
ago and has worked great until the LG's started acting up. LG replaced 
them and in the interim one of the 7.6's went down. SE replaced it. 
Everything has been up and running for 12 months, SE did all the 
required firmware updates, batteries and inverters when we finished 
replacing batteries and inverter.


So, the problem is the system comes out of program every 3 to 5 days 
and luckily my customer knows how to reengage it and reprogram the 
system ( total consumption ). We have been calling SE Support for 
months and it hit a peak two weeks ago. They are telling us we need 
shielded 600Volt CAT5 twisted pair wire for all the comms. We have 
shielded cat non twisted pair, the wire they had us install 6 years ago 
( which has worked just fine. When I asked the tech do I use one or 
both of a twisted pair he said just one. I asked what is the difference 
from the wire we are using if you are asking us to use just one of each 
twisted pair. They could not answer and when asked to get a more senior 
tech they said until we had shielded cat 5 twisted pair installed we 
could no longer speak with them.


I found some 600 volt, shielded cat 5 twisted pair and installed one 
section, from one inverter to it battery. Took forever to separate the 
twisted pair, strip one and insert it. System is now Buggier than it 
was.


The tech could not explain why the system has worked well for 6 years 
with the shielded single wire and after replacing a inverter and the 
batteries it is now throwing the programing, just demanded the 600 
volt, cat 5 shielded wire.


So folks, my apologies for rambling by both my customer and I are at 
our wits end. We have reached out to the head of tech support but only 
crickets. Any and all help or ideas appreciated.


Thx

Peter Giroux

American Solar

Norcross Ga

678 525 0468
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Re: [RE-wrenches] DC fan for greenhouse

[AE Solar via RE-wrenches]

We had used some Snap-Fans many many years ago on some greenhouse
applications. Looks like they are still in business and their product line
has expanded so that says something….
http://www.snap-fan.com/


Adam Katzman (he/him)
Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com 
(518) 567-1468



On Tue, Jul 9, 2024 at 9:36 AM David Palumbo via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Wrenchters,
>
> I have a friend looking for a DC fan for his 20' x 40' greenhouse here in
> northern Vermont.
>
> Recommendations please.
>
> Thanks,
>
> Dave Palumbo
> Hyde Park, VT
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Re: [RE-wrenches] Fortress LFP batteries and Outback charge controller

[Dave Angelini Offgrid Solar via RE-wrenches]

 You and the client lose the ability to monitor it all in one place do 
you not?


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-29 4:48 pm, Kirk Herander via RE-wrenches wrote:


All,

I'm wondering if there are any precautions if charging a Fortress 
Evault LFP bank using 1 or more OB charge controllers, in tandem with 
an Envy inverter PV input.


I know it will have to be programmed differently, and it will be open 
loop, no CC control from the BMU,.


This is a net metered system using a Fortress 12 kw inverter. The total 
PV input of the inverter is 21 kw. Max sell back is 12 kw, while 
charging batteries at 6 kw.


My issue is the customer has his heart set on maxing out the roof 
capacity at 25 kw. And I don't really need to add a second inverter for 
critical loads, Only to increase integrated DC-coupled PV capacity.


So I feasibly put part of the array on external charge controller(s) , 
open-looped, and the remainder on a single 12kw Envy inverter.


A second inverter also increases the AC capacity, and as a result, 
involves a more comprehensive review for net metering approval in 
Vermont (new trigger for additional review is greater than 15 kw AC)..


--

Kirk Herander / kirkh@vermont.solar

Owner|Principal, VT Solar, LLC

_Celebrating our 33st Anniversary 1991-2024!!_

dba Vermont Solar Engineering

802.559.1225
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[RE-wrenches] Looking for Powerewall installer for central California

[Dave Angelini Offgrid Solar via RE-wrenches]

 Any wrenches installing the powerwall 3 in central Cali ?

https://www.tesla.com/support/energy/powerwall/learn/what-expect-powerwall-3

Dave Angelini Offgrid Solar
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   [1]https://offgridsolar1.com/ [2]  [1]
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Re: [RE-wrenches] Outback app

[Dave Angelini Offgrid Solar via RE-wrenches]

Is this referring to the Android or iOS app?
They appear to be dead horses.
Optics is functional via a web browser.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-17 2:49 pm, Jay via RE-wrenches wrote:


Is the Outback app working?

I can log into my account but not the app?

Thx
Jay
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Re: [RE-wrenches] Dual battery bank switch for 48 VDC system

[Dave Angelini Offgrid Solar via RE-wrenches]

Good Luck !   I look every year and there are never any rated this high. 
A few knock-off cheap ones but???


I have used the Blue Seas and one other with this app. If you are 
careful about switching under big loads/EQV's it will last.


If this is an insured home, you have to disclose this or be Lawyer 
fodder in a fire. Even then I would let the client buy it.


The other way around is to use 250A rated Midnite or Schneider inverter 
breakers. It is clunky as you have to know what you are doing when using 
it. You could easily turn both off and lose power. The 4 position Blue 
Seas takes that out and is much easier to

understand.

I did the 250s a few times and it worked well, is not inexpensive, and 
was legal for Home Insurance.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-15 10:18 am, greg egan via RE-wrenches wrote:

Wrenches,  I have a customer who has a 2 strings of AGM's @ 48 VDC that 
we want to split so we can charge them at decent charge rate. Adding 
more PV and/or larger generator and inverter is cost prohibitive.  I've 
seen Blue Seas (#3002) 4 position 500 amp switches that are rated for 
32VDC.  Max he could possibly pull at once with his system is less than 
100 amps.


I would assume the Blue Seas 3002 would work and I'd probably use it in 
my garage, but I'm not comfortable recommending it to a customer.  Any 
suggestions on a 60 VDC rated unit that could handle say 150 amps and 
4/0 cables?


Maybe I'm being too cautious since the max load would be < 6KW and the 
3002 is rated for 16kW load (32 VDC /500A)?   Thoughts?


Thank you,

Greg Egan
Remote Power Inc.
Fairbanks, AK
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Re: [RE-wrenches] Xantrex XW6048 HOT!

[Dave Angelini Offgrid Solar via RE-wrenches]

Yes worrisome. The fault log will show possible causes. The 
troubleshooting guide will tell you too look for black chunks of mosfet 
transistors in the right bay of XW down low. Really rare, but in a hot 
environment 10 years is pretty amazing.


All of the docs are on the Schneider site under XW 120.
https://solar.se.com/us/en/discontinued-products/

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-13 2:22 pm, Jason Szumlanski via RE-wrenches wrote:

Yes, I checked the air flow. It seems equal to the others. It's really 
strange because after turning off Inverting and Charging, the unit is 
idle and does not cool down. That's worrisome.


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Thu, Jun 13, 2024 at 1:12 PM Kevin Pegg via RE-wrenches 
 wrote:



Hi Jason,

Have you checked the black removeable air intake filter on the bottom 
of the inverter to make sure it's not clogged up? Check fan operation 
with a piece of paper above the inverter - is it blowing air? That's 
where I'd start.


Kevin

From: RE-wrenches  On 
Behalf Of Jason Szumlanski via RE-wrenches

Sent: June-13-24 8:01 AM
To: RE-wrenches 
Cc: Jason Szumlanski 
Subject: [RE-wrenches] Xantrex XW6048 HOT!

I'm looking at an off-grid quad inverter setup for a client, not my 
installation. One of the stacked.inverters is extremely hot, sometimes 
it goes into F66 and takes down the adjacent inverters with it to F66 
probably because of these Xanbus network is broken.


I disabled charging and discharging on the inverter that is getting 
hot, but it's still remains very hot. Any ideas?


I tried to put that one inverter in standby, but the generator will 
not sync with the remaining three and charge the batteries. So I have 
to leave it in normal operating mode for the moment.


Jason Szumlanski

Florida Solar Design Group  
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Re: [RE-wrenches] Xantrex XW6048 HOT!

[Dave Angelini Offgrid Solar via RE-wrenches]

Disco 250A breaker on bad XW and remove its xanbus RJ45. Assume the bad 
one is not the master?


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-13 8:01 am, Jason Szumlanski via RE-wrenches wrote:

I'm looking at an off-grid quad inverter setup for a client, not my 
installation. One of the stacked.inverters is extremely hot, sometimes 
it goes into F66 and takes down the adjacent inverters with it to F66 
probably because of these Xanbus network is broken.


I disabled charging and discharging on the inverter that is getting 
hot, but it's still remains very hot. Any ideas?


I tried to put that one inverter in standby, but the generator will not 
sync with the remaining three and charge the batteries. So I have to 
leave it in normal operating mode for the moment.


Jason Szumlanski
Florida Solar Design Group
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Re: [RE-wrenches] Xantrex XW6048 HOT!

[Dave Angelini Offgrid Solar via RE-wrenches]

Going out the door.

If the bad inverter is the master. You will need to assign a new master. 
Since this is 1st generation XW you will need to use SCP and probably 
use the manual if you are not familiar. Rebuild the xanbus network.


That is alot of loading and the usual warnings about heat killing 
electronics and the need of cooling down your way.  Good Luck!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-13 8:26 am, Dave Angelini Offgrid Solar via RE-wrenches 
wrote:


Disco 250A breaker on bad XW and remove its xanbus RJ45. Assume the bad 
one is not the master?


Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-13 8:01 am, Jason Szumlanski via RE-wrenches wrote:

I'm looking at an off-grid quad inverter setup for a client, not my 
installation. One of the stacked.inverters is extremely hot, sometimes 
it goes into F66 and takes down the adjacent inverters with it to F66 
probably because of these Xanbus network is broken.


I disabled charging and discharging on the inverter that is getting 
hot, but it's still remains very hot. Any ideas?


I tried to put that one inverter in standby, but the generator will 
not sync with the remaining three and charge the batteries. So I have 
to leave it in normal operating mode for the moment.


Jason Szumlanski
Florida Solar Design Group
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Re: [RE-wrenches] Two Outback Radian 8048 fails in same week..what is likely wrong in 7+ year inverters?

[Dave Angelini Offgrid Solar via RE-wrenches]

High temperatures are a major cause of electronic equipment failures, 
contributing to more than 50% of them. A rule of thumb is that for every 
10°C increase in temperature, the failure rate of electronic components 
will double and their life will be reduced by half. This rule is based 
on the Arrhenius equation, which can be used to compare damage that 
accumulates over time at different temperatures.


 In troubleshooting a very rare failure in XW that sounds like yours, 
look for little black chunks of Mosfet chips in the power section.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-09 3:49 pm, Scot Arey via RE-wrenches wrote:

Longtime Outback user but since the experience of this group is so 
varied, I'll say 8-years (so you real old-timers don't laugh!).


Here is the scenario of two systems:

First is a full off-grid customer and we have two stacked 8048s, with 
four FM80s and a 14kw array that charges a RE2200. After a home fire 
(not related to the solar!) we got the system back on and it required 
heavy dual inverter operations to get the home going after a four-month 
hiatus. Looks like that slave inverter stopped working at end of the 
day after we re-powered and departed. He can operate with the single 
8048.


The second situation is a used 8048 I have at the Texas coast that 
powers a small duck/hunt bunkhouse. It was used system (and I'm a 
benefitting member) but worked just fine when I put in. Went down to 
check the batteries (FLA, as AGM nor lithium was in budget) and there 
was not inverter output and no indication on the MATE like an error 
code.


So my question is - what typically fails in a 8048 from old age or heat 
stress? Wanted to ask here since so many issues with Outback tech spt 
during its transition. Neither inverter is in warranty, but trying to 
field repair anything I might be able to.


I do have battery voltage past the two 175A disconnects in the GSLC. No 
"thump" I typically get when the inverter first gets battery power and 
no lights.


Any troubleshooting tips to identify the culprit part?

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Re: [RE-wrenches] Sol-Ark Support

[Dave Angelini Offgrid Solar via RE-wrenches]

Optics was down again last weekend and I read this comment below from 
the Outback forum.


Day 11….without communication with our Sol Ark 15k inverter….Thanks 
Sol-Ark Solar


* Quote [4]

Post [5]  Mon Jun 03, 2024 4:07 pm

Who would have known? A conspiracy theorist that is right??? So it is no 
longer a conspiracy?  


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-06-05 11:13 am, Lloyd Hoffstatter via RE-wrenches wrote:


Hi Howie,

Text from FB user Scott Shadle Sol-Ark owners  Information network:

Migration update (edit at 10 am central...my plant is now populating 
the new solark app. So...hang in there)


Just had a very nice call with Sol Ark tech support.  He suggested that 
perhaps my Facebook update would help reduce the huge number of calls 
they are getting.   I took notes.  I don't work for Sol Ark.  I have no 
idea if any of the following is factual other than it is what the tech 
support person relayed to me.


1.  The migration has been challenging.  They are using a 3rd party 
entity to do the work.  The did a first test of 100 sites. A second 
test of 4,000 sites.  At that point they did not have any material 
problems and attempted a full roll out of the remaining sites.  They 
had a lot (no definition of "a lot") of sites that had problems.  So, 
it is accurate that many of you are seeing the migration but a 
significant number of others (like me) are not getting information on 
either the old pv pro or the new mysolark.


2.  Why?  He said they believe it has to do with the wifi dongle.  I 
didn't try to get more specific.  Just said that the wifi dongle is not 
pointing at either site, so...like my situation...you are not able to 
see any information inside any of the apps...old or new.  Nor can you 
access your 15k to do any remote changes.  If you want to make changes 
you will have to go to the device.


3.  Fix and timing?  Unknown.  He asked that I be patient and give it a 
week, but hoped it would be resolved sooner.


4.  Is there any steps I the customer can take to make this better.  
No.  It is all on their side.


5. Data migration.  He suggested that the data migration is still an 
open topic.  I expressed to him that in my emails with the PV Pro tech 
support they only allow for you to download one day at a 
time.oruse their reporting screens to get summarized 
information in graphical format (not the actual data).  He said the 
whole data migration topic is still being worked on by Sol Ark and they 
are reaching out to their installers and of course end user customers 
to try and layer in more and more functionality on the data reporting / 
data harvesting side of things.  The suggestion...without any 
specifics...was that the new site will have much more functionality 
soonand...they can continue to improve it over time.  They did not 
have that ability with PV Pro.


6. Mobile app.  For those not aware, there is a new app (I'm on android 
and it was easy to download and put in my plant) mysolark.


He asked that we be patient.  Said tech support is getting swamped with 
calls and that they (tech support) can't really do anything to help 
until the 3rd party company fixes the migration issue(s).


Nice guy.  Reasonable responses.

Hopefully this will help some of you who are puzzled by fellow Facebook 
users on this board that are having no issues.

I'm going to give it a week.

Best regards
-

From: Lloyd Hoffstatter 
Sent: Wednesday, June 5, 2024 2:07:43 PM
To: RE-wrenches 
Cc: Howie Michaelson 
Subject: Re: [RE-wrenches] Sol-Ark Support

They are swamped with calls while they work to transition, and 
partially depends on a third party per user comments on Sol-ark users 
FB group after talking to tech support.

Best regards,
Lloyd

Get Outlook for iOS [1]
-

From: RE-wrenches  on behalf 
of Howie Michaelson via RE-wrenches 

Sent: Wednesday, June 5, 2024 1:41:07 PM
To: RE-wrenches 
Cc: Howie Michaelson 
Subject: [RE-wrenches] Sol-Ark Support

Is anyone else having trouble getting through to Sol-Ark support?

Howie Michaelson
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Re: [RE-wrenches] How many times can a rafter have a lag screw put in and out before it is no longer structurally sound? Some roofs getting their 3rd set of new shingles

[Dave Angelini Offgrid Solar via RE-wrenches]

Scott,

For liability you might want a before and after inspection by a really 
top inspector that you trust.


I would also ask your insurance for guidance. My insurance is always 
telling me that going out of business is the typical last

straw for roofers.

Build a solar pergola

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-30 11:41 am, Ray Walters via RE-wrenches wrote:

I would add to this that the size of the lag is a factor too.  3/8" 
lags into 1-1/2" wide rafters are going to cause much more damage, and 
leave larger voids, than the new 1/4" high strength lags I use now.  I 
like the rafter sistering idea, as a solution, as well as moving the 
rails up or down several inches to get away from the previous hole.  A 
third idea is staggering the mount pattern from rail to rail, which is 
something we should all be doing anyway to insure the loads are more 
equally distributed across all the rafters. Then we just change the 
pattern on the 2nd installation.


Unfortunately I think much of this will be lost, since some of the 
companies that roofers subcontract with to do these remove and replace 
jobs are not always the top solar contractors.


Ray Walters
Remote Solar

On 5/29/2024 10:17 PM, William Miller via RE-wrenches wrote:


Scot:

Fascinating question.  It's a bit ironic that the changing climate is 
damaging the equipment we are utilizing to combat climate change.


A lag unscrewed will damage a wooden member less than a lag ripped 
out.  From your post it seems we are dealing with the former, rather 
than the latter.


If your layout isn't changing there is a likelihood that the new 
mounting locations will be at our near the old mounting locations.  
This will be true for a rafter lag or deck mount screw.  It seems to 
me the process of re-screwing in the same spot in a rafter is just as 
questionable as re-screwing in the same spot in sheeting.  I see no 
benefit in deck mounting and many disadvantages.


If severe weather is an issue I would avoid deck mounting unless you 
have vetted the decking and the applicability of the chosen fasteners 
to that material.  I would not standing-seam mount without knowing how 
the sheeting panels are secured and finding a method to calculate how 
many clips are needed given the increasing wind loads.


I see two questions about reinstalling screws repeatedly:

1.   Is the rafter less able to support loads?  Or,

2.   Is the rafter (or decking) less able to retain the fasteners 
holding the PV to the roof?


Speculation on the above:

1.   Wood fibers adhere to each other.  They are not like a bundle of 
straws.  If you damage a fiber in one place, it is supported on either 
side of the point of damage by this adherence.  My guess is by just 
withdrawing screws a few times you do not compromise the load handling 
ability of a rafter member.  Site built rafters require different 
considerations than trusses.  Site built are a wild-card and need to 
be considered on a case-by-case basis.


2.   If you penetrate wood with screws multiple times in a small area, 
you are going to make that area "soft."  Screw holding capabilities 
will be drastically reduced.


Options that I see:

1.   Flashed stanchions.  The lags never need to be removed.

2.   Blocking, to attach in new locations.

3.   Sistering, again to attach in new locations.

4.   Not deck mounting (IMHO).

Anecdote:  We had a tile roof mount inspected one August afternoon.  
The inspector insisted on looking in the attic.  We asked why and he 
said this city has a particular concern about structural integrity of 
wood framed roofs.  I was aware of this because I have had some silly 
arguments about this with the lead inspector.  Apparently they have 
seen a lot of big-box solar company installers drive lags carelessly 
and had the lags blow out the side of the rafter.  If they spot this 
they make the installer hire an engineer and design a system to sister 
the rafters to engineering standards.  I totally get this concern.  We 
use a rafter locator and are really careful.  This is not to say we 
have not had a blow out now and then.  You gotta have a feel for the 
torque resistance of a lag while seating.


Thank you for bringing this up.  As I said, fascinating (to this 
wonk).


William

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [1]

CA Lic. 773985

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] 
On Behalf Of Scot Arey via RE-wrenches

Sent: Wednesday, May 29, 2024 3:16 PM
To: 'RE-wrenches'
Cc: scot.a...@solarcentex.com
Subject: [RE-wrenches] How many times can a rafter have a lag screw 
put in and out before it is no longer structurally sound? Some roofs 
getting their 3rd set of new shingles


With all our Texas hail storms, we now have roof solar systems that 
might have to c

Re: [RE-wrenches] Simpliphi Phi 3.8 48V Case Color

[Dave Angelini Offgrid Solar via RE-wrenches]

All I can add is get the closed loop version with electronics that can 
interface. It is a huge improvement over open loop.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-29 9:10 am, Darryl Thayer via RE-wrenches wrote:

I was under impression that white case has a communication and black 
has none.  Some inverters can communicate some can not with the white 
case.  On a new project have matched inverter and battery.


On Wed, May 29, 2024, 6:15 AM Jason Szumlanski via RE-wrenches 
 wrote:


Is there a difference in the batteries in a white case vs. black case? 
Are they compatible in terms of paralleling them?


Secondary question - I can't find the maximum number of these 
batteries in parallel. Is anyone aware of the capacity limit?


Jason Szumlanski
Florida Solar Design Group

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Re: [RE-wrenches] replacement needed for 12 vdc, 20w El-Sid circulator

[Solar Energy Solutions via RE-wrenches]

Dear Kirk and All,
We use the Laing Pump D5 solar/720B  Part # LMB15107992
Smiles,

 Andrew KoyaanisqatsiPresidentSolar Energy Solutions, Inc.
The BRIGHT CHOICE
Since 1987, helping you and your Portland neighbors
move towards an environmentally sustainable future.503-238-4502
www.SolarEnergyOregon.com  

On Monday, May 27, 2024 at 07:26:47 AM PDT, Drake Chamberlin via 
RE-wrenches  wrote:  
 
 
I have a box of new, 24VDC El Sid pumps that I decided not to use. I would be 
willing to sell the lot for what i have in it.

Drake 

Drake Chamberlin
Athens Electric LLC
Ohio Electrical Contractor’s License 44810
NABCEP Certified PV Installation Professional
---
 



On 2024-05-26 12:35, Kirk Herander via RE-wrenches wrote:

Hello, Any recommendations for replacement? A customer's El Sid on an old Sdhw 
system just failed after 20 years of service. It is powered directly from a PV 
module. Thanks in advance.
 -- 

Kirk Herander / kirkh@vermont.solar

Owner|Principal, VT Solar, LLC

Celebrating our 33st Anniversary 1991-2024!!

dba Vermont Solar Engineering

802.559.1225

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Re: [RE-wrenches] Discover AES exposion

[Dave Angelini Offgrid Solar via RE-wrenches]

Hey Michael,

I heard that it was a pretty small shed, can you comment on that please. 
Good luck on the trouble shooting.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-27 8:40 pm, Michael Morningstar via RE-wrenches wrote:


Hey Everybody,

I wanted to circle back on the Discover AES explosion that I reported a 
few weeks ago. As far as we know, there was a thermal runaway 
situation. Gas from the battery filled the power room and then ignited 
causing an explosion. It was hot enough that anything plastic melted. 
The steel man door blew off its hinges. Beyond that, we are still 
trying to figure out why it happened.


For now, what I want to say is that Discover has been awesome. The VP, 
CEO and crew responded immediately. They are paying for the cleanup of 
the building by a specialized remediation company, offered to pay to 
have the building rebuilt, 2nd day shipped new rack mount batteries and 
a pre-built Schneider system to the site. Are paying a plumbing 
contractor to replace all of the plumbing (booster pump, pressure tank 
and significant treatment equipment. Flying Mike Wight (ace off-grid 
installer and applications engineer for Discover) to the site for the 
rebuild. And reimbursing me for my involvement. This with no coercion 
or dawdling about. As soon as they found out, they were on it. I spoke 
with the VP and CEO and they genuinely care about my clients and want 
to do right for the sake of doing right, not to avoid litigation. Tell 
me of another RE company, or any company for that matter that would 
respond this way.

--

Michael Morningstar

Morningstar Electric Inc

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

CSLB 1116835

mjmornings...@gmail.com

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Re: [RE-wrenches] Water system with Grundfos SQFlex

[Dave Angelini Offgrid Solar via RE-wrenches]

Hey Brad,

Sometimes shooting is best if you tell more on what you have done so far 
like using the SQF shooting guide, especially on a holiday weekend
Assume there is a CU200 controller and pump is in ground still, must be 
with 100ft head, sorry

No high amps? It runs, How old?

--Dave

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-26 4:26 am, Jay via RE-wrenches wrote:


Hi Brad

With 2 check valves leaking I'd look for a broken pipe or a corroded 
fitting.


If there is anyway to isolate between the 2 check valves then you could 
measure the pressure drop on both sides which should point to the 
direction of the leak.


Jay

On May 25, 2024, at 7:41 PM, Bradley Bassett via RE-wrenches 
 wrote:


I have a water system with a Grundfos SQFlex SQF3-2 pump. I'm getting 
water flow in reverse either through the pump or a leak up to the 
pump. My question is if the check valve on the top of the pump is not 
sealing, will the progressive cavity pump allow water to flow through 
the pump in reverse? I'd think that with a positive displacement pump 
it would not, except very slowly or if it turned the motor backwards 
which I think would be very unlikely. There is about 100 psi head on  
the pump.


I think it's most likely I have a leak somewhere in the plumbing, and 
of course another failed check valve farther up in the plumbing. It's 
possible to get failures even with redundant protection if you have 
two concurrent failures, which I must have here.


Brad Bassett
Old time solar guy who used to do solar pumping back in the '80's and 
'90's. Mostly retired now.


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Re: [RE-wrenches] Outback Tech Support

[Dave Angelini Offgrid Solar via RE-wrenches]

Jay, maybe the price was right? Obvious the old parent corporation 
wanted into commercial solar. As for EG4 maybe the old lawyer shark 
saying about eat or be eaten. It was about 5 years back that Schneider 
sold all commercial solar and it helped their stock.


Crossing fingers! Happy hour soon!

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-24 3:58 pm, jay via RE-wrenches wrote:


Hi Drake,

What it says to me is that they either fired everyone or said move to 
tx.


I've always joked that if the potential project I'm to work on starts 
badly it never gets better.


I still don't understand why the owners of EG4 would by a legacy 
inverter company?


Jay

On May 24, 2024, at 4:20 PM, Drake Chamberlin via RE-wrenches 
 wrote:


Hello All,

With the sale of Outback, their tech support seems to have 
disappeared. Around the time of the sale, tech support had agreed to 
send me a new control stack for a Radian. After a long delay, they did 
send it, but were quick to remind me to return the core.


When the new control stack was installed, the inverter would not work. 
The error message was AC Out Voltage Low. I put the old one back in 
and returned the one they sent. There is no one to talk to, and no one 
answers email.


Do you know if the new owners are planning to honor product warranty? 
Is tech support coming back?


This is a pretty rough transition. It will likely leave a number of 
people in the dark.


Fun Times Indeed!

Drake

_Drake Chamberlin_

_Athens Electric LLC_

_Ohio Electrical Contractor's License 44810_

_NABCEP Certified PV Installation Professional_

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Re: [RE-wrenches] Outback Tech Support

[Dave Angelini Offgrid Solar via RE-wrenches]

Marshall Neipert [3]Forum MemberPosts: 11 [4]Joined: Mon May 20, 2024 
10:07 amMy RE system: President of Outback Power

https://www.linkedin.com/in/neipertContact:
Contact Marshall Neipert [5]

You should ask him Drake! He is on the forum and responding to some 
emails. Here is in a link that he is taking suggestions on

https://forum.outbackpower.com/viewtopic.php?t=18726

Kind of weird that the president is using a linkedin address but it is 
their company now. That is the main reason I responded on the Solar edge 
stock.
You have to stay in business to be in business. With that price hit and 
an address in Isreal right now, beware!


I know very little about roof mounted electronics because I do not go on 
roofs. I totally get it that most here do. I still have my rights I 
think!


FRIDAY ! Stay Safe !

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-24 3:20 pm, Drake Chamberlin via RE-wrenches wrote:


Hello All,

With the sale of Outback, their tech support seems to have disappeared. 
Around the time of the sale, tech support had agreed to send me a new 
control stack for a Radian. After a long delay, they did send it, but 
were quick to remind me to return the core.


When the new control stack was installed, the inverter would not work. 
The error message was AC Out Voltage Low. I put the old one back in and 
returned the one they sent. There is no one to talk to, and no one 
answers email.


Do you know if the new owners are planning to honor product warranty? 
Is tech support coming back?


This is a pretty rough transition. It will likely leave a number of 
people in the dark.


Fun Times Indeed!

Drake

_Drake Chamberlin_

_Athens Electric LLC_

_Ohio Electrical Contractor's License 44810_

_NABCEP Certified PV Installation Professional_

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[5] https://forum.outbackpower.com/viewtopic.php?t=18726#___
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Re: [RE-wrenches] I know you've all said, "I told you so..." SolarEdge...

[Dave Angelini Offgrid Solar via RE-wrenches]

Well to me the final, final straw is their stock price losing 2/3 its 
value in a year.


I tell all of my clients if you ever have to do roof solar, you should 
use a central inverter and not ever put electronics on a roof. Bad 
enough to put solar panels up there!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-24 9:10 am, Scot Arey via RE-wrenches wrote:

SolarEdge…I keep saying they fixed their reliability issues, but the 
latest storms in Central Texas leave me again with frustration. Some 
systems worked, others did not. Worst was ones that were 
surge-sensitive as grid utility power was restored so a system in 
backup yesterday turns into a service call with the grid back, as a 
finicky BUI transfer switch didn't go back to grid power.


Make the run to the affected customer and wait and wait and wait for 
tech support, only for them to finally take my call after I've packed 
everything up (how long must we wait for a call pickup?) and the first 
question is "send us pics of the installation." Of course that is to 
grade the work and despite me saying we replaced a comms card in 
November, and don't you have that picture still? I get the tier-1 
blocking before I get to tier-2.


I've had a lot of final straws with SolarEdge, each time assuaged by a 
"we're fixing reliability…we've improved tech support" but objectively, 
this company drives most of my reliability frustration. Intra-"box" 
comms are so finicky. I've told them they have Backup Interface Units 
that get stuck between grid and backup during the rapid on and off 
utility outages that come with many storms and they try to say "we have 
not seen that" but I tell them I gave five examples just from me!


Vent over…know many of you have left SolarEdge and I suppose its stock 
price a manifestation of that.


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Re: [RE-wrenches] Optics

[Dave Angelini Offgrid Solar via RE-wrenches]

 by vincjwan [14] » Mon May 20, 2024 10:49 pm

it's back online but without Graph and historic data

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [5]https://offgridsolar1.com/ [6]  [5]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-21 7:32 am, Todd Cory via RE-wrenches wrote:


"OPTICS RE Back Online [1]

* Report [2]
* Quote [3]

Post [1] by Marshall Neipert [4] » 20 May 2024 20:32

Enersys has fixed the issue and Optics RE is back online."

Except it is not for me.

Todd

On Tuesday, May 21, 2024 7:22am, "Dave Angelini Offgrid Solar via 
RE-wrenches"  said:


Anyone who fixes Outback's inability to run closed loop would be great.

I think I have seen Outback claim it was coming soon for 5 years now. 
Hopefully they can get Optics

up soon for my 3 clients.

Dave Angelini Offgrid Solar "we go where powerlines don't" 
[5]https://offgridsolar1.com/ [6] [5] e-mail offgridso...@sti.net text 
209 813 0060


On 2024-05-20 5:41 pm, Jay via RE-wrenches wrote:

I don't know who's bigger or has more money.

EG4 is a manufacturer

Signature is a distributor

Both are in the same town

Some one on this site said EG4 said they bought OB.

EG 4 makes more sense as they would have lots of Chinese manufacturing 
contacts. If OB is coming out with new products, I'd expect they are 
coming out of China.
I could easily see them partnering with any of the large Chinese 
companies.


I guess we will know soon.

Jay

On May 20, 2024, at 6:16 PM, Steve Higgins via RE-wrenches 
 wrote:


At Intersolar (January) San Diego, I heard Bigbatterybox.com purchased 
Outback. Since then, I've heard it may be Signature Solar. I am unsure 
who purchased them, but with them being so close to Signature Solar, 
that makes sense. I'm not sure who purchased them, but they have been 
asleep at the wheel since then. They can't sell any product in Canada 
because they have let their CSA certificates lapse.


[7]
Steve Higgins ⋅ Technical Services Manager
t +1.902.597.4020  m +1.206.790.5840
f +1.902.597.8447  e st...@surrette.com
[8] [9] [10] [11]

-

CONFIDENTIALITY: The information transmitted herein is intended only 
for the addressee and may contain confidential, proprietary and/or 
privileged material. Any unauthorized review, distribution or other use 
of or the taking of any action in reliance upon this information is 
prohibited. If you receive this email in error, please contact the 
sender and delete or destroy this message and all copies.

-

On Mon, May 20, 2024 at 4:45 PM Jerry Shafer via RE-wrenches 
 wrote:
So here is the scoop, I got it that outback is moving to Dallas and 
will still be a premium product, and yes the optics shut down had 
something to do with the sale. Everyone hold on as they say they have 
new products at SPI this fall. Keep your fingers crossed and let's all 
wait patiently.

Fun times

On Sun, May 19, 2024, 10:53 AM Lou Russo via RE-wrenches 
 wrote:
I started poking through EnerSys's (The most recent owner of Outback) 
SEC filings in hopes to find who the new buyer is. I found nothing 
related to the sale but found this in their most recent quarterly 
report :


On November 8, 2023, the Company's Board of Directors approved a plan 
to stop production and operations of residential renewable energy 
products, which include our OutBack and Mojave brands. Management 
determined that residential renewable energy products no longer fit 
with the company's core strategy and resources will be better allocated 
toward commercial energy solutions for enterprise customers. The 
Company currently estimates that the total charges for these actions 
will amount to $23.5 million relating primarily to $22.6 million in 
non-cash charges primarily including inventory and an indefinite-lived 
intangible asset write-offs and $0.9 million in cash charges including 
employee severance and retention payments. The plan is expected to be 
completed in fiscal 2024. During the nine months of fiscal 2024, the 
Company recorded non-cash charges totaling $6.6 million primarily 
related to indefinite-lived intangible asset write-off and cash charges 
of $0.4 million related to severance costs. The Company also recorded a 
non-cash write off relating to inventories of $16.1 million, which was 
reported in cost of goods sold.


To say I am curious about what is going on is an understatement.

Aloha,

Lou Russo
Owner
l...@spreesolarsystems.com
808 345 6762
Spree Solar Systems LLC
CT-34322

On Sun, May 19, 2024 at 2:21 AM Jay via RE-wrenches 
 wrote:


I agree with you William

While there could be all sorts of valid reasons for the downtime.

What's not acceptable is the lack of communication and notification 
that it was going to happen or had happened.


If they do have new owners they are not starting well.

Jay

On May 18, 2024, at 9:42 PM, William Miller via RE-wrenches 
 wrote:


Friends:

I am sure you are all acutely

Re: [RE-wrenches] Optics

[Dave Angelini Offgrid Solar via RE-wrenches]

Anyone who fixes Outback's inability to run closed loop would be great.

I think I have seen Outback claim it was coming soon for 5 years now. 
Hopefully they can get Optics

up soon for my 3 clients.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [8]https://offgridsolar1.com/ [9]  [8]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-20 5:41 pm, Jay via RE-wrenches wrote:


I don't know who's bigger or has more money.

EG4 is a manufacturer

Signature is a distributor

Both are in the same town

Some one on this site said EG4 said they bought OB.

EG 4 makes more sense as they would have lots of Chinese manufacturing 
contacts. If OB is coming out with new products, I'd expect they are 
coming out of China.
I could easily see them partnering with any of the large Chinese 
companies.


I guess we will know soon.

Jay

On May 20, 2024, at 6:16 PM, Steve Higgins via RE-wrenches 
 wrote:


At Intersolar (January) San Diego, I heard Bigbatterybox.com purchased 
Outback. Since then, I've heard it may be Signature Solar. I am unsure 
who purchased them, but with them being so close to Signature Solar, 
that makes sense. I'm not sure who purchased them, but they have been 
asleep at the wheel since then. They can't sell any product in Canada 
because they have let their CSA certificates lapse.


[1]
Steve Higgins ⋅ Technical Services Manager
t +1.902.597.4020  m +1.206.790.5840
f +1.902.597.8447  e st...@surrette.com
[2] [3] [4] [5]

-

CONFIDENTIALITY: The information transmitted herein is intended only 
for the addressee and may contain confidential, proprietary and/or 
privileged material. Any unauthorized review, distribution or other use 
of or the taking of any action in reliance upon this information is 
prohibited. If you receive this email in error, please contact the 
sender and delete or destroy this message and all copies.

-

On Mon, May 20, 2024 at 4:45 PM Jerry Shafer via RE-wrenches 
 wrote:
So here is the scoop, I got it that outback is moving to Dallas and 
will still be a premium product, and yes the optics shut down had 
something to do with the sale. Everyone hold on as they say they have 
new products at SPI this fall. Keep your fingers crossed and let's all 
wait patiently.

Fun times

On Sun, May 19, 2024, 10:53 AM Lou Russo via RE-wrenches 
 wrote:
I started poking through EnerSys's (The most recent owner of Outback) 
SEC filings in hopes to find who the new buyer is. I found nothing 
related to the sale but found this in their most recent quarterly 
report :


On November 8, 2023, the Company's Board of Directors approved a plan 
to stop production and operations of residential renewable energy 
products, which include our OutBack and Mojave brands. Management 
determined that residential renewable energy products no longer fit 
with the company's core strategy and resources will be better allocated 
toward commercial energy solutions for enterprise customers. The 
Company currently estimates that the total charges for these actions 
will amount to $23.5 million relating primarily to $22.6 million in 
non-cash charges primarily including inventory and an indefinite-lived 
intangible asset write-offs and $0.9 million in cash charges including 
employee severance and retention payments. The plan is expected to be 
completed in fiscal 2024. During the nine months of fiscal 2024, the 
Company recorded non-cash charges totaling $6.6 million primarily 
related to indefinite-lived intangible asset write-off and cash charges 
of $0.4 million related to severance costs. The Company also recorded a 
non-cash write off relating to inventories of $16.1 million, which was 
reported in cost of goods sold.


To say I am curious about what is going on is an understatement.

Aloha,

Lou Russo
Owner
l...@spreesolarsystems.com
808 345 6762
Spree Solar Systems LLC
CT-34322

On Sun, May 19, 2024 at 2:21 AM Jay via RE-wrenches 
 wrote:


I agree with you William

While there could be all sorts of valid reasons for the downtime.

What's not acceptable is the lack of communication and notification 
that it was going to happen or had happened.


If they do have new owners they are not starting well.

Jay

On May 18, 2024, at 9:42 PM, William Miller via RE-wrenches 
 wrote:


Friends:

I am sure you are all acutely aware, but this is not a trivial matter.  
We depend on Optics for alerts and trouble shooting.  We rely on Optics 
for the history it records to analyze trends and evaluate production 
and consumption. I doubt the data lost will back-fill.  I sell Outback 
based in great part on the Optics interface.  For this system to be 
down for days at a time is not a good sign at all.


I will be lighting up the phone lines on Monday to find out what 
happened and to emphasize this cannot become a pattern.


William

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [6]

CA Lic. 773985

Re: [RE-wrenches] UL batteries for open loop

[MD Electric & Solar via RE-wrenches]

I would think most Lithiums should work. We've used Simpliphi with Radian
successfully.
Mike

On Mon, May 20, 2024 at 4:22 PM jay via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> HI All
>
> I got a call from a fellow installer who needs a UL listed lithium
> battery.
> Say 30-50 kwh.  open loop as its working with existing OB radians.
> Could be outside or inside
>
> It so confusing to find the right battery I’d thought I would ask what
> folks are using/recommending.
>
> thanks
>
> jay
> ___
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-- 
Michael D Nelson
MD Electric & Solar Inc.
Office: 707-412-3181
Cell: 707-684-0064
www.mdelectricsolar.com
www.facebook.com/mdelectricandsolar
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Re: [RE-wrenches] Outback:

[Dave Angelini Offgrid Solar via RE-wrenches]

Interesting that Commerce, TX is 20 miles from Sulphur Springs, TX which 
is the home of Signature Solar.

  https://www.outbackpower.com/resources/ ... rt-request [4]
Shows:
404 Page Not Found
Component not found
 [5] The moderators (not Outback employees) on the forum have an 
interesting conspiracy thread going if it is a slow Monday.


https://forum.outbackpower.com/viewtopic.php?t=18704=25

Good info also on using WattPlott earlier in the thread.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-20 8:51 am, William Miller via RE-wrenches wrote:


Friends:

Optics is still down as of Monday morning.  Outback does not answer 
telephone calls.  Options on their automated attendant are Tech Support 
and Sales.  Either selection directs you to sales but no one picks up.  
I left several messages.


I called Zonna Energy to ask.  They told me Outback had been purchased 
and moved to Texas.  Zonna has stock and is being promised 
manufacturing will be continued.  Zonna is aware Optics and Tech 
Support are unavailable but don't know when it will return. Zonna says 
Outback has been responding to on-line case requests.  They seem 
confident that the Outback line will continue as before.


That's what I have learned this morning.

William

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [1]

CA Lic. 773985

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[2] http://members.sti.net/offgridsolar/
[3] https://offgridsolar1.com/
[4] 
https://www.outbackpower.com/resources/technical-support/online-support-request
[5] 
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Re: [RE-wrenches] Optics

[Dave Angelini Offgrid Solar via RE-wrenches]

Easier to read but still not a good sign!  When I worked at HP in the 
80's they struggled with keeping old equipment alive.


It was terribly expensive and they just stopped after 5 years and let 
the secondary market do repairs. Even that was expensive and


finally just stopped keeping any inventory. Repair by scavenging was the 
only way.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060






Links:
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[2] https://offgridsolar1.com/___
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Re: [RE-wrenches] Optics

[Dave Angelini Offgrid Solar via RE-wrenches]

On November 8, 2023, the Company's Board of Directors approved a plan to 
stop production and operations of residential renewable energy products, 
which include our OutBack and Mojave brands. Management determined that 
residential renewable energy products no longer fit with the company's 
core strategy and resources will be better allocated toward commercial 
energy solutions for enterprise customers. The Company currently 
estimates that the total charges for these actions will amount to $23.5 
million relating primarily to $22.6 million in non-cash charges 
primarily including inventory and an indefinite-lived intangible asset 
write-offs and $0.9 million in cash charges including employee severance 
and retention payments. The plan is expected to be completed in fiscal 
2024. During the nine months of fiscal 2024, the Company recorded 
non-cash charges totaling $6.6 million primarily related to 
indefinite-lived intangible asset write-off and cash charges of $0.4 
million related to severance costs. The Company also recorded a non-cash 
write off relating to inventories of $16.1 million, which was reported 
in cost of goods sold.


To say I am curious about what is going on is an understatement.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-19 10:51 am, Lou Russo via RE-wrenches wrote:

I started poking through EnerSys's (The most recent owner of Outback) 
SEC filings in hopes to find who the new buyer is. I found nothing 
related to the sale but found this in their most recent quarterly 
report :


On November 8, 2023, the Company's Board of Directors approved a plan 
to stop production and operations of residential renewable energy 
products, which include our OutBack and Mojave brands. Management 
determined that residential renewable energy products no longer fit 
with the company's core strategy and resources will be better allocated 
toward commercial energy solutions for enterprise customers. The 
Company currently estimates that the total charges for these actions 
will amount to $23.5 million relating primarily to $22.6 million in 
non-cash charges primarily including inventory and an indefinite-lived 
intangible asset write-offs and $0.9 million in cash charges including 
employee severance and retention payments. The plan is expected to be 
completed in fiscal 2024. During the nine months of fiscal 2024, the 
Company recorded non-cash charges totaling $6.6 million primarily 
related to indefinite-lived intangible asset write-off and cash charges 
of $0.4 million related to severance costs. The Company also recorded a 
non-cash write off relating to inventories of $16.1 million, which was 
reported in cost of goods sold.


To say I am curious about what is going on is an understatement.

Aloha,

Lou Russo
Owner
l...@spreesolarsystems.com
808 345 6762
Spree Solar Systems LLC
CT-34322

On Sun, May 19, 2024 at 2:21 AM Jay via RE-wrenches 
 wrote:


I agree with you William

While there could be all sorts of valid reasons for the downtime.

What's not acceptable is the lack of communication and notification 
that it was going to happen or had happened.


If they do have new owners they are not starting well.

Jay

On May 18, 2024, at 9:42 PM, William Miller via RE-wrenches 
 wrote:


Friends:

I am sure you are all acutely aware, but this is not a trivial matter.  
We depend on Optics for alerts and trouble shooting.  We rely on Optics 
for the history it records to analyze trends and evaluate production 
and consumption. I doubt the data lost will back-fill.  I sell Outback 
based in great part on the Optics interface.  For this system to be 
down for days at a time is not a good sign at all.


I will be lighting up the phone lines on Monday to find out what 
happened and to emphasize this cannot become a pattern.


William

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [1]

CA Lic. 773985

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
Behalf Of Lou Russo via RE-wrenches

Sent: Saturday, May 18, 2024 11:50 AM
To: RE-wrenches
Cc: Lou Russo
Subject: Re: [RE-wrenches] Optics

All my sites are currently down.

Not related but I tried to call tech support yesterday during business 
hours and got message saying thank you for calling Outback Sales leave 
a message.


I do hope they are just in transition but I got a bad feeling about 
this. I hope I am wrong.


Has anyone heard for sure who bought them? I know they were bought from 
talking to tech support but that is all I know and the Internet has 0 
info on a recent sale.


On Sat, May 18, 2024, 6:48 AM Dan Fink via RE-wrenches 
 wrote:


Mine all went down yesterday at noon MDT. I wonder if this has to do 
with the sale of Outback?


Dan Fink

Owner, Buckville Energy Consulting LLC

IREC Certified Instructor for PV and Small Wind Installation

NABCEP Ce

Re: [RE-wrenches] Fortress Avalon

[Dave Angelini Offgrid Solar via RE-wrenches]

Hey Darryl,

I got involved with the Schneider Home all in one (same thing as 
Fortress Avalon) Before that I was involved with another Schneider HV 
all in one long before Solark. Omnia failed to get to market. I get the 
hee bee jeebies with that kind of voltage offgrid. The numerous various 
failures of the LG hi voltage batteries.


There is no way to replace the battery without waiting for Fortress to 
help. With 48v, I can go to Costco or Walmart and build a temporary 48v 
bank in 3 hours. Pretty simple requirement that I have. Especially in 
this world!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-14 6:33 pm, Darryl Thayer via RE-wrenches wrote:

I am looking at going high voltage as opposed to 48 volts. This is my 
largest battery system, I have a large distance between battery and 
inverter, 40 feet, the cost of wire, 50 kW, at 50 volts is 1000 amps.  
I am thinking this is too big for me.


On Tue, May 14, 2024, 7:29 PM Mac Lewis via RE-wrenches 
 wrote:



Hello Wrenches,

I am looking closely at offering the Fortress Avalon system.  I would 
like to hear from anyone that has installed, commissioned and seen 
them work in the field. Pros and cons, all of your thoughts are 
appreciated.


Thanks! ___
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Re: [RE-wrenches] Fortress Avalon

[Dave Angelini Offgrid Solar via RE-wrenches]

Huge mistake to me to use high voltage battery.  I am biased for 
offgrid.


Dave Angelini Offgrid Solar
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text 209 813 0060

On 2024-05-14 5:28 pm, Mac Lewis via RE-wrenches wrote:


Hello Wrenches,

I am looking closely at offering the Fortress Avalon system.  I would 
like to hear from anyone that has installed, commissioned and seen them 
work in the field. Pros and cons, all of your thoughts are appreciated.


Thanks!
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Re: [RE-wrenches] Discover Xanbus SOC jumpy

[Dave Angelini Offgrid Solar via RE-wrenches]

You probably checked historical events and analysis below.

Dave Angelini Offgrid Solar
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On 2024-05-03 10:30 am, Dave Angelini Offgrid Solar via RE-wrenches 
wrote:


Kent, Battery monitor is internal to 6650 battery. No bat mon!  
Probably as you said the xanbus comms need a look as Mac said.


Dave Angelini Offgrid Solar
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text 209 813 0060

On 2024-05-03 10:24 am, Kent via RE-wrenches wrote:

Mac,

I have a system that does this (or something similar) with all of the 
Insight data a few times every day. I'm pretty sure it is lost data 
resulting from communications drop outs. Internet to the site is via 
StarLink. If you are only seeing this on the SOC data there might be a 
problem with the Xanbus connection to the battery monitor. Since the 
SOC returns to the correct value for the next data packet, I'm pretty 
sure that there is nothing wrong with the battery monitor. Kent 
Osterberg

Blue Mountain Solar

On 5/3/2024 6:54 AM, Mac Lewis via RE-wrenches wrote:
Hello Wrenches,

I have a system that suddenly started seeing quite a few SOC drops and 
blips, causing generator starts.


Here is an example SOC chart:

I plan to head up and apply a firmware update on the batteries, check 
cabling etc but Im curious if anyone has encountered/solved this issue.


Much appreciated.
--

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates
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Re: [RE-wrenches] Discover Xanbus SOC jumpy

[Dave Angelini Offgrid Solar via RE-wrenches]

Kent, Battery monitor is internal to 6650 battery. No bat mon!  Probably 
as you said the xanbus comms need a look as Mac said.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-03 10:24 am, Kent via RE-wrenches wrote:


Mac,

I have a system that does this (or something similar) with all of the 
Insight data a few times every day. I'm pretty sure it is lost data 
resulting from communications drop outs. Internet to the site is via 
StarLink. If you are only seeing this on the SOC data there might be a 
problem with the Xanbus connection to the battery monitor. Since the 
SOC returns to the correct value for the next data packet, I'm pretty 
sure that there is nothing wrong with the battery monitor. Kent 
Osterberg

Blue Mountain Solar

On 5/3/2024 6:54 AM, Mac Lewis via RE-wrenches wrote:


Hello Wrenches,

I have a system that suddenly started seeing quite a few SOC drops and 
blips, causing generator starts.


Here is an example SOC chart:

I plan to head up and apply a firmware update on the batteries, check 
cabling etc but Im curious if anyone has encountered/solved this 
issue.


Much appreciated.
--

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates


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[RE-wrenches] IRA Domestic Content Bonus Credit

[AE Solar via RE-wrenches]

Wrenches,
I'm wondering if any of you have thoughts/experience with the additional
10% ITC that the Inflation Reduction Act allocates for "domestic content".
I'm doing some googling but not really sure what equipment (racking,
panels, inverters, BOM, etc) we would need to install in order to qualify
for this, and what the parameters are to qualify something as 'domestic
content'. If anyone has rough thoughts or information sources to share I'm
all ears...
Adam

Adam Katzman (he/him)
Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com 
(518) 567-1468
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Re: [RE-wrenches] Discover AES explosion!

[Dave Angelini Offgrid Solar via RE-wrenches]

The 6650 definitely meets all the UL's, ETLs, and UN's. Probably the 
first one to do this and since Michael said that it is a first for 
Discover, the jury is out until an FA is complete.


Good points by you Larry, but not valid for many thousands of Discover 
AES 6650s.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
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text 209 813 0060

On 2024-05-03 9:23 am, Starlight via RE-wrenches wrote:


Hi Michael,

For 11 years I've been in the Li battery business. We formerly designed 
and installed over a hundred Li battery based systems, mostly mobile 
installations but UPS and off-grid as well. Since 2018, we no longer do 
installations.  Currently we sell our own Li-ion brand with many 
thousands sold and in use. We have not had any fire or explosion 
claims.


Most Li batteries sold in the US are not UL1973 or ETL certified. Many 
batteries are very cheaply made to have the lowest price. Based on my 
experience I consider any battery not certified as potentially 
dangerous. I don't know if Discover is certified and make no statement 
about them.


An important question is what will an insurance company do if there is 
a claim and the product you install is not certified to these high 
safety standards? Worth considering.


Larry Crutcher
Starlight Power Systems

On May 3, 2024, at 8:21 AM, Michael Morningstar via RE-wrenches 
 wrote:


Two days ago, one of my clients came home to find the door of his 
powershed blown off its hinges and a smoldering Discover AES. The case 
was still intact and the entire room is coated with a fine 
graphite-like powder. The fire department was unable/unwilling to do 
anything to cool the battery down and it smoldered for a day. 199 
degrees fahrenheit after 18 hours. Discover is taking this seriously 
and their response has been great. They are in contact with the cell 
manufacturer to find a "best practices" for the clean up of the room. 
They also have said that this is a first for them (lucky me).


I'm just curious how rare or common LiFePO 4 explosions are? I've never 
heard of one in the context of residential storage. This has me pretty 
freaked out.


Michael Morningstar

Morningstar Electric Inc
PO Box 1494
Mount Shasta, CA 96067
530-921-0560
CSLB 1116835
mjmornings...@gmail.com

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Re: [RE-wrenches] Discover AES explosion!

[Dave Angelini Offgrid Solar via RE-wrenches]

Never heard of one with LFP. The cobalt and Magnesium Lions are 
definitely out there. Was this a 6650 model Michael?

Going to be fun times doing a failure analysis on this one.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-03 8:21 am, Michael Morningstar via RE-wrenches wrote:

Two days ago, one of my clients came home to find the door of his 
powershed blown off its hinges and a smoldering Discover AES. The case 
was still intact and the entire room is coated with a fine 
graphite-like powder. The fire department was unable/unwilling to do 
anything to cool the battery down and it smoldered for a day. 199 
degrees fahrenheit after 18 hours. Discover is taking this seriously 
and their response has been great. They are in contact with the cell 
manufacturer to find a "best practices" for the clean up of the room. 
They also have said that this is a first for them (lucky me).


I'm just curious how rare or common LiFePO 4 explosions are? I've never 
heard of one in the context of residential storage. This has me pretty 
freaked out.


Michael Morningstar

Morningstar Electric Inc

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

CSLB 1116835

mjmornings...@gmail.com

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Re: [RE-wrenches] Discover Xanbus SOC jumpy

[Dave Angelini Offgrid Solar via RE-wrenches]

Which model?  Do you see the same dips in voltage? Probably yes.
Are all the batts the same firmware?
The AES dashboard can be useful for finding a differing module.
No I have not seen this and only have had one bad battery that was 
replaced by AES. Yes check all wiring. Good Luck!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-05-03 6:54 am, Mac Lewis via RE-wrenches wrote:


Hello Wrenches,

I have a system that suddenly started seeing quite a few SOC drops and 
blips, causing generator starts.


Here is an example SOC chart:

I plan to head up and apply a firmware update on the batteries, check 
cabling etc but Im curious if anyone has encountered/solved this issue.


Much appreciated.
--

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates
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Re: [RE-wrenches] XW Pro Firmware 2.04 melting devices

[Dave Angelini Offgrid Solar via RE-wrenches]

To be fare, Schneider does tell you to follow the commissioning guide. 
It should be in the firmware though and should be a warning.  It is only 
an issue with older XWP BTW.


Let us know what you end up doing Kevin please.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-25 11:44 am, Kevin Pegg via RE-wrenches wrote:


Hi Chris,

Thanks. Ugh it's even more irritating to learn this is obviously a 
known issue. Yes, I tested gen in bypass mode system off and it is all 
within spec, forgot to mention that.


Kevin

From: RE-wrenches  On Behalf 
Of Chris Sparadeo via RE-wrenches

Sent: April-25-24 11:30 AM
To: RE-wrenches 
Cc: Chris Sparadeo 
Subject: Re: [RE-wrenches] XW Pro Firmware 2.04 melting devices

Hi Kevin,

Let me chime in here. Last year I experienced something nearly 
identical to what you are describing. 3 ea. XW pros in an off-grid 
application. Things were working fine, but wanted to upgrade firmware 
for a comms issue I was having with closed loop BMS and Insight. After 
the 2.04 upgrade, when the generator would charge the system, voltage 
would slowly creep up and after about 20 or so minutes, voltage would 
hit around 250 VAC with a terrible high pitched grinding noise coming 
from the inverters. This issue burned 3 of the homeowners UPS and 
several LED fixtures.


I was 99% sure this was a generator issue. After weeks of tech support 
calls, a new voltage regulator and multiple return service visits... 
and eventually one brand new generator... I had to come back to the 
homeowner with my tail between my legs and let them know that it wasn't 
generator related. Even after reverting back to the old firmware, it 
seems as though the software eventually affected the hardware. Long 
story short, homeowner was done with dealing with Schneider and we 
ended up swapping the Conext gear for 2ea. Sol-Ark 15ks and the system 
has been issue free for almost a year. Both generator run like a top.


Sort of embarrassing to re-read this, but if I can help someone avoid 
the headache I went through, it's worth it. One easy test method is to 
deenergize your entire system, turn off batteries and manually bypass 
your inverters. Let the generator power the loads directly and keep a 
close eye on your generator frequency, voltage and THD. In my case, I 
found that the generator behaved well in bypass and terribly when the 
inverters were present.


Good luck on this one!

Chris Sparadeo

On Thu, Apr 25, 2024 at 1:51 PM Ray Walters via RE-wrenches 
 wrote:


That sounds like a generator problem.  I've seen many gen sets put out 
a horrible waveform under load, when battery charging.  The waveform, 
(if you have an O-scope) usually has a spike on the front of the wave, 
and then the wave flattens significantly after.  The peak should be 169 
v on a 120 vac RMS sinewave.  I've seen it as low as 135v on crappy 
generators that are over loaded.   THD is a great thing to check, but 
also check your peak voltage, if you have a quick capture feature on 
your meter.


It also could be related to altitude, gen sets can perform badly when 
they can't get enough air.   You didn't mention gen set model, or 
whether the frequency was a solid 60 hz.  I've seen bad things happen 
when the frequency got out of spec too.  I'm guessing a bad voltage 
regulator on the gen set.


Ray Walters
Remote Solar

On 4/25/2024 11:24 AM, Kevin Pegg via RE-wrenches wrote:

Hi Wrenches,

Curious if anyone else has seen this issue.

New XW Pro off-grid system installed Dec 2023. Pretty standard config 
for us, XW Pro, 5 kW PV, 50 kWh UnigyII battery, 8 kW high quality 
diesel generator. This system ran fine all winter long - powering 
customer's big RV they were living in while the house is built, Shop, 
computer controlled outdoor wood boiler, domestic loads + 3 person 
construction crew. Gen ran daily on auto start as we don't get much sun 
Dec - Feb. No issues reported.


Couple weeks back I did a new system check up. All performing well, 
happy client. Part of that service I upgraded the XW firmware from 1.09 
to 2.04, and insight from 1.16 to 1.18. Gave the system a quick check, 
ran gen. Lots of sun now, batteries full so didn't do a long generator 
test. Yes I set the region codes for off-grid.


A week later, while I was out of town and it was not so sunny so gen 
running, client and their electrician called me in a panic. Two smoke 
detectors had literally melted, as well as several dimmable LED 
fixtures all failed. Electrician replaced the burned up devices, only 
to have the same thing repeat a few days later. Talking with them it 
was only when the generator was running there were issues. Told them to 
lock out gen and I will get there when I can.


Once back I attended site, fired up gen, and could hear the inverter 
sounding terrible during gen charging. Lights flickering bad, and I 
personally verified

Re: [RE-wrenches] XW Pro Firmware 2.04 melting devices

[Dave Angelini Offgrid Solar via RE-wrenches]

Good advice Michael!  I had one that the grid code got set by FW and 
reverting did not help. Had to start fresh.


I certainly would try the revert as it is so much easier.   There just 
is too much grid firmware being changed and it does


not need to be done offgrid.  I beg people and Schneider, like Eric to 
just have an offgrid FW as a choice


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-25 11:18 am, Michael Morningstar via RE-wrenches wrote:

Go back to V1.11. I had the same thing happen with an XWPRO and a 
Central Maine Diesel with a DynaGen controller. Frequency and Peak to 
Peak was less than perfect and the inverter, IF it would qualify the 
power, sounded like a garbage disposal. Eric B at Schneider suggested 
reverting back to the old firmware and that did the trick. Like yours, 
my client is pissed and wants me to replace the inverter because he 
thinks it was compromised. He might be right. A colleague of mine ran 
into the same issue which was fixed with old firmware.


BTW, no one in tech support, after many calls ever suggested using the 
old firmware.


On Thu, Apr 25, 2024 at 10:51 AM Ray Walters via RE-wrenches 
 wrote:


That sounds like a generator problem.  I've seen many gen sets put out 
a horrible waveform under load, when battery charging.  The waveform, 
(if you have an O-scope) usually has a spike on the front of the wave, 
and then the wave flattens significantly after.  The peak should be 169 
v on a 120 vac RMS sinewave.  I've seen it as low as 135v on crappy 
generators that are over loaded.   THD is a great thing to check, but 
also check your peak voltage, if you have a quick capture feature on 
your meter.


It also could be related to altitude, gen sets can perform badly when 
they can't get enough air.   You didn't mention gen set model, or 
whether the frequency was a solid 60 hz.  I've seen bad things happen 
when the frequency got out of spec too.  I'm guessing a bad voltage 
regulator on the gen set.


Ray Walters
Remote Solar

On 4/25/2024 11:24 AM, Kevin Pegg via RE-wrenches wrote:
Hi Wrenches,

Curious if anyone else has seen this issue.

New XW Pro off-grid system installed Dec 2023. Pretty standard config 
for us, XW Pro, 5 kW PV, 50 kWh UnigyII battery, 8 kW high quality 
diesel generator. This system ran fine all winter long - powering 
customer's big RV they were living in while the house is built, Shop, 
computer controlled outdoor wood boiler, domestic loads + 3 person 
construction crew. Gen ran daily on auto start as we don't get much sun 
Dec - Feb. No issues reported.


Couple weeks back I did a new system check up. All performing well, 
happy client. Part of that service I upgraded the XW firmware from 1.09 
to 2.04, and insight from 1.16 to 1.18. Gave the system a quick check, 
ran gen. Lots of sun now, batteries full so didn't do a long generator 
test. Yes I set the region codes for off-grid.


A week later, while I was out of town and it was not so sunny so gen 
running, client and their electrician called me in a panic. Two smoke 
detectors had literally melted, as well as several dimmable LED 
fixtures all failed. Electrician replaced the burned up devices, only 
to have the same thing repeat a few days later. Talking with them it 
was only when the generator was running there were issues. Told them to 
lock out gen and I will get there when I can.


Once back I attended site, fired up gen, and could hear the inverter 
sounding terrible during gen charging. Lights flickering bad, and I 
personally verified the smoke detectors beeping and getting warm and 
the house smelled like burned plastic. I hooked up my power quality 
analyser and could see the THD gradually building to over 36%. Gen 
voltage was at 125/250V a bit high, so adjusted that, but no change. By 
reducing the charge rate on the XW Pro to 50% was able to get the THD 
down around 12% and less light flicker. But it's still too high. Image 
attached shows THD with gen on original programing, then at reduced 
charge rate.


Have now gone from a happy client to a pissed off client threatening 
legal action for endangering their lives & a bill from the electrician. 
Ugh. Having a hard time explaining this to the client why a system 
previously working fine went sideways so badly. Old guy blames the 
"darned computer stuff" and he's not wrong with that opinion.


At another site, similar config but larger system with dual XW's that I 
upgraded to 2.04 firmware remotely few days ago and now the two 
inverters are literally fighting each other under generator charge - 
one load building to +6 kW and one (minus)6 kW.


Sure makes me reluctant to upgrade firmware on systems that are working 
fine.


Any suggestions?

Kevin

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Re: [RE-wrenches] 120 Vac and 12Vdc mixed distribution system

[Dave Angelini Offgrid Solar via RE-wrenches]

How about just buy an RV?

Seriously the reason Jason I am Leary is because of the experiences I 
have had with what I call Offgrid Squalor.


Just have to be careful especially these days of druggies, people in 
vans with no windows, ex paramilitary that went bad,

and you get the picture.

If you know the person that is the way to keep you and your loved ones 
safe. Money does talk sometimes and the lack can of it

can be a warning.

Also as mentioned, these types of situations, are what gets my 
accountant telling me if you do not charge enough,

no one will listen to your advice.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-24 10:51 am, John Blittersdorf via RE-wrenches wrote:


Jason,
Just using the converter works fine. They are considered a battery 
charger or a regulated power supply. I am currently running that way 
now with the battery cables going nowhere.  I was thinking of putting 
the battery back in the system just for triple redundancy when my 
inverter hits low battery cutoff voltage on a cold winter night and no 
fuel for the generator (or it won't start).

My Iota DLS puts out a regulated 13.4 volts up to 30 amps.

John

On Wed, Apr 24, 2024 at 8:25 AM Jason Szumlanski via RE-wrenches 
 wrote:


Ah ha! I didn't consider using a small 12V battery with a charger. I 
was thinking of just using a 120V -> 12V converter to handle the DC 
loads. Is the 12V battery really necessary, or can I just power the DC 
loads directly with a converter? If I just have lights and fans on the 
DC system, the load should be pretty minimal.


I could use a separate 12V battery, but I would like to eliminate that 
cost and complexity if possible.


And yeah, I am not considering this a money making opportunity. It's 
really just a challenge to ward off boredom from the daily grind.


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Wed, Apr 24, 2024 at 8:01 AM John Blittersdorf via RE-wrenches 
 wrote:

Jason,
I have a customer with the same situation except he already has a 12 V 
VFX inverter,  He has a sunfrost fridge and other small loads with a 
very fancy custom control board
originally set up to handle AC and DC systems.  We are adding a lot 
more solar and I was considering a dual battery system but the owner 
didn't like that idea.  We are going with and Iota 12v power supply (i 
use one at my house for my sunfrost) to power up all his DC loads and 
will be adding a large 48 V battery bank and over 4Kw of solar using a 
VFXR3648 directly in place of the 12V inverter.  He complained that the 
existing inverter would not handle all his current AC loads very well.  
My own house is fully wired for 12VDC as well as AC (lots of #10 copper 
not being used) and I have been considering getting a small LFP 12V 
battery to put back on by DC System. Then use the Iota as a secondary 
charging method with some of my large stash of older modules hooked up 
for 12V direct with C40 charge controller to recreate my original 
system just for kicks. I'm only using DC for my Sunfrost and one 
"emergency light" in the livingroom right now.  For your customer, a 
small LFP 12v battery (approximately $500 or less) to replace his old 
battery bankm and more larger ones for the new AC side with 48V 
inverter fed by his generator or through an Iota 48 V charger ifusing a 
smaller non charging inverter. Unlike Dave, I like these challenges. 
Maybe thats why I never seem to make money.!!


John Blittersdorf
offgridvermont.com [3]

On Wed, Apr 24, 2024 at 7:22 AM Jason Szumlanski via RE-wrenches 
 wrote:


Fortunately, the owner is pretty handy and is willing to live with any 
negative consequences. That said, I want to offer him something as 
simple and bulletproof as possible. I am walking into this with eyes 
wide open, for sure.


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Tue, Apr 23, 2024 at 5:47 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


Not being helpful but I  walk away from these.  It will come back to 
you.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-23 2:40 pm, Jason Szumlanski via RE-wrenches wrote:

I have an off-grid client who is working on replacing old equipment at 
a cabin. He has a lot of 12 volt distribution in the house for 
lighting, fans, and a 12 volt refrigerator. He also has 120 volt AC 
loads that run through a separate distribution panel where the only 
source is a 2000 Watt Honda genera

Re: [RE-wrenches] 120 Vac and 12Vdc mixed distribution system

[Dave Angelini Offgrid Solar via RE-wrenches]

Not being helpful but I  walk away from these.  It will come back to 
you.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-23 2:40 pm, Jason Szumlanski via RE-wrenches wrote:

I have an off-grid client who is working on replacing old equipment at 
a cabin. He has a lot of 12 volt distribution in the house for 
lighting, fans, and a 12 volt refrigerator. He also has 120 volt AC 
loads that run through a separate distribution panel where the only 
source is a 2000 Watt Honda generator. There is no inverter present. 
The batteries are charged through a Trace C40.


He currently has a few ancient solar panels and a struggling Bank of 
AGM batteries. It's time for an upgrade. I can easily supply enough PV 
power for what he needs. He currently has a 9 kilowatt hour battery 
capacity that he was happy with when the batteries operated optimally. 
Nonetheless, I would probably future-proof him with a 10 to 15 kilowatt 
hour LiPo to double or triple his usable capacity.


For convenience, obviously it would be nice to have an inverter to 
eliminate or reduce the generator requirement. But he seems committed 
to keeping his 12 volt distribution because it would be costly to 
replace fixtures. I think he would consider replacing the 12 volt 
refrigerator if he has an inverter.


He definitely wants LiPo batteries.

I don't like the idea of 12 volt direct from a battery plus connecting 
an inverter to that same battery. It is going to be hard to measure and 
monitor things.


I am thinking about using a 48 volt battery with a single phase 120 
volt inverter, getting him to change to a 120 volt refrigerator, and 
using a DC converter to give him somewhere in the range of 100 amps at 
12 volts for his existing DC lighting and fan loads. Is this a bad 
idea? Should I stick with a 12 volt battery system? He does have a tiny 
12 volt pressure pump which might be an issue for the converter. I'm 
not sure. I am a bit worried about the efficiency loss and capacity of 
DC converters and not sure how to size it.


Jason Szumlanski
Florida Solar Design Group

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Re: [RE-wrenches] speaking of batteries

[Dave Angelini Offgrid Solar via RE-wrenches]

It depends on how the BMS shares with the new BMS. A state of life 
measurement, the charge algorithm, and ? has to account for this for 
them to charge and discharge well together.


Pretty safe to say one year for many makes of battery.   Kind of like 
bussbar use in large systems,  is a way to think about this.


A good battery system will know and log this also for warranty.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-23 2:03 pm, jay via RE-wrenches wrote:


HI All

Speaking of batteries  I wonder what you all make of this.

I was reading the Fortress battery manual and it says they don't 
recommend adding new lithium batteries to older lithium batteries if 
the age is over 1 year difference.


Thoughts?

thanks
jay
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Re: [RE-wrenches] Midnite new inverter

[Dave Angelini Offgrid Solar via RE-wrenches]

I wish bob and the boyz good luck on this product. Always support North 
American companies!!


I do not have much experience in the all in ones, but the one thing I 
would look for is how it responds to imbalance
on split phase loads. The bad experiences on (won't say the Chinese name 
of inverter) was it had trouble starting a fire pump
that was 120vac. it also had trouble with large 120vac air compressors. 
Even worse, not only did it have trouble starting
the load, it shut down the inverter.  I would not want that for sure it 
the fire was raging up the hill.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-10 9:02 pm, Nick A Lucchese via RE-wrenches wrote:

I was under the same impression as David. At one point when I looked 
into it all the electrical specifications appeared identical. Lux isn't 
made by Deye? Ripping off designs within China isn't just exclusive to 
the US? Good ole inverter manufacturer family incest? Does the main 
difference only relate to AGS controls or something along those lines? 
Even that is within the Lux products, Envy and EG4? I'm not into either 
personally but was dragged into a Solark system two years ago. Doing my 
best to keep my back strong with transformer based inverters until I 
can support Midnite.


Nick

On Apr 10, 2024, at 10:00 AM, jay via RE-wrenches 
 wrote:


Hi David,

I'm going to disagree.
The fortress and EG4 are made by LUX.
It says so right on the cover.
And I've talked to Fortress about this.

Sol Ark is made by Deye

Jay

On Apr 10, 2024, at 10:12 AM, david quattro  
wrote:


I have not installed an Fortress yet, but I know they are made by Deye 
(same Chinese original manufacturer as SolArk inverters)
Here is a link for an excellent instructional by Steve Higgins @ Rolls 
-  
https://www.youtube.com/watch?v=RJqBULN9MgI=ygUWcm9sbHMgc3VycmV0dGUgaGlnZ2lucw%3D%3D
This assumes that Envy comes with the same programming shortcoming as 
SolArk, I don't know. In order to effectively use a SolArk with lead 
acid batteries you have trick it. This process takes several iterations 
checking specific gravity, which means multiple site visits stretched 
over perhaps a couple months. The Absorb setting is ineffectual, so 
Steve's solution is to employ the Equalize setting to actually achieve 
Absorption. Carefully record the settings (voltage, duration, and 
frequency) that deliver a consistent specific gravity in range.  On the 
rare occasions you actually need to equalize, you do it in person. When 
equalization is complete you return the settings back to your curated 
values.


On Wed, Apr 10, 2024 at 7:28 AM jay via RE-wrenches 
 wrote:
Can you explain what changes the eg4 18 inverter has vs the Envy as to 
LA programming?


To me the Envy has a big advantage due to it having AGS warm up/cool 
down that the EG4 does not.


Jay


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Re: [RE-wrenches] Ironridge ballasted BX on the ground

[AE Solar via RE-wrenches]

Are helical piles overkill for what you are trying to do? They can be
unscrewed when you are done so nothing is left behind.

Adam Katzman (he/him)
Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com 
(518) 567-1468



On Tue, Apr 9, 2024 at 4:17 PM Nick A Lucchese via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Greetings Wrenches,
>
> Has anyone utilized any ballasted style commercial roof rack solutions
> directly on the ground? I have an upcoming project that is only predicted
> to be left in place for around 5 years and is on land expected to be put
> back as it was found therefore concrete is out of the question. I’ve
> successfully made temporary arrays with standard rails and tilts by pinning
> 2x wood material to grade but this one calls for something lower in
> profile. Very minimal use is expected during winter months so the lower
> production of a 10 degree tilt is not an issue. The Ironridge BX seems like
> it would be ideal and have been told at conferences and distributor shows
> that it would work but figure one of you may have experience with this
> product or something more appropriate and affordable? Perhaps even go for
> the bonus of something with a 15 degree tilt if it exists? I realize weeds
> and grasses will be a factor as well but client can come up with many low
> tech solutions for that aspect. The grade is quite flat, few rocks and site
> prep can certainly improve even more before the project begins.
>
> Thanks for the wisdom and experience, Nick
>
>
>
>
>
>
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Re: [RE-wrenches] Mate3s error vs. event log

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi Kirk,

It has been a long time since I used Optics and not sure if this will 
work but here goes. A few years back Schneider came up
with a way to hard wire a tablet for a graphic shot of the system that 
the user does not have to do anything. It is on 24/7.


  I have a few older clients that need this. You would have to have 
optics working. Below is a video on how to do this with a Samsung tablet 
from Eric Bentsen.


https://www.youtube.com/watch?v=VuGcZafueic=280s

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-04-01 12:08 pm, Kirk Herander via RE-wrenches wrote:


Hello All,

I have a customer with a OB Radian GS8048A, grid tied, which logs a 
"charged parms met" message regularly. When it does, the event log LED 
on the 3s starts blinking. My customer thinks it's an error, and calls 
me. I Wish I could somehow defeat this event, and any non-error, from 
blinking the event LED for everyone's sanity.


Charged parms met is not an error, but it's crying fire in a theater to 
have this annoyance occurring. It happens several times a week. Is 
there any way to keep non-errors from flashing the LED?


OB tech support is starting to have long lead times, so I am asking 
here first. Thanks.

--

Kirk Herander / kirkh@vermont.solar

Owner|Principal, VT Solar, LLC

_Celebrating our 33st Anniversary 1991-2024!!_

dba Vermont Solar Engineering

802.559.1225
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Re: [RE-wrenches] AEE closing down operations

[Dave Angelini Offgrid Solar via RE-wrenches]

For me, it was changing policy to not taking my clients credit card with 
pre-approval and not taking their check after it cleared their bank.


Too many choices out there.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-03-28 1:46 pm, Richard Nicol via RE-wrenches wrote:

Probably too many of us stopped using them when they partnered with Sun 
Run.


Sent from my iPhone

On Mar 28, 2024, at 4:27 PM, Jeremy Coxon via RE-wrenches 
 wrote:


I'm not going to editorialize about this, other than to say - what a 
damn shame to get this note in my inbox today.  19 years I've been 
buying from them and I'm sure some you on this list for much longer.  
Talk about losing sight of the mission.


<8c86e00d-c831-fc63-debe-484f5b9af308.jpg>

Dear Valued Customer,

We hope this message finds you well. It is with a heavy heart that we 
reach out to share an important update regarding the future of AEE 
Solar. After careful consideration, we've made the difficult decision 
to wind down AEE's operations over the next 36 days, with a tentative 
closing date of May 3rd, 2024. Please be aware that this date may be 
subject to change, and we will keep you informed of any updates.


As a result, we are offering attractive clearance pricing on the 
majority of our inventory over the next month, which we encourage you 
to take advantage of.


We understand that this news might come as a surprise. Our Customer 
Support Team and Territory Sales Managers are available to address any 
questions or concerns you may have during this time. We are committed 
to transparency and will keep you informed throughout the process, 
including confirmation of the final closing date, well in advance.


If you purchase SnapNrack products from AEE, please reach out to your 
Territory Sales Manager to explore opportunities to purchase directly 
from SnapNrack going forward.


We want to express our sincere gratitude for your ongoing support. It 
has been a privilege serving you, and we wish you continued success. 
We look forward to serving you during this wind-down period.


Sincerely,

The AEE Solar Team

Jeremy Coxon NABCEP
Certified MWBE
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Re: [RE-wrenches] TPM Search

[Dave Angelini Offgrid Solar via RE-wrenches]

Spendy for the right client, Jeff and Kyle still support/sell the best 
trackers out there.

https://www.wattsun.com/

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-03-08 3:27 pm, Dave Tedeyan via RE-wrenches wrote:


Another one out there that is worth looking at is MT Solar.
Cheers,
Dave

On Fri, Mar 8, 2024, 5:51 PM Kent via RE-wrenches 
 wrote:

Jeremy,

I think the Solar RacksWorks TPMs are virtually identical to the DPW 
TPMs. My go to TPM is General Specialties [1]; They are a solid design 
and I think they are easier to assemble. They also have UL listed TPMs 
but they have top mounting clamps, and for the life of me I don't 
understand the logic of of a top mount clamp on a TPM.


Kent Osterberg
Blue Mountain Solar

On 3/8/2024 2:30 PM, Jeremy Rodriguez via RE-wrenches wrote:

With news that PLP has dropped the TPM line, what are you all 
recommending for a good mount for up to 8 modules , 400 w range.

I looked in the archives, but no luck.
I thought there was someone formerly at DPW that was making them.

Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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Re: [RE-wrenches] Schneider CSW4048 / Lithium DD5300

[Dave Angelini Offgrid Solar via RE-wrenches]

Mine work fine closed loop with Discover AES only. I doubt there is much 
support on other batteries as they all use XW pro which uses the RS 485 
protocol to close the loop with different battery brands.


To get it going open loop you would use a custom battery menu and 
probably need an external battery mon and shunt.


Ouch !  Sorry about that. Going to be a project!

With an AES : 42-48-3000, 42-48-6650 it is just plugging in xanbus and 
you are done.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-03-06 11:35 am, Kevin Pegg via RE-wrenches wrote:


Hello Wrenches,

Has anyone been able to get a CSW4048 inverter to work with battery 
type set to Lithium? When I try that it gives a F89 battery discharge 
over-current error within a few seconds. The battery is at 100% SoC and 
there was only the inverter idle loads present.


The CSW manual refers to document 976-0319-01-01 for specifics on 
Lithium. I have not been able to locate that document. Schneider tech 
support suggests try using custom battery setting, but it won't go 
lower than 56V when the battery specs request 55V max.


I specified the CSW4048 inverter for a Lithium installation not 
realizing until too late that the CSW doesn't actually offer 
closed-loop BMS integration. Using the Insight device it does interface 
to the BMS and allows the MPPT controllers to integrate for BMS derived 
SoC based charge control. Unclear if the BatLev gauge on the SCP will 
accurately display SoC values from the BMS.


Kevin

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[RE-wrenches] Fwd: Re: Older Sunny Islands charging newer Lithium's

[Dave Angelini Offgrid Solar via RE-wrenches]

I think it is the battery that is most important in closed loop, as that 
is where the cost/warranty is. I have an email out on this for another 
friend and will get back. Below is the SMA Island manual for Discover 
AES battery link. Each Inverter company has a manual from AES for their 
battery. Not sure why an Inverter make would not want to do this but...


https://discoverbattery.com/s4x_files/resources/des-lynk-2-sma-manual.pdf

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [4]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-03-01 5:06 pm, Glenn Burt wrote:

Again, just because a battery manufacturer says they are compatible 
with an inverter, does not mean the inverter manufacturer agrees, 
supports it, or will answer service calls regarding it.

Not a risk I am willing to take.

-Glenn
Sent from my 'smart'phone, so please excuse typos and spelling errors.

-- Original message--
From: Dave Angelini Offgrid Solar via RE-wrenches
Date: Fri, Mar 1, 2024 8:03 PM
To: RE-wrenches;
Cc: Dave Angelini Offgrid Solar;
Subject:Re: [RE-wrenches] Older Sunny Islands charging newer Lithium's

AES is closed loop with 7 inverter manufacturers (not Outback and I do 
not know why) including SMA. Not sure on the particulars but you should 
check them out with Lync2 interface. I just use them closed loop with 
XW and they can charge 40% faster.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/  [1]
e-mail  offgridso...@sti.net
text 209 813 0060 [2]

On 2024-03-01 4 [3]:43 pm, Glenn Burt via RE-wrenches wrote:

I recently went through this wxwrcise with an old customer of mine as 
well.
I spent a lot of time researching options. Manufacturers and 
conversations with SMA regarding their support of a conversion to Life 
storage.
Bottom line for me was that SMA does not support any lithium battery 
manufacturer available in the US.
I stuck with exact replacement batteries for those that were 
exhausted, Concorde AGM's.


-Glenn
Sent from my 'smart'phone, so please excuse typos and spelling errors.

-- Original message--
From: Peter Giroux via RE-wrenches
Date: Fri, Mar 1, 2024 3:52 PM
To: 'RE-wrenches';
Cc: pgir...@mindspring.com;
Subject:[RE-wrenches] Older Sunny Islands charging newer Lithium's

My fellow wrenchers. Have sought help from SMA but they just defer to 
owner's manuals and the older batteries listed.. I have a customer 
with two SMA 5048's, roughly 11 years old and appear to be working 
fine. Customer wants to move to LIPO batteries and keep his SMA's. Has 
anybody made these transitions and how did you do it, not sure the SMA 
programing for LIPO's works the way Lithium's need. Any and all help 
and ideas appreciated.


Thx

Peter Giroux

American Solar & Alternative Energy Solutions inc
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Re: [RE-wrenches] Older Sunny Islands charging newer Lithium's

[Dave Angelini Offgrid Solar via RE-wrenches]

AES is closed loop with 7 inverter manufacturers (not Outback and I do 
not know why) including SMA. Not sure on the particulars but you should 
check them out with Lync2 interface. I just use them closed loop with XW 
and they can charge 40% faster.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-03-01 4:43 pm, Glenn Burt via RE-wrenches wrote:

I recently went through this wxwrcise with an old customer of mine as 
well.
I spent a lot of time researching options. Manufacturers and 
conversations with SMA regarding their support of a conversion to Life 
storage.
Bottom line for me was that SMA does not support any lithium battery 
manufacturer available in the US.
I stuck with exact replacement batteries for those that were exhausted, 
Concorde AGM's.


-Glenn
Sent from my 'smart'phone, so please excuse typos and spelling errors.

-- Original message--
From: Peter Giroux via RE-wrenches
Date: Fri, Mar 1, 2024 3:52 PM
To: 'RE-wrenches';
Cc: pgir...@mindspring.com;
Subject:[RE-wrenches] Older Sunny Islands charging newer Lithium's

My fellow wrenchers. Have sought help from SMA but they just defer to 
owner's manuals and the older batteries listed.. I have a customer with 
two SMA 5048's, roughly 11 years old and appear to be working fine. 
Customer wants to move to LIPO batteries and keep his SMA's. Has 
anybody made these transitions and how did you do it, not sure the SMA 
programing for LIPO's works the way Lithium's need. Any and all help 
and ideas appreciated.


Thx

Peter Giroux

American Solar & Alternative Energy Solutions inc
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Re: [RE-wrenches] EG4 Equipment

[Dave Angelini Offgrid Solar via RE-wrenches]

You should start a new thread and not use this one. You will get more 
response! Good Luck!


---

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-20 9:42 am, Tom McCalmont via RE-wrenches wrote:

I have an LG RESU-10H Gen2 Type R battery that has discharged so far 
that the display will no longer turn on.  Apparently, there is a 
recovery process for this situation that involves using an 
LG-sanctioned charger that will properly manage the BMS throughout the 
recovery process.  I have access to the correct charger for this 
purpose.


However, I have searched the Internet and Youtube and cannot find any 
instructions that explain how to operate the charger and recover the LG 
battery.


Does anyone on this group have experience with this situation and can 
help?  Is there a service manual for the LG RESU battery that explains 
how to recharge it in this situation (again, can find nothing but the 
installation manual on the internet).


Many thanks for any insights.

Tom McCalmont

On Feb 20, 2024, at 8:59 AM, Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


Someone asked about the loss on the discover AES rackmount.

"The contactor is bi-stable so it doesn't require extra holding current 
in either state. The ON state loss is 7.49mA."


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Also below is a response from Schneider on closing the loop with EG4.

Thanks for the feedback Dave.
I visited Signature last year to offer training. The EG4 is available 
in the dropdown menu for BMS Setup in v1.18 InsightLocal firmware.

Integration with XW Pro has worked well from what I have seen.
Eric

Eric Bentsen

Auburn, WA
United States

[3]

[4]

Download mySchneider app [4]

24/7 support. Mobile catalog. Access to expert help.

[5]  [6]  [7]  [8]  [9]  [10]  [11]

Genera

-

Dave Angelini Offgrid Solar

"we go where powerlines don't"

[1]https://offgridsolar1.com/ [2]  [1]

e-mail  offgridso...@sti.net

text 209 813 0060

 Original Message 

Subject:
Re: [RE-wrenches] EG4 Equipment

Date:
2024-02-16 3:11 pm

From:
Dave Angelini Offgrid Solar via RE-wrenches 



To:
RE-wrenches 

Cc:
Dave Angelini Offgrid Solar 

Reply-To:
offgridso...@sti.net, RE-wrenches 

Howie, I think you should also look again at the Discover rack mount 
system in the link below. Nice 75 year old company that made it's name 
on Locomotive batteries. Their prices are way down around 14 K for 
30Kwh with heaters. If you have not looked at Lynk2 their gateway 
closed loop into SMA, Schneider, Solark, Morningstar and a few others 
you should.


The only problems I have with Schneider are pretty easy and get 
resolved because I only use them and take all of the training. Conext 
Insight is a home run for my clients. Schneider also hired me to test 
their first closed loop system with LG back in 2017 and it still is 
working fine.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount 
[12]


Dave Angelini Offgrid Solar

"we go where powerlines don't"

[1]https://offgridsolar1.com/ [2]  [1]

e-mail  offgridso...@sti.net

text 209 813 0060

On 2024-02-16 2:02 pm, Michael Morningstar via RE-wrenches wrote:

We gave EG4 and Signature another chance after promises from their 
dealer oriented support department that we could expect better service 
from them. We had an EG4 BMS crap out a couple months ago after only a 
few months. Lots and lots of communications with Signature and we still 
don't have a BMS or replacement battery. It's been a shit show with 
them. I think we are going to remove them and install 3rd party BMS's 
and find some use for them. Maybe donate them. We've only had luck with 
Schneider/Discover pairings in closed loop. A large system we did with 
Sol-Arks never really worked in Closed loop, despite Discover coming to 
the site. Most likely it's a Sol-Ark issue, but we've reached Sol-Arks 
technical expertise limits. Even with Schneider/AES, there have been 
some issues that are causing me to re-consider Li for offgrid. I just 
had a conversation this morning with a long time off-grid pro and he 
said the same thing. It used to be, we'd install a wet lead acid bank 
and then ten years would pass before hearing from the client when it 
was time for another bank. Sometimes fifteen years. Our call backs with 
systems over the last ten years, first with a decline in equipment 
quality and then the switch to Li are costing us too much money and 
causing a lot of heartburn for our clients. Rant Over


On Fri, Feb 16, 2024 at 12:57 PM Howie Michaelson via RE-wrenches 
 wrote:


Hi All,

I've searched the archives for info pertaining to EG4 inverters and 
batteries. The comments have been mostly positive.  I have stayed away 
from EG4 until now in part, for the reason the Michael Morningstar 
suggest

Re: [RE-wrenches] EG4 Equipment

[Dave Angelini Offgrid Solar via RE-wrenches]

The LG charger probably generates the Heartbeat signal you need to fool 
the contactor to be on for charging.


I Think! My experience is with the 48V RESU 10 and not the  RESU 10H 
that is a 400vdc battery.


There were a few people on here with 10H so hang on.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-20 9:42 am, Tom McCalmont via RE-wrenches wrote:

I have an LG RESU-10H Gen2 Type R battery that has discharged so far 
that the display will no longer turn on.  Apparently, there is a 
recovery process for this situation that involves using an 
LG-sanctioned charger that will properly manage the BMS throughout the 
recovery process.  I have access to the correct charger for this 
purpose.


However, I have searched the Internet and Youtube and cannot find any 
instructions that explain how to operate the charger and recover the LG 
battery.


Does anyone on this group have experience with this situation and can 
help?  Is there a service manual for the LG RESU battery that explains 
how to recharge it in this situation (again, can find nothing but the 
installation manual on the internet).


Many thanks for any insights.

Tom McCalmont

On Feb 20, 2024, at 8:59 AM, Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


Someone asked about the loss on the discover AES rackmount.

"The contactor is bi-stable so it doesn't require extra holding current 
in either state. The ON state loss is 7.49mA."


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Also below is a response from Schneider on closing the loop with EG4.

Thanks for the feedback Dave.
I visited Signature last year to offer training. The EG4 is available 
in the dropdown menu for BMS Setup in v1.18 InsightLocal firmware.

Integration with XW Pro has worked well from what I have seen.
Eric

Eric Bentsen

Auburn, WA
United States

[3]

[4]

Download mySchneider app [4]

24/7 support. Mobile catalog. Access to expert help.

[5]  [6]  [7]  [8]  [9]  [10]  [11]

Genera

-

Dave Angelini Offgrid Solar

"we go where powerlines don't"

[1]https://offgridsolar1.com/ [2]  [1]

e-mail  offgridso...@sti.net

text 209 813 0060

 Original Message 

Subject:
Re: [RE-wrenches] EG4 Equipment

Date:
2024-02-16 3:11 pm

From:
Dave Angelini Offgrid Solar via RE-wrenches 



To:
RE-wrenches 

Cc:
Dave Angelini Offgrid Solar 

Reply-To:
offgridso...@sti.net, RE-wrenches 

Howie, I think you should also look again at the Discover rack mount 
system in the link below. Nice 75 year old company that made it's name 
on Locomotive batteries. Their prices are way down around 14 K for 
30Kwh with heaters. If you have not looked at Lynk2 their gateway 
closed loop into SMA, Schneider, Solark, Morningstar and a few others 
you should.


The only problems I have with Schneider are pretty easy and get 
resolved because I only use them and take all of the training. Conext 
Insight is a home run for my clients. Schneider also hired me to test 
their first closed loop system with LG back in 2017 and it still is 
working fine.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount 
[12]


Dave Angelini Offgrid Solar

"we go where powerlines don't"

[1]https://offgridsolar1.com/ [2]  [1]

e-mail  offgridso...@sti.net

text 209 813 0060

On 2024-02-16 2:02 pm, Michael Morningstar via RE-wrenches wrote:

We gave EG4 and Signature another chance after promises from their 
dealer oriented support department that we could expect better service 
from them. We had an EG4 BMS crap out a couple months ago after only a 
few months. Lots and lots of communications with Signature and we still 
don't have a BMS or replacement battery. It's been a shit show with 
them. I think we are going to remove them and install 3rd party BMS's 
and find some use for them. Maybe donate them. We've only had luck with 
Schneider/Discover pairings in closed loop. A large system we did with 
Sol-Arks never really worked in Closed loop, despite Discover coming to 
the site. Most likely it's a Sol-Ark issue, but we've reached Sol-Arks 
technical expertise limits. Even with Schneider/AES, there have been 
some issues that are causing me to re-consider Li for offgrid. I just 
had a conversation this morning with a long time off-grid pro and he 
said the same thing. It used to be, we'd install a wet lead acid bank 
and then ten years would pass before hearing from the client when it 
was time for another bank. Sometimes fifteen years. Our call backs with 
systems over the last ten years, first with a decline in equipment 
quality and then the switch to Li are costing us too much money and 
causing a lot of heartburn for our clients. Rant Over


On Fri, Feb 16, 2024 at 12:57 PM Howie Michaelson via RE-wrenches 
 wrote:


Hi All,

I've searched the archives for info pertaining to EG

Re: [RE-wrenches] EG4 Equipment

[Dave Angelini Offgrid Solar via RE-wrenches]

Someone asked about the loss on the discover AES rackmount.

"The contactor is bi-stable so it doesn't require extra holding current 
in either state. The ON state loss is 7.49mA."


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Also below is a response from Schneider on closing the loop with EG4.

Thanks for the feedback Dave.

I visited Signature last year to offer training. The EG4 is available in 
the dropdown menu for BMS Setup in v1.18 InsightLocal firmware.


Integration with XW Pro has worked well from what I have seen.

Eric

Eric Bentsen

Auburn, WA
United States

 [9]

 [10]

Download mySchneider app [10]

24/7 support. Mobile catalog. Access to expert help.

 [11]  [12]  [13]  [14]  [15]  [16]  [17]

Genera

-

Dave Angelini Offgrid Solar

"we go where powerlines don't"

   [7]https://offgridsolar1.com/ [8]  [7]

e-mail  offgridso...@sti.net

text 209 813 0060

 Original Message 

Subject:

Re: [RE-wrenches] EG4 Equipment

Date:

2024-02-16 3:11 pm

From:

Dave Angelini Offgrid Solar via RE-wrenches 



To:

RE-wrenches 

Cc:

Dave Angelini Offgrid Solar 

Reply-To:

offgridso...@sti.net, RE-wrenches 

Howie, I think you should also look again at the Discover rack mount 
system in the link below. Nice 75 year old company that made it's name 
on Locomotive batteries. Their prices are way down around 14 K for 30Kwh 
with heaters. If you have not looked at Lynk2 their gateway closed loop 
into SMA, Schneider, Solark, Morningstar and a few others you should.


The only problems I have with Schneider are pretty easy and get resolved 
because I only use them and take all of the training. Conext Insight is 
a home run for my clients. Schneider also hired me to test their first 
closed loop system with LG back in 2017 and it still is working fine.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount 
[18]


Dave Angelini Offgrid Solar

"we go where powerlines don't"

   [7]https://offgridsolar1.com/ [8]  [7]

e-mail  offgridso...@sti.net

text 209 813 0060

On 2024-02-16 2:02 pm, Michael Morningstar via RE-wrenches wrote:

We gave EG4 and Signature another chance after promises from their 
dealer oriented support department that we could expect better service 
from them. We had an EG4 BMS crap out a couple months ago after only a 
few months. Lots and lots of communications with Signature and we still 
don't have a BMS or replacement battery. It's been a shit show with 
them. I think we are going to remove them and install 3rd party BMS's 
and find some use for them. Maybe donate them. We've only had luck with 
Schneider/Discover pairings in closed loop. A large system we did with 
Sol-Arks never really worked in Closed loop, despite Discover coming to 
the site. Most likely it's a Sol-Ark issue, but we've reached Sol-Arks 
technical expertise limits. Even with Schneider/AES, there have been 
some issues that are causing me to re-consider Li for offgrid. I just 
had a conversation this morning with a long time off-grid pro and he 
said the same thing. It used to be, we'd install a wet lead acid bank 
and then ten years would pass before hearing from the client when it 
was time for another bank. Sometimes fifteen years. Our call backs with 
systems over the last ten years, first with a decline in equipment 
quality and then the switch to Li are costing us too much money and 
causing a lot of heartburn for our clients. Rant Over


On Fri, Feb 16, 2024 at 12:57 PM Howie Michaelson via RE-wrenches 
 wrote:



Hi All,

I've searched the archives for info pertaining to EG4 inverters and 
batteries. The comments have been mostly positive.  I have stayed away 
from EG4 until now in part, for the reason the Michael Morningstar 
suggested last June - that is, they seemed very oriented to the DIY 
market and not real serious contenders in the lasting marketplace. 
However, I was at RE+ Boston this week and was quite surprised to see 
that the EG4 18k inverter is, for all I could tell, identical to the 
Fortress Envy 12k, in both physical layout as well as menu structure. 
I have very limited experience with the Envy (having just installed my 
1st one last week, in order to compare it to the Sol-Ark 15). I don't 
have any thoughts about it yet, except that the font on the screen is 
quite small and the opening screen is not as intuitive as the Sol-Ark, 
but that might just take familiarizing myself more to the Envy (and/or 
the EG4).


My question is, for folks who have had either the Envy or the EG4 
inverters installed for a decent period of time, what is your current 
take on their functionality, durability, and for the EG4, the quality 
of support? Also, what experience have folks had similarly with the 
EG4 LLI batteries? I'm not unhappy with the Sol-Ark or in general the 
Fortress eVault Max battery, but there are some attractive things 
about the Envy and potentially the EG4 18k, and the pr

Re: [RE-wrenches] EG4 Equipment

[Dave Angelini Offgrid Solar via RE-wrenches]

Surrette and Full river AGM's  Been berry berry good to me!

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-17 9:43 am, Drake Chamberlin via RE-wrenches wrote:

I fully agree that off grid solar has taken a major downturn. Once the 
equipment became software based, the reliability dropped. Sure, there 
are nice features available with these cyber enhanced systems, but the 
cost in reliability makes being energy independent off the grid hard to 
accomplish.


There are good reports on Samlex products. Has anyone tried their new 
120/240 split phase units? Are they stack-able yet?


As far as batteries go, I'm pretty much in the Lead Head club, 
especially for off grid. That being said, lead acid batteries, 
especially AGMs have gotten really expensive and it seems the quality 
isn't what it used to be.


What is the best AGM battery these days?

Thanks,

Drake

---

On 2024-02-16 17:02, Michael Morningstar via RE-wrenches wrote:

We gave EG4 and Signature another chance after promises from their 
dealer oriented support department that we could expect better service 
from them. We had an EG4 BMS crap out a couple months ago after only a 
few months. Lots and lots of communications with Signature and we still 
don't have a BMS or replacement battery. It's been a shit show with 
them. I think we are going to remove them and install 3rd party BMS's 
and find some use for them. Maybe donate them. We've only had luck with 
Schneider/Discover pairings in closed loop. A large system we did with 
Sol-Arks never really worked in Closed loop, despite Discover coming to 
the site. Most likely it's a Sol-Ark issue, but we've reached Sol-Arks 
technical expertise limits. Even with Schneider/AES, there have been 
some issues that are causing me to re-consider Li for offgrid. I just 
had a conversation this morning with a long time off-grid pro and he 
said the same thing. It used to be, we'd install a wet lead acid bank 
and then ten years would pass before hearing from the client when it 
was time for another bank. Sometimes fifteen years. Our call backs with 
systems over the last ten years, first with a decline in equipment 
quality and then the switch to Li are costing us too much money and 
causing a lot of heartburn for our clients. Rant Over


On Fri, Feb 16, 2024 at 12:57 PM Howie Michaelson via RE-wrenches 
 wrote:


Hi All,

I've searched the archives for info pertaining to EG4 inverters and 
batteries. The comments have been mostly positive.  I have stayed away 
from EG4 until now in part, for the reason the Michael Morningstar 
suggested last June - that is, they seemed very oriented to the DIY 
market and not real serious contenders in the lasting marketplace. 
However, I was at RE+ Boston this week and was quite surprised to see 
that the EG4 18k inverter is, for all I could tell, identical to the 
Fortress Envy 12k, in both physical layout as well as menu structure. I 
have very limited experience with the Envy (having just installed my 
1st one last week, in order to compare it to the Sol-Ark 15). I don't 
have any thoughts about it yet, except that the font on the screen is 
quite small and the opening screen is not as intuitive as the Sol-Ark, 
but that might just take familiarizing myself more to the Envy (and/or 
the EG4).


My question is, for folks who have had either the Envy or the EG4 
inverters installed for a decent period of time, what is your current 
take on their functionality, durability, and for the EG4, the quality 
of support? Also, what experience have folks had similarly with the EG4 
LLI batteries? I'm not unhappy with the Sol-Ark or in general the 
Fortress eVault Max battery, but there are some attractive things about 
the Envy and potentially the EG4 18k, and the price point and seemingly 
smart configuration of the EG4 LLI batteries are certainly 
eye-catching.


I'm also currently starting to lean toward using Lithium batteries and 
inverters from the same manufacturer, as I'm growing weary of the 
mismatching firmware updates that are causing somewhat frequent issues 
between the 2 components. Although the inverter/battery integrated 
units (i.e. Sonen, Tesla, etc.) don't seem ideal, since the market is 
so volatile at the moment. If one component fails, I'd like the option 
to replace it with a different brand without having to replace the 
other component as well. Using the same manu doesn't necessarily cut 
down the problems, but it certainly will help in the troubleshooting 
process by hopefully having less of the "not my problem" or "we haven't 
seen that problem" responses from tech support.


I really don't like making forays into bleeding-edge technologies, so 
I'm hoping to gain some experienced insight.


Thanks,

Howie Michaelson

Sun Catcher ___
List sponsored by Redwood Alliance

Re: [RE-wrenches] EG4 Equipment

[Dave Angelini Offgrid Solar via RE-wrenches]

Howie, I think you should also look again at the Discover rack mount 
system in the link below. Nice 75 year old company that made it's name 
on Locomotive batteries. Their prices are way down around 14 K for 30Kwh 
with heaters. If you have not looked at Lynk2 their gateway closed loop 
into SMA, Schneider, Solark, Morningstar and a few others you should.


The only problems I have with Schneider are pretty easy and get resolved 
because I only use them and take all of the training. Conext Insight is 
a home run for my clients. Schneider also hired me to test their first 
closed loop system with LG back in 2017 and it still is working fine.


https://discoverlithium.com/products/lithium-batteries/aes-rackmount

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-16 2:02 pm, Michael Morningstar via RE-wrenches wrote:

We gave EG4 and Signature another chance after promises from their 
dealer oriented support department that we could expect better service 
from them. We had an EG4 BMS crap out a couple months ago after only a 
few months. Lots and lots of communications with Signature and we still 
don't have a BMS or replacement battery. It's been a shit show with 
them. I think we are going to remove them and install 3rd party BMS's 
and find some use for them. Maybe donate them. We've only had luck with 
Schneider/Discover pairings in closed loop. A large system we did with 
Sol-Arks never really worked in Closed loop, despite Discover coming to 
the site. Most likely it's a Sol-Ark issue, but we've reached Sol-Arks 
technical expertise limits. Even with Schneider/AES, there have been 
some issues that are causing me to re-consider Li for offgrid. I just 
had a conversation this morning with a long time off-grid pro and he 
said the same thing. It used to be, we'd install a wet lead acid bank 
and then ten years would pass before hearing from the client when it 
was time for another bank. Sometimes fifteen years. Our call backs with 
systems over the last ten years, first with a decline in equipment 
quality and then the switch to Li are costing us too much money and 
causing a lot of heartburn for our clients. Rant Over


On Fri, Feb 16, 2024 at 12:57 PM Howie Michaelson via RE-wrenches 
 wrote:



Hi All,

I've searched the archives for info pertaining to EG4 inverters and 
batteries. The comments have been mostly positive.  I have stayed away 
from EG4 until now in part, for the reason the Michael Morningstar 
suggested last June - that is, they seemed very oriented to the DIY 
market and not real serious contenders in the lasting marketplace. 
However, I was at RE+ Boston this week and was quite surprised to see 
that the EG4 18k inverter is, for all I could tell, identical to the 
Fortress Envy 12k, in both physical layout as well as menu structure. 
I have very limited experience with the Envy (having just installed my 
1st one last week, in order to compare it to the Sol-Ark 15). I don't 
have any thoughts about it yet, except that the font on the screen is 
quite small and the opening screen is not as intuitive as the Sol-Ark, 
but that might just take familiarizing myself more to the Envy (and/or 
the EG4).


My question is, for folks who have had either the Envy or the EG4 
inverters installed for a decent period of time, what is your current 
take on their functionality, durability, and for the EG4, the quality 
of support? Also, what experience have folks had similarly with the 
EG4 LLI batteries? I'm not unhappy with the Sol-Ark or in general the 
Fortress eVault Max battery, but there are some attractive things 
about the Envy and potentially the EG4 18k, and the price point and 
seemingly smart configuration of the EG4 LLI batteries are certainly 
eye-catching.


I'm also currently starting to lean toward using Lithium batteries and 
inverters from the same manufacturer, as I'm growing weary of the 
mismatching firmware updates that are causing somewhat frequent issues 
between the 2 components. Although the inverter/battery integrated 
units (i.e. Sonen, Tesla, etc.) don't seem ideal, since the market is 
so volatile at the moment. If one component fails, I'd like the option 
to replace it with a different brand without having to replace the 
other component as well. Using the same manu doesn't necessarily cut 
down the problems, but it certainly will help in the troubleshooting 
process by hopefully having less of the "not my problem" or "we 
haven't seen that problem" responses from tech support.


I really don't like making forays into bleeding-edge technologies, so 
I'm hoping to gain some experienced insight.


Thanks,

Howie Michaelson

Sun Catcher ___
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: RE-wrenches@lists.re-wrenches.org

Change lists

Re: [RE-wrenches] Fortress

[Dave Angelini Offgrid Solar via RE-wrenches]

So this is all open loop with outback correct?  I can't even get into 
Simplyphi. website today. Maybe the windows update...


The battery below was suppose to be networkable but it looks like not 
much progress.


* Model: AmpliPHI 3.8kWh
 	* Inverter compatibility: Sol-Ark, SMA (coming soon), Schneider 
Electric (coming soon)


 A question, it looks like Outback is not closed loop with any battery 
company. I hope I am wrong!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-15 8:57 am, Darryl Thayer via RE-wrenches wrote:

Is it similar to my problem with my Simplify batteries? Over time, the 
BMS did not allow all cells to charge the same. To correct this, I had 
to charge each battery separately, and after this, they stayed 
equivalent for more years.


On Thu, Feb 15, 2024 at 7:50 AM Jay via RE-wrenches 
 wrote:


Hi william

Could you share the equipment used and what issues you had?

Thx
Jay

On Feb 14, 2024, at 3:13 PM, William Miller via RE-wrenches 
 wrote:


Peter:

I have only purchased one set of Fortress batteries.  There have been 
issues, I am sure many of them self-induced.  Fortress has been overall 
very responsive.  There have been a few days where I could not get 
through to technical support but with persistence I always manage.  
Fortress has offered truck-roll compensation at a reasonable rate as 
well.


William Miller

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [1]

CA Lic. 773985

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
Behalf Of Peter Giroux via RE-wrenches

Sent: Wednesday, February 14, 2024 6:47 AM
To: 'RE-wrenches'
Cc: pgir...@mindspring.com
Subject: [RE-wrenches] Fortress

Good morning my fellow wrenchers. While I see the comments on SunPower 
and the challenges, are any of you having similar issues with Fortress? 
Their bms boards from the early classics have not held up and even 
after replacement there are still issues ( parallel batteries and stand 
alone not showing accurate #'s,  ). While support has been, well 
supportive, the issues persist. Any thoughts or fixes you have come up 
with?? I just had a customer unplug the coms cable from their sol-ark 
and bring their readings to volts VS %% and it is starting to work a 
bit better. Any and all help or ideas appreciated.


Thx
peter Giroux

American Solar

Norcross Ga ___
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Links:
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[2] http://members.sti.net/offgridsolar/
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Re: [RE-wrenches] Fortress

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi Peter,

I was called in to consult on a new existing 4x Fortress E flex / 
Schneider XWP system that worked fine open loop but never communicated 
with the Schneider gateway. Fortress to their credit sent a tech out and 
he did Fortress FW and a PC exchange. Still not working.


The owner was upset and replaced with Discover AES 42-48-6650. There was 
zero configuration to do which surprised the installer. Worked fine 
closed loop from the start.


I do not like to be negative about companies in North America and I 
still think Fortress could have fixed this with more time.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-02-14 6:46 am, Peter Giroux via RE-wrenches wrote:

Good morning my fellow wrenchers. While I see the comments on SunPower 
and the challenges, are any of you having similar issues with Fortress? 
Their bms boards from the early classics have not held up and even 
after replacement there are still issues ( parallel batteries and stand 
alone not showing accurate #'s,  ). While support has been, well 
supportive, the issues persist. Any thoughts or fixes you have come up 
with?? I just had a customer unplug the coms cable from their sol-ark 
and bring their readings to volts VS %% and it is starting to work a 
bit better. Any and all help or ideas appreciated.


Thx
peter Giroux

American Solar

Norcross Ga
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Re: [RE-wrenches] No payment for Sunpower warranty service vendor credits?

[Solar Energy Solutions via RE-wrenches]

Hi Daniel, after three months of back-and-forth we have finally received a replacement panel from SunPower and getting ready to affect repair. Are you saying we are going to have a hard time getting compensated for our services?Andrew KoyaanisqatsiPresidentSolar Energy Solutions, Inc.The BRIGHT CHOICESince 1987, helping you and your Portland neighbors move towards an environmentally sustainable future.503-238-4502www.SolarEnergyOregon.comOn Feb 13, 2024, at 2:38 PM, Daniel via RE-wrenches  wrote:If you are doing warranty work for Sunpower for non leased systems, you may be like many other solar companies that are not getting vendor service payments for the work you are doing.  If this sounds familiar to an experience you have or are having please contact me.  I am trying to aggregate those that are having this experience and see if we can get a larger collective force together and see if we can move them for payments before they are extinct.  ThanksDanielDaniel Tittmann Greenwiredwww.greenwired.comdan...@greenwired.com707-206-5088 ___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org___
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Re: [RE-wrenches] Temperature coefficient versus Power

[Dave Angelini Offgrid Solar via RE-wrenches]

10+ years ago I thought that Sunpower Solar wrote the best info. Their 
module technology was superior and the classic 327 module output was 
amazing in high temperature and also in cloudy skies. They were the 
first to have really good warranty for both workmanship and output over 
time.


I have little to say about the current crop of modules.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-01-30 6:02 am, Jason Szumlanski via RE-wrenches wrote:

I'm having a hard time finding concrete information on the relationship 
of temperature coefficient and power output. Solar panel temperature 
coefficients are determined at Pmax.


My question is, at lower irradiance levels, say where power output 
would be 50% of Pmax at 25C, would the temperature coefficient be 
greater, less, or the same?


Jason Szumlanski
Florida Solar Design Group
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Re: [RE-wrenches] SMA String inverters

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi August,

I was told Tesla has LFP battery now.  True?  Thanks !

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-01-10 3:25 pm, August Goers via RE-wrenches wrote:


We're starting to install the Tesla Solar Inverter with good results:

https://www.tesla.com/support/energy/solar-inverter/tesla-solar-inverter

It is going to be a tough product for others to compete with - the 
price point is low and features are high. 4 x MPPTs with low tracking 
voltage (60 VDC), built in consumption monitoring, one SKU to handle 
7.6 kW, 5.7 kW, 5 kW, 3.8 kW AC rating via software programming, built 
in ethernet/WiFi/cellular and the rapid shutdown can meet the NEC 
hazard control system requirements meaning that only one Mid-Circuit 
Interrupter (MCI) is needed for every three modules. All in all, a 
solid offering with lots of design flexibility. Time will tell how 
reliable they are.


Best, August

On Wed, Jan 10, 2024 at 10:04 AM William Miller via RE-wrenches 
 wrote:



Jeremy:

We generally avoided using the 41 series inverter for reasons 
specified here [1].  If you find a new string inverter in the SMA 
lineup, you might want to check to see if they have resolved some of 
the shortcomings.


I have not had reason to use string inverters because, other than 
Solar Edge, they do not offer intrinsic rapid shutdown.  Careful 
reading of the NEC indicates that even ground mount arrays require RSS 
unless the PV feeders run to a building with the sole use being to 
house solar equipment.  Having said that, I would imagine that if an 
inverter were mounted on the ground-mount rack, the requirement for 
RSS could be avoided.


William Miller

Miller Solar

17395 Oak Road, Atascadero, CA 93422

805-438-5600

www.millersolar.com [2]

CA Lic. 773985

-Original Message-
From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] 
On Behalf Of Jeremy Rodriguez via RE-wrenches

Sent: Monday, January 8, 2024 1:44 PM
To: re-wrenches@lists.re-wrenches.org
Cc: Jeremy Rodriguez
Subject: [RE-wrenches] SMA String inverters

What are you wrenches that used to install the SB-41 units 
sourcing now? Looks like there is a new model on their website


Jeremy Rodriguez

Solar Installation / Design

All Solar, Inc.

1453 M St.

Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

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Links:
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[1] 
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[2] http://www.millersolar.com
[3] http://members.sti.net/offgridsolar/
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There are

Re: [RE-wrenches] USDA Rural Development fund

[AE Solar via RE-wrenches]

We were able to access that a few years ago for a brewery project and were
granted the money. I used a grant writer who works with solar companies
specifically on accessing that funding. Their intake online walked you
through what you may or may not be eligible for.  They were great to work
with and I felt the price was worth it. I could dig up their contact info
if that’s of interest.

On Tue, Jan 9, 2024 at 11:57 AM Christopher Warfel via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> Hi Daniel, it is a lot of paperwork, but if they pay you for your time,
> and they should, I think it is worth it.  Importantly, you need to speak
> with the regional office administering this fund and make sure you know
> what they are requiring. Some of them use a subcontractor to help, but you
> do NOT need to work with the sub. I had a very bad experience with one of
> them in New England who was not very knowledgeable about the technology,
> and was impossible to work with.
>
> I do know of a lot of oyster farms here who I turned on to this and used
> it to power their processing facilities.
>
>
> Chris
>
>
> On 1/3/2024 12:28 PM, Dana Orzel via RE-wrenches wrote:
>
> Hey all! A happy, Safe & Prosperous New Year to You All!
>
>
>
> I have a brewery that is wanting to do a grid tie system - 2 meters; 1 is
> split phase & 1 is 3 phase & the initial request was about USDA Rural
> Development funding.
>
> I have no experience with this.
>
> Any suggestions?
>
> Has anyone applied for this?
>
> Experience?
>
> I have heard it is a pile of paperwork to say the least.
>
>
>
> Thanks
>
>
>
> _
>
> Dana OrzelGREAT SOLAR WORKS!
>
> C – 208.721.7003  E – d...@solarwork.com
>
> W - www. greatsolarworks.com www.solarwork.com
>
> *“Responsible Technologies for Responsible People since 1988!”*
>
>
>
> ___
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> --
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>  ENTECH Engineering, Inc.
> PO Box 871, Block Island, RI 02807
> 401-466-8978
> <http://entech-engineering.com>
>
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Re: [RE-wrenches] SMA String inverters

[AE Solar via RE-wrenches]

We haven’t used the -41s for just over a year, because they aren’t UL1741SB
compliant (which became required here in NY last January). Additionally,
the last time we did use the -41s we discovered (upon receiving the units)
that they weren’t WiFi compatible anymore (due to some parts shortages) and
that the inverters had to be hardwired in order to access monitoring.  The
new inverter line that shows up on the SMA website is UL1741SB compliant,
but the last time I checked with my distributor (a few weeks ago) they
still weren’t able to get access to them.

On Mon, Jan 8, 2024 at 4:44 PM Jeremy Rodriguez via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:

> What are you wrenches that used to install the SB-41 units sourcing
> now? Looks like there is a new model on their website
>
>
> Jeremy Rodriguez
> Solar Installation / Design
> All Solar, Inc.
> 1453 M St.
> Penrose Colorado 81240
>
> Sent by Jeremy's iPhone. Sorry for typos and shorthand.
> ___
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Re: [RE-wrenches] Schneider Rapid shutdown with 2023 compliance

[Dave Angelini Offgrid Solar via RE-wrenches]

You said that very nicely Kevin !

If this were for offgrid, I would make the inspector happy and do even 
more than Kevin suggests after he is gone. 


Link to RS shutdown
https://www.youtube.com/watch?v=wMoVXq4m1wk=10s

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2024-01-02 10:24 am, Kevin Pegg via RE-wrenches wrote:


Hi Mac,

I've just gone through a couple installations with a similar situation.

The hardware you list does work as intended. I had to go through three 
different suppliers to get all the components.


One thing that I didn't find clear in the MPPT RS documentation is when 
a shutdown is initiated, it shuts __everything__ on the Xanbus network 
down. All devices go into standby mode. Gen shuts down if running. 
Power is off. Not just the PV via Tigo modules. Had to develop client 
instruction sheet as to how to power up after a shutdown.


On one hand, I can see why a single point shutdown is desired outcome. 
But it concerns me that it's vulnerable to abuse. If the whole system 
shutdown is not desired, the Xanbus connection can be omitted and then 
RS will be limited to the PV modules only.


Kevin

From: RE-wrenches  On Behalf 
Of Mac Lewis via RE-wrenches

Sent: January-01-24 12:00 PM
To: RE-wrenches 
Cc: Mac Lewis 
Subject: [RE-wrenches] Schneider Rapid shutdown with 2023 compliance

Hello Wrenches,

I need to retrofit a Schneider XW+ system with a rapid shutdown system. 
 The owner purchased this equipment about 4-5 years ago but is trying 
to get it past a very intense inspector.


To me, it looks relatively straightforward to get NEC 2023 rapid 
shutdown compliant using Tigo TS4AF, and adding Schneider's MPPT 
Disconnect RS and external rapid shutdown initiator.  It's a little 
strange though because it has 2017 NEC compliant all over the 
documentation but I believe we are good through NEC 2023 because 
shutdown occurs at a module level and the Disconnect RS can take care 
of arc-fault monitoring.


Does anyone have any documentation for the MPPT Disconnect RS that 
doesn't specifically call out (only) NEC 2017 compliant?


Or if this is not a good approach and is not reliable, I would 
appreciate your input as well.


Cheers!

--

Mac Lewis

"Yo solo sé que no sé nada." -Sócrates
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Re: [RE-wrenches] OpticsRE

[Dave Angelini Offgrid Solar via RE-wrenches]

Did you try it on another ISP?  I sometimes hear this about Schneider 
Insight and it never is down. It always is the ISP or cell.  Good Luck


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-12-18 3:16 pm, Foxfire Energy via RE-wrenches wrote:

Anyone know what's going on with OpticsRE? Their sites been down since 
last Friday.  TIA


Sent from my iPhone
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Re: [RE-wrenches] Enphase Gateway causing lamp to flicker

[Solar Energy Solutions via RE-wrenches]

Hi Adam, We have a clause in all of our contracts that reads “prices not include any un-anticipatable events”While I can understand the need to placate clients, the days of solar martyrdom needs to end! Is that line replacing a $10 lamp with a $40 lamp? That is up to you. Keep up the good work!Andrew KoyaanisqatsiPresidentSolar Energy Solutions, Inc.The BRIGHT CHOICESince 1987, helping you and your Portland neighbors move towards an environmentally sustainable future.503-238-4502www.SolarEnergyOregon.comOn Dec 11, 2023, at 8:43 AM, William Miller via RE-wrenches  wrote:Adam: I have experienced the same scenario some years ago with an oval gateway.  We tried some filters but they did not help. We did not have an isolated load center for the gateway.  I think the client bought a new lamp without touch control. You need to connect the gateway and inverter to an isolated load center so you can put a filter on the feeder to that subpanel. William From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of AE Solar via RE-wrenchesSent: Monday, December 11, 2023 6:56 AMTo: RE-wrenchesCc: AE SolarSubject: [RE-wrenches] Enphase Gateway causing lamp to flicker WrenchesWe have a project where the homeowner has some of those bedside lamps where you touch them to turn them on/off/dim (rather than having a switch). It seems like when the Enphase Gateway is powered up it causes the lights to freak out. Once we flip the breaker to the Gateway off the lamp operates as normalZ Interestingly, with another load (homeowner was using a dehumidifier) plugged into the circuit it seems to stabilize the lights. We isolated the problem to the Gateway specifically (ie having PV breakers on/off doesn’t make a difference). It’s a supply side connection. The house is small but we tried the lamp in multiple parts of the house and it happens everywhere.  Enphase doesn’t have any ideas. Anyone have this happen to them? I think we might just need to buy them some new lamps, but I’m also interested to understand what is happening. These are just some cheap lamps, but wondering if other household loads that are more sensitive might be affected as well?  Adam 
___List sponsored by Redwood AlliancePay optional member dues here: http://re-wrenches.orgList Address: RE-wrenches@lists.re-wrenches.orgChange listserver email address & settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.orgThere are two list archives for searching. When one doesn't work, try the other:https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.orgList rules & etiquette:http://www.re-wrenches.org/etiquette.htmCheck out or update participant bios:http://www.members.re-wrenches.org___
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[RE-wrenches] Enphase Gateway causing lamp to flicker

[AE Solar via RE-wrenches]

Wrenches
We have a project where the homeowner has some of those bedside lamps where
you touch them to turn them on/off/dim (rather than having a switch). It
seems like when the Enphase Gateway is powered up it causes the lights to
freak out. Once we flip the breaker to the Gateway off the lamp operates as
normalZ Interestingly, with another load (homeowner was using a
dehumidifier) plugged into the circuit it seems to stabilize the lights. We
isolated the problem to the Gateway specifically (ie having PV breakers
on/off doesn’t make a difference). It’s a supply side connection. The house
is small but we tried the lamp in multiple parts of the house and it
happens everywhere.  Enphase doesn’t have any ideas. Anyone have this
happen to them?

I think we might just need to buy them some new lamps, but I’m also
interested to understand what is happening. These are just some cheap
lamps, but wondering if other household loads that are more sensitive might
be affected as well?

Adam
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Re: [RE-wrenches] Grid Tied Inverter back feed to Generator

[Dave Angelini Offgrid Solar via RE-wrenches]

Picture tells one alot also. You can't have 2 or more sources without 
isolation, batteries or not.  Cheers!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-12-01 4:16 pm, Jerry Shafer via RE-wrenches wrote:


Wrenches
Without batteries uou do not want to do this, l have tested small 
generators to excite larger solar inverters to run constant loads but 
if the inverters out power the loads then the smoke comes out so not 
advisable

But hey thats just a guy that has been in the business for many years.
Fun times.

On Thu, Nov 30, 2023, 5:20 PM Jeremy Rodriguez via RE-wrenches 
 wrote:


Has anyone experienced a grid tie inverter back feed a whole house 
backup generator after a utility outage?

What can happen ?

Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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Re: [RE-wrenches] Big Ag water

[Dave Angelini Offgrid Solar via RE-wrenches]

Just did one.

You have to do the math for costing the grid, a genset, and solar 
direct.
The genset usually wins if the grid is not an option. You can easily 
find/replace pumps that are not solar direct.


If you do the solar, you still need a genset and the electronics to 
support it.


It is not an easy thing to do if someone is not living there. Most Ag 
run big gensets if no grid is available.


If you can add the grid, it will improve the property for the owner. Not 
sure about that in California anymore.


Happy Hour !  Good luck !

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-11-08 1:23 pm, Bill Battagin via RE-wrenches wrote:


Ag water wrenches,

I've been asked about the feasibility of pumping 2,000 gallons/minute 
(mid-day) from a pond to open discharge at 40 feet of head, 1,000 ft 
run.  PV direct. Multiple Grundfos pumps?  Any experience appreciated


Bill

Feather River Solar Electric
4291 Nelson St. (Shipping)
5575 Genesee Rd. (USPS, UPS)
Taylorsville, CA  95983
530-284-7849, 258-1641(cell)
CA. C10 Lic # 874049
Solar Powered since 1982
Home of the Sunny Side Up

[1]
Virus-free.www.avast.com [1]

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Re: [RE-wrenches] Wattnode AC Coupling Monitoring on Insight Cloud

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi Howie !

I see the same thing except if you read the last line, they are saying 
soon on the cloud. Good that it is working local though!


Version: v1.18 Build 041 [25 July 2023]
Please clear your web browser cache before logging in to web GUI.
Download the latest firmware (.epkg) from
https://solar.schneider-electric.com/product/conext-gateway/
https://solar.schneider-electric.com/product/insighthome-and-insightfacility-edgedevices/
Features
Summary of features
* Support for AC1 Generator
* Support WATTNODE CT3 setup to monitor AC coupled solar automatically
* Support for AC coupled power flow displayed on dashboard via WATTNODE
meter
* Add UI for XW Pro AC Output Voltage Calibration
* Support closed loop battery configuration pass through to MPPT
* Support to download HSM trace log file via web API
* Add battery temperature data on XW Pro status screen
* Support for operating without SD card
* Upgrade IotHubAgent to v3.1.8
* Support XW Pro 2.10 BN25
Summary of fixes provided:
* Fix for Modbus time registers returning fixed values
* Fix for value setting on "External Contactor"
* Fix for not being able to enable Grid support thru Insight Facility
* Fix for Aux Relay Time of Day Trigger not working issue
* Fix for Low Battery Cut out Warning Offset setting issue
* Fix for manual refresh causing XW parameters changes issue
* Fix for secondary XW Pro going back into grid forming when in standby 
mode

* Improvement for exported PDF file format
* Fix for TPM test failure issue
2 Conext(tm) Gateway Release Notes
Internal
* Improvement for WATTNODE device status page
* Change IEC 61727-2014 grid code name to IEC 61727-2004
Summary of new supported batteries:
* DISCOVER AES 44-48-3000
* DISCOVER AES 42-48-6650
* FortressPowerEvaultMax 18_5
* DISCOVER HELIOS 46-48-1540
* DISCOVER ELEMENT 48-48-5120
* PYLONTECH UP5000
* PYLONTECH US5000
* PYLONTECH PELIO
* HOMEGRID MQ_1
* HOMEGRID MQ_2
* HOMEGRID MQ_3
* HOMEGRID MQ_4
* HOMEGRID MQ_5
* HOMEGRID MQ_6
* HOMEGRID MQ_7
* HOMEGRID MQ_8
* HOMEGRID COMPACT
* EG4-LifePower4
* EG4-LL
* DEKA_DURATION_DD5300
Known Limitations
* Analog and Digital I/O is not supported
* After downgrading an XW device, the gateway must be restarted
* Upgrading from v1.07 and earlier to v1.08 and later will cause the 
cloud to be

disabled, requiring the user to re-enable the cloud via the Web UI
* The gateway does not have a web server trusted root certificate
* PDF Generation does not work correctly in Internet Explorer
* Temperature will not be shown in Battery Summary page if only MPPT 
device

installed BTS (Battery Temperature Sensor).
* Upgrade from old version to v1.18 may cause the BMS setup status 
change from

"successful" to "modified", re-apply it, or leave it alone.
* After changing or applying BMS setup, refreshing configuration is 
required to

make the UI configuration match device value.
* AC coupled power flow on InsightCloud & InsightMobile will be coming 
soon.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-26 9:26 am, Howie Michaelson via RE-wrenches wrote:


Hi All,

Has anyone successfully implemented the new AC coupled monitoring 
function using a Wattnode meter (Gateway firmware V1.18) so that it 
shows up on Insight Cloud? I have been able to get it to display on 
Insight Local, but not on the Cloud.  I have spent perhaps 20-30 hours 
on getting this function to work (working with Eric Bentsen as well as 
countless other Schneider support personnel). I've been told that if it 
shows up on Insight Local but not the Cloud, then that is an issue at 
Schneider's end. Now I'm wondering if there is something about the oler 
Gateway (not a "Home" device) which is causing this issue. Just 
wondering if anyone has been successful at implementing this feature so 
that it shows up on the Cloud.

Thanks, Howie Michaelson
Sun Catcher
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Re: [RE-wrenches] Off Grid, Cloudy Days, Solar Tilt Question

[Dave Angelini Offgrid Solar via RE-wrenches]

Kirk,

Can you reference your paper on this? So many variables and each 
location will be different. Most dual axis
trackers can always be left flat or any angle so that does not make 
sense to me.


You have to design for winter offgrid if the location is worth it. Or, 
alot of hours on a genset.


Super large arrays in your area will help give you more days/hours 
before you need the iron genoa.
You have to decide if it is worth the money. The home has to have the 
ability to shed some loads also.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-25 3:46 pm, Kirk Bailey via RE-wrenches wrote:


Hi All!

We don't do a lot of pure off-grid systems and I recently ran across 
something I wanted to run by folks with more experience in this area: 
Optimal array tilt for our very cloudy PNW winters!


My understanding has always been that latitude plus 10-15 degrees was 
the best tilt to address our winter energy shortage. However a paper I 
recently read (1), makes a compelling case for a much shallower tilt in 
situations where the cloud cover is so heavy that "diffuse" solar 
radiation is all that makes it through. They indicate that under those 
conditions a horizontal array will produce significantly more energy 
than even a two-axis tracker!


Given that the challenge in our off-grid setups always seems to be 
making it through the really cloudy stretches, and that there is 
usually enough energy the rest of the time, should we be installing 
off-grid arrays at a shallower angle?


Anyone tried this?

Kirk Bailey

k...@abundantsolar.com

www.abundantsolar.com [1]

(1) Kelly, N.A., Gibson, T.L, 2011, Increasing the solar photovoltaic 
energy capture on sunny and cloudy days. Solar Energy 85, 111-125.


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Re: [RE-wrenches] XW Drop in replacement inverter

[Dave Angelini Offgrid Solar via RE-wrenches]

On the latest firmware V1.18 both AC1 and AC2 have the same wide 
frequency and voltage choices.


This is for watt-node in a self consumption grid mode and also for 
adding AC coupling to show up on conext

insight on or offgrid.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-25 12:06 pm, Dave Angelini Offgrid Solar via RE-wrenches 
wrote:


Not getting this Kevin, AC2 has always been the generator input as it 
allows wider frequency and voltage settings for drifting gensets.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-25 11:57 am, Kevin Pegg via RE-wrenches wrote:

Physically it is all the same. Software is way more complex. As Dave 
mentioned, you have to follow the commissioning process.


AC1 will no longer accept generator input, it's grid-only now. So if 
you have a genset you will need to move that to AC2. This is one of 
the most irritating changes with the XWPro. Makes dual-generator 
configs a lot more complex now.


Kevin

From: RE-wrenches  On 
Behalf Of Chad Waits via RE-wrenches

Sent: October-24-23 2:18 PM
To: RE-wrenches 
Cc: Chad Waits 
Subject: [RE-wrenches] XW Drop in replacement inverter

Wrenches,

We have a client that had us construct a solar trailer for them back 
in 2014-2015 timeframe. The Current XW6048-120/240-60 is cooked and 
I'm wondering if the Schneider rep (or you savvy off grid guys) on 
here could tell me if the newer XW Pro 6.8kW 120/240 is an exact drop 
in replacement for a system including the the old power distribution 
panel accessories.


Thanks!

Chad Waits
President - Net Zero Solar

945 W. Silverlake Rd, Tucson AZ 85713

Cell: (520) 270-4873

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Re: [RE-wrenches] XW Drop in replacement inverter

[Dave Angelini Offgrid Solar via RE-wrenches]

Not getting this Kevin, AC2 has always been the generator input as it 
allows wider frequency and voltage settings for drifting gensets.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-25 11:57 am, Kevin Pegg via RE-wrenches wrote:

Physically it is all the same. Software is way more complex. As Dave 
mentioned, you have to follow the commissioning process.


AC1 will no longer accept generator input, it's grid-only now. So if 
you have a genset you will need to move that to AC2. This is one of the 
most irritating changes with the XWPro. Makes dual-generator configs a 
lot more complex now.


Kevin

From: RE-wrenches  On Behalf 
Of Chad Waits via RE-wrenches

Sent: October-24-23 2:18 PM
To: RE-wrenches 
Cc: Chad Waits 
Subject: [RE-wrenches] XW Drop in replacement inverter

Wrenches,

We have a client that had us construct a solar trailer for them back in 
2014-2015 timeframe. The Current XW6048-120/240-60 is cooked and I'm 
wondering if the Schneider rep (or you savvy off grid guys) on here 
could tell me if the newer XW Pro 6.8kW 120/240 is an exact drop in 
replacement for a system including the the old power distribution panel 
accessories.


Thanks!

Chad Waits
President - Net Zero Solar

945 W. Silverlake Rd, Tucson AZ 85713

Cell: (520) 270-4873

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Re: [RE-wrenches] XW Drop in replacement inverter

[Dave Angelini Offgrid Solar via RE-wrenches]

Hi Chad,

Yes XWpro 6848 is a drop-in  replacement. Exact fit & all connections 
are the same as way back to 2006 when the "grey box" XW 6048 was sold. 
You need a connext insight home or facility device to do the initial 
configuration.


It is a one time need for the insight home device to set the mode for 
offgrid. There are numerous new settings
that will not work with the old SCP he has, but you do not need them for 
a replacement.


You should not need to change firmware either as long as the system was 
working. Most new firmware is for the closed loop support of 10 
different LFP battery systems and new grid features. There is one LFP 
battery Discover AES that all settings are hard written and read by 
connecting one xanbus network cable.


https://solar.se.com/us/en/xw-pro-commissioning-guide/

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-24 2:17 pm, Chad Waits via RE-wrenches wrote:


Wrenches,

We have a client that had us construct a solar trailer for them back in 
2014-2015 timeframe. The Current XW6048-120/240-60 is cooked and I'm 
wondering if the Schneider rep (or you savvy off grid guys) on here 
could tell me if the newer XW Pro 6.8kW 120/240 is an exact drop in 
replacement for a system including the the old power distribution panel 
accessories.


Thanks!

Chad Waits
President - Net Zero Solar

945 W. Silverlake Rd, Tucson AZ 85713
Cell: (520) 270-4873

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Re: [RE-wrenches] Schneider Tech Support

[Dave Angelini Offgrid Solar via RE-wrenches]

Some of you folks are using really old Phone info.The number changed 
almost 3 years ago I believe.


1 833 391 8640  5 am to 8 pm Pacific time

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-24 10:38 am, Dave Angelini Offgrid Solar via RE-wrenches 
wrote:



Dave Angelini Offgrid Solar
"we go where powerlines don't"
[1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-23 8:16 pm, Vince McClellan via RE-wrenches wrote:

Hi Michael
I appreciate the info. I'll give that a try tomorrow. Even though I 
haven't used Schneider equipment much in the last few years, I still 
have a bunch of systems out there with their products.


Vince McClellan

Energy Design

NABCEP PV Installation Professional

p. (541) 485-8122  f. (541) 338-8202

If you have received this email and are not the intended recipient, 
please delete this email. Copying or using any part, content, or 
attachment of this email is strictly prohibited.


On Mon, Oct 23, 2023 at 5:36 PM Michael Morningstar via RE-wrenches 
 wrote:

Vince,
You'll want to  register with them and get the "special number". You'll 
also get the grid code password. I tried reaching them two weeks ago 
and last week and couldn't get through. Kinda bummed as Schneider has 
been my go to for several years.


On Mon, Oct 23, 2023 at 5:29 PM Vince McClellan via RE-wrenches 
 wrote:


Hello
Have any of you been in contact with tech support at Schneider? I 
haven't worked with their equipment in several years. I'm working on 
repairing another contractor's system, and when I tried to call tech 
support in the middle of the day, no one answered the call. I remember 
several years ago there was a special number to press once you were in 
the Schneider tech support answering system, but if you followed the 
prompts you wouldn't actually get to tech support.


Thanks in advance to anyone who can help,

Vince McClellan

Energy Design

NABCEP PV Installation Professional

p. (541) 485-8122  f. (541) 338-8202

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Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

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mjmornings...@gmail.com

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Re: [RE-wrenches] 2007 Kohler: Wrenches, can you help with parts or smarts?

[Dave Angelini Offgrid Solar via RE-wrenches]

In the dead of winter a client paid over 2K$ for the PCB. He now has 
surge protection on the lines from gen out to the XW. I did not say to 
him I told you so, but I am saying here.


Pop a midnite spd on gensets that stay connected all year. If it was 
nearby lightning, he was lucky it did not jump the transfer relay into 
the inverter electronics!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-23 10:05 am, Mick Abraham via RE-wrenches wrote:

Me again, Mechanix~ 'Tis the season...for generator problems. Here's 
mine:


Kohler model # 8.5RES air cooled propane
Serial number 2159521
Spec number GM29253-GA6

This machine has delivered many off-grid running hours; I suspect a 
lightning whack took it down. The main DC battery breaker inexplicably 
tripped the same day; inverter etc. are all OK.


How many hours? "A Lot." I can't be more specific b/c the electronic 
box with the display is black. The 12v cranking battery seems to have 
adequate energy but the black box is truly "blacked out" & doesn't 
respond to the red Run button. Three glass fuses near the ADC2100 
control box all have continuity.


The physical space in the power shed accommodates this machine housing 
but I doubt if any new machine would fit as well.
That "ADC2100" control box in my photo shows several different p/n's on 
eBay & I haven't done much more sleuthing. I have only a fuzzy
picture of ours, but squinting at the p/n, ours might be GM28707. Are 
they all interchangeable?


The ideal case would be if one of the Wrenches has a "known good" 
control box even if it's used or dusty. Clients might be sad
if I persuade them to spend $1k or more for an eBay part then we put it 
all together only to find the machine still won't run.
Contact me off-list if you have a part or parts to sell, or a "value 
added" parts vendor to suggest. We're in southern Colorado.


If something else may have also been damaged, can I get suggestions as 
to the likely culprits? Finally, how far should we go if the clients
really want a new lease on life for this machine? Are there shops that 
could do an engine overhaul? Assuming that the generator
windings are OK, are there bearing replacements or other TLC items to 
address if we haul it to a shop?


I'm aware that the 2023 stationary propane machines may not have the 
"slam it out" longevity that the clients have enjoyed with this one.

Thanks in advance for any suggestions. The Wrench List is the Bomb!

Mick Abraham, Proprietor
www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
ᐧ
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Re: [RE-wrenches] Cleaning PV mods

[Dave Angelini Offgrid Solar via RE-wrenches]

Definitely heard stories and have seen a few insurance claims for 
cracked glass.
I have had clients send me pictures of "solar" guys walking on the 
panels on their roof.


I guess it is OK to do this if you change your business name every 5 
years


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [11]https://offgridsolar1.com/ [12]  [11]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-23 6:44 am, White, Will via RE-wrenches wrote:

I worked with a guy who had done installs in Arizona. He had an 
off-grid customer spray down their array with cold well water in the 
middle of the day, which shattered the module glass.


I'm sure it was an isolated incident, but it happened.

Thanks,

Will

From: RE-wrenches  On Behalf 
Of Jason Szumlanski via RE-wrenches

Sent: Friday, October 20, 2023 4:47 PM
To: RE-wrenches 
Cc: Jason Szumlanski 
Subject: [EXTERNAL] Re: [RE-wrenches] Cleaning PV mods

CAUTION: This email originated from outside of the organization. Do not 
click links or open attachments unless you recognize the sender and 
know the content is safe.


I don't understand the thermal shock nonsense. It routinely starts 
downpouring here when it's blazing hot out (sun showers) and the rain 
is way cooler than ground water in summer. It makes no sense. If hose 
water from the ground is going to hurt solar panels, you better not put 
them where it rains!


I replied privately to Dana, but for the benefit of the group, it takes 
a heavy soiling to make any appreciable difference. I have done 
numerous tests at times of high pollen and found little to no benefit 
to cleaning solar panels. Certainly it would not be worth paying 
someone to do it. Other climates may have different results. My 
suggestion would be to test first. Module level power electronics can 
provide incontrovertible proof.


Jason

On Fri, Oct 20, 2023, 4:21 PM Dave Tedeyan via RE-wrenches 
 wrote:


Hi Dana,

See attached from REC. I would imagine these guidelines would apply to 
all modules.


Cheers,

Dave

On Fri, Oct 20, 2023 at 3:56 PM Dana Orzel via RE-wrenches 
 wrote:


Hey ally 'all,

Ok bad solar installer! 7 years & I have never cleaned my modules & 
live on a dirt road. Yeah rain does a good job with the dust but there 
is a film mostly on the edges.


What does everyone do for cleaning?

My array is 16'+ tall on a hill side. I have a pressure washer & was 
going to pick up a large sponge type mop & mount it on a painters 
extension pole.


Good Biodegradable cleaning solutions?

_____

Dana OrzelGREAT SOLAR WORKS!

C - 208.721.7003  E - d...@solarwork.com

W - www. greatsolarworks.com [1] www.solarwork.com [2]

_"Responsible Technologies for Responsible People since 1988!"_

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[9]

Dave Tedeyan, P.E.
Owner | Sungineer Solar

p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w: www.sungineersolar.com [10]
c: (607) 270-0370

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Re: [RE-wrenches] XW Pro failures

[Dave Angelini Offgrid Solar via RE-wrenches]

Eric has been great! You may have to remind him in a follow-up as he has 
a very busy schedule.


I know he appreciates the people who show-up for the training webinars. 
I must say that I hardly ever see anyone from the list here in the live 
webinars. Maybe they watch the replays?


I also am amazed that an installer would need to call tech-support to do 
a first install. Why would someone pay you to learn on their power 
system?


If you really feel you have been wronged by Schneider inside the 10 year 
XWpro warranty, get me your case number and I will follow up with the 
other side of your argument. There always are 2 sides. 


https://solar.se.com/us/en/xw-pro-commissioning-guide/

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-13 9:47 pm, Kevin Pegg via RE-wrenches wrote:


Hi Wallace,

Interesting. Eric has in the past been responsive to my queries. I 
emailed him over 1 week ago about my most recently failed XWPro and 
have not heard back. I see he is replying fairly rapidly to your query. 
I shall bug him more next week.


Kevin

From: RE-wrenches  On Behalf 
Of Wallace Stahle via RE-wrenches

Sent: Friday, October 13, 2023 5:05 PM
To: RE-wrenches 
Cc: Wallace Stahle 
Subject: Re: [RE-wrenches] XW Pro failures

Hey bleeding edgers,

So being alarmed at what I was reading and halfway through purchasing a 
dual stack XW Pro package I emailed Eric Benson with my concerns and 
pasted your  four descriptive posts with it  and  my plans to 
reconsider my choice before committing to problems some have had and I 
dont need. I pointed out the many solid installs some have had and that 
this appears to be a new problem in the unit, not the installation or 
older production runs.


Here is his initial response including reaching out to him if tech help 
is uh, unresponsive.



Begin forwarded message:

From: Eric Bentsen 

Subject: Re: XW Pro problems

Date: October 13, 2023 at 4:09:44 PM PDT

To: Wallace Stahle 

Hi Wallace,

It sounds like someone loaded the wrong firmware, or they attempted 
calibration without reading the guide. We have thousands of 
successfully installed XW Pro units in single and multi-unit systems. 
If anyone on wrenches needs assistance and is unable to reach tech 
support, they can reach out to me directly. Most issues installers 
face in the field related to loud buzzing are because they don't 
follow the commissioning guide on the website, which includes 
upgrading firmware in InsightLocal first, then upgrade XW Pro unit(s), 
then restore each XW Pro to ALL factory defaults, finally apply region 
code. These steps are necessary, in the correct order, to have a 
smooth commissioning experience.


Let me know how I can help.

Eric

Sent via the Samsung Galaxy S21 FE 5G, an AT 5G smartphone
Get Outlook for Android [1]

Internal

-

From: Wallace Stahle 
Sent: Friday, October 13, 2023 3:12:47 PM
To: Eric Bentsen 
Subject: XW Pro problems

[External email: Use caution with links and attachments]

-

Hello Eric,

So I just ordered a pair of MPPT 600/100 controllers and PDP for two 
inverters ahead of the 2 XW Pros that will go in later and I read some 
posts from experienced installers and realize I can not proceed with 
the install given these reports from four Re-Wrenches.  See pasted 
comments below.


The customers need for reliable power supply is critical.

I can not afford the time, trips, on hold phone time and frustration 
involved with remedies for these problems even if covered under 
warranty. Tech help generally presumes installer error when problems 
arise and getting them/you to acknowledge faulty product is an uphill 
rock rolling experience.


Your thoughts?

Wallace Stahle

Future Electric Energy Co

PO Box 236

Willits, CA 95490

707-459-0474

Lic.#C10-762093

fut...@pacific.net

Hello Wrenches,

Curious if anyone else is dealing with failed Schnieder XW PRO6848's 
this year? In recent months I've had 2 DOA (one producing 180/360VAC; 
one charger had this nasty building THD and ugly noise until it 
tripped out), and 2 fail after few weeks in service. One charger just 
failed, and another have yet to take the long drive to figure out but 
it's gone dark.


I've sold, serviced, and installed 100's of XW's starting with Beta 
001 and can't think of any that just failed like of recent. Unplanned 
return service calls are costly as we all know. Tech support has been 
wildly inconsistent and presently unresponsive.


Thanks,

Funny you should say that. One that I just installed is acting weird 
and sounds horrible. Waited an hour on the phone for tech support to 
no avail. Will be a really long drive back to sort things out. Never 
had an XW with issues before.


I have a buddy that has had two different  stacked pairs with issues.

It took months of back and forth on the one which they did rep

Re: [RE-wrenches] XW Pro failures

[Dave Angelini Offgrid Solar via RE-wrenches]

It must be an XW+ that died. The XW pro field circuit validation testing 
beta was complete in early 2019.


That XWP is still working fine for me. Not many failures unless the 
installer did not use surge protection.
If it was an XWP and you filled out the 10 year warranty, they might 
have your back still.


If you troubleshoot xw and find it is the power bridge PCB, I see them 
available on Ebay.
Schneider has not provided parts for out of warranty devices for 10 
years now.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-13 7:54 am, Lou Russo via RE-wrenches wrote:


I had a 7 year-old one die 1.5 months ago.
F41 APS Under Voltage.
No ugly sounds. Just no power.
I don't have many out there but this is the first.

Aloha,

Lou Russo
(808) 345 6762

On Fri, Oct 13, 2023 at 4:47 AM Michael Morningstar via RE-wrenches 
 wrote:
Funny you should say that. One that I just installed is acting weird 
and sounds horrible. Waited an hour on the phone for tech support to no 
avail. Will be a really long drive back to sort things out. Never had 
an XW with issues before.


On Thu, Oct 12, 2023 at 9:29 PM Kevin Pegg via RE-wrenches 
 wrote:


Hello Wrenches,

Curious if anyone else is dealing with failed Schnieder XW PRO6848's 
this year? In recent months I've had 2 DOA (one producing 180/360VAC; 
one charger had this nasty building THD and ugly noise until it tripped 
out), and 2 fail after few weeks in service. One charger just failed, 
and another have yet to take the long drive to figure out but it's gone 
dark.


I've sold, serviced, and installed 100's of XW's starting with Beta 001 
and can't think of any that just failed like of recent. Unplanned 
return service calls are costly as we all know. Tech support has been 
wildly inconsistent and presently unresponsive.


Thanks,

Kevin Pegg

EA Energy Alternatives Ltd.

Telkwa, BC  V0J 2X2

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--

Michael Morningstar

Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmornings...@gmail.com

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[RE-wrenches] APSystems Micros

[AE Solar via RE-wrenches]

Wrenches
Anyone have experience/thoughts on the APSystems 2:1 single phase micros. I
don’t see much in the archives and the internet has some mixed reviews. I’m
mostly on the Enphase band wagon, but interested in knowing if APS could be
considered as a more cost efficient option for larger single phase projects…
Adam
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Re: [RE-wrenches] Well pump with Sol-Ark

[Dave Angelini Offgrid Solar via RE-wrenches]

The Franklin with capacitor Jbox at top of well helps with the surge. It 
is not what you would call soft start!


An ammeter (or a loud generator) on a soft start pump will tell you what 
you have. A nice slow over 10 seconds ramping up of amps or gen noise 
when the pump is energized. You won't get this with a Franklin and Jbox.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-11 12:13 pm, Darryl Thayer via RE-wrenches wrote:

I have off grid customers where I have them install 1/2 HP pump, also 
Franklin soft start seems to help, low cost but I do not know how it 
works, it has a start capacitor I think.


On Wed, Oct 11, 2023, 1:23 PM James Jarvis via RE-wrenches 
 wrote:


On Wed, Oct 11, 2023 at 1:14 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


Even the SQ pump without the controller will soft start and should work 
with

any inverter built for offgrid.

The SQ pumps work great off grid. Easily run on 24 volt Magnum 
inverters without even flickering the lights. Super reliable.


I would avoid residential size VFD driven constant pressure pumps. I 
ended up with one at my current house. The VFDs go pretty regularly. My 
well service company can swap out a VFD in about 20 minutes and they 
always have a whole bunch of them on their shelves. They apparently do 
it quite a bit.


-James Jefferson Jarvis
APRS World, LLC
+1-507-454-2727 http://www.aprsworld.com/
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Re: [RE-wrenches] Well pump with Sol-Ark

[Dave Angelini Offgrid Solar via RE-wrenches]

Look at a variable speed pump from Grundfos. Not as many choices for 
large pumping apps.


The SQ Flex pump is basically a VFD when used with the controller. It 
can direct run from solar which tells
you there is no surge. Even the SQ pump without the controller will soft 
start and should work with

any inverter built for offgrid.

Dave Angelini Offgrid Solar

"we go where powerlines don't"
   [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-11 7:26 am, Glenn Burt via RE-wrenches wrote:

Based on the youtube video of the Sol Ark vs Schneider, I would never 
promise a customer it would reliably start up a motor load...


-Glenn
Sent from my 'smart'phone, so please excuse typos and spelling errors.

-- Original message--
From: frenergy via RE-wrenches
Date: Wed, Oct 11, 2023 10:11 AM
To: Chris Sparadeo via RE-wrenches;
Cc: frenergy;
Subject:[RE-wrenches] Well pump with Sol-Ark

I'm looking for opinions
and/or real world experience on recommendation
for the largest 240V submersible well pump the Sol-Ark 12KW inverter 
can

start/run.  Assume 500 watt load prior to starting the pump, static
level of water in well is 75 feet, system psi when it starts is 40.

Thanks,

Bill

Feather River Solar Electric
Bill Battagin, Owner
4291 Nelson St.(shipping)
5575 Genesee Rd. (USPS, UPS)
Taylorsville, CA 95983
530.284.1925 Office/ 530.258.1641 [1] Cell
CA Lic 874049
Solar powered since 1982

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Re: [RE-wrenches] Nuance ground racking

[Dave Angelini Offgrid Solar via RE-wrenches]

Interesting and the closest I have done to this is a ballast mount.
I will say I have broken quite a few cordless drills and killed Lithium 
batteries with big torque.

My vote is a genset/ extension cord. Good Luck!

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-09 7:32 am, Dave Tedeyan via RE-wrenches wrote:


Hi all,

I am going to try out the Nuance OSPREY PowerRack as a ground mount 
option that does not require an excavator. I am wondering two things 
about it:


1. Does anyone have experience with this, and do you like it?

2. What drill do you use for the drive rod?

It seems like the Milwaukee 2" SDS max drill is the standard - 
https://www.milwaukeetool.com/Products/5342-21
I am wondering if it is possible to use a cordless drill though. DeWalt 
makes both a cordless and corded version that claim to have the same 
impact energy as each other, although both are less than the Milwaukee 
Drill. Milwaukee has 19.9 ft-lbs of energy and the DeWalt ones have 
19.4 Joules, which is 14.3 ft-lbs of energy.
Cordless Kit - 
https://www.dewalt.com/product/dch773y2/60v-max-2-brushless-cordless-sds-max-combination-rotary-hammer-kit
Corded Kit - 
https://www.dewalt.com/product/d25773k/2-sds-max-rotary-hammer


The cordless drill is tempting because I already have a bunch of DeWalt 
equipment, and it would be nice to avoid needing a generator or some 
very long extension cords.


Thanks!
-Dave
--

[1]

Dave Tedeyan, P.E.
Owner | Sungineer Solar

p: he | him | his
a: 1653 Slaterville Rd. | Ithaca, NY 14850
w: www.sungineersolar.com [2]
c: (607) 270-0370

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Re: [RE-wrenches] Schneider BTS

[Dave Angelini Offgrid Solar via RE-wrenches]

They do come in the XWP box. You can contact me off list for one.

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-10-05 9:46 am, Chris Schaefer via RE-wrenches wrote:


G'day All,

Having a difficult time locating a distributor for Schneider BTS cables 
for a twin set of XW Pro 6848's. Schneider will not sell these to 
installers. Please provide me with a source/supplier.


Much Appreciated,
Christopher-

Chris Schaefer's

Tel 585-229-2083 or Cell 585-748-1870
5115 S Hill Road ~ Canandaigua New York 14424
_www.solarandwindfx.com [1] ~ E-mail: chris@solarandwindfx.com_

Thomas Jefferson, the author of our great Constitution, once said, 
"democracy" will cease to exist when you take away from those who are 
willing to work and give to those who would not."

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Re: [RE-wrenches] Dab Esybox Mini 3 pump

[Dave Angelini Offgrid Solar via RE-wrenches]

No experience but I am interested. I see your pump but it has not been 
out there long. I can't find it a Home Depot which I depend on for 
really remote clients. Can you get one fixed in the US or parts? Will it 
be affected by well water?


The Scala2 has had failures and seems to last 3 years if the input water 
has sediment. Grundfos is a pain but they are there and will help for 2 
years. Home Depot will give your money back if you use their CC for a 
year.


All ears on this one!

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-09-30 11:02 am, Mick Abraham via RE-wrenches wrote:

Hi, Mechanics~ Any experiences with the pump in my subject line? It's 
variable speed (constant pressure) in a similar category as Grundfos 
Scala2. I see the Scala2 has garnered some bad reviews for leakage 
problems, etc.


The Esybox Mini seems to mostly have 5 stars. I'd be using it with an 
unpressurized holding tank, & prolly I can arrange for flooded suction.


Thanks in advance. The Wrench List is the Bomb!

Mick Abraham, Proprietor
www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
ᐧ
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Re: [RE-wrenches] Propane range options for off-grid?

[Dave Angelini Offgrid Solar via RE-wrenches]

Happiness is a great stove! Can I get the Viking model number Dana. 
Please PM or Wrench it!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
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e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-09-26 4:16 pm, Dana Orzel via RE-wrenches wrote:

Our 6 burner Viking only draws 15 watts off-grid, just saying J one 
form of happiness is  a great stove!


___

Dana Orzel  c- 2087217003   e - d...@solarwork.com

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Re: [RE-wrenches] Propane range options for off-grid?

[Dave Angelini Offgrid Solar via RE-wrenches]

Hey David,

I wish I could convince my clients to use a no AC power source ignition 
for baking and broiling. I gave up years ago and never could convince my 
wife.


The power system needs enough storage for winter use of appliances. The 
ranges now all have convection cooking and some can air fry.


There would be a higher divorce rate by trying to avoid the use of 500 
watts to run an igniter. Wife acceptance factor or significant other. 


If I had to, I would specify another Premier or the Unique. I have a few 
clients that have a 2nd range in the garage
and that is their spare. It avoids the need of service in the dead of 
winter offgrid.


It would be a fantasy to have good appliance service where many of my 
people live.   Good Luck!


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-09-26 2:36 pm, David Palumbo via RE-wrenches wrote:

I have old off-grid friends looking for advice on replacing an old LP 
Gas range. Here is their email they sent me. Wrench advice will be 
appreciated!


* Dave Palumbo

<< We are ready to replace our cook stove, it is a Premier & we love it 
but have had problems finding parts for it & people to work on it.


The only major appliance co who makes a cordless/non-convection oven 
range is Hotpoint, which is pretty basic but could work.


https://products.geappliances.com/appliance/hotpoint-specs/RGBS200DMWW#tab2_

The other one we are looking at is a Unique Appliances brand propane 
stove - for off-grid use - their "classic retro" model doesn't have 
great reviews but the basic model sounds good.




Off-Grid Classic 30" Propane Range (Battery Ignition) [1]

uniqueappliances.com [1]

I'm wondering if you are familiar with the Unique Appliances brand & if 
you'd recommend them?


We also considered the Premier "Pro Series" ranges but they are spendy 
& I'm afraid we'll run into the same trouble finding parts & someone 
who will work on them, which could also be an issue for Unique.


Any thoughts or suggestions on the topic?  >>

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Re: [RE-wrenches] Generator question

[Dave Angelini Offgrid Solar via RE-wrenches]

I would trigger genset on Soc. Is that what you are doing?

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-09-25 9:20 am, Chris Daum via RE-wrenches wrote:


Hi folks:

We have a situation where the Sol-Ark 12kW Inverter isn't able to 
adequately manage the loads and perform auto-gen start other than low 
battery level.   And despite thorough understanding of the customer's 
initial loads, after he's bought the system, he's continued to add more 
and more loads - a severe case of load creep.


He's got a 38KW generator and we're looking for the components to make 
the generator _load responsive_ instead of just kicking on when the 
battery voltage is low.  Are there any ideas on switching equipment 
that can do this and work with the Sol-Ark?  We're waiting for a reply 
from Sol-Ark, but thought you folks may have some ideas.


The original design was for a larger solar system and inverter, but the 
customer balked at the cost and said he'd reduce his loads accordingly. 
 Unfortunately, that has not happened!   Now we're trying to bend the 
laws of physics and have his 38KW  generator make up the difference. We 
need to come up with a means of accommodating the compromised design 
and now are faced with additional loads -- along with a significantly 
reduced solar array.   Is there a way to make this (2 wire start) 
generator more load responsive?


Thanks for any and all advice!

Chris Daum

Oasis Montana Inc.

406-777-4309 or 4321

www.oasismontana.com [1]

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Re: [RE-wrenches] Power conditioner for Trace inverter

[Dave Angelini Offgrid Solar via RE-wrenches]

I would do a load test on the inverter. It may have a damaged FET or 
two. They do not last forever! Good Luck


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-09-08 12:30 pm, Darryl Thayer via RE-wrenches wrote:


New washing machines are small loads 400 Watts about.

On Fri, Sep 8, 2023, 2:27 PM Darryl Thayer  
wrote:
I once used a ferro-resonant transformer to clean up a sine wave.  You 
have to know the power.


On Fri, Sep 8, 2023, 1:59 PM Chris Daum via RE-wrenches 
 wrote:


Hi folks:

I have a fellow with a Trace SW5548, purchased from us in 2001.  It's 
been working  great for him all this time, but the dilemma is he's 
gotten a new Hotpoint washing machine, and its electronics don't like 
the old inverter.  Is there some sort of power conditioner or 'line 
tamer' available that will work for this appliance's operation?  Any 
ideas would be greatly appreciated.  He's rather loathe to replace his 
inverter if he doesn't need to.


Best,

Chris Daum

Oasis Montana Inc.

406-777-4309 or 4321

406-777-4309 fax

www.oasismontana.com [1]

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Re: [RE-wrenches] Iron Edison Lithiums

[Dave Angelini Offgrid Solar via RE-wrenches]

Iron Edison or the MFG company in China?  Just curious as I have a few 
clients with their LFP and they are concerned.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-30 12:19 pm, Jeremy Rodriguez via RE-wrenches wrote:

I'm working with the manufacturer to get a replacement, as these are 
two year old batteries.


Jeremy Rodriguez
Solar Installation / Design

All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

On Aug 29, 2023, at 21:14, Jerry Shafer  
wrote:


Jeremy, Wrenches
So clean all of it off water is best then dust it with flower even dust 
and see where it gets wet, it can be traveling down from the cap but if 
the caser is cracked then maybe epoxy if you can get it clean enough, 
the battery chemistry is hard on the skin so be careful.

Fun times

On Tue, Aug 29, 2023 at 4:54 PM Jeremy Rodriguez via RE-wrenches 
 wrote:

Leaking from somewhere mid way in the battery case I'm guessing.
The liquid followed a cable down to the BMS board and corroded it 
badly.


Jeremy Rodriguez
Solar Installation / Design

All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

On Aug 29, 2023, at 10:30, Jerry Shafer via RE-wrenches 
 wrote:


Jeremy, wrenches
It's been some time since as they don't pencil very well, where are you 
seeing the leakage, case top or elsewhere

Fun times

On Tue, Aug 29, 2023, 6:53 AM Jeremy Rodriguez via RE-wrenches 
 wrote: If anyone has had issues 
with the Iron Edison lithiums leaking, please contact me off list

But , feel free to comment here if needed.

Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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There

Re: [RE-wrenches] Iron Edison Lithiums

[Dave Angelini Offgrid Solar via RE-wrenches]

Yes Iron Edison is closed. They had an out of business sale earlier this 
year.


The epoxy fix of leaking fluids is best done by using a fast cure blend 
and expanding out until the leak stops. You can do this with a diesel 
fuel tank leak or an oil pan leak. It just needs to be clean and dry 
long enough for the epoxy to cure. The final coat can be with a quality 
epoxy like JB weld.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-29 5:49 pm, Chris Sparadeo via RE-wrenches wrote:

It's my understanding that Iron Edison went out of business earlier 
this year. I did have an issue with a few bad cells in a RB48V300, but 
after the RMA, no issues to date. And certainly nothing explosive in 
nature, although I do remember a previous thread about an RB cover 
blowing off. The take away was...these are not field serviceable units.


On Tue, Aug 29, 2023 at 8:04 PM Jay via RE-wrenches 
 wrote:


Can you send pictures?

Jay

On Aug 29, 2023, at 5:54 PM, Jeremy Rodriguez via RE-wrenches 
 wrote:


Leaking from somewhere mid way in the battery case I'm guessing.

The liquid followed a cable down to the BMS board and corroded it 
badly.


Jeremy Rodriguez
Solar Installation / Design

All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.

On Aug 29, 2023, at 10:30, Jerry Shafer via RE-wrenches 
 wrote:


Jeremy, wrenches
It's been some time since as they don't pencil very well, where are you 
seeing the leakage, case top or elsewhere

Fun times

On Tue, Aug 29, 2023, 6:53 AM Jeremy Rodriguez via RE-wrenches 
 wrote: If anyone has had issues 
with the Iron Edison lithiums leaking, please contact me off list

But , feel free to comment here if needed.

Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240

Sent by Jeremy's iPhone. Sorry for typos and shorthand.
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Re: [RE-wrenches] Fronius USA available 2023 & 2024 ?

[Dave Angelini Offgrid Solar via RE-wrenches]

Mick,

I would look at the workings of the Schneider back-up control switch and 
it's internal watt node. Recent webinar training. This will allow AC 
coupled power to show on Insight. I am not advocating it though, 
certainly not for offgrid.


Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [2]https://offgridsolar1.com/ [3]  [2]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-26 4:56 pm, Mick Abraham via RE-wrenches wrote:

Hi, Team and >>gosh<< I must apologize to 
connell.christop...@fronius.com and to Fronius.
I'm sorry that I inadvertently fueled an untrue rumor about Fronius 
USA. Chris, I should have tracked you down for the correct answer 
before putting my question on the List. I will also correct this with 
my Greentech branch manager on Monday, Heaven permitting.


I freaked out when my Greentech rep told me Fronius had left the 
building but I'm glad I don't have to re-shop the string inverter 
component after all. I did an AC coupled off grid project using Fronius 
Symo in 2019: No Drama, No Trauma.


For those Wrenches who've wondered, "Why, Mick, why..." about off grid 
AC coupling: most of the rooftops that need PV for my 2023 opportunity 
will be inconvenient for running DC wires to the battery location. 
These same rooftops, however, will have AC sub-panels close by, so I 
had an "A-ha, negative loads!" moment. At least some of the PV will run 
through a charge controller in any case. I think the wattage from any 
AC coupled string inverters won't show up on Schneider Insight, so 
that's another reason for me to heed those Wrenches who suggest DC 
coupling for all of the PV.


Thanks to all who've contributed to this thread. I think the thread 
should now extinguish & moderator Michael may wish to delete it from 
the archives. I appreciate accessing the "hive mind" on various 2023 PV 
inverters and again, Chris, I'm sorry to have caused a temporary smudge 
on Fronius USA.  The Wrench List is the Bomb!


Mick Abraham, Proprietor

www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
ᐧ
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Re: [RE-wrenches] Fronius USA available 2023 & 2024 ?

[Dave Angelini Offgrid Solar via RE-wrenches]

I think Fronius has left the building. The reason I know is they stopped 
sending me AFCI repairs about 2 years ago. There was not any support 
from their installers in remote places like the Sierra range.


I would second Tump on picking a good company with real money and 
products. Below is a new one this fall.


https://shop.se.com/us/en/schneiderhome

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [4]https://offgridsolar1.com/ [5]  [4]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-25 3:55 am, Tump via RE-wrenches wrote:

Mick, I would avoid trying to use a manufacture that has little NO 
support OR product availability.
IF your using the Schnieder Pros, I would suggest you consider the 
600/100 CC.  This product is more then capable of handling 7kW of 
input. They are available, compatible w/ their (Schnieder's) battery 
monitoring AND offer a system that is able to "talk" to itself.
Off grid should be uniform in design so clients/caretakers and you, 
have little adding to confusion IF/when their is an issue.
Lord knows Im not saying there won't be an issue w/ Schnieder's 
product, but we DO have a  product, tech support & other persons w/in 
the company we are able to call on.
AC coupling, for off grid while we have Hi V CCs available is for me a 
thing of the past. My$0.02 worth  TUMP


On Aug 24, 2023, at 4:23 PM, Mick Abraham via RE-wrenches 
 wrote:


Hi, Mechanix~ I asked a Greentech location about quantity four Fronius 
string inverter PRIMO 6.0-1. (6kW AC output, single phase 240 volt 60 
hz) This p/n is in the Greentech portal but my particular branch 
hasn't done much with Fronius. Today the branch manager told me 
"Fronius no longer exists."


Can any of you confirm or correct this report? I have an off-grid 
opportunity for which I wish to AC couple some of the PV. If Fronius 
USA has indeed "left the building", are there other string inverters 
that can be selected for country code "off grid 60 hz"? I'd like for 
the PV inverters to only curtail their output wattage if there's a 
frequency shift from the grid forming inverter (frequency/watt). 
Schneider XW Pro units would be forming the grid. Schneider has a 
white paper # 990-6421 on AC coupling but this document is almost 
three years old & no help at all in finding compatible PV inverters. 
Rapid shutdown is not mandated for this gig & each array would be 
evenly illuminated. IIRC, the List hasn't been highly enamored with 
SolarEdge in recent years; is that still the consensus?


Thanks as always; the Wrench List is the Bomb!

Mick Abraham, Proprietor
www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
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Tump [2]3...@gmail.com   www.SWNL.net [3]

Solarwinds Northernlights   __
_   Serving Mid Coast Maine & Northern California_
_ 207-832-7574   Cl. 610-517-8401  
_

_  __Blair "TUMP" May_

  MAINE'S CHARTER 
_   __  NABCEP"Certified PV Installer"_

  MAINE'S CHARTER 
_Trace Xantrex "Certified" Dealer / Installer"_


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Re: [RE-wrenches] Fronius USA available 2023 & 2024 ?

[AE Solar via RE-wrenches]

I was trying to expand on an older fronius install and asked my greentech
rep about when they might have their UL1741SB line out and he said he
“hadn’t heard from fronius in a while and wouldn’t be surprised if fronius
wasn’t a company in a year or two”. So more or less the same info you heard
Mick

On Thu, Aug 24, 2023 at 5:42 PM pieter offgridenterprises.org via
RE-wrenches  wrote:

> Fronius is certainly having issues, many of their products are out of
> stock. We are eight weeks into trying to resolve a service issue, and
> cannot get parts. Historically this sort of problem would have been
> resolved in less than one week. I suggest that looking at an alternative
> would be advisable. If this downward trend continues with Fronius, support
> after the sale will be a problem for the installer and the customer. I am
> having good experiences with other manufacturers but have not used any of
> them in an AC bussed configuration, so for that reason I will not suggest
> an alternate brand.
>
> Pieter Huebner
>
> Project Manager
>
> Off grid Enterprises
>
>
>
> *From:* RE-wrenches  *On
> Behalf Of *Mick Abraham via RE-wrenches
> *Sent:* Thursday, August 24, 2023 3:23 PM
> *To:* RE-wrenches 
> *Cc:* Mick Abraham 
> *Subject:* [RE-wrenches] Fronius USA available 2023 & 2024 ?
>
>
>
> Hi, Mechanix~ I asked a Greentech location about quantity four Fronius
> string inverter PRIMO 6.0-1. (6kW AC output, single phase 240 volt 60 hz)
> This p/n is in the Greentech portal but my particular branch hasn't done
> much with Fronius. Today the branch manager told me "Fronius no longer
> exists."
>
>
>
> Can any of you confirm or correct this report? I have an off-grid
> opportunity for which I wish to AC couple some of the PV. If Fronius USA
> has indeed "left the building", are there other string inverters that can
> be selected for country code "off grid 60 hz"? I'd like for the PV
> inverters to only curtail their output wattage if there's a frequency shift
> from the grid forming inverter (frequency/watt). Schneider XW Pro units
> would be forming the grid. Schneider has a white paper # 990-6421 on AC
> coupling but this document is almost three years old & no help at all in
> finding compatible PV inverters. Rapid shutdown is not mandated for this
> gig & each array would be evenly illuminated. IIRC, the List hasn't been
> highly enamored with SolarEdge in recent years; is that still the consensus?
>
>
>
> Thanks as always; the Wrench List is the Bomb!
>
>
> Mick Abraham, Proprietor
> www.abrahamsolar.com
>
> Landline: 970-731-4675
>
> Cell phone or for text messaging: 970-946-6584
>
> ᐧ
> ___
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>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
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>
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> --
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Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com 
(518) 567-1468
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Re: [RE-wrenches] 1/2HP ECM booster pump

[Dave Angelini Offgrid Solar via RE-wrenches]

How is the quality (sediment) of the water? Most of the Scala1 and 
Scala2 series will not last more than 3 years without really good 
filtration. I have lost a few to rainwater also The MQ series is not 
made anymore so check for warranty.


Nice quiet pumps but

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [3]https://offgridsolar1.com/ [4]  [3]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-20 10:32 am, Jerry Shafer via RE-wrenches wrote:


Dana, wrenches
Grunfus makes 120 vac booster pumps, MX Series as l recall they are a 
variable speed tech

Fun times

On Sun, Aug 20, 2023, 9:56 AM Dana Orzel via RE-wrenches 
 wrote:



Hey all you wise ones!

I am looking for a recommendation on a 1/2HP ECM domestic water 
booster pump source if one exists. Currently the existing 3/4HP pump 
it is a 120 VAC but could be 230VAC. They don't need 3/4HP in this 
small cabin & not irrigating the vegetation.


Thanks in advance

Dana Orzel      Great Solar Works, 
Inc.


C - 208.721.7003d...@solarwork.com

Idaho Contractor - # 028765 Idaho PV # 028374

www.greatsolarworks.com [1]www.solarwork.com [2]

"Responsible Technologies for Responsible People since 1988"

P Please consider the environment before printing this email.

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Re: [RE-wrenches] Sol-Ark 15k Conduit Entries

[Dave Angelini Offgrid Solar via RE-wrenches]

Very nice Install Michael!  Was that the project on the xxCloud River we 
talked about?


It looks like you have kept the gutter heat gain down to protect 
electronics.  "the rule of thumb is that every 10°C increase in 
temperature reduces component life by half"

https://www.electronics-cooling.com/2017/08/10c-increase-temperature-really-reduce-life-electronics-half/

Dave Angelini Offgrid Solar
"we go where powerlines don't"
   [1]https://offgridsolar1.com/ [2]  [1]
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-08-03 10:08 am, Michael Morningstar via RE-wrenches wrote:


Hi Drake,
Those are single phase combiner panels. I would have loved to set this 
up as a three phase system, but there was already a mile of underground 
single phase run throughout the property. We ended up running a half 
mile 15KV line from the power site to the estate. This is an aside, 
it's kind of hard to see, but for seperation, we attached  the pv 
circuits to the back of the gutter using through bolted adhesive backed 
cable tie holders. Often we use gutter dividers. They originate in the 
tall cabinet at the end which houses controls, secondary PV 
disconnects, AC and DC egauges, Tigo hub, Battery hub and (Lynk II). On 
the opposite end is a similar cabinet for the collection and 
distribution of AC circuits. Also, above and below the batteries are 
small gutters for communications and CT wires that run from the 
transfer switches to eguage. One transfer switch to alternate usage 
(alternating relay) or bypass between Gen 1 and Gen 2, and the other 
switch to select inverter or generator power, locally or remotely. In 
the AC cabinet there is a 400a contactor and time delay relay to 
achieve a generator cooldown as the janky Sol-Arks don't do that and 
it's hell on new diesels not to have that function.


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Michael Morningstar

Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmornings...@gmail.com




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Re: [RE-wrenches] 200a manual xfer switch w/ small aux contact : who makes it?

[Dave Angelini Offgrid Solar via RE-wrenches]

You saw the back-up control switch from Schneider? Probably not what you 
want. https://solar.se.com/us/en/product/backup-control-switch/

Might be good for something else?

Whole home or partial home backup made easy. When paired with Schneider 
Electric
XW Pro inverters, the Backup Control Switch (BCS) automatically 
disconnects from the
grid during an outage, allowing the system to provide backup power to 
the home.
Certified to UL standards for USA, The Backup Control Switch is used for 
larger XW Pro
systems requiring up to 200 A rated MID or service entrance 
installation.

Flexible Installation
* Whole home backup or subpanel backup with up to 200
A rating
* Service entrance rated when installed with a main breaker
* Top or bottom entry for grid input
* Optional non-backup circuit, making it easy to backup an
existing panel and remove select non-critical loads
* Configurable for export limiting with integrated meter
Reliable
* Fast 50 ms transfer from grid connected to backup power
operation
* Reliable backup power and load starting performance
with the compatible XW Pro inverters
* Connect up to 4 XW Pro inverters for up to 27 kW
continuous and 48 kW peak backup power capability
* Outdoor rated enclosure
* 10 year limited warranty

Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-07-26 3:24 pm, Mick Abraham via RE-wrenches wrote:

Hi, Mechanix~ My off grid project needs dual 40kW diesel generators 
with easy manual selection between "A" or "B". The output from the 
manual switch would feed AC into a set of XW Pro inverter/chargers.


I seek a 200a manual xfer switch that can also changeover the 12v+ 
generator automation wire with the same handle. Schneider DTU324N is 3 
phase (solid neutral) so that does get me a third blade but since the 
trigger wire is only a few amps this p/n seems like overkill on 
size/weight and on cost.


The manual switch unit doesn't need to make or break live power because 
folks always tend to shut down any nearby noisy engine before they do 
any switching. We also don't need 100k short circuit current rating 
because the machines can't fault as big as grid power can. Non-fusible 
seems best b/c each genset will have a 200a main breaker. I'd prefer to 
buy the switch inside a NEMA1 enclosure rather than getting a bare 
switch that would require me to mount it into a housing. The project 
won't be code inspected, so thanks in advance for any suggestions.


The Wrench List is the Bomb!

Mick Abraham, Proprietor
www.abrahamsolar.com [1]

Landline: 970-731-4675
Cell phone or for text messaging: 970-946-6584
ᐧ
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Re: [RE-wrenches] Inverter output fluctuations

[Dave Angelini Offgrid Solar via RE-wrenches]

Hey Howie, Can't remember but did you try disabling the charger in XW+ 
for a pulsation test ?


Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-07-23 9:37 pm, Howie Michaelson via RE-wrenches wrote:


Don,
Thanks, but this is not the issue here.  The fluctuations happen 
anytime the AC coupled inverter connects to the XW+'s "grid", not just 
when the batteries are full.  The frequency only changes about 1/10 of 
a herz when it connects, but it doesn't matter what the voltage is of 
the batteries, the pulsation starts. Going over the settings with Eric 
Bentsen, we shut off the AC coupled option to prevent the frequency 
shifting - this made no difference.  We do have a contactor installed 
that disconnects the inverter from AC when the voltage starts elevating 
past the charge voltage and it has worked well for years. If I set up 
an AC coupled Off-Grid open loop system in the future, I'm thinking 
that I would look to disconnect the DC input as the batteries reach 
charged voltage - generally an easier cycling for the system to endure. 
There is also a smaller, legacy DC coupled array in this system which 
takes care of the finishing charge of the batteries through a charge 
controller. Again, it has all worked well in the past, only having any 
issues with AC fluctuations due to having the generator charging load 
set too high for the existing generator. This was solved by simply 
turning down the charge rate of the batteries and the visible light 
fluctuations stopped.


Howie

On Sun, Jul 23, 2023 at 11:42 PM don energysolarnow.com [1] 
 wrote:



Howie-
it sounds like the XW+ is trying to curtail the Solar Edge by shifting 
frequency, and the loads don't like it.


When off-grid and batteries are charged there is no place for all that 
AC coupled solar power to go.


This is an issue windmill folks have too. The solution can be as 
simple as a dump load such as a water heater to absorb the excess 
energy.
Tell the customer to turn the hot tub up high, or something like that. 
Heat up a bathtub in a greenhouse and plant bananas.


DonBarch
Energy Solar

From: Howie Michaelson 
To: Dave Angelini , RE-wrenches

Subject: Re: [RE-wrenches] Inverter output fluctuations
Message-ID:

Content-Type: text/plain; charset="utf-8"

Hi,
I was finally able to get to the site with the light pulsating issue. 
It
turns out it is that it directly corresponds to the AC coupled 
SolarEdge
HDwave 6kW inverter.  Moreover, the pulsating gets stronger with 
higher
output of the SolarEdge inverter (as more sun pouches more current 
through
the inverter). And the hum of the XW+ very noticeably fluctuates in 
direct
proportion to light fluxuations. It affects all the lights in the 
house,
regardless of manufacturer, wattage or age. I did not have an 
oscilloscope,
but looking at the Hz, it does sag very slightly to 59.9 when the 
SolarEdge
is producing, down from a rock solid 60 Hz when the SE is not 
producing.
The output voltage does not change at all.  The fluctuations in both 
the
lights and the inverter hum immediately stops when the SolarEdge 
production

is shut off. So it is clearly some interaction between the 2 inverters
causing this issue.

Has anyone dealt with this issue before? Does anyone have any 
suggestions
for dealing with this, short of replacing the SolarEdge with a 
Schneider

high voltage Charge Controller?
Thanks,
Howie


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[RE-wrenches] SMA Tech Support

[AE Solar via RE-wrenches]

Hey all,
After the typical 1 hour wait to get up to Level 2 for SMA tech support,
the tech mentioned there might be some option where you get registered (or
possibly pay) to bypass Level 1? Or somehow get more streamlined service?
He didn't know how or where to access that service. Has anyone heard of
this and/or utilized it? Forever frustrated with their wait times. Thanks
for any feedback.
Adam


Adam Katzman (he/him)
Autonomous Energies | Owner/Operator
www.AutonomousEnergies.com 
(518) 567-1468
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Re: [RE-wrenches] Inverter output fluctuations

[Dave Angelini Offgrid Solar via RE-wrenches]

Take the covers off XW+ Boss !  Go to webinar this Thursday below.  
Happy Sunday !

---

Hi Friends,

Because we ran out of time during the XW Pro Troubleshooting webinar, we 
weren't able to take any questions.


I wanted to give you the opportunity to join this follow-up webinar, and 
this time I promise to leave plenty of time for Q


This session will encapsulate all of the most popular and informative 
topics into one session.


✅ Understanding what sets XW Pro apart from the competition
✅ Essentials of designing a system
✅ Monitoring options
✅ Q

Register today!

https://solar.se.com/us/en/event/xw-pro-performance-design-and-monitoring/ 
[1]


 I look forward to seeing you then .Eric

Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail  offgridso...@sti.net
text 209 813 0060

On 2023-07-23 7:40 am, Howie Michaelson via RE-wrenches wrote:


Jay,
I'm not sure what Schneider has to say, since Tech Support has been 
impossible to reach this week (apparently something is wrong with their 
phone system) and it was only recently that we determined the cause.  
It should be under warranty, unless there is lightning damage. I will 
write to my support contacts and see if they have anything helpful to 
offer via email, although I find that form of communication with them 
to often be less than satisfactory.


Howie

On Sun, Jul 23, 2023 at 8:54 AM Jay via RE-wrenches 
 wrote:


Given that it worked fine for years it would appear that the XW+ has an 
issue.


I don't see how the SE could cause this.

Is it still under warranty? What does Schneider say about the issue.

Jay

On Jul 22, 2023, at 10:33 PM, Howie Michaelson via RE-wrenches 
 wrote:


Michael, that is my last ditch choice as I will be eating the cost and 
time.  When I installed this setup 4+ years ago, having done a few 
similar installations (although mostly on grid), I had not seen any 
issue with the design, nor heard anyone else suggesting that this 
design might cause this type of issue. And this did not become an issue 
at this site until a few months ago, having operated well until then. 
As I am now hearing, the XW+ is not well equipped to handle voltage 
regulation when dealing with AC coupled inverters. I don't really 
understand why the issue is just now showing up, although I suppose it 
could possibly be due to lightning damage. If the only solution is to 
install a high voltage charge controller, so be it.  Unfortunately this 
won't be an insignificant cost in dollars and time, a cost I'm not 
excited to be affording, particularly right now after taking on some 
substantial losses due to our recent historical flooding.  If there was 
another, less expensive solution, I'd be happy to hear about it. Sorry 
to sound whiny, I'm just not very happy about this eventuality...


Howie
Sun Catcher

Solar Electric Systems Sales & Service
802-272-0004

On Sat, Jul 22, 2023 at 11:49 PM Michael Morningstar via RE-wrenches 
 wrote:
Replacing SE with Conext 600-100, Seriously, everything will then play 
nice together, and it's only a matter of time before the SE has to go.


On Sat, Jul 22, 2023 at 4:02 PM Howie Michaelson via RE-wrenches 
 wrote:


Hi,
I was finally able to get to the site with the light pulsating issue. 
It turns out it is that it directly corresponds to the AC coupled 
SolarEdge HDwave 6kW inverter.  Moreover, the pulsating gets stronger 
with higher output of the SolarEdge inverter (as more sun pouches more 
current through the inverter). And the hum of the XW+ very noticeably 
fluctuates in direct proportion to light fluxuations. It affects all 
the lights in the house, regardless of manufacturer, wattage or age. I 
did not have an oscilloscope, but looking at the Hz, it does sag very 
slightly to 59.9 when the SolarEdge is producing, down from a rock 
solid 60 Hz when the SE is not producing. The output voltage does not 
change at all.  The fluctuations in both the lights and the inverter 
hum immediately stops when the SolarEdge production is shut off. So it 
is clearly some interaction between the 2 inverters causing this issue.


Has anyone dealt with this issue before? Does anyone have any 
suggestions for dealing with this, short of replacing the SolarEdge 
with a Schneider high voltage Charge Controller?


Thanks,

Howie

On Mon, Jul 3, 2023, 7:09 PM Dave Angelini Offgrid Solar via 
RE-wrenches  wrote:


I think I would try eliminating things. Turn off the AC coupling for a 
few days and get results. Turn of DC solar and get results. Measure AC 
voltage with a scope or just observe voltage during the flicker. Are 
all of the lights flickering? Are they on dimmers?  Are there any loads 
failing that could be the source? Is the output with-in spec? Rock 
solid 60 HZ right.


Do an AC bypass of XW with the genset and check for flicker symptoms.

Are they on Insight? Th