Re: [RE-wrenches] Fronius USA available 2023 & 2024 ?

[Tump via RE-wrenches]

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 <http://www.abrahamsolar.com/>
> 
> Landline: 970-731-4675
> Cell phone or for text messaging: 970-946-6584
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Re: [RE-wrenches] Thermal paste for battery connections

[Tump via RE-wrenches]

Sanchem NO-OX-ID "A SPECIAL” is what Ive been using for years. It is conductive 
and works great. Sanchem.com <http://sanchem.com/> it is available from Wesco, 
Graybar, Amazon I usually get the tubes and fill tins for the toolbox, warm the 
tube prior to filling the tins.  
> On Jun 21, 2023, at 11:49 AM, Scot Arey via RE-wrenches 
>  wrote:
> 
> After returning from the NABCEP CEU forum, I am finally getting around to 
> following up on application of thermal paste to battery connections to 
> mitigate corrosion and improve the connection.
>  
> What are the preferred products and is there a generic name that will 
> facilitate my search and purchase?
>  
> 
>  
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Re: [RE-wrenches] Fwd: Schneider SCP / MPPT 80 600 / XW+ / Gateway questions

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Re: [RE-wrenches] Retail price lists

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Re: [RE-wrenches] Old and new Radian

[Tump via RE-wrenches]

What about replacing the AC board?
> On May 10, 2023, at 11:22 AM, Maverick Brown via RE-wrenches 
>  wrote:
> 
> You could find a used not a version of the Radian to Parallel.
> 
> Or you could make the new a version, the master, and only inverter on your 
> main electrical panel and use the old not a version as your generator battery 
> charger and off grid vehicle charger tied to the same existing battery bank. 
> The downside of this technique is that you’ll need a new additional hub and a 
> new additional mate. The upside is you can marry the two mates together in 
> one system on OpticsRE . 
> 
> Thank you,
> 
> Maverick
> 
> 
>> On May 10, 2023, at 10:05 AM, frenergy via RE-wrenches 
>>  wrote:
>> 
>> The wrench list has some very creative thinkers that may have a go 
>> around to be able to master/slave an old Radian's output with a new one.   
>> Outback says this is not do-able.   We're completely off-grid out here and 
>> have been charging EVs (one at a time) with an eleven year old Radian 
>> (GS8048) for years but the Ford Lightning is on its way.  Outback says I 
>> can't add the newer GS8048A to exiting version (no "A").
>> 
>> Ideas??
>> 
>> 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 Cell
>> CA Lic 874049
>> Solar powered since 1982
>> 
>> 
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Re: [RE-wrenches] RE-wrenches] replace part of rolls battery bank

[Tump via RE-wrenches]

I would suggest that adding additional batteries to increase battery voltages 
is fine 48 to 54V or what ever, I too have used this many times on very remote 
sites. Please also increase your inverters hi voltage cut out settings, as this 
can be a real bummer having the system shut down in full sun. 
Another thing; IF you have battery strings,  cables of equal length from each 
string should be connected to a buss bar then buss bar to inverter or 
inverters, this will reduce wiring headaches, voltage drop as well as providing 
equal charging to all strings. (depending on internal resistance).
I would also suggest fewer batteries of bigger cells. My preference is 2 volt 
cells, less holes to water, less copper interconnects. Yeah there heavy but for 
hi charging & discharging, a large battery is always my choice.  OR the 
Surrette 6CS25P has been the MOST reliable battery Surrette has put out. After 
almost 30 + years of installing their batteries this one has been the best. 
They do have a EX series 2 Volt cell that has the same plate thickness as the 6 
CS but I have had issues w/ them. IF you are using the EX 2 volt check the 
polarity PRIOR to installing them & mark the positive side. I have had the 
plastic covers installed incorrectly and it plays havoc on your install.
Yep LEADITE I am, refractometer and a DVOM and I have a client that can spot 
problems way before things become critical. AND that Surrette warrantee Pit 
BULL Mr. Higgins & your client will be very happy when Steve OKs a replacement 
because you have recorded your Spg readings.
My $.02 TUMP
  
> On Apr 5, 2023, at 5:26 PM, greg egan via RE-wrenches 
>  <mailto:re-wrenches@lists.re-wrenches.org>> wrote:
> 
> Danny, My experience is if you are careful and use equal length conductors 
> for all 3 strings you can get good results.  The main problem I have with 3 
> strings of 6 V cells @ 48 vdc is leaving the customer with 72 cells to check 
> and fill.  That's a lot of work if you don't have a watering system.  
> 
> I totally get why you'd want to give them 2 strings in case they lose a 
> battery or 2.  Most of my off grid customers live quite a ways from the 
> battery store and it's not uncommon for it to take a month to get 
> replacements - during the best of times.  
> 
> Another option I've done is give them a string of 25 - 2V cells for a 48V 
> system.   You just set the charging parameters accordingly and go.  That way 
> if they lose a cell or two, the remaining battery bank should be able to keep 
> them limping along until the replacement battery(s) show up.  Need to check 
> and make sure your charge controller and inverter can charge at the slightly 
> higher V but usually that's not a problem.  
> 
> Best,
> 
> Greg Egan
> Remote Power Inc.
> 
> g...@remotepowerinc.com <mailto:g...@remotepowerinc.com>
> 
> 
> 
> Message: 1
> Date: Tue, 4 Apr 2023 20:45:44 +
> From: Daniel Young  <mailto:da...@sesre.com>
> To: "offgridso...@sti.net" <mailto:offgridso...@sti.net> 
>  <mailto:offgridso...@sti.net>, RE-wrenches
>
> <mailto:re-wrenches@lists.re-wrenches.org>
> Subject: Re: [RE-wrenches] replace part of rolls battery bank
> Message-ID:
>   
> 
>  
> <mailto:bl1pr12mb5921cde5991f65fa842bc82cbb...@bl1pr12mb5921.namprd12.prod.outlook.com>
>   
> Content-Type: text/plain; charset="utf-8"
> 
> Thanks all for the advice. I figured it was not worth trying on a different 
> battery brand. I honestly needed to be able to tell them I researched it and 
> asked my peers.
> 
> The client really uses the 3 x strings they have and did not really want to 
> go down to 3. They are currently choosing to get the two Rolls under the 
> prorated warranty, and hopes to get another 2 useful years out of the bank 
> before planning to replace.
> 
> Already prepared him on the cost of the equivalent Li+ at todays prices. So 
> he knows roughly where he is heading.
> 
> Side note: I am in the camp of trying for 2 x strings when possible (agree 
> that 3 x strings is the absolute limit, and not the best option), simply 
> because if a single cell goes bad, I don?t want a client with essentially 
> nothing available until we can get a replacement and get on site. With 2 
> strings, they can make due at least. That?ll go out the window with Lithium 
> though. Looking at Fortress Power for the next battery bank for this client. 
> But we will see what changes in the market by the time it?s needed.
> 
> With Regards,
> --
> 
> Danny Young
> NABCEP PV Installation Professional #031508-90
> Engineering Team Lead
> Solar Energy Solutions
> Lexington | Louisville | Bloomington | Cincinnati | Evansville | Indianapolis
> 513-448-5176 (mo

Re: [RE-wrenches] Old Trace SW inverter connected to the grid.

[Tump via RE-wrenches]

I have neve heard that but I would connect the utility to the AC1 input as the 
window is quite narrow then the grid. The GTI was a piss poor way for trace to 
regulate “sell” current would ramp up & back down all day long. NOT necessary. 
BUT then again that old duffer; SH  probably has more brain cells left then I 
do.  
> On Dec 19, 2022, at 10:27 AM, Chad Waits via RE-wrenches 
>  wrote:
> 
> I thought the SW needed a Grid Tie Interface (GTI) 
> <https://www.altestore.com/store/media/pdfs/xantrex/Grid%20Tie%20Interface%20(GTI)%20Data%20Sheet.pdf>
>  to keep current from leaking out to the grid even if you didn;t want to sell 
> to them...
> 
> Chad Waits
> President - Net Zero Solar
> 945 W. Silverlake, Tucson, AZ 85713
> Cell: (520) 270-4873
> 
> 
> 
> On Mon, Dec 19, 2022 at 8:21 AM David Palumbo via RE-wrenches 
>  <mailto:re-wrenches@lists.re-wrenches.org>> wrote:
> Wrenches,
> 
>  
> 
> I have been retired from doing solar installs for 10 years now and I am 
> reaching out for help as to recommending a solution to an old do-it-yourself 
> customers question.
> 
> His solar system that was formerly off-grid and is now using grid power 
> instead of a back up generator.
> 
> He had/has no intention of doing a net-metered system. Just trying to reduce 
> dependance on a fossil fuel genset during our mostly sunless Vermont winters.
> 
>  
> 
> He says that he brought in power a few years ago to run their expanding maple 
> sugaring operation located next to their house. At that time they ran a 
> 115Vac circuit (grid power) over to their house and connected grid power into 
> AC Hot In terminal #! in their Trace SW 2512. This is correct as I see 
> terminal #2 is labeled for generator power.
> 
> He has the Trace programmed for float mode  not sell mode.
> 
>  
> 
> Their local utility was working on the line nearby on the main road and 
> noticed a small amount of current flowing into the grid and figured out where 
> it was coming from. The utility did not immediately shut him down. Just told 
> him to correct the problem. He is asking me for advice.
> 
>  
> 
> My first inclination is to separate the grid power completely from the 
> inverter power and to feed both power sources into a double pole double throw 
> transfer switch. What other options should be considered.
> 
>  
> 
> Thanks in advance and happy holidays,
> 
>  
> 
> Dave Palumbo
> 
> Formerly > Independent Power & Light
> 
> Hyde Park, VT
> 
> 802-371-8678 voice or text
> 
>  
> 
>  
> 
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
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Re: [RE-wrenches] SMA inverterters with SPS

[Tump via RE-wrenches]

Been waiting on a Fronius for a 3.8kW for 2 months have an older system that 
had a low voltage array that is below the strike voltages of their 
“replacement” inverters…… Ahhhn the joys of Solar installation.
> On Dec 12, 2022, at 10:23 AM, Kirpal via RE-wrenches 
>  wrote:
> 
> Good morning folks!
> Been interesting to see that both SMA and Fronius inverters ar no longer 
> available thru our normal distribution channels.  All their residential 
> models seem to be unavailable with our distributors not having any idea on 
> return to availability.  Anyone know why both of these string inverter 
> options seem to have evaporatedare they gone for good?  
> WE have a client looking to do a system with 3 - 5kW inverters with the SPS.  
> The SPS being the feature they are after.  Anyone have insight into this 
> availability issue or know where to get some of those inverters? Mike Mahon?
> Would appreciate any insight.  
> 
> Thanks. 
> Sunny Regards,
> Kirpal Khalsa
> Oregon LRT#25
> Oregon Solarworks LLC
> www.oregonsolarworks.com <http://www.oregonsolarworks.com/>
> 541-299-0402
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> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] XWPro produces noise at low (<50 W Power)

[Tump via RE-wrenches]

I will agree but despite my frustrations, as long as you update firmware on 
BOTH the insight & the XW PRO inverter it seemed to address at least that 
issue. Once FW updated you must, accessing the config menu on the inverter, go 
to the “control” menu, then go to the reset, select the bottom reset "ALL 
factory defaults”. Once updated reapply grid code & your settings. CYCLE the 
system to operating then back to standby twice to place your settings into the 
“non volatile” memory.
 I find there are a lot of menu settings and would really like to have a flow 
chart that describes settings according to the application of the inverter. Off 
grid uses a certain background color, your settings using an LiFe battery, uses 
a different color  conflicting settings red or so etc.
Paper works better for me as opposed to 2 computers and even then its way to 
easy to enter conflicting settings…. IMO. Im old & not to computer savy.
> On Dec 6, 2022, at 3:03 PM, Eric Smiley via RE-wrenches 
>  wrote:
> 
> Thanks. That was the feedback we already received. I think it is SOP for 
> Schneider to tell you to reinstall firmware and reset to factory - no matter 
> what the problem.
> Fortunately, we have to go back to do some more wor - they are finally 
> receiving their generator. That will give us a chance to recommission the 
> system.
> 
> 
> Eric Smiley, Project Manager
> e...@vecoop.ca <mailto:e...@vecoop.ca>
> T: 250.703.6004 
> T: 888.386.0116 
> VIRIDIANENERGY.CA <https://viridianenergy.ca/>
>  <https://viridianenergy.ca/>
> 
> 
> On Tue, 6 Dec 2022 at 11:45, Tump via RE-wrenches 
>  <mailto:re-wrenches@lists.re-wrenches.org>> wrote:
> I have heard this too. Eric from SE has been cced here and the first thing I 
> was told to due was: Set inverter to bypass (someone needs to be on site, as 
> the inverter will shut off during reboot) Check & update firmware, RESET ALL 
> factory defaults and reenter your grid code. 
>  If you find this a bit confusing, Tech support IS QUITE supportive.
>> On Dec 5, 2022, at 11:52 AM, Eric Smiley via RE-wrenches 
>> > <mailto:re-wrenches@lists.re-wrenches.org>> wrote:
>> 
>> The inverter produces acceptable noise under no-load and at loads above 50 W 
>> or so.
>> The noise (humming/buzzing) increases drastically at low power. So, 
>> essentially it makes a lot of noise at night.
>> Has anyone else encountered this? We suspect it is the transformer vibrating 
>> - some kind of resonance with the inverter enclosure. But it's the first 
>> time we have encountered this.
>> 
>> 
>> Eric Smiley, Project Manager
>> e...@vecoop.ca <mailto:e...@vecoop.ca>
>> T: 250.703.6004 
>> T: 888.386.0116 
>> VIRIDIANENERGY.CA <https://viridianenergy.ca/>
>>  <https://viridianenergy.ca/>
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> 
>> Tump <>3...@gmail.com <mailto:3...@gmail.com>   www.SWNL.net <>
>> 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 / In

Re: [RE-wrenches] XWPro produces noise at low (<50 W Power)

[Tump via RE-wrenches]

I have heard this too. Eric from SE has been cced here and the first thing I 
was told to due was: Set inverter to bypass (someone needs to be on site, as 
the inverter will shut off during reboot) Check & update firmware, RESET ALL 
factory defaults and reenter your grid code. 
 If you find this a bit confusing, Tech support IS QUITE supportive.
> On Dec 5, 2022, at 11:52 AM, Eric Smiley via RE-wrenches 
>  wrote:
> 
> The inverter produces acceptable noise under no-load and at loads above 50 W 
> or so.
> The noise (humming/buzzing) increases drastically at low power. So, 
> essentially it makes a lot of noise at night.
> Has anyone else encountered this? We suspect it is the transformer vibrating 
> - some kind of resonance with the inverter enclosure. But it's the first time 
> we have encountered this.
> 
> 
> Eric Smiley, Project Manager
> e...@vecoop.ca <mailto:e...@vecoop.ca>
> T: 250.703.6004 
> T: 888.386.0116 
> VIRIDIANENERGY.CA <https://viridianenergy.ca/>
>  <https://viridianenergy.ca/>
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] Radian / Flexmax issue

[Tump via RE-wrenches]

ISOLATE ISOLATE ISOLATE. The first thing I would do id disable the Flex net DC, 
next isolate each 12 v battery, ck voltages, load test,  use  any automotive 
battery tester find 4 decent batteries and try again. Have you replaced all the 
com cables? Cheap and w/ the possibility of Lightning strike, its a no brainer. 
I have seen the FNDC cause all sorts of issues due to battery issues. We at one 
time installed quite a few only to have issues w/ batteries that were 
undercharged, customers restarting the system w/ batteries that were not fully 
charged. When rebooted the FNDC is assuming that the batteries ARE FULLY 
CHARGED and have the rated capacity, which usually NOT the case. 
Firmwares versions are easily found in the “system info” in the M3s


> On Oct 26, 2022, at 8:04 PM, Drake Chamberlin via RE-wrenches 
>  wrote:
> 
> Hello All,
> 
> Suzanne Csejtey of Design Energy contacted me with an Outback Radian / 
> Flexmax 80 system problem. I don't know what is going on with this system. 
> Below is her description of the problem. Any help would be appreciated.
> --
> System installed 2014.
> 
> 6.6kW PV, Outback Radian 8048 inverter, (2) x Midnite Classic 200 charge 
> controllers, 600Ah
> Battery bank (12 x 12V 200Ah Outback Energycell ) for backup of 100A aux panel
> 
> It worked great, but the customer was always disappointed that she couldn’t 
> show her system
> online on one screen, because the Midnite charge controllers didn’t talk to 
> the Outback Mate 3.
> In 2017 the charge controllers were changed to (2) x Outback Flexmax 80’s, 
> and problems
> started a couple years after that. The system would shut down at least once a 
> month, start up
> the next day, and the electrician couldn’t find the problem but suspected 
> grid instability. Outback tech support couldn’t help until the system was on 
> OpticsRE, late 2021. Tech support resolved the shutdown issue this year with 
> 2 nd firmware upgrade and a few settings adjusted on Mate3.
> 
> Radian GS8048 updated 2021, verified 8/2022 from tech support but I am not 
> finding the
> firmware number. August 2022 tech support walked through our settings and 
> verified all ok with batteries, CCs. Adjusted Mate3 to establish OpticsRE 
> connection, verified not selling from
> battery/backup only.
> 
> Worked very well until this September when a lightning storm apparently took 
> out the internet
> modem and inverter comms with it. Solar and battery still working. Outback 
> told us to replace
> the Mate3 and Hub, and then the FlexNet DC monitor. Latest firmware update 
> attempted on
> new Mate3s when received, 001.004.007 but it was already installed and ready 
> to go.
> 
> Instead of setting everything up again from scratch after replacing Mate3 
> with Mate3S we
> decided to see if the charge controllers would repopulate the old 
> information, as recommended
> in the Outback forum. Then tried to get help to verify settings from Outback 
> support. Support
> had been very helpful in the past but this time we weren’t so lucky and the 
> person just let us
> know that wasn’t their job and sent a link to the manual. But the batteries 
> appeared to be at
> 100%, set not to sell, backup only, max PV self-consumption. The plan was to 
> find more help to
> verify settings and keep an eye on the system.
> 
> Seemed to be working very well until it went
> crazy last week, when the Mate showed alarm, batteries discharged down to 6%, 
> then up to
> 100%, then everything shut down completely.
> 
> Programming may be a big part of the issue. Also hearing that the age of the 
> AGM batteries may have been a factor, 8 years. That sometimes dying batteries 
> cause odd behavior?
> 
> Thanks in advance.
> 
> Drake
> 
> Drake Chamberlin
> Athens Electric LLC
> Ohio Electrical Contractor’s License 44810
> CO Master Electrician’s License 4526
> NABCEP Certified PV Installation Professional
> 
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Re: [RE-wrenches] SMA alternative?

[Tump via RE-wrenches]

Id like to have your contact at Fronuis for tech support. Im not having much 
luck. Off list is fine. THANKS
> On Sep 29, 2022, at 3:40 PM, Sky Sims via RE-wrenches 
>  wrote:
> 
> Fronius is a quality string level inverter with strong tech support, warranty 
> and service. 
> 
> Sky Sims
> Https://EcologicalSystems.biz
> 
>> On Sep 29, 2022, at 2:53 PM, Hilton Dier via RE-wrenches 
>>  wrote:
>> 
>> Esteemed Wrenches,
>> 
>> I am a long time fan and installer of SMA string inverters. I have a project 
>> right now which is a ground mounted array of 12 Trina 380s, so just over 4.5 
>> kW. 
>> 
>> SMA inverters seem to be unavailable for the foreseeable future. What would 
>> be your recommendations for an alternative? I know it’s unfashionable, but 
>> I’m not a fan of micro inverters. 
>> 
>> Thanks,
>> 
>> Hilton Dier III
>> Renewable Energy Design
>> Missisquoi River Hydro LLC
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>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-wrenches] MPPT voltage changes

[Tump via RE-wrenches]

Schnieder MPPT 100/600 charge controllers have in their menu a place to change 
the “MPPT” voltage setting from 600VDC down to 195VDC. In doing so all it seems 
to do is disable the controller and displays the screens; operating , not 
charging.
I was trying to use this setting as I have a small array, (no room for any more 
then 5) 405 modules) a distance from my batteries. I am old enough to be quite 
aware of “VAPOR WARE” and old enough to know that there may be someone that has 
reset this setting and actually had it function. Manufacture alledges it 
“should work”………..NO white paper or any additional info from SE Solar either. 
Anyone?
> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

[Tump via RE-wrenches]

How many folks require UL listing to install, this may expedite delivery?
> On Jul 8, 2022, at 3:09 PM, Dana Orzel via RE-wrenches 
>  wrote:
> 
> The question was – When might these units be available?
>  
> The first request from the manu. was to get a survey of how many units might 
> get sold per year & responses are still trickling in slowly. 
> Next Tump & I will be in a zoom meeting with the company powers that be & at 
> that point they need to source & design. 
> I would bet it is out aways still depending on equipment 
> choices/availability, testing & UL certification etc.
>  
> I would not even dare to guess but when we ca report back with a date we will 
> do so.
>  
>  
> Dana Orzel -  E - d...@solarwork.com <mailto:d...@solarwork.com> -  C - 
> 208.721.7003 
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Kevin Pegg 
> via RE-wrenches
> Sent: Friday, July 8, 2022 12:59 PM
> To: RE-wrenches  <mailto:re-wrenches@lists.re-wrenches.org>>
> Cc: Kevin Pegg  <mailto:kp...@energyalternatives.ca>>
> Subject: Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY
>  
> Thanks for this – there is certainly demand. I could see my company buying a 
> 3-5 per year. 
>  
> Is there any estimate of timeline when these might be available? 
>  
> Kevin
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Dana Orzel 
> via RE-wrenches
> Sent: June-30-22 11:02 AM
> To: 'RE-wrenches'  <mailto:re-wrenches@lists.re-wrenches.org>>
> Cc: Dana Orzel mailto:d...@solarwork.com>>
> Subject: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY
>  
> Hey now all you off grid designer/installers,
>  
> I just had a conversation with generator manufacturer (name withheld for the 
> moment), about 8-13KW water cooled gensets with UL & LP gas powered. I 
> explained that there is a long time hole in the market since Onan & Kohler 
> dropped their gensets for prime power in this size range.
>  
> If they made the investment to produce & UL certify a 13KW - 1800 RPM - water 
> cooled – 2 wire start, prime power rated - 120/240vac genset, how many off 
> grid systems are being installed with oversized gensets?
>  
> If this was available how many units would each of you be interested in per 
> year? I am not asking for a commitment just a market survey for this sized 
> unit.
>  
> If there was 20-30 companies selling 4-5+ each per year this might be a 
> possibility.
>  
> Let me know either off list or on list (if this is OK ? Michael let us know) 
> & I hope there is a possibility here for more appropriately sized & available 
> gensets for our off grid client systems.
> I will be passing along this research to the OE manufacturer. If you do not 
> want your name passed along let me know for now.
>  
>  
>  
> Dana Orzel  Great Solar Works, Inc. 
> C - 208.721.7003   d...@solarwork.com 
> <mailto:d...@solarwork.com>
> Idaho Contractor - # 028765 Idaho PV # 028374
> NABCEP # 051112-136   www.greatsolarworks.com 
> <http://www.greatsolarworks.com/>
> "Responsible Technologies for Responsible People since 1988"  
>  
> P Please consider the environment before printing this email.
>  
>  
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Re: [RE-wrenches] Small Industrial Propane Generators

[Tump via RE-wrenches]

Wildcat Generators in Kansas, you can call Kandi, CCed here. Recently they said 
that the smaller air-cooled gen motors are impossible to get. But things may 
have changed.
Kandi Roeser
Director of Customer Service
(480) 677-0737
kandi.roe...@wildcatpowergen.com <mailto:kandi.roe...@wildcatpowergen.com>
> On Jun 29, 2022, at 10:39 AM, Mac Lewis via RE-wrenches 
>  <mailto:re-wrenches@lists.re-wrenches.org>> wrote:
> 
> Hello Wrenches,
> 
> Does anyone have a recommendation for a small, industrial propane generator? 
> Something rated for prime power with reliable starting.  I need it in the 
> 12-20kW range.  Hard to find them this small.
> 
> Thanks in advance
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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"We must all learn to live together as brothers,
 or we all will perish as fools."
MLK







> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] Ideas and racking systems for "stowing" ground mount PV array during snowy winter?

[Tump via RE-wrenches]

t sponsored by Redwood Alliance
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] Mate3s hangups

[Tump]

   
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  -- 

  

  
     
                            Christopher
Warfel
                 
 ENTECH Engineering, Inc.
  PO Box 871, Block
Island, RI 02807
                     
                                       
401-466-8978
  
  
  

  

  

  

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-- 

  
  
  

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

-- 
  
  

  

  


                    
              Christopher Warfel
                 ENTECH
  Engineering, Inc.
PO Box 871, Block Island, RI
  02807
                           
                                  401-466-8978



  

  

  

  
___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
Tump3...@gmail.com       www.SWNL.net            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] burnt wire

[Tump]

I would agree loose or not retightened connection. We use ferrels and Cobra X 
Flex # 6 awg wire, great to work with and those fine strands within the ferrels 
compress much better then Cu. 
> On Jan 31, 2022, at 9:00 PM, Maverick Brown  <mailto:maver...@mavericksolar.com>> wrote:
> 
> Looks like the wire was not completely seated in the back of the terminal 
> before the set screw was tightened, the set screw grabbed a strand or two and 
> felt as though it was tight, etc. or the screw wasn’t tightened enough. The 
> resistive connection led to a lot of heat causing the insulation to burn. I 
> prefer using ferrules on those big terminals when using smaller than maximum 
> size wire. 
> 
> Maverick Brown
> Off-Grid Solar Commander since 2006
> Maverick Solar Enterprises, Inc.
>  • Solar Commander Remote Power
>  • SunFlow Systems Cathodic Protection 
> maver...@mavericksolar.com <mailto:maver...@mavericksolar.com>
> 512-460-9825
> 
> 
>> On Jan 31, 2022, at 7:51 PM, Dave Tedeyan > <mailto:d...@sungineersolar.com>> wrote:
>> 
>> 
>> Hi All,
>> 
>> I was troubleshooting a Schneider system today (not my install, so I don't 
>> know the history) and came across a wire where the insulation actually burnt 
>> off. See the attached photo. I have never seen anything like it. Does anyone 
>> know how this could happen? It was a Conext MPPT 80 600 charge controller 
>> going to a 100A breaker, with what appears to be #2 CU wire. This is in a 
>> heated shed, and there is no evidence of water leakage. The charge 
>> controller was still working just fine. And it was only that last 6" or so 
>> of the wire, the rest of it appeared to be fine.
>> 
>> Cheers,
>> Dave
>>  
>> -- 
>>  <https://www.sungineersolar.com/>   
>> Dave Tedeyan, P.E.
>> Owner | Sungineer Solar
>> p: he | him | his
>> a: 1653 Slaterville Rd. | Ithaca, NY 14850
>> w: www.sungineersolar.com <http://www.sungineersolar.com/>
>> c: (607) 288-2898
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"We must all learn to live together as brothers,
 or we all will perish as fools."
MLK







> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> Solarwinds Northernlights   
>Serving Mid Coast Maine & Northern California
>  207-832-7574   Cl. 610-517-8401  
> 
>   

Re: [RE-wrenches] Well siphon?

[Tump]

gt; On Thu, Jan 27, 2022 at 3:51 PM William Miller >>> <mailto:will...@millersolar.com>> wrote:
>>>> Colleagues:
>>>> 
>>>>  
>>>> All of our water pumping customers to date have been pumping water to 
>>>> tanks higher in elevation than the well-head.  Just now I am looking at a 
>>>> system pumping to a pond that is lower than the well-head and lower even 
>>>> than the bottom of the well.  The 300’ well has the head at 1200’ 
>>>> elevation and pumping to a pond at 800’ elevation.  The line goes over a 
>>>> 1500’ ridge.  If there were nothing impeding the water flow, would it not 
>>>> siphon to the pond?
>>>> 
>>>>  
>>>> Has anyone seen the basic physics available being used to advantage?
>>>> 
>>>>  
>>>> Thanks in advance.
>>>> 
>>>>  
>>>> William
>>>> 
>>>>  
>>>> Miller Solar
>>>> 
>>>> 17395 Oak Road, Atascadero, CA 93422
>>>> 
>>>> 805-438-5600
>>>> 
>>>> www.millersolar.com <http://www.millersolar.com/>
>>>> CA Lic. 773985
>>>> 
>>>>  
>>>>  
>>>> 
> 
> 
>  
> <https://www.avast.com/sig-email?utm_medium=email_source=link_campaign=sig-email_content=emailclient_term=icon>
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] High Voltage Breakers for Conext Mppt-80-600

[Tump]

I use the SQD fused disco I mount this next to the CC and use the Flex cobra 
wire for the low DC voltage and the do have breakers for the context for that
> On Jan 25, 2022, at 7:04 PM, Tom Duffy  wrote:
> 
> Hi Mike
>  
> No breakers I know of that fit the Conext boxes but you could use a MidNite 
> Big Baby and a MidNite 600 volt breaker in it or even a touch safe 1000 volt 
> fuse and holder they’re DIN rail
>  
> Tom Duffy
> Senior Solar Design Engineer
>  
> Supply chain crunches brought on by the pandemic and Omicron’s toll on the 
> workforce are causing shortages of goods. Most analysts agree that rising 
> prices — not just in the US, but also across the world — are largely 
> consequences of the Covid-19 crisis rather than policy errors by governments 
> or central banks.
> Infectious waves have closed factories in Asian manufacturing hubs and caused 
> chaos in transporting products to US markets, creating a spike in demand. 
> Also Americans have cash to burn after two years of canceled vacations, 
> closed restaurants and working from home, a major factor supercharging the 
> price surge. 
> 
> t...@solar-biz.com <mailto:t...@solar-biz.com>
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> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Michael 
> Morningstar
> Sent: Tuesday, January 25, 2022 1:02 PM
> To: RE-wrenches  <mailto:re-wrenches@lists.re-wrenches.org>>
> Subject: [RE-wrenches] High Voltage Breakers for Conext Mppt-80-600
>  
> Wrenches,
>  
> Can anyone direct me to PV input breakers that are rated up to 600VDC that 
> would work in a Conext Distribution Panel? From what I can tell, Schneider 
> only offers breakers up to 160VDC.
>  
> Thanks,
> Michael
>  
>  
> 
>  
>   Michael Morningstar
>  
>   Morningstar Electric
>   PO Box 1494
>   Mount Shasta, California 96067
>   530-921-0560
>   CSLB 949635
>  
>   
>  
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>     MAINE'S CHARTER 
> 

Re: [RE-wrenches] Solar Insure feedback

[Tump]

Manufactures aren’t around for 10 + years, module manufactures haven’t had a 
consistent frame size ever, plus in 30 years are you going to want to try to 
replace/fit a round peg into a square hole. Quality workmanship, follow up w/ 
the client, & a maintence agreement, is (IMO) the highest bar one can achieve.

On Jan 20, 2022, at 3:26 PM, Stuart Kriendler  wrote:
> 
> Good day Wrenches,
> 
> Has anyone had any experience with Solar Insure and their 30 year parts and 
> labour warranty program?
> 
> https://www.solarinsure.com/ <https://www.solarinsure.com/>
> 
> We are considering including this product/service in our contracts to 
> continue to raise the bar for quality service and peace of mind.
> 
> Apparently Solar Insure has been around for 15 years but I haven't spoken to 
> many installers with direct experience with them.
> 
> Looking forward to hearing any feedback, good or bad, especially any red 
> flags.
> 
> Healthiest regards,
> Stuart
> -- 
> Stuart Kriendler  |  Managing Director 
> 
> 48 St. Johns Road, Pembroke, HM 07, Bermuda 
> C: 1.441.599.2105 |O: 1.441.279.5907 
> |www.BEsolar.bm <http://www.besolar.bm/>
> 
>  <http://www.besolar.bm/>
> 
> OUR VISION: An efficient Bermuda powered by affordable renewable energy. 
> OUR MISSION: To provide the highest quality energy solutions accessible to 
> all.
> 
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>  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] Sol-Ark AC Coupling Issues

[Tump]

es.org/etiquette.htm>
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>> 
>> Vince McClellan <mailto:vi...@solarenergydesign.com>  January 19, 2022 at 
>> 3:15 PM
>> Is anyone on the list familiar with AC coupling Sol-Ark inverters?
>>  
>> We haven't been able to AC couple an existing Outback Radian system to a new 
>> system that we built with 3, Sol-Ark 12K inverters and 3, Blue Ion 
>> batteries. Each time we have tested the system the Sol-Ark inverters accept 
>> the power from the Radian inverter until we turn on the DC power from the 
>> new solar array to the Sol-Ark inverters. As soon as there is significant DC 
>> power coming from the solar array the Sol-Ark inverters freq-watt turns on 
>> for a brief second and disconnects the Radian inverter even when the Blue 
>> Ion batteries are below the programmed state of charge threshold. If we 
>> don't turn on the DC power from the new solar array the Radian will connect 
>> and stay connected. 
>> 
>> We have been working with Sol-Ark for several months now to get this system 
>> to accept the incoming power from the Radian without freq-watt kicking in on 
>> the Sol-Ark inverters and disconnecting the Radian inverter. Sol-Ark has 
>> sent two software revisions to the Sol-Ark inverters and we are still 
>> experiencing the same problem. 
>> 
>> Can anyone think of what we might be missing and where to direct our 
>> troubleshooting efforts next? 
>> 
>> Thanks, 
>> 
>> Vince McClellan
>> Energy Design
>> NABCEP PV Installation Professional
>> p. (541) 485-8122   f. (541) 338-8202 
>> 
>> 
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>
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Re: [RE-wrenches] Conext XW Pro Compatible Generators?

[Tump]

Ive had more issues w/ propane gen sets here, then diesel, in the cold NE but, 
having been doing this for 30+  years, we’ve figured work arounds. We usually 
go w/ propane because the rest of the clients infrastructure is set up for 
propane. AND I don’t stink of diesel when the client hasn’t change the fuel 
filters or oil. Carb heaters, indoor enclosures w/ thermostatically controlled 
louvers, + 0 weight oil.  We always used the MQs or the Wackers in Humboldt, 
Ca. Bullet proof as long as one is aware of the alternator to engine crank 
bearing life span.
> On Jan 18, 2022, at 1:51 PM, Michael Morningstar  <mailto:mjmornings...@gmail.com>> wrote:
> 
> I’ve installed Hundreds upon hundreds of diesel generators at elevation here 
> in the mountains of NorCal. Temps down to -15F. None have needed block 
> heaters. For under 40KW, Wrico International. Growers were getting 20-40K 
> hours out of them. They are open frame. MQ Power for an off the shelf 
> enclosed gen-set. Ray is correct in that there aren’t any decent (low rpm, 
> liquid cooled) propane generators. We won’t touch the disposable propane 
> generators like the Kohler RES and Genercrap equivalents. Oh, Wrico does 
> build legit <15kw propane generators…..they cost 14K
> 
> 
>> On Jan 18, 2022, at 10:15 AM, Ray > <mailto:r...@solarray.com>> wrote:
>> 
>> I won't go less than double the inverter rating anymore with gensets.  So 
>> the Kohler 12 kW is probably the lowest cost, decent match for the XW.  
>> Otherwise you're just over working the genset, which usually aren't designed 
>> for continuous duty.  It keeps the voltage stable enough to not disconnect 
>> when a surge (like that sewage pump) comes on.
>> 
>> As far as 1800 rpm, I don't know anything under 20 kw in propane.  The fuel 
>> consumption of a 20kw at 25% is very comparable to the 12kW at 50%.  I've 
>> been considering diesel, but just always have been worried about cold 
>> starting in the mountains.
>> Ray Walters
>> Remote Solar
>> 303 505-8760
>> On 1/18/22 9:17 AM, Tump wrote:
>>> Ray I would love to know which larger propane gen set you are suggesting. 
>>> 1800 or 3600 rpm. Air cooled or water cooled.  To my knowledge there are 
>>> very few L cooled 1800 rpm gen sets in the 12-15kW range. T
>>>> On Jan 17, 2022, at 11:11 PM, Ray >>> <mailto:r...@solarray.com>> wrote:
>>>> 
>>>> I have a question: why so small a generator?  I've always regretted under 
>>>> sizing the genny for battery charging.  Larger gensets are not as fuel 
>>>> hungry as you might think.  I was surprised recently when I did some 
>>>> calcs, and found that a larger genset would actually get slightly better 
>>>> fuel consumption at the proposed load.  
>>>> Plus the larger gensets are usually built to last longer than the portable 
>>>> stuff.
>>>> Ray Walters
>>>> Remote Solar
>>>> 303 505-8760
>>>> On 1/17/22 5:33 PM, Jeff Clearwater wrote:
>>>>> Hello Again All,
>>>>> 
>>>>> Or I'd consider suggesting propane to the customer as well.  Any 
>>>>> experience with know compatibles in propane?
>>>>> 
>>>>> txnks
>>>>> 
>>>>> jc
>>>>> 
>>>>>> Jeff Clearwater <mailto:je...@villagepowerdesign.com> January 17, 2022 
>>>>>> at 1:29 PM
>>>>>> Thanks All,
>>>>>> 
>>>>>> Aren't there any 5-8 KW gas gennys out there already set up for 2-wire 
>>>>>> start?  We do that all the time with bigger units.
>>>>>> 
>>>>>> Thanks again!
>>>>>> 
>>>>>> Best,
>>>>>> 
>>>>>> jc
>>>>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/>
>>>>> 
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>>>> 
>>>> There are two list arc

Re: [RE-wrenches] Conext XW Pro Compatible Generators?

[Tump]

Ray I would love to know which larger propane gen set you are suggesting. 1800 
or 3600 rpm. Air cooled or water cooled.  To my knowledge there are very few L 
cooled 1800 rpm gen sets in the 12-15kW range. T
> On Jan 17, 2022, at 11:11 PM, Ray  wrote:
> 
> I have a question: why so small a generator?  I've always regretted under 
> sizing the genny for battery charging.  Larger gensets are not as fuel hungry 
> as you might think.  I was surprised recently when I did some calcs, and 
> found that a larger genset would actually get slightly better fuel 
> consumption at the proposed load.  
> Plus the larger gensets are usually built to last longer than the portable 
> stuff.
> Ray Walters
> Remote Solar
> 303 505-8760
> On 1/17/22 5:33 PM, Jeff Clearwater wrote:
>> Hello Again All,
>> 
>> Or I'd consider suggesting propane to the customer as well.  Any experience 
>> with know compatibles in propane?
>> 
>> txnks
>> 
>> jc
>> 
>>> Jeff Clearwater <mailto:je...@villagepowerdesign.com> January 17, 2022 at 
>>> 1:29 PM
>>> Thanks All,
>>> 
>>> Aren't there any 5-8 KW gas gennys out there already set up for 2-wire 
>>> start?  We do that all the time with bigger units.
>>> 
>>> Thanks again!
>>> 
>>> Best,
>>> 
>>> jc
>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/>
>> 
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] Transmitting 15kW 3600ft Off Grid.

[Tump]

Aluminum wire…….
> On Jan 10, 2022, at 2:53 PM, August Goers  wrote:
> 
> 3600 feet is 0.68 miles. That's a long distance. I totally agree with Ray's 
> suggestion that a second system is probably a better option. 
> 
> August
> 
> 
> On Mon, Jan 10, 2022 at 11:49 AM Tump mailto:t...@swnl.net>> 
> wrote:
> Hey this is exactly everything I was going to say. Ahh the new owner, the 
> dentist he’s a real piece of work. You got your spring vacation, on him, you 
> got paid and now you want to go back? Hummm lets see installation for a MR. 
> know it all, 500+ miles from home and you’re now going to use a transformer 
> AND all wire on an island in salt water. Wow must be some good smoke. Dan YOU 
> KNOW BETTER!
>> On Jan 10, 2022, at 8:37 AM, Pieter Huebner > <mailto:pie...@offgridenterprises.org>> wrote:
>> 
>> It sounds like you are working on an Island near Jones port Maine ( Norton 
>> Island). The site had or has a Bergey 7.5kw XL-R wind turbine, on a tilt 
>> tower which is almost impossible to tilt, a solar array on a stacked log 
>> tower, Kubota generator, flooded cell lead acid batteries and Outback 
>> Inverters. Your assessment of the system is 100% correct, bad workmanship, 
>> and little or no maintenance. The original design was poorly thought out as 
>> well. The poor workmanship was not limited to the energy system, the 
>> electrical infrastructure had issues as well. The original installer was in 
>> way over his head. I have been to that site at the bequest of the original 
>> owner to repair the wind turbine years ago.
>> My suggestion is that you evaluate the existing equipment 
>> and infrastructure, and salvage what you can then start with a fresh sheet 
>> of paper. The electrical loads need to be mapped, for example the original 
>> owner had a hot tub at the main house.
>> The site would lend itself well to a micro grid system. if you like we can 
>> have long discussions about this site and I will be happy to share what I 
>> know about it as well as share my experiences with AC and DC distribution 
>> for off grid sites.
>> Pieter
>>  
>> 
>>  
>> From: RE-wrenches > <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Foxfire 
>> Energy
>> Sent: Monday, January 10, 2022 5:35 AM
>> To: re-wrenches@lists.re-wrenches.org 
>> <mailto:re-wrenches@lists.re-wrenches.org>
>> Subject: [RE-wrenches] Transmitting 15kW 3600ft Off Grid.
>>  
>> Hi Guys, Got a good one for you.. We were tasked to refurbish a Stand Alone 
>> (aka Off Grid) power system on a 100 acre private resort island off the New 
>> England coast a few years back.. The system has a 12kW(AC)/ 48VDC power 
>> center (@120/240VAC) with a 10kW Bergey wind turbine, 3kW of Solar and a 
>> 12kW Diesel Generator.. It currently powers two main lodges and 10 private 
>> cabins.. The system was never installed properly and had significant damage 
>> when we got there (no system ground, evidence of several lightening strikes, 
>> open/corroded connections, and poor workmanship in general)
>> The new owners want to build a third lodge at the other end of the island.. 
>> Some 3600ft away, and want to feed full power from the existing system to 
>> the new lodge.. Thing is, the new owner is pretty brainy (keeps me on my 
>> toes).. My first thought was to bump the 120/240VAC up to 480VAC and send it 
>> on like 4/0AL and back down to 120/240VAC at the new lodge (we've done it 
>> before).. The new owner wants to launder the AC to DC and back for 
>> transmission.. Says DC for transmission is the new Cats Pajamas because of 
>> the efficiency.. News to me.. Anyone have experience with DC for 
>> transmission? Again.. I'm shooting for 15kW (including 25% for continuous 
>> duty), 3600ft, 600V wire (but could go with a different wire) and a line 
>> loss under 5%. TIA db
>>  
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Re: [RE-wrenches] Transmitting 15kW 3600ft Off Grid.

[Tump]

Hey this is exactly everything I was going to say. Ahh the new owner, the 
dentist he’s a real piece of work. You got your spring vacation, on him, you 
got paid and now you want to go back? Hummm lets see installation for a MR. 
know it all, 500+ miles from home and you’re now going to use a transformer AND 
all wire on an island in salt water. Wow must be some good smoke. Dan YOU KNOW 
BETTER!
> On Jan 10, 2022, at 8:37 AM, Pieter Huebner  
> wrote:
> 
> It sounds like you are working on an Island near Jones port Maine ( Norton 
> Island). The site had or has a Bergey 7.5kw XL-R wind turbine, on a tilt 
> tower which is almost impossible to tilt, a solar array on a stacked log 
> tower, Kubota generator, flooded cell lead acid batteries and Outback 
> Inverters. Your assessment of the system is 100% correct, bad workmanship, 
> and little or no maintenance. The original design was poorly thought out as 
> well. The poor workmanship was not limited to the energy system, the 
> electrical infrastructure had issues as well. The original installer was in 
> way over his head. I have been to that site at the bequest of the original 
> owner to repair the wind turbine years ago.
> My suggestion is that you evaluate the existing equipment and 
> infrastructure, and salvage what you can then start with a fresh sheet of 
> paper. The electrical loads need to be mapped, for example the original owner 
> had a hot tub at the main house.
> The site would lend itself well to a micro grid system. if you like we can 
> have long discussions about this site and I will be happy to share what I 
> know about it as well as share my experiences with AC and DC distribution for 
> off grid sites.
> Pieter
>  
> 
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Foxfire 
> Energy
> Sent: Monday, January 10, 2022 5:35 AM
> To: re-wrenches@lists.re-wrenches.org 
> <mailto:re-wrenches@lists.re-wrenches.org>
> Subject: [RE-wrenches] Transmitting 15kW 3600ft Off Grid.
>  
> Hi Guys, Got a good one for you.. We were tasked to refurbish a Stand Alone 
> (aka Off Grid) power system on a 100 acre private resort island off the New 
> England coast a few years back.. The system has a 12kW(AC)/ 48VDC power 
> center (@120/240VAC) with a 10kW Bergey wind turbine, 3kW of Solar and a 12kW 
> Diesel Generator.. It currently powers two main lodges and 10 private 
> cabins.. The system was never installed properly and had significant damage 
> when we got there (no system ground, evidence of several lightening strikes, 
> open/corroded connections, and poor workmanship in general)
> The new owners want to build a third lodge at the other end of the island.. 
> Some 3600ft away, and want to feed full power from the existing system to the 
> new lodge.. Thing is, the new owner is pretty brainy (keeps me on my toes).. 
> My first thought was to bump the 120/240VAC up to 480VAC and send it on like 
> 4/0AL and back down to 120/240VAC at the new lodge (we've done it before).. 
> The new owner wants to launder the AC to DC and back for transmission.. Says 
> DC for transmission is the new Cats Pajamas because of the efficiency.. News 
> to me.. Anyone have experience with DC for transmission? Again.. I'm shooting 
> for 15kW (including 25% for continuous duty), 3600ft, 600V wire (but could go 
> with a different wire) and a line loss under 5%. TIA db
>  
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Re: [RE-wrenches] Fair price for an obsolete component

[Tump]

enches.org/etiquette.htm>
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Re: [RE-wrenches] Older Flush Mount Sub-panel

[Tump]

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> 
> Peter T. Parrish, Ph.D.
> President, SolarGnosis
> 1107 Fair Oaks Blvd Ste. 351
> South Pasadena, CA 91030
> (323) 839-6108
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>
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>   Trace Xantrex "Certified" Dealer / Installer"
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Re: [RE-wrenches] Affordable 48v chargers, Phocos Anygrid

[Tump]

Victron seems to migrated to having their products sold by & supported by 
others, their customer service has taken a turn for the worse. That being said, 
they do have a 48VDC charger the Skylla TG48/50 The input range is 185-264 vac 
@ 45-65 Hz, so balancing your gen isn’t an issue but the 50 A charge might be a 
bit limiting. I have used these in the past and they do work well.
The straight Skylla 24VDC chargers can be paralleled but it does not appear 
that the 48 TG series can be. Perhaps asantosb...@victronenergy.com might be 
able to address this in more detail.
> On Nov 9, 2021, at 7:09 PM, Nick A Lucchese  wrote:
> 
> Greetings Wrenches,
> 
> With the large majority of my installations being full time off grid and 
> LiFePO4 solutions I am more frequently observing that quite a few of my sites 
> can make more use of their generator’s output if there was additional 
> charging resources available. I’m fully aware of the problems of adding load 
> on the generator that the main inverter/chargers cannot detect. For obvious 
> reasons the most elegant solution would be to parallel additional inverters 
> so that all the devices can work and communicate together but with some 
> reasonable strategies and planning I believe I can still come up with some 
> good solutions to charge the batteries up faster and not have to buy an extra 
> Radian or VFX every time I need to do so. At the very least I intend to 
> employ one of these solutions at my neighbor’s so that the amount of noise 
> pollution that hits my head this winter is reduced somewhat. 
> 
> Has anyone else found a go to 48v charger for these scenarios? Seems like the 
> larger high current chargers for industrial batteries lack the 
> programmability I desire and cost similar to inverter/chargers. I’ve had a 
> lot of experience with Iota over the years but would rather have something 
> with higher current output and programmability. Right now it appears that the 
> Phocos Anygrid may be a pretty decent option particularly on a cost/amp 
> charger comparison. The 48v 5KW unit apparently employs up to 80 amps dc of 
> charging. Sites with imbalance concerns would need to add a step down 
> transformer to keep things balanced on the generator so I do realize there is 
> that additional expense as well. This would be the first time I’ve played 
> with this particular inverter which makes it even more ideal if I employ it 
> at my neighbor’s where I can hike over to observe and fine tune. Idle 
> consumption is kinda high so there would definitely be additional order of 
> operation required to initiate charging but I do feel the benefits of greater 
> fuel efficiency outweigh the hassles. This project aside I am quite intrigued 
> by this inverter’s unique offerings in the way that it can be deployed. If 
> anyone else has any feedback regarding the Anygrid I’d love to hear it.
> 
> Also, I’m not very familiar with Victron’s products nor how they’re priced. 
> Perhaps they’ve got some affordable chargers or inverter/chargers? Midnite 
> DIY series, I’m a little confused as to how their chargers are rated or if 
> the 48v version is even available right now? The price sure is nice.
> 
> Thanks for the input and wisdom as always, Nick
> 
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Re: [RE-wrenches] Radian 8048's shutting down on generator stop

[Tump]

I would check at what voltage the Generator AC input set points are at. If the 
generator AC disconnect voltage is set to low say 100V then the inverters stay 
connected to that voltage then unlatch. Perhaps you are seeing a voltage spike 
at that time. Meters will show spikes not averages.
> On Nov 2, 2021, at 4:46 PM, Jason Szumlanski 
>  wrote:
> 
> Whoa! I just got access to his OpticsRE. It says battery voltage reached as 
> high as 66V!!! (48V Nominal). I don't know if that's true yet or a acrtually 
> voltage metering issue. But it appears that when the generator stops the 
> invert mode kicks in and immediately shuts down due to high battery voltage. 
> I guess the inverters were coming back alive when the voltage settled to the 
> normal range. But the homeowner reports that when he manually restarts the 
> system the battery is around 54V. I'm not sure how long after the shutdown 
> this occurs.
> 
> So at this point I told him he needs to be very careful and make sure he's 
> not cooking the batteries by testing with a volt meter during charging to see 
> what's really going on.
> 
> I'm concerned because the FNDC, both GS8048s and both FM100s all report 
> abnormally high battery voltage. That suggest that the voltage is actually 
> that high. But the charger setpoints are clearly set to defaults for absorb 
> and float. I don't know why the voltage would blow past the setpoints. 
> 
> I misspoke in my initial email. He has AGS voltage start and SOC start set 
> up. 
> 
> 
> 
> 
> On Tue, Nov 2, 2021 at 3:09 PM Jason Szumlanski 
>  <mailto:ja...@floridasolardesigngroup.com>> wrote:
> I have a client (DIY) who has dual 8048's and he is starting the generator 
> using both high load and low voltage settings with the AGS. It worked 
> flawlessly for 9 months. Then for a couple of months when the generator shut 
> down the lights would flicker. Eventually it started shutting down his loads 
> completely for a couple of minutes and it would start back up automatically. 
> Now when the generator shuts down the inverters shut down and need to be 
> restarted manually. 
> 
> He said there is an error code but he never wrote it down.
> 
> Any ideas given the sequence of events?
> 
> Lead acid batteries. 20kW generator. Despite it being DIY from an online 
> wholesaler, he did hire a licensed electrician and that electrician consulted 
> with me a bit prior to installation, so it's a pretty good job. I'm thinking 
> it's an internal Radian setting or fault causing this. 
> 
> Jason Szumlanski
> Florida Solar Design Group
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>  MAINE'S CHARTER 
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>
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>   Trace Xantrex "Certified" Dealer / Installer"
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Re: [RE-wrenches] Trace SW repair assistance

[Tump]

Pretty easy fix, thermositor probably can be bought from Kris at TEKRIS power 
or Kris Stone. Probably the hardest thing about this repair is getting it off 
the wall. Tump
> On Oct 29, 2021, at 11:59 AM, Lloyd Hoffstatter 
>  wrote:
> 
> Hello Kurt,
>  
> Craig Wilburn at Phantom Power Services should be able to help.
> 425-501-7280
> https://phantompowerservices.com/ <https://phantompowerservices.com/>
>  
> Best of luck,
> Lloyd
>  
> Lloyd Hoffstatter
> Sunstruck Consulting
>  
>  
>  
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
>  
> From: Kurt Albershardt <mailto:rewre...@sw-ei.com>
> Sent: Friday, October 29, 2021 11:46 AM
> To: RE-wrenches <mailto:re-wrenches@lists.re-wrenches.org>
> Subject: [RE-wrenches] Trace SW repair assistance
>  
> Good morning, all.
> 
> Long time no write.
> 
> We have a client with an SW4024 that recently suffered a lightning hit.  The 
> inverter is actually working fine (those things were truly tough) but the 
> cooling fan now runs continuously.
> 
> The SW design team long ago scattered to the winds of Outback, Midnight, etc. 
> Schneider is clueless.  Anyone have a pointer to someone who might be able to 
> assist with schematics or guidance on an emergency repair?
> 
> We're planning to replace the unit next spring, when the sun is back in all 
> of its glory.
>  
>  
> thank you~
>  
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>   NABCEP"Certified PV Installer" 
>
>     MAINE'S CHARTER 
>   Trace Xantrex "Certified" Dealer / Installer"
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Re: [RE-wrenches] Small diesel generator

[Tump]

One of the issues you have in Ca. is the ARB (air resources board) so sometimes 
getting a genset from out of state can be a pain.
I have used the Kobota 7k works well, the usual time spent wiring in the Ack, 2 
wire start mod. I have also used the QD Diesel RV genset from Onan and found 
that too, while a bit $$$, it works well.
> On Oct 21, 2021, at 12:56 AM, frenergy  wrote:
> 
> We 're looking into pairing a smaller 6-8KW diesel generator back -up to an 
> off-grid Outback system to take advantage of the surplus of bio-diesel here. 
> We're aware of the need to keep it a warmish winter location Suggestions? 
> Experiences? No China knock-offs thank you.
> 
> Bill
> 
> Feather River Solar Electric
> Bill Battagin, Owner
> 4291 Nelson St.
> Taylorsville, CA 95983
> 530.284.7849
> CA Lic 874049
> Solar powered since 1982
> 
> 
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> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
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>  207-832-7574   Cl. 610-517-8401  
> 
>   Blair "TUMP" May
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>
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Re: [RE-wrenches] Exploding RSD Unit

[Tump]

I would once again say that; we as an industry can influence not only the 
writing of the code but with what we are buying OR not buying.
If the devices we are required to install to make things “more safe & 
reliable”, at the cost of our livelihoods & reputations, we all need to make 
the folks that are building the RSD crap and those who require installation of 
questionably safe & reliable crap aware of these problems.
WE can thru either going to the code development  meetings AND NOT buying or 
installing this stuff. Not too easy when a huge amount of solar is rooftop 
installs. As many of the installers in the NE know its not a single level ranch 
were installing this stuff on, short season & man lift required.
Tell your supplier why you are not buying that brand, let  your supplier & 
folks on the list what manufacture has good reliable products AND tech support 
that we can understand, who we can get in a timely fashion, and get the 
satisfaction of a prompt replacement.  IF we don’t sell it they won’t have a 
job or a market.
> On Aug 26, 2021, at 2:09 PM, Jeremy Coxon  wrote:
> 
> Carl,
> 
> Did you get any kind of joy out of APSmart on that failure?  
> 
> I will say that their tech support guy did at least try to be helpful, but 
> the language barrier was really really steep and their distribution channels 
> are less than ideal.  Their response to a request for compensation was that 
> they would not be profitable if they had to pay for truck rolls for such a 
> low cost item.  I really don’t think they GET IT.  We’ve been in business for 
> over 16yrs and this one failure could easily have ended that run.
> 
> I cannot imagine we’re alone here.  I was told by AP that their failure rate 
> was 0.2%. Now, I come from a reliability engineering background in petro 
> chemical/ big pharma where a 0.2% failure rate would be catastrophic.  Can 
> you imagine that 2 out of every 1000 pills made could cause death?  We 
> engineered secondary systems and multiple quality checks to contain 
> catastrophic consequences for components that had know failure rates higher 
> than acceptable values.  A simple solution to this fire initiation issue 
> would be a metal enclosure instead of plastic casing.  That still doesn’t 
> really solve the problem of extra connections though.
> 
> Best Regards,
> Jeremy Coxon NABCEP # 091308-21
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> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>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] 600 vDC Breakers

[Tump]

The 600 V is the input side of things so the old stand by Square D H361B is 
what we use for the input the CC’s output OCDs are 125Vdc
> On Aug 9, 2021, at 11:16 PM, Howie Michaelson  
> wrote:
> 
> Hi all,
> I have not used the XW 100Amp 600vDC Charge Controller before, but have an 
> occasion to use it now. Any feedback on it?  Also, what are folks using for 
> Overcurrent Devices? The only 600vDC breakers I've found are the Modnite's 
> and only 16 or 20 amps (looks like I need either a 30 or 40 Amp - preferably 
> - breaker as it will be in a Conext PDP).
> Thanks,
> Howie
> Howie Michaelson
> Sun Catcher
> NABCEP Certified Solar PV Installer™
> 
> Solar Electric Systems Sales & Service
> 802-272-0004
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>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>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] How Best to Load Test 2 V Cells

[Tump]

IT is actually a MIDTRONICS, designed to  test  the Siemens & record.  
Fluke 500 Series Battery Analyzer is another one.

I would call Bert Rohas @ 972-456-4626  TRS rentco. 730 central time. I have 
found this company great to deal with. I often use there power analyzers for 
problem clients & utilities.

> On Jul 14, 2021, at 5:49 PM, Tump  wrote:at 
> 
> I do have a Megatron  battery tester that does test internal resistance whit 
> voltage present.  The battery Manu usually has that information. When I get 
> my Unigy II battery banks they supply the sheet w/ those #. Did you say what 
> the battery charge settings were? Not much use at this point as it is tough 
> to clean up AGM cells.
>> On Jul 14, 2021, at 5:43 PM, Jeff Clearwater > <mailto:je...@villagepowerdesign.com>> wrote:
>> 
>> Yes good thought Chris -I doubt if there is an IR tester anywhere on the 
>> island - but when I go I will for sure look at that - thanks for that.
>> 
>> How would one measure battery resistance with voltage present? I guess with 
>> a known voltage applied and current held constant one could calculate?  but 
>> then how do you know you are measuring resistance vs storing energy?   I 
>> don't think that's possible - others?
>> 
>> jc
>> 
>>> Chris Worcester <mailto:ch...@solarwindworks.com> July 14, 2021 at 2:14 PM
>>> Has an infra-red thermometer been used on every battery's terminals to 
>>> check for resistance? I recall, although this might be my own thoughts, 
>>> that internal resistance of each cell can be measured with an ohm meter...
>>> 
>>> 
>>> 
>>> Chris Worcester 
>>> ch...@solarwindworks.com <mailto:ch...@solarwindworks.com>
>>> 530-448-9692
>>> 
>>> Sent from my Samsung Galaxy s9.
>>> 
>>> 
>>>  Original message 
>>> From: Jeff Clearwater  
>>> <mailto:je...@villagepowerdesign.com>
>>> Date: 7/14/21 1:42 PM (GMT-08:00)
>>> To: RE-wrenches  
>>> <mailto:re-wrenches@lists.re-wrenches.org>
>>> Subject: Re: [RE-wrenches] How Best to Load Test 2 V Cells
>>> 
>>> Hey Jay,
>>> 
>>> Yes the Sunny island Master of this Quad SI AC-coupled off-grid system has 
>>> been giving automatic Eq and Full charge charges perodically as appropriate 
>>> to this 48 V EnergyCell RE2700 pack.
>>> 
>>> We are getting whole pack volt drops way before we should at 600 well- 
>>> maintained cycles.  When we do whole pack testing - when the voltage drops 
>>> off there are 5 of the 24 cells lagging - their voltage drops faster than 
>>> the rest - but they operate well between 50%-100% - all busbars have been 
>>> triple checked for corrosion and tourque.   
>>> 
>>> So it looks like they just aged prematurely - so I'm in the process of 
>>> collating data from EnnexOS to get exact numbers on how they've been 
>>> treated.  But even with a few hard cycles they should held up better than 
>>> they have.  So perhaps a warranty claim - I've gone through charge settings 
>>> with SMA etc.  I did have the AHrs programmed slightly below rated AHrs due 
>>> to confusion of whether the SI uses the 20 hr or 10 hr rate (in Europe they 
>>> use 10 but apparently - unbeknowst to me - the US SI uses the 20 Hr - I 
>>> swear SMA tech support years ago told me 10 hours)  but now they are 
>>> claiming that might be the culprit - I have a hard time believing that 
>>> setting the Ahour rating in the SI to 2100 instead of 2288 as rated would 
>>> lead to pack failure - but they are claiming that could have contributed.
>>> 
>>> Thoughts?
>>> 
>>> Best,
>>> 
>>> Jeff
>>> 
>>> 
>>> 
>>> 
>>> Jeff Clearwater <mailto:je...@villagepowerdesign.com> July 14, 2021 at 1:42 
>>> PM
>>> Hey Jay,
>>> 
>>> Yes the Sunny island Master of this Quad SI AC-coupled off-grid system has 
>>> been giving automatic Eq and Full charge charges perodically as appropriate 
>>> to this 48 V EnergyCell RE2700 pack.
>>> 
>>> We are getting whole pack volt drops way before we should at 600 well- 
>>> maintained cycles.  When we do whole pack testing - when the voltage drops 
>>> off there are 5 of the 24 cells lagging - their voltage drops faster than 
>>> the rest - but they operate well between 50%-100% - all busbars have been 
>>> triple checked for corrosion and tourque.   
>>> 
>>> So it loo

Re: [RE-wrenches] How Best to Load Test 2 V Cells

[Tump]

 
>> setting the Ahour rating in the SI to 2100 instead of 2288 as rated would 
>> lead to pack failure - but they are claiming that could have contributed.
>> 
>> Thoughts?
>> 
>> Best,
>> 
>> Jeff
>> 
>> 
>> 
>> 
>> 
>> 
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
>www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
> 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] Need some help

[Tump]

If you have the old BP 585 watt modules I would strongly suggest that you scrap 
the whole system.  Take advantages of better performance modules & inverters 
and IF the client may have tax liabilities then they can discuss the additional 
tax benefits of a new system with their accountant. those old BP 585 were 
around in the late 90s.
> On Jun 6, 2021, at 10:38 AM,  
>  wrote:
> 
>  Good morning fellow wrenchers, need some help from those of you that 
> have a bit more tenure than I do. Was called to look at a site yesterday that 
> is down due to renovations. It is a gas station that has 20 KW worth of solar 
> on the canopy, two Trace PV-10208’s and two transformers, one on the output 
> of each inverter. The system was shut down during a large renovation, wires 
> cut and sort of lost under the pavement during the work. We have a good idea 
> where we can dig to locate the conduit for AC but my dilemma is the equipment 
> on the canopy. The owner has no idea how old the system is and if it was 
> actually working prior to the reno.
>  
>  Getting AC back up and running to the canopy may be the easy part, I 
> need to understand why there is a transformer along with the Trace inverter 
> and how have these inverters held up for 20 + years and based on layout if 
> needed can I replace inverter with current tech without rewiring the whole 
> canopy ( 264 BP 85 watt panels, wired to combiner box then out to inverters 
> ). Power supply at gas station is 208. So, please and thank you in advance, 
> any and all help, guidance and ideas greatly appreciated. 
>  
> Thank you
> Peter Giroux
> American Solar & Alternative Energy Solutions inc
> Roswell Ga
> 678 525 0468
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> 
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>  MAINE'S CHARTER 
>   NABCEP"Certified PV Installer" 
>
>     MAINE'S CHARTER 
>   Trace Xantrex "Certified" Dealer / Installer"
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Re: [RE-wrenches] Conext Configuration Tool password needed

[Tump]

I think it is Xantrex
> On Jun 5, 2021, at 7:44 PM, Dave Angelini Offgrid Solar 
>  wrote:
> 
> Hey Greg,
> 
> The PW should be in here at the link. It is in the XWP NA link at the website 
> under user manuals.
> https://solar.schneider-electric.com/wp-content/uploads/2020/10/Conext-XW-Pro-NA-Addendum_Multi-Unit-AC-Output-Voltage-Configuration-and-Calibration-990-91314.pdf
> 
> If it is not, let us know! I will see if it is in a file here or can check on 
> monday! Getting close 5 pm here and that is a priority
> 
> 
> 
> The monitor system and remote config system is called Insight Local. It can 
> go out to Insight cloud for remote control like Optics. It works very well 
> with old legacy grey box XW's and also with XW+ and XW pro. They knocked this 
> system out of the park as it is all I need for my 300+ clients using XW. Alot 
> of them do not want anything but the SCP. I make them buy a conext Home or 
> Facility anyway for my own ease. Conext Facility was called the Gateway. They 
> are the same and work really well. Combox is discontinued and no longer for 
> sale!
> 
> 
> 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 Sat, 5 Jun 2021 15:05:40 -0800, greg egan 
> wrote:
> > Esteemed Wrenches,  Working on a system with 4 XW+ inverters.  Using a 
> > conext config tool I used a few years ago. I am trying to set the AC 
> > output voltages on the inverters so they were within .5 VAC per the 
> > manual.  When you try to configure the AC output It gives you a warning 
> > and requires a password.  I have tried the password that worked with the 
> > Gateway and guessed at many others but no luck.  I did a word search for 
> > "password" in all the schneider O & M manuals that had anything remotely 
> > to do with inverters, config tool, multi inverter systems etc.
> > 
> > Anyone know the secret handshake?  If I made one years ago and no longer 
> > have it does anyone know how I can reset it?
> > 
> > Also wondering if anyone is using the new combox successfully with XW+ 
> > inverters?  Looks like Schneider discontinued the XW+ line as well as 
> > the original combox.  I've heard good things about the combox and would 
> > like to try out the new version if it's compatible.
> > 
> > Thanks in advance, I appreciate it!
> > 
> > Greg Egan
> > Remote Power Inc.
> > Fairbanks, AK
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> Tump 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>3...@gmail.com
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>
>   *

Re: [RE-wrenches] Surrette Rolls distributors

[Tump]

Dave reply to me off list. Ill need the dimensions of individual cells just to 
confirm and the exact flag terminal layouts. tump
> On May 29, 2021, at 12:50 PM,   
> wrote:
> 
> Our old Surrette Rolls distributor, RAE Storage Battery, has been sold to 
> another battery manufacturer and they no longer sell Surrette Rolls. 
> I am in need of finding a new Surrette Rolls distributor here in the 
> northeast. 
> I will be replacing this 24V 1,300AH battery bank made up of twelve 
> individual 2v Surrette single wall cells. The box is 11” deep x 84” long x 
> 39” high. 
> If I can’t find direct replacement for these single wall 2v cells I may have 
> to enlarge the battery box.
>  
> Dave Palumbo
> Hyde Park, VT
>  
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Re: [RE-wrenches] OutBack Inverters

[Tump]

The VOC for a 48 VBB is to low for most batteries. IF there is a combiner box 
and there is a even # of OCD then I have rewired the DC input ( remove the + 
from 1 OCD and connect it to module #2’s negative wire) to increase the DC 
input. OR there are a # of higher voltages of charge controllers that make it 
easy to reconfigure array input voltages to the CC. 
Batteries IF there are 8, 16 six volt batteries then sure.
> On May 17, 2021, at 10:31 AM, Maverick Brown  
> wrote:
> 
> Now is a good chance to see if switching to 48V is feasible. Can the battery 
> bank be easily rewired for 48V and does the existing VOC support 60V or so. 
> Switching to 48V gives the charge controllers immediately more headroom for 
> future additional panels that will be needed with the added loads. 
> 
> I also recommend getting the new mate3s and connecting to OpticsRE. It’s a 
> great way to see what going with the system over time. 
> 
> Maverick Brown
> Off-Grid Solar Commander since 2006
> Maverick Solar Enterprises, Inc.
>  • Solar Commander Remote Power
>  • SunFlow Systems Cathodic Protection 
> maver...@mavericksolar.com <mailto:maver...@mavericksolar.com>
> 512-460-9825
> 
> 
>> On May 17, 2021, at 9:21 AM, palumbo1...@gmail.com 
>> <mailto:palumbo1...@gmail.com> wrote:
>> 
>> 
>> I am considering swapping in new OutBack inverters into one of my 
>> neighborhoods 24V off grid systems. It now has two FX2524’s. The demands on 
>> the system have grown, now a two family home with a 240Vac mini-split for 
>> air conditioning and a 240Vac Grundfos SQ 1/2hp sub pump to be added this 
>> summer to the system. Drilling a well for a back-up to the gravity fed 
>> spring water which has been getting too low during the past few summers. 
>> I’m assuming that I should go with two VFXR3524’s.
>> Will this be a direct swap in as far as having the same wiring setup into an 
>> OutBack Flexware system? And will it work with an older Mate?
>> Anything else I should know about these OutBack “R” inverters?
>>  
>> Dave Palumbo
>> Hyde Park, VT
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Re: [RE-wrenches] Generator and AC coupling on a Sol-Ark

[Tump]

e-wrenches.org/>
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Re: [RE-wrenches] Trend away from roof flashings???

[Tump]

oofs for reliably dry attachments?  
>> 
>> Best Regards,
>> Jeremy Coxon NABCEP # 091308-21
>> MWBE Certified
>>  
>>  
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Re: [RE-wrenches] SW4024

[Tump]

If the terminal blocks have #s  then he would use block #7 and use the com. & 
NO contacts. 3 terminals; com, NO & NC
> On Apr 14, 2021, at 7:23 AM, Steve Romo  
> wrote:
> 
> Hello Wrenches,
> I have a customer with a very old (1995) Xantrex SW4024. He is trying to 
> connect the two wire start to his generator. This unit has two sets of 
> terminal blocks instead of the relay spade connectors I'm used to. Does 
> anyone know or have an old manual that shows which ones to use? I know if I 
> was on site I could just use my meter and figure it out, but it's a 3 hour 
> drive.
> 
> Thanks in advance for your help
> 
> -- 
> Steve Romo
> Mountain Power Solutions LLC
> NABCEP certified PV Installer #110112-124
> Kohler Certified Generator Technician
> Generac Certified Generator Technician
> 
> 970-433-6316 
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[RE-wrenches] Solectria PVI 15 issue

[Tump]

Folks I have been asked to review a issue w/ this inverter.  Solectria PVI 15 
DMGI245 S/N 070924-14, 3 ph 480V inverter, 70 Solon Blue 230 Watt modules. 
Issue is; the inverter shuts off due towhees 2 messages; “Contactor Fail" or 
"AC Contact Open”. Happens more frequently during cloudy weather, but it 
apparently its faulting more frequently.
After reset once the inverter restarts you can hear the contactor pull in and 
then it faults, contactor has been replaced multiple times. I have not been on 
site yet. 
Any suggestions would be appreciated. Thanks in advance. Tump
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>
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Re: [RE-wrenches] What would you do/say?

[Tump]

It shows you have been in business for 15 years? RUN don’t walk. REDO once you 
put a wrench to this YOU and your 15 years can quickly find yourself out of biz.
> On Feb 24, 2021, at 1:13 PM, Jeremy Coxon  wrote:
> 
> Hi all,
> 
> I’m sure we’re not alone in this so I thought I’d find out what you all do in 
> these situations:  We were contacted by a person that wants us to repair 
> their system.  I ask the standard questions you’d expect and also for 
> pictures of their system.  Here’s the pic (below).  My question is what would 
> you say to this person?
> 
>  
> 
> Best Regards,
> Jeremy Coxon NABCEP # 091308-21
> Vice President
> MWBE Certified
> 
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[RE-wrenches] Fwd: Battery Specific Gravity versus Electrolyte Level

[Tump]

> Begin forwarded message:
> 
> From: Jeff Myles 
> Subject: Re: [RE-wrenches] Battery Specific Gravity versus Electrolyte Level
> Date: February 9, 2021 at 8:54:04 AM EST
> T
> Cc: 
> The main reason the manual instructs not to top up all cells before 
> equalizing is to avoid overfilling to/up in the vent and having a spillover 
> when they bubble. 
> 
> We suggest inspecting and topping them up after because they also go through 
> water running the equalization. If a cell is noticeably lower than others it 
> would make sense to top it up slightly to bring the electrolyte to a similar 
> level as the others before beginning the process.  If it's just one cell in 
> the bank I would expect the SG reading on that one will be off from the 
> others to begin with. If it's going through more water than others it's 
> getting hotter.  Why?
> 
> Lower liquid level doesn't always equate to higher acid concentration. The SG 
> reading in the cell with lower electrolyte would only read higher than others 
> if the cell, like the others, wasn't suflated.  If it is sulfated, the SG 
> readings at full charge are lower because the sulfate has accumulated on the 
> plate and not released back into the electrolyte during charging.
> 
> First, he should check all cells at float charge before beginning the 
> equalization so he knows where they're all starting from. Is the cell with 
> the lower electrolyte level reading higher or lower SG than the others?  Are 
> the rest completely balanced and this one is off?
> 
> SG readings immediately after equalization and before adding water will be 
> elevated due to temperature. To get accurate readings after adding water he 
> should cycle the batteries 2-3 times, allowing it to mix normally, and then 
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> 
> 
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Re: [RE-wrenches] Trace DR inverter fan

[Tump]

Sounds like the thermistor is bad. Kris @ Tekris power 732 938-4996. To heck w/ 
the thermistor bring em a new inverter!
> On Feb 4, 2021, at 4:45 PM, Jerry Shafer  wrote:
> 
> I might consider taking a loaner inverter with you, l have had the SW and DR 
> inverters have calibration failures not just sensor failures, if you are 
> getting a boat ride, corrosion is a good possibility so again bring a loaner 
> OB 2524 or maybe he may want to buy it anyway.
> Jerry
> 
> On Thu, Feb 4, 2021, 12:13 PM Eric Smiley  <mailto:e...@vecoop.ca>> wrote:
> I have a client whose Trace DR 1524 inverter (yes, it's an old system) fan is 
> running constantly.
> I haven't been to the site (3 hour drive, 1 hour boat ride) but I am guessing 
> that it's a failure of a temperature sensor.
> Does anyone have experience with something like this?
> 
> Eric Smiley, MASc
> Project Manager, North Island
> 
> E:  e...@vecoop.ca <mailto:e...@vecoop.ca>
> T:  1-888-386-0116 ext 702 (toll free)
> C:  250-703-6004
> W:  viridianenergy.ca <http://www.viridianenergy.ca/>
>  <http://www.viridianenergy.ca/>
> RENEWABLE POWER NOW
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Re: [RE-wrenches] What to do with failed Outback boards

[Tump]

Kris Stone 425 233 0731
> On Feb 1, 2021, at 8:08 AM, Roy Butler  wrote:
> 
> Hi Nick,
> 
> I have my legacy OB boards repaired by Kris Stone in Washington State.
> He was the FX repair tech at Outback for 5yrs before they farmed it out to 
> min wage temps in AZ.
> 
> His prices are reasonable.
> 
> stkri...@yahoo.com
> 
> Roy Butler
> Four Winds Renewable Energy, LLC
> 8902 Route 46, Arkport, NY 14807
> 607-324-9747  www.four-winds-energy.com
> 
> Education is when you read the fine print; experience is what you get when 
> you don’t.
> 
> Although no trees were killed in the sending of this message,
> a large number of electrons were terribly inconvenienced.
> 
>
> On 1/31/2021 10:57 PM, Nick A Lucchese wrote:
>> Hello again,
>> 
>> Just wondering if anyone has been made aware of an ideal solution for failed 
>> Outback boards for the VFX and FX series? Maybe it’s their policy with the 
>> newer FXR series as well but ever since the Alpha Group acquired them around 
>> 2010 (I believe that’s when the headaches started anyway) and they stopped 
>> doing the prepaid shipping and replacement boards back and forth I’ve been 
>> collecting a nice little stash of their e-waste. A few times I was able to 
>> fit them in other boxes being sent to back to them but my shelves are 
>> getting a bit encumbered now and in the effort of starting 2021 with less 
>> clutter I’ve decided it’s time to stop collecting truly unusable parts. 
>> There are plenty of other pieces of used equipment I’m still going to hold 
>> onto but really can’t see a purpose for these boards any more. Is there 
>> anyone out there taking advantage of this business opportunity and repairing 
>> them or are they truly destined to e-waste collection? I thought of doing 
>> some cool large art piece out of them as well but thinking I should talk 
>> myself out of that option. Any ideas? My guess is Enersys isn’t going to 
>> come up with a solution to this any time soon either.
>> 
>> Nick Lucchese
>> 
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Re: [RE-wrenches] SMA Load Shedding Contactor 100A, 2P

[Tump]

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Re: [RE-wrenches] Schneider Electric XW Pro

[Tump]

Am I the only off grid installer that doesn’t always have cell/internet 
service. Most of my larger off grid installs, I design them w/2 separate 
inverters, 2 charge controllers, 2 volt cell batteries, redundancy can save 
ones butt in the middle of nowhere.
Take a look at the Victron product line, Multi Plus or the Quattro inverters & 
CCs, most of their products can be set using dip switches, computer, or in some 
cases settings w/ones “smart" phone.
As with most things there IS a learning curve but but the do have a lot of 
videos, white papers & their config tools has demo mode where you can learn the 
program.
> On Jan 6, 2021, at 2:12 PM, Dave Angelini Offgrid Solar 
>  wrote:
> 
> Kent,
> 
> We field tested XWP here for Schneider offgrid a couple years back. We
> have never had any issues with it for offgrid. Since its inception, the
> Gateway has been required (stated on website) for major commissioning
> changes. I have a spare here for my clients. You are welcome to borrow it,
> but I do not think that is what you want.
> 
> Just have to live with it. You do not need a gateway at all once the
> system is configured and it can be done remotely with Insight Cloud.
> 
> Part number
> XW Pro 120/240V – 865-6848-21
> Note: Please note that Conext™ Gateway is required to commission the XW
> Pro.
> 
> Note: XW Pro is not compatible with Conext ComBox. The Conext Gateway is
> used for the monitoring, commission, and configuration of the XW Pro.
> Gateway and Combox Compatibility Matrix (PDF) is also available for
> download.
> 
> 
> 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 Wed, 6 Jan 2021 10:59:49 -0800, Kent Osterberg 
> wrote:
>> I just finished a call with Schneider Electric tech support about 
>> setting up a multi-inverter XW Pro system. My complaint was (and is) 
>> that despite what the manual says, you can't set up a XW Pro slave unit 
>> in a multi-inverter system using the system control panel (SCP); that 
>> can only be done using the gateway or the configuration tool. And once a
> 
>> XW Pro is set up to be a slave, the only path back to being a master is 
>> with the gateway or the configuration tool, or to reset the unit to 
>> factory defaults with the SCP. Technician explained that the 20-year old
> 
>> design of the SCP doesn't have enough memory to allow the 120/240 split 
>> phase options. However, it does seem to have enough memory for 120 or 
>> 240 single phase and 120/208 three phase, ...
>> 
>> The reason this is a thorn in my side is that Schneider wants to market 
>> this inverter for off grid use and seems to totally ignore what happens 
>> when you have an off grid power system failure. If you have a master 
>> inverter failure and need to reconfigure the system, it needs to be 
>> something that can be corrected easily - in the middle of the night. No 
>> ac power, no computer, no phones, no internet. The only option seems to 
>> be to reset a slave unit with the SCP and then reprogram it.
>> 
>> No longer as enthusiastic about using Schneider for off grid power.
>> 
>> Kent Osterberg
>> Blue Mountain Solar
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Re: [RE-wrenches] Remote Alert and Bootstrapping on Sunny Island AC Coupled System-Follow up

[Tump]

William, good morning. I live off grid w/ these things please feel free to 
contact me off list.
Without knowing your familiarity w/ the SMASI, I may be repeating things you 
already know.
Anytime the SOC is above 70% your frequency is shifted to reduce array input, 
(German engineers) so this is probably the most frustrating issues w/ the SIs. 
Beautiful sunny day at 73% little recharge, next day cloudy for a week starting 
w/ a BB that isn’t fully charged, customers & installers don’t like this too 
much.

First; Anytime there is a generator fault one needs to clear that fault. This 
is found menu 540/2“Gen Ackn”. Also check that the gen in 540 01 is set to 
“auto”, if not then check menu 235/01 “Generator Start" default is “on". Menu # 
235/02 “ Gn autoStr”, I will always increase the # of start attempts usually to 
5or 6, default is 3.
If the generator is running, charging batteries while there is good production 
from the array you will get “reverse current” if this happens, it will disable 
charging from genset which needs to be reset also in Menu 540/02. One can also 
In Menu "Generator control" 234 /13 GnRVPwr, Try setting this up to 150W 
Bottom line, off grid living that 500 menu is my go to for both my clients that 
have these things & myself. Clearing gen faults, Menu 520/01 to start battery 
EQing. Fla batteries, one can set voltage set points higher than the Bulk set 
point, but this leads to additional watering. For AGMs I will set this to my 
absorb voltage setpoints. If one uses this menu while its sunny this will 
prevent the Frequency shift and you will usually get a decent charge from the 
array. I usually do this once a week or so this time of year.
This system has worked well in the past, sounds like the generator starter 
battery was the fault issue that cascaded into additional issues.
I use a Victron BVM712 that enables me to watch the “House BB voltage” AND 
monitor the "generator starter BV". You can also remotely actuate the relay for 
alarms etc.
Tump
 
> On Dec 19, 2020, at 2:19 AM, William Miller  wrote:
> 
> Wrenches:
>  
> I found some time to review the .evt and .log files from the primary Sunny 
> Island inverter.
>  
> Prior to 12/8/20 the system was running normally with a generator run 
> averaging 6 hours about every other day.
>  
> On 12/8 at 06:00 the system tried to start the generator.  There was no 
> indication the generator delivered voltage to the system.  The system tried 
> to start the generator 168 times between 12/18 at 06:00 and 12/13 at 15:00.  
> 168 times the system closed relay 1 and then opened it about 2 minutes later. 
>  Maybe the generator ran, maybe it didn’t, but no voltage was delivered.  On 
> 12/15 the client started the generator and it produced voltage into the 
> inverter system.  On 12/18 I started the generator and it produced voltage.
>  
> Why this generator start cycle kept recurring is a mystery to me.  There may 
> be a setting within the bowels of the menu system that I have overlooked that 
> limits the start attempts and I will be investigating that.  To me, 
> navigating the Sunny Island menu system is like trying to remember the DOS 
> command-line interface.  I need something much more ergonomic.
>  
> Thanks for all of your priceless knowledge.  I feel like we are a little nerd 
> family.
>  
> William Miller
> Miller Solar
> 17395 Oak Road, Atascadero, CA 93422
> 805-438-5600
> www.millersolar.com <http://www.millersolar.com/>
> CA Lic. 773985
>  
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Re: [RE-wrenches] Remote Alert and Bootstrapping on Sunny Island AC Coupled System

[Tump]

I have long been a supporter & installer of the SMA SI product line, but their 
support and availability has led me to find other products. Outback Schneider 
products like Victron with their smart phone interface and their "Virtual 
remote monitoring” sunsets the SMA product line. Thats not to say that Victron 
is the easiest to set up but it does offer other advantages.
> On Dec 17, 2020, at 11:04 PM, William Miller  wrote:
> 
> Friends:
>  
> Thanks for the many replies.  Here is what I have learned, paired with the 
> questions.
>  
> 1.   Is it normal for the display screens on the Sunny Islands to go blank 
> after shutting off due to low battery voltage?  Apparently this is a feature, 
> not a bug--the display is supposed to go blank.  There is a fault-clearing 
> procedure that requires you remove all input power for 15 minutes and it 
> worked here.  The system was responding as designed--it was not “bricked”.
>  
> 2.   Is there an up-to-date option for remote monitoring that will send an 
> email if certain error conditions occur?  No one is telling me any new SMA 
> remote access system is much different from the old system of port-forwarding 
> the web-box and then going blind trying to navigate the interface.  There is 
> a remote-alert for some new SMA inverters, but not Sunny Island, which needs 
> it the most.  I don’t think SMA can hold a candle to OpticsRE in this area.  
> This alone is a deal-killer for me spec’ing Sunny Island in the future.
> 3.   What would you do with a 6k AH battery bank with a voltage too low to 
> start a battery inverter or solar charge controller?  My first reaction was 
> the same as those that suggested AC-coupled off-grid architecture is 
> fundamentally flawed due to this predicament.  In thinking about it further, 
> the same is actually true for DC coupled systems: if battery voltage gets low 
> enough, many PV charge controllers are not able to startup and charge a 
> battery bank.  There is a warehouse-style, 48 volt forklift charger next door 
> I could have for the asking, but it was not needed for this outage and I 
> doubt it will be needed in the future.
>  
> Thanks again.  The wrenches list rocks!
>  
> William Miller
> Miller Solar
> 17395 Oak Road, Atascadero, CA 93422
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Re: [RE-wrenches] Remote Alert and Bootstrapping on Sunny Island AC Coupled System

[Tump]

This is totally normal w/ the displays. There IS an emergency charge setting…. 
You put AC into the AC out essentially AC coupling w/ the genset.  Page 222 
section 20.10. This works only w/ FLA batteries.
What was the issue w/ the generator battery? I install a small AC charger for 
the generator battery. There are “ auto start functions” 234.07 Auto gen start 
is also 235.01
Is there internet/ cell at the site? 
> On Dec 17, 2020, at 1:51 PM, William Miller  wrote:
> 
> Friends:
>  
> I have a client living off-grid with a Sunny Island system AC coupled to 
> Sunny Boy inverters.  They returned from being away to find the system 
> entirely shutdown due to cloudy weather, a dead generator cranking battery 
> and a water leak which ran two booster pumps continuously over a period of 
> time.  The displays on the Sunny Islands were blank and therefore the 
> inverters would not start.  
>  
> We put a new cranking battery into the generator and got it started, but with 
> no life in the Sunny Islands, neither the generator nor the Sunny Boys had 
> any possibility of reviving the discharged 6,000 amp-hour lead acid battery 
> array.  Fortunately after disconnecting the batteries for ten minutes, the 
> voltage rebounded just enough to start the Sunny Islands which allowed the 
> generator to connect and we were back in operation.
>  
> I am not sure why the displays went dead on the Sunny Islands.  I am on my 
> way back out to download and examine the SD card logs.  I have developed an 
> Excel tool to help me tabulate the data.  Maybe there is some clue in those 
> files. 
>  
> In the meantime I have these questions that those of you with more Sunny 
> Island experience might be able to answer:
>  
> 1.   Is it normal for the display screens on the Sunny Islands to go blank 
> after shutting off due to low battery voltage?
>  
> 2.   Is there an up-to-date option for remote monitoring that will send an 
> email if certain error conditions occur?
>  
> 3.   What would you do with a 6k AH battery bank with a voltage too low to 
> start a battery inverter or solar charge controller?
>  
> Thanks in advance.  The wrenches hive-mind is a huge asset.
>  
> William Miller
> Miller Solar
> 17395 Oak Road, Atascadero, CA 93422
> 805-438-5600
> www.millersolar.com <http://www.millersolar.com/>
> CA Lic. 773985
>  
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Re: [RE-wrenches] Commissioning issues with Enphase Ensemble

[Tump]

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[RE-wrenches] Mate3 verses Mate3S

[Tump]

I have a client w/ 8 stack of older VFX3648s, Off Grid. Presently connected to 
a Mate 3 & older hub 10.  The generator run time/shut down time is never the 
same, sometimes 10+ hours of running while the inverters in “silent” mode.  Gen 
stays running despite full batteries, confirmed by battery voltage & using my 
refractometer. 
The only "gen trigger" is battery voltage. I have cleared the history 
repeatedly & updated the Mate3 FW. 
 Is there any conflict replacing the Mate 3 with the Mate 3S in an older system?
I will be also changing out the Hub as well. Thoughts/suggestions
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>  MAINE'S CHARTER 
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>
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>   Trace Xantrex "Certified" Dealer / Installer"
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Re: [RE-wrenches] Another pump quesiton

[Tump]

vDC pumps?  Having magnetic drives that mate with the impeller 
>> body of the El Sids, would be a bonus.
>> Thanks,
>> Howie
>> Howie Michaelson
>> Sun Catcher
>> NABCEP Certified Solar PV Installer™
>> 
>> Solar Electric Systems Sales & Service
>> 802-272-0004
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>> -- 
>> Allan Sindelar
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>> NABCEP Certified PV Installation Professional
>> New Mexico EE98J Journeyman Electrician
>> Founder (Retired), Positive Energy, Inc.
>> 505 780-2738 cell
>> 
>>  
>> 
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Re: [RE-wrenches] Dr Pepper on Metal Roofs

[Tump]

lt;>>
>> > On Behalf Of Solar Energy Solutions
>> > Sent: Tuesday, August 25, 2020 1:43 PM
>> > To: Wrenches
>> > <>>
>> > Subject: [RE-wrenches] Dr Pepper on Metal Roofs
>> >
>> >
>> >
>> > Dear Esteemed Solar Enthusiasts,
>> >
>> >
>> >
>> > Believe it or NOT, I just talked to a homeowner who says he witness a
>> > solar contractor spraying Dr. Pepper on his 8:12 pitched metal roof to
>> > stop from slipping.
>> >
>> >
>> >
>> > Now I'm wondering...
>> >
>> >
>> >
>> >
>> >
>> > Andrew Koyaanisqatsi
>> >
>> > President
>> >
>> > Solar 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 <http://www.solarenergyoregon.com/>
>> >
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Re: [RE-wrenches] Ampacity Ratings for Different Conductors

[Tump]

Seems like over kill and I too am wondering why use anything but UL listed 
wire. I always use tinned cable from Cobra. They have the “X FLEX” and the “X 
FLEX 150” the X flex #2AWG is good for 213 Amps 2/0 is good for 336 Amps. The X 
FLEX 150 #2AWG is good for 255 and the 2/0 is good for 390 Amps. Let me know 
off list if you wold like my sales rep, Good quick service. T
> On Aug 11, 2020, at 10:34 PM, Glenn Burt  wrote:
> 
> Okay I have to ask, why wouldn’t you want to stick to code compliant battery 
> cabling?
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of 
> peter...@pobox.com <mailto:peter...@pobox.com>
> Sent: Tuesday, August 11, 2020 6:18 PM
> To: RE-wrenches@lists.re-wrenches.org 
> <mailto:RE-wrenches@lists.re-wrenches.org>
> Subject: [RE-wrenches] Ampacity Ratings for Different Conductors
>  
> I have been designing a off-grid system that can fit in an outside-accessible 
> compartment with an approximate 24" square footprint and space above about 
> 18" - 24". 
>  
> I am using two Battle Born LiFePO4 batteries rated at 24 V / 50 Ah, a Cotek 
> pure sine wave inverter with an output power of 4,000 VA , a MorningStar 
> TS-MPPT-60 charge controller, a Victron BMV-712 "coulomb counter" and a 
> Battle Born surge limiter CL500. 
>  
> The current limiter limits the current to 120 continuous, and 200 A for 30 
> sec. 
>  
> I have been able to fit everything in and I am designing the cabling, and 
> here is my problem. 
>  
> I have one vendor that recommends Ancor brand Tinned Marine Grade Battery 
> Cable. It is "resistant to salt water, battery acid, oil, gasoline, heat, 
> abrasion and ultra-violet radiation. Exceeds UL 1426, ABYC and US Coast Guard 
> Charter boat (CFR Title 46) standards. Highest quality ultra-flexible (Type 
> 3) tinned copper stranding. Vinyl insulation. -50 deg-C to 105 deg-C." 2 AWG 
> is composed of 665 ea 30 AWG stands. 
>  
> The same vendor has "welding cable" with an EPDM insulation rated at 600 V, 
> water/chemical/grease/abrasion resistant, -50 deg-C to 105 deg-C, "marine 
> grade". Not UL listed. 624 ea 30 AWG strands. 
>  
> Roughly comparable pricing. 
>  
> They claim both 2 AWG cables are rated at 210 A. Not sure if this is 
> continuous duty or whether I should derate this for what will be continuous 
> duty. 
>  
> This is new territory for me, and any help would be appreciated. 
>  
> Peter T. Parrish, Ph.D. 
> President, California Solar Engineering 
>  
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Re: [RE-wrenches] dual rated 600/1000v cable for HV battery application

[Tump]

My contact at Cobra wire & cable is quite sharp. 215-674-8773 ext. 5000, 
ltashj...@cobrawire.com <mailto:ltashj...@cobrawire.com> she has been CCed here.
> On Aug 1, 2020, at 8:16 PM, Ray  wrote:
> 
> I would look at Diesel Locomotive Cable  DLO, which is usually dual rated 
> RHH/RHW-2 for us non locomotive folks.  2000 v rated.  Its pretty easy to 
> work with, flexible, but has a 2nd inner liner that gives it the higher volt 
> rating.  Its also usually tinned conductors too.  
> https://www.awcwire.com/productspec.aspx?id=dlo 
> <https://www.awcwire.com/productspec.aspx?id=dlo>
> Ray Walters
> Remote Solar
> 303 505-8760
> On 8/1/20 7:09 AM, Kirk Herander wrote:
>> I need to spec battery cable for a nominal 850 vdc LFP bank. Several brands 
>> of power cable list their rating at a dual 600/1000v. it is my understanding 
>> that to be listed in this manner, the cable must pass a test apply of over 
>> 600v for a short period  without breakdown. But under normal operation IMO, 
>> the voltage is not to exceed 600v. And this test is done with AC voltage, 
>> not DC.
>> 
>> "UL 1277: Power and Control Tray Cable
>> UL 1277, the standard for electrical power and control tray cable, was 
>> recently updated, allowing manufacturers with UL approved tray cable to 
>> market their product as 600V/1kV rated. To be dual rated, products must use 
>> a recognized 1kV rated conductor and pass a higher voltage AC Hipot test on 
>> the completed cable. This test requires each insulated conductor in finished 
>> cable to withstand a specified voltage range for one minute without 
>> breakdown. If a product passes the AC Hipot test, it is suitable for 1kV 
>> use."
>> 
>> 
>> Am I getting this right? And If so, one should not use this 600/1000v wire 
>> if normal operating voltage is above 600v as is my case? Proper rating 
>> should be dual 1000/2000v like PV wire?
>> 
>> What do you experienced high voltage battery gurus use in my application? 
>> Thanks.
>> 
>> 
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Re: [RE-wrenches] Two Dilemmas

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_
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Re: [RE-wrenches] [addressing #1 Dilemmas

[Tump]

or Freight, as it would be cheaper than renting a professional 
>>>>> one. 
>>>>> 
>>>>> 2) the older Trace SW series is early technology in regards to its sell 
>>>>> efficiency,  because of the lack of what was dubbed ‘silent sell’. The 
>>>>> general number from when it was about the only game in town was about 
>>>>> 55%. I would suggest upgrading to a modern unit if it’s primarily used 
>>>>> for selling back. 
>>>>> 
>>>>> Allan Sindelar, Sindelar Solar
>>>>> 
>>>>>> On Jul 23, 2020, at 3:47 PM, Rick Brown 
>>>>>>  wrote:
>>>>>> 
>>>>>> Wrenches,
>>>>>> 
>>>>>> Dilemma #1:
>>>>>> 
>>>>>> I’ve had to replace 4 sets of Solar One batteries (see pic). Each set 
>>>>>> weighs in excess of 1000lbs. How have you all transported these? The 
>>>>>> originals were placed into service prior to the room’s walls and roof 
>>>>>> going up. 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> Dilemma #2:
>>>>>> 
>>>>>> The above system is comprised of a Trace SW5548 along with two Outback 
>>>>>> FM60s. After reprogramming the CCs and inverter with new charging 
>>>>>> parameters, I can’t get the Trace to export excess production once the 
>>>>>> batteries are charged. I do have the inverter set to “Sell” mode What am 
>>>>>> I missing? I have had little experience with the Trace line. 
>>>>>> 
>>>>>> Thanks,
>>>>>> 
>>>>>> rick brown
>>>>>> SolShine Energy Alternatives, LLC
>>>>>> Electrical & Solar Contracting Services
>>>>>> www.SolShineEnergyAlternatives.com 
>>>>>> <http://www.solshineenergyalternatives.com/>
>>>>>> Check, Virginia 24072
>>>>>> 540.808.9502 
>>>>>> 
>>>>>> VA Class A Contractor Lic# 2705147660
>>>>>> VA Master Electrician Lic# 2710062762
>>>>>> VA Alternative Energy Systems Installer  
>>>>>> NABCEP Certified PV Installation Professional 110112-21
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Re: [RE-wrenches] Two Dilemmas

[Tump]

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Re: [RE-wrenches] FLA question

[Tump]

Im sure that Steve H. will have the “official” word on this but….
I find these cells quite robust and I would suggest that your “supplier” ck the 
SPG then charge them, & recheck prior to shipping. These are my go to cells if 
they want more that the 6CPS 25-27 plate 5000 series capacity. Have I had 
issues, yes, but I also install a lot of their batteries & their "lil pitbull 
of Warrantee", SH has been good to me. Keep good records, SPG& VpC, and 
polarity check, prior to site delivery and accurate record keeping after that 
using a refractometer.
Surrette’s warrantee has fallen in line w/ most other battery manu’s as far as 
the Wtee. time frame, so check.
> On Jun 11, 2020, at 2:05 AM, Sindelar Solar  wrote:
> 
> Wrenches,
> 
> Here's one I haven't encountered before, and I'm interested in the range of 
> opinions I may receive.
> 
> My battery supplier screwed up, and they admit it. On April 27 I ordered a 
> 24V set of 2V Surrette L16 FLAs for a long time client; note that these were 
> the client's choice after his extensive research. The lead time was estimated 
> at 10-12 weeks. Today I got the news that the distribution center in Reno had 
> not placed the order, as collective orders for Rolls batteries were so slow 
> during Covid that they hadn't wanted to ship just one set. 
> 
> I was told that they had a set in the Reno warehouse that they could bring to 
> Albuquerque that had a manufacture date of 6/26/2019. I was told that at rest 
> the 12 cells showed an average resting voltage of 2.14 vpc, with the highest 
> at 2.18V and the lowest at 2.08V.
> 
> I was offered them at a discount of ~18% off of my dealer cost.
> 
> Should I have any hesitation about accepting and installing a set that has 
> sat at rest for nearly a year? The alternative is to start over with the 
> 10-12 week lead time, unless we can arrange a rush delivery. 
> 
> Opinions welcome here, please.
> 
> Allan
> 
> -- 
> Allan Sindelar
> al...@sindelarsolar.com <mailto:al...@sindelarsolar.com>
> NABCEP Certified PV Installation Professional (charter certificant) 
> #102503-52 
> New Mexico EE98J Journeyman Electrician
> Founder (Retired), Positive Energy, Inc.
> 505 780-2738 cell
>  
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Re: [RE-wrenches] Rapid Shutdown Compliance

[Tump]

How about a SPDT switch, all one is doing is supplying AC voltage from the 
utility,  (powering the MLPE box's Ac to Dc converter) their utility or SSP 
from the SB’s utility. 
> On May 4, 2020, at 8:04 PM,  
>  wrote:
> 
> Many customers ask about keeping power alive when the grid is down. Besides 
> battery backup, I advocate the Secure Power feature of SunnyBoy inverters.
> But the problem with MLPE is that it is incompatible with Secure Power. When 
> the grid goes down the MLPE disconnect each solar module's DC feed. So when 
> the Secure Power activation switch is thrown there is no DC to power it up, 
> even if the Secure Power output is fed to the MLPE power feedin.
> So I have only been able to install SunnyBoy Secure Power on existing systems 
> without Rapid Shutdown MLPE. 
> 
> Does anyone have a work around for this, short of installing a separate small 
> battery backed inverter to keep the MLPE alive?
> 
> Don Barch
> Energy Solar
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Re: [RE-wrenches] Name that Racking

[Tump]

Snap n rac series 200
> On Apr 30, 2020, at 12:17 PM, Dave Tedeyan  <mailto:dtede...@taitem.com>> wrote:
> 
> Hi All, 
> Does anyone know what kind of racking is shown in the attached photos?
> I just need to get a few midclamps to add a couple modules, but have not seen 
> it before.
> Thanks!
> -Dave
> 
> Dave Tedeyan, PE
> Senior Engineer | Taitem Engineering, PC
> 
> 110 South Albany Street | Ithaca, NY 14850
> o. 607.277.1118 x121  f. 607.277.2119
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Re: [RE-wrenches] Rapid Shutdown Compliance

[Tump]

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Re: [RE-wrenches] Stand alone battery charger

[Tump]

KISS…. have you checked the low voltage setting on AC2? Make sure that is is 
not set  to the default settings. AC Transfer time? I set to the lowest time, I 
believe its 1.
You also have 4 inverters what IS the charge setting of these units? "Gen 
assist" enabled?
Info from Schneider engineer below;
The AGS will cause XW+ to disconnect the generator when a stop signal is sent 
(Auto Stop) for the generator cool down period (user adjustable-AGS>Advanced 
Settings>Cfg Gen). If you are just manually stopping the generator, then it is 
possible for the XW+ to stay connected all the way down to 80V unless you 
increase that low AC value in XW+>Advanced Settings>AC Settings menu. AC2 
transfer time may also be adjusted (default is 40s) using Combox, Gateway or 
Config Tool.   This is the time it takes to switch from gen to inverting. 
Hope that helps,
Eric
> On Apr 21, 2020, at 4:27 PM, Jason Szumlanski 
>  wrote:
> 
> The issue is during switching only. During inverter operation everything is 
> silky smooth. During generator operation things are mostly smooth, but large 
> loads that come on or off during heavy charging can cause some surging, but 
> that is more a function of a junky generator (which was just replaced with a 
> better unit).
> 
> So the natural conclusion by the client is let's just run on battery/inverter 
> all the time. And it does make sense. And it's his money.
> 
> 
> 
>  
> <https://mailtrack.io/trace/link/dc9d2bf1a6ed3ab2028d0191fb091d7f7b046263?url=http%3A%2F%2Fwww.floridasolardesigngroup.com%2F=1613865=c26b4cee42f4b8bf>
>  
> Jason Szumlanski
> Principal Solar Designer | Florida Solar Design Group
>   (239) 491-8010  (239) 410-4985 <>
>   www.FloridaSolarDesignGroup.com 
> <https://mailtrack.io/trace/link/464d6a4b34062e0cbcfd59d1f4a207c11a2d53b7?url=http%3A%2F%2Fwww.FloridaSolarDesignGroup.com=1613865=16e1359b785e0007>
>  
> <https://mailtrack.io/trace/link/38ee09c99b0ee769df9018eb52064a2c08fe278d?url=https%3A%2F%2Fwww.facebook.com%2Ffloridasolardesigngroup=1613865=8df3f0a92f6bc4ae>
>  
> <https://mailtrack.io/trace/link/edb92861accc03f7644281408fa3391d8a074349?url=https%3A%2F%2Ftwitter.com%2FFloridaSolarDG=1613865=312d2a620b1390ac>
>  
> <https://mailtrack.io/trace/link/eed1c529ac3a8ee695b595899cb22ae6f30ed648?url=https%3A%2F%2Fwww.youtube.com%2Fchannel%2FUCjnsYt5r7DNJD3ZnqI10j8g=1613865=cd4b0a1c5dd743d5>
> 
> 
> 
> On Tue, Apr 21, 2020 at 2:29 PM Ray  <mailto:r...@solarray.com>> wrote:
> Are you sure its just the transfer switching causing problems?  I've seen 
> quite a bit of lights dimming, flickering, and strangeness with XW inverters 
> ( and many others) just in normal operation.  Certain LEDs are particularly 
> sensitive, just another appliance coming on can cause noticeable flicker that 
> bothers some clients.  Our solution was to try different brands of LEDs till 
> we found ones that had less trouble.  I recall the Phillips ones being good, 
> but you would have to test a few to see. 
> Ray Walters
> Remote Solar
> 303 505-8760
> On 4/21/20 12:26 PM, Jason Szumlanski wrote:
>> I have not looked into that, but the problem also exists transferring from 
>> inverter to generator. The owner wants "clean" power all the time, and just 
>> keeping him on inverter power all the time would be a solution. 
>> 
>> 
>> 
>> 
>> On Tue, Apr 21, 2020 at 9:35 AM Tump mailto:t...@swnl.net>> 
>> wrote:
>> Have you shortened the transfer time from gen to inv, voltage “cut 
>> out"acceptance of the gen in power instead of their 90Vac to say 110V/L ? 
>> Raising the output voltage on the 6848s & gen set for VD/voltage sag issues 
>> under heavy loading? Watch this as sometimes under heavy loading it will cut 
>> the AC input. I use the config tool to address this kind of issue, gives me 
>> a bit more control. 
>>  I have a client that has a large external battery charger similar to a fork 
>> truck unit that he alleges causes "dirty power" while the genset is 
>> supplying power to the charger, w/o charging thru the inverters. 
>> Unfortunately w/ the virus I have yet to confirm.
>>> On Apr 21, 2020, at 8:27 AM, Jason Szumlanski 
>>> >> <mailto:ja...@floridasolardesigngroup.com>> wrote:
>>> 
>>> I actually need 400Adc at 51V nominal of total charge rate. I was hoping to 
>>> use 100Adc chargers for redundancy, or some combination of 2-8 chargers to 
>>> reach the needed current, assuming they can be synced up. I don't think the 
>>> charging algorithm needs to be complicated. We are basically bulk charging 
>>> the LiPOs to 80% w

Re: [RE-wrenches] Stand alone battery charger

[Tump]

_
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Re: [RE-wrenches] Rectifier

[Tump]

ge.
>>>  
>>> I am looking for feedback on this concept.  What do you think?
>>>  
>>> Also, are there any recommendations for good quality rectifiers with wide 
>>> input voltage window?  
>>>  
>>> Thanks in advance for your help
>>>  
>>> -- 
>>>  
>>>  
>>>  
>>> Mac Lewis
>>> 
>>> "Yo solo sé que no sé nada." -Sócrates
>>> 
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Tump]

3bbd3326fd7073c2c?url=http%3A%2F%2Fwww.members.re-wrenches.org=1613865=b7fe990e7c6ebc5d>
>>>>> 
>>>> 
>>>> -- 
>>>> ~~~
>>>> Jeff Clearwater
>>>> VillageLab
>>>> Village Power Design
>>>> linkedin 
>>>> <https://mailtrack.io/trace/link/2b6554cfd6030cb29629ba73171aee87bce557b7?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fjeff-clearwater-0622a312%2F=1613865=b502f02a345c328a>
>>>>  
>>>> www.villagelab.net 
>>>> <https://mailtrack.io/trace/link/eaf54fba7350e494de8685771adb3c8b610c0ce2?url=http%3A%2F%2Fwww.villagelab.net=1613865=a7fed555763946d9>
>>>> www.villagepowerdesign.com 
>>>> <https://mailtrack.io/trace/link/f35711ff79b27a2638bcbd392a1b2d9a09c7df5e?url=http%3A%2F%2Fwww.villagepowerdesign.com=1613865=aa4a4ddfbb35eb35>
>>>> skype - jclearwater
>>>> zoom by request
>>>> cell - 413-559-9763
>>>> ~~~
>>>> 
>>>> 
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> 
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Re: [RE-wrenches] Xantrex MPPT 80 600 Not Showing Up in SCP

[Tump]

5d>
>>>> 
>>> 
>>> -- 
>>> ~~~
>>> Jeff Clearwater
>>> VillageLab
>>> Village Power Design
>>> linkedin 
>>> <https://mailtrack.io/trace/link/2b6554cfd6030cb29629ba73171aee87bce557b7?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fjeff-clearwater-0622a312%2F=1613865=b502f02a345c328a>
>>>  
>>> www.villagelab.net 
>>> <https://mailtrack.io/trace/link/eaf54fba7350e494de8685771adb3c8b610c0ce2?url=http%3A%2F%2Fwww.villagelab.net=1613865=a7fed555763946d9>
>>> www.villagepowerdesign.com 
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>>> skype - jclearwater
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Re: [RE-wrenches] Rectifier

[Tump]

Whats the voltage required/current?
> On Apr 17, 2020, at 9:14 AM, Mac Lewis  wrote:
> 
> Hi wrenches,
> 
> I've got a architect client with a sub-optimal power situation on one of the 
> projects he is working on.  I'm running through a couple of scenarios that 
> may work.  Its a ADU (accessory dwelling unit) that is about 1100' from 
> power.  The farmer had taken it upon himself to bury some 4/0 a few years ago 
> to run power out there.  Voltage drop is the big issue and its not going to 
> pass the AHJ inspection.  We could just ditch the grid and go off-grid, but 
> it seems like a shame to not tap into the grid resource.  Instead of dealing 
> with the voltage drop, I was thinking it may make sense to rectify that low 
> AC voltage input and parallel a smallish battery bank (size is yet to be 
> determined), then use an off-grid inverter to serve the loads at good voltage.
> 
> I am looking for feedback on this concept.  What do you think?
> 
> Also, are there any recommendations for good quality rectifiers with wide 
> input voltage window?  
> 
> Thanks in advance for your help
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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Re: [RE-wrenches] Generator surging

[Tump]

t; On Wed, Mar 18, 2020, 4:04 PM William Miller > <mailto:will...@millersolar.com>> wrote:
>> Friends:
>>  
>> I have a 24kW Radian system that is acting up.  The problem is when the 
>> generator is running, it surges.  Voltage and power go up and down.  We 
>> connected the generator to a load bank and there was no surging.  This makes 
>> me think the problem is in the Radian system.
>>  
>> Has anyone else experienced this?
>>  
>> Thanks in advance for any input.
>>  
>> William Miller
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>>  
>> -- 
>>  
>>  
>>  
>> Mac Lewis
>> 
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>> 
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Re: [RE-wrenches] Optics systems ghost reprogramming

[Tump]

Please be aware that the files that are stored in the Mates are not able to be 
overwritten, and this leads to corrupted data among other mystery issues. 
Contact Kris Stone, a former OB employee, he has the ability to erase the old 
files. I no longer travel w/o updated M3s and the firmware to up date. IF I 
have an issue, I will copy settings in the older Mate and leave my new one in 
place until I get it addressed by Kris.
FYI OB just closed down 1 their offices and moved (those who still had jobs) to 
I believe Bellingham. Lonus?
Kris Stone, 425-233-0731 stkri...@yahoo.com
> On Mar 16, 2020, at 6:37 PM, Dan Fink  wrote:
> 
> William, Michael; I have never seen spontaneous reprogramming of the AGS, but 
> it sure does give me something to watch out for on the Optics systems I've 
> installed, thanks for that!
> 
> What I did see (last month) was an Optics system (no AGS) shut down the web 
> gateway, saying the firmware in the charge controllers (old MX60s) and the 
> Flexnet DC need to be updated, but all are too old, the firmware can't be 
> updated as far as I know. It also lost the Port #s for the 2 MX60s and 
> FlexNet DC and needs them re-entered. 
> 
> Oddly, the battery SOC is the only data showing in the Optics Portal, but 
> it's saying 67% SOC, which (I hope!) is incorrect, as the site has had full 
> sun, hardly a cloud in the sky, for over 3 days now, and the system is 
> designed to charge from 50% SOC to full on one sunny day.
> 
> The Mate 3S firmware isn't flagged for an update, but there is a newer 
> version out. I plan to update the Mate 3S, re-enter the Port assignments and 
> hope that fixes the problem. Because the system is 200 miles away and I have 
> no way now of knowing if it's even charging right now.
> 
> Will be watching this thread closely!.
> 
> Dan Fink
> Executive Director, Buckville Energy Consulting
> NABCEP PV Associate
> NABCEP Certified PV System Inspector
> IREC Certified Instructor™ for: 
> ~ PV Installation Professional
> ~ Small Wind Installer
> NABCEP Registered Continuing Education Providers
> d <mailto:dan.f...@greendustrialtraining.com>anbo...@gmail.com 
> <mailto:anbo...@gmail.com>
> 970-672-4342
> 
>  
> 
> 
> On Mon, Mar 16, 2020 at 1:48 PM William Miller  <mailto:will...@millersolar.com>> wrote:
> Colleagues:
> 
>  
> Over time we have seen our Outback Optics systems reprogramming themselves.  
> The latest manifestation is seeing the AGS change from Auto to Off.  I would 
> suggest if you have Optics systems you might log in and check this.  Damage 
> can be done to batteries and your credibility if a generator auto-start is 
> expected and does not occur.
> 
>  
> I would be interested in hearing if any of you have experienced any “ghost” 
> reprogramming of any Outback systems.
> 
>  
> Thanks,
> 
>  
> William Miller
> 
>  
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Re: [RE-wrenches] Brown-Out Prone Opportunity Charging

[Tump]

Check out the Victron line of Chargers as well as the inverter charger units. 
AC in 187-265 45-65 Hz. for the inverters 230V/50Hz, inverter.
Please feel free to e mail me 4 additional info. Great BT support / internet 
access. well thought out product.
> On Mar 13, 2020, at 5:11 PM, Jerry Shafer  wrote:
> 
> Jeff
> I have been there too in most cases we have programmed in the VAC max/mins 
> with tighter setting so as the grid starts to go we just disconnect. I did 
> just do a charger instead of the inverter because the grid was generally low 
> on frequency but the charger just charged and l see it on optics when that 
> happens
> Jerry
> 
> On Fri, Mar 13, 2020, 12:03 PM Jeff Clearwater  <mailto:je...@villagepowerdesign.com>> wrote:
> Good Day Esteemed Wrenchers,
> 
> So we are doing more work in developing countries where the grid is super 
> unreliable but on for some hours almost daily.
> 
> So let's say we have a grid that's on 9 AM - 11 AM and 4 PM - 7 PM each day 
> but often browns-out during those hours and comes on and off during those 
> hours. 230 VAC voltage can drop to 160-180 periodically or go above 260 in 
> spikes.
> 
> The present practice in many of these situations is for battery based system 
> designers/installers is to set up an off-grid system in parallel to the mains 
> but not relying on them - so the grid AC IN is not connected.  They just 
> install a transfer switch and manually switch or they wire a critical loads 
> panel to the solar.
> 
> This avoids constant switching and nuisance shut-downs from the battery 
> inverter and protects it from burning out trying to handle the grid.
> 
> MY QUESTION:
> 
> I'm wondering what we can do to use the grid when it is up for opportunity 
> charging of the batteries while at the same time not subjecting our nice new 
> battery inverters to constant brown-out tripping and possibly long term 
> damage.
> 
> So question #1 - Is anyone using existing battery inverters but succesfully 
> navigating such a grid variablity settings such that you are able to take 
> advantage of the grid even if browning out often?
> 
> or question #2 - Can we add some sort of high Voltage and Frequency tolerant 
> battery charger to the system - keep the battery inverter/charger off grid - 
> but charge the batteries from something able to handle the wonky grid without 
> constantly nuisance charging or burning itself up?
> 
> Your thoughts and wisdom I await!!!
> 
> Best,
> 
> Jeff
> 
> 
> -- 
> ~~~
> Jeff Clearwater
> Village Power Design
> linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/> 
> www.villagepowerdesign.com <http://www.villagepowerdesign.com/>
> cell - 413-559-9763
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>
> 

[RE-wrenches] Old & new Enphase communication issues

[Tump]

Anyone have experience as to wether the Enphase Envoy w/ M215 & the new Enphase 
products are compatible? I have a client that is interest in adding additional 
modules & inverters and I don’t want issues regarding mapping & online info. 
Thanks in advance. T
> t...@swnl.net 
> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>  
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> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>  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] New member

[Tump]

Contact Mother Michale Welch, RE Wrench list moderator, info bottom to the page.

> On Feb 1, 2020, at 4:45 PM, gary easton  wrote:
> 
> No one knows?
> 
> On Fri, Jan 31, 2020 at 10:25 AM gary easton  <mailto:g...@arp-solar.com>> wrote:
> I am sorry for this off topic question but how do I suggest a new member?
> 
> -- 
> Sunny Regards,
> 
> Gary Easton
> Appalachian Renewable Power Celebrating over 10 years of bringing power 
> to the people!
> 10131 Haga Ridge Stewart, Ohio 45778
> NABCEP Certified Solar PV #031508-29  
>
> T: 740-277-8498 <>
> www.arp-solar.com <http://www.arp-solar.com/>
> 
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[RE-wrenches] Remote monitoring & BT connectivity

[Tump]

rs old.
>>>> 
>>>> For some reason, we cannot make changes to the system via the portal.  The 
>>>> monitoring is much better but the control isn't functional.  When I make a 
>>>> parameter change, it asks for the username and password but then gives 
>>>> this error every time:
>>>> 
>>>> 
>>>> 
>>>> I verified that I am entering the Gateway admin username and the new 
>>>> password that I assigned.  I can log into it locally, directly through the 
>>>> Access Pt functionality.
>>>> 
>>>> Any suggestions?  Schneider isn't responding and its a snow cat ride to 
>>>> get into the site.
>>>> 
>>>> Thanks
>>>> 
>>>> 
>>>> 
>>>> -- 
>>>> 
>>>> 
>>>> 
>>>> Mac Lewis
>>>> 
>>>> "Yo solo sé que no sé nada." -Sócrates
>>>> 
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>> 
>> -- 
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>> www.villagepowerdesign.com <http://www.villagepowerdesign.com/>
>> cell - 413-559-9763
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[RE-wrenches] Schnieders LACK OF SUPPORT!

[Tump]

Im sorry, BUT Sandra you should NOT be the ONLY resort to Schnieders LACK OF 
SUPPORT! 
This has been an issue for a long time. WTFO Schneider, Tristen, Jack, lets get 
corporate in on these frustrations! We as installers are providing you folks 
jobs, because we purchase components with the belief that said products are 
ready TO INSTALL remotely OR connected to the grid. You folks get your 
paychecks despite how poor/ non existent the “support” is, while we loose 
clients.
> On Jan 31, 2020, at 9:33 AM, Sandra Herrera  wrote:
> 
> Mac,
>  
> Please verify you have the latest firmware on the Gateway.
> Also send me a screenshot of the about page, of the Gateway.
> Contact me directly, thanks 
>  
> Sandra Herrera
> sandra.herr...@se.com <mailto:sandra.herr...@se.com>
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Mac Lewis
> Sent: Friday, January 31, 2020 6:10 AM
> To: RE-wrenches  <mailto:re-wrenches@lists.re-wrenches.org>>
> Subject: [RE-wrenches] Conext Gateway Control
>  
> [External email: Use caution with links and attachments]
> 
>  
> 
> Hi Wrenches, 
>  
> I am working with Schneider on this but I haven't heard back in a few days so 
> I thought I'd put it out to the list to see if anyone else has worked through 
> this.
>  
> We recently installed our first Conext Gateway in hopes of getting better 
> monitoring and control through Insight 2 portal.  We installed it on an XW 
> 5548, AGS, Batt Mon, HV-MPPT charge controller ~ 4 years old.
>  
> For some reason, we cannot make changes to the system via the portal.  The 
> monitoring is much better but the control isn't functional.  When I make a 
> parameter change, it asks for the username and password but then gives this 
> error every time:
> 
>  
> I verified that I am entering the Gateway admin username and the new password 
> that I assigned.  I can log into it locally, directly through the Access Pt 
> functionality.
>  
> Any suggestions?  Schneider isn't responding and its a snow cat ride to get 
> into the site.
>  
> Thanks
>  
>  
>  
> -- 
>  
>  
>  
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
> 
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[RE-wrenches] Tool rental for THD

[Tump]

A bit off topic, BUT testing equipment from these folks is a really great way 
to go;www.trsrentelco.com <http://www.trsrentelco.com/>. GREAT, PROMPT, cost 
effective tool rental and service. I rent the Fluke 1735 or the 1738 power 
logger for a month its under $300.00
> On Jan 23, 2020, at 3:16 PM, William Miller  wrote:
> 
> Colleagues:
>  
> In a recent post about some AC GFI tripping problems, I mentioned I am 
> measuring some high THD readings in certain scenarios—the highest being when 
> the generator is charging at high percentages:
>  
> Inverter only: 2.5% THD
> Gen Max: 19% THD
> Gen 5 Amps: 8% THD
>  
> I measured the THD using a Fluke VR1710 .  This 
> is a handy little gizmo and pretty expensive considering its size.  The 
> device has limitations:
> 1.   It is cord connected.
> 2.   Results cannot be viewed in real-time.
> 3.   It measures voltage parameters only.
>  
> Here are my questions:
>  
> 1.   Has anyone here had to consider problems with high THD in any off-grid 
> scenarios?
> 2.   What readings are normal?
> 3.   What is the significance of voltage harmonics versus current harmonics?
> 4.   What instruments are you using to measure THD?
> 5.   Has anyone seen high THD causing AC GFI tripping?
> 6.   What other symptoms might occur with high THD?
>  
> Tip: The reason we first started suspecting high THD is that cheap voltmeters 
> registered abnormally high (including the onboard Radian metering) during 
> periods of high THD, while true RMS meters (Fluke 87) continued to measure 
> normal AC voltages.  If you experience this situation, high THD is suspect.
>  
> Answers are always gratefully appreciated.
>  
> William Miller
>  
> PS:  If you are receiving a BCC of this email, it is because you are part of 
> the team working on this problem.  The message is directed to an industry 
> forum in hopes of gleaning additional knowledge.  I will share any results I 
> receive.
>  
> Wm
>  
> Miller Solar
> 17395 Oak Road, Atascadero, CA 93422
> 805-438-5600
> www.millersolar.com <http://www.millersolar.com/>
> CA Lic. 773985
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>
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Re: [RE-wrenches] SI 5048 and replacement Lithium Ion battery bank

[Tump]

Have you tried Hassan Taylor at SMA?  Perhaps the default begin charging 
settings of 70% SOC may not be acceptable to the newer battery tech. 
Victron has inverters quite similar to the SMA line and their LiFe battery line 
along w/ their BMS, performs quite well.
I have used LiFe but Im still NOT sold on them. We, as an industry, have 
repeatably been offered the latest & greatest, "were here for the long run” 
manufacturers, only to be left holding the unanswered phone. Aquion anyone?
That being said, I really have not found FLA/ AGM battery performance, venting 
or installations to be too tough. 

> On Jan 7, 2020, at 4:11 PM, Ray  wrote:
> 
> I recently contacted SMA about their requirement that if the LI+ battery 
> isn't on their list, that we must use Lead acid.  I consider that to be a 
> really poor answer;  just because they haven't tested it, we should not be 
> forced to use a much worse alternative.  Yes, they would prefer to have all 
> their tech communicate with the battery tech, but telling us to use lead 
> acid, that has no communications available at all is the answer?Lead 
> and Sulfuric acid that off gases deadly H2S, with no internal BMS at all, 
> inefficient overall performance, and short life is preferred ??!
> On top of that, SMA has no one that can even answer questions on the Sunny 
> Island systems at all.  Tech support can't or won't answer any of our 
> questions.  Repeated emails to Heiko Stieber (apparently the only one there 
> that knows) have gone unanswered.  We are in the middle of a large 4 system 
> project, that would have used 15 Sunny Island inverters, but we had to switch 
> to Schneider, because of the utter lack of technical support for battery 
> based systems from SMA.  We were also considering the Tripower Storage 60, 
> but it is only available in Europe, and once again, we can't get any support 
> or info on that product either.  
> My decision process works like this: if you can't answer tech questions in 
> the design phase, where are we going to be when we're trouble shooting this 
> equipment in some remote location later?
> 
> Answer: SMA is not a viable option at this time.
> 
> Too bad, I've been installing their equipment for almost 20 years, they were 
> our first choice too
> 
> And back to Carl's question: most of the batteries on SMA's approved list 
> aren't even available in the US..so no, we don't have experience with 
> them.
> 
> Rant off,
> Ray Walters
> Remote Solar
> 303 505-8760
> On 1/7/20 12:08 PM, Carl Adams wrote:
>> Hello Wrenches,
>> I have a SI 5048 system installed in 2012 with Concorde PVX-4050HT AGM 
>> battery bank.  The system has shut down a couple of times with low battery 
>> voltage and it seems the batteries may be on their way out.  There are some 
>> signs of seepage on a couple of these sealed batteries.  A few pictures 
>> attached.  
>> 
>> System owner would like to consider a Lithium Ion replacement.  SMA provided 
>> the attached list of compatible batteries.  Can any of you provide your 
>> experience with these batteries or others which could work for this 
>> application?
>> 
>> With Kind Regards
>> Carl Adams
>> SunRock Solar
>> 
>> 
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Re: [RE-wrenches] Xantrex SW 4048 grid tie mystery

[Tump]

With this set up the AC feed into the grid is not constant. The current will 
ramp up then back down. Open the connection end of the inverters and you will 
see a small black (behind the cardboard) cord/plug that can be disconnected to 
confirm operation & disable ramping effect. As long as the inverters are 
connected to L1/L2 respectfully as individual inverters then this should work. 
I do have the cable, but its really not the most efficient AC coupling design 
out there.
The SWs still can be repaired using older boards but its pricy,  there is a 
market for them so  you might be able to sell them and purchase something a bit 
more up to date. I have the cable & a refurbished XW5548 contact me off list if 
interested. Tump
> On Dec 20, 2019, at 2:18 PM, Lloyd Hoffstatter 
>  wrote:
> 
> Dave,
>  
> Guessing it’s a synchronization problem between the two inverters.
> Depending on the placement of the grid tie breakers, the two inverters are 
> presenting themselves as either in parallel (2 x 120v sources on the same 
> leg) or “series” (120 / 240 on two 120V legs).
> The attached manual excerpt and tech note talk about both.  Seems that you 
> need a synch cable in either case, recently did a rebuild on an SW 5048 (pm 
> for internals rebuilder info) and needed cable to get both inverters to work 
> properly.
>  
> Have at least one grid-tie / backup system that has been running for years 
> with dual SW / GTI’s – time for battery replacement, rest of system still 
> going…
>  
> Best regards,
> Lloyd
> Lloyd Hoffstatter
> Sunstruck Consulting
>  
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
>  
> From: Dave Tedeyan <mailto:dtede...@taitem.com>
> Sent: Friday, December 20, 2019 1:03 PM
> To: offgridso...@sti.net <mailto:offgridso...@sti.net>; RE-wrenches 
> <mailto:re-wrenches@lists.re-wrenches.org>
> Subject: Re: [RE-wrenches] Xantrex SW 4048 grid tie mystery
>  
> Dave,
> Sorry, misspeak on my part. It is DC negatives and grounds that are tied 
> together. No neutrals in the DC box.
> Cheers,
> Dave
>  
> Dave Tedeyan, PE
> Senior Engineer | Taitem Engineering, PC
> 
> 110 South Albany Street | Ithaca, NY 14850
> o. 607.277.1118 x121  f. 607.277.2119
> www.taitem.com <http://www.taitem.com/>
>  
> Solar • Sustainability • Energy • Design
> Certified B-Corporation since 2013
>  
>  
> On Fri, Dec 20, 2019 at 12:57 PM Dave Angelini Offgrid Solar 
> mailto:offgridso...@sti.net>> wrote:
> Why would neutral be in the DC conduit box? This just wrong but I doubt this 
> is the problem.
> 
> Since this never worked properly or has not in 13 years, I would suggest 
> replacement with modern equipment. SW from xantrex has been out of support 
> for around 15 years and always was a headache grid tied, in my opinion.
> 
> Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/>
> e-mail  offgridso...@sti.net <mailto:offgridso...@sti.net>
> text 209 813 0060
> On Fri, 20 Dec 2019 12:44:42 -0500, Dave Tedeyan  <mailto:dtede...@taitem.com>> wrote:
> 
> Hi All,  
>  
> I am someone's last ditch effort to get their system working which has been 
> non-functional since a few months after installation, 13 years ago...
>  
> After getting some new batteries in there, I can at least fire it up. It is a 
> grid tie with battery backup situation with two Xantrex SW4048 inverters. 
> Each inverter is kind of like its own system with two Outback MX60 CC's per 
> inverter, and each inverter powers its own 120V backed up loads panel. They 
> do not see each other until their 60A single pole breakers in the main panel. 
>  
> What seems to be happening is that after turning on the inverters the AC1 in 
> good light will flash for about 30 seconds, then it syncs up to the grid and 
> the light stays on solid. But then after a little bit, that light will start 
> flashing, indicating that the utility power has been dropped, when it has not 
> actually been dropped. Then at some point the backed up loads would lose 
> power. The customer says that every 1-10 minutes, they would lose the backed 
> up loads for 10-90 seconds. This happened all night long until they bypassed 
> the inverters.
>  
> There are a few other things of note:
> 1. There is a Xantrex GTI for each inverter.
> 2. I see in the manual there is information about stacking the inverters, but 
> I am guessing in this setup this not necessary or would even be counter 
> productive to stack the inverters. Not sure if the inverters not being 
> stacked could cause one of them to unsync with the utility?
> 3. Neu

Re: [RE-wrenches] SMA connection box access

[Tump]

You might find the Arctic flex or similar product from cobra w/ adequate 
ampacity rating using your #8 awg/ 85 A @30c
www.polarwire.com  
<https://www.google.com/url?sa=t=j==s=web=1=2ahUKEwit17PWipzmAhXttlkKHZNQDFQQFjAAegQIARAC=http%3A%2F%2Fwww.polarwire.com%2Fpdfs%2F2-13.pdf=AOvVaw1MhtmkEkqVzOlT-APGtF2J>
> On Dec 3, 2019, at 10:15 PM, Jerry Shafer  wrote:
> 
> Wrenches 
> It has always been a "no no" to modify any inverter due to warranty concerns 
> but with the -41 if there is an issue it's only the top half of the inverter 
> now to swap so that's a plus but l would get it in writing first anyway to be 
> safe
> Jerry
> 
> On Tue, Dec 3, 2019, 6:05 PM frenergy  <mailto:frene...@psln.com>> wrote:
> Wrenchers,
> 
> This particular install requires 6 Gauge for the AC output from a 
> few SB7.7..-41 inverters (for voltage drop). Pretty tight for the 3/4" 
> knock-outs in that inverter.  Any harm in using a step-drill to open it up to 
> a 1" KO?  Any experiences with this?  I'm trying to avoid a J-box with a 
> transition to 8 Gauge with 4-14 Polaris connectors.
> 
> Bill
> 
> Feather River Solar Electric
> Bill Battagin, Owner
> 4291 Nelson St.
> Taylorsville, CA 95983
> 530.284.7849
> CA Lic 874049
> www.frenergy.net <http://www.frenergy.net/>
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Re: [RE-wrenches] HUP cell removal

[Tump]

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Re: [RE-wrenches] 24 volt LiFePO4 Battery options

[Tump]

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Re: [RE-wrenches] Flex panels?

[Tump]

Contact  Joe Marieno @Mia Sole 707-331-4030
> On Sep 18, 2019, at 12:22 PM, Dana  wrote:
> 
> Hey there All – 
>  
> I have a new client that has an over the top [$100K+] 4X4 off road camper 
> that has glued down flex PV modules that have died, faded PCV front sheets 
> with no output.
> I suggested a framed module but client in more interested in a flexible type 
> of glue down module.
>  
> Any suggestions on a flexible possibly glue down type of PV module, supplier 
> suggestions?
> Thanks in advance.
>  
>  
>  
> Dana Orzel  Great Solar Works, Inc. 
> C - 208.721.7003   d...@solarwork.com 
> <mailto:d...@solarwork.com>
> Idaho Contractor - # 028765 Idaho PV # 028374
> NABCEP # 051112-136   www.solarwork.com 
> <http://www.solarwork.com/>
> "Responsible Technologies for Responsible People since 1988"  
> P Please consider the environment before printing this email.
>  
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Re: [RE-wrenches] Large off-grid inverter/storage

[Tump]

Victron has 10kW/120/100A pass thru, inverters and do your self a favor, buy 
individual 2 volt batteries. Cells DO GO BAD and replacing a cell in a HUPs 
battery is a CF. AND they really are a pain to install.
> On Sep 5, 2019, at 10:50 PM, David Katz  wrote:
> 
> The sentence “25KW per hour“ does not make sense. Do they mean 25KWh per 
> hour? That would be 600 KWh per day! That would require over 200KW of PV. 
> David Katz 
> 
> On Thu, Sep 5, 2019 at 3:33 PM Dave Angelini Offgrid Solar 
> mailto:offgridso...@sti.net>> wrote:
> I often find that numbers like 25KW per hour are just overblown and the rest 
> of the Offgrid load power data is too high.
> 
> Offgrid is all about the state of the art in not needing high power levels by 
> using the best equipment available for the loads.
> 
> One can't simply take a power bill from a utility and try to duplicate it 
> offgrid. The loads have to be reduced drastically. 
> 
> Maybe this is not the case here and if so I digress. Good Luck
> 
> Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/>
> e-mail  offgridso...@sti.net <mailto:offgridso...@sti.net>
> text 209 813 0060
> On Thu, 5 Sep 2019 16:16:27 -0600, "Dana"  <mailto:d...@solarwork.com>> wrote:
> 
>> You will have to park the ‘Package’ somewhere… Yeah off grid takes space & 
>> WLA batteries like to be warm in the winter & not too hot in the summer.
>> 
>> Basements? Dedicated building? Storage container [insulated]?
>> 
>> Radiant floors make for happy batteries. Cool in summer & warm in winter.
>> 
>>  
>>  
>>  
>> Dana Orzel  Great Solar Works, Inc.
>> 
>> C - 208.721.7003   d...@solarwork.com 
>> <mailto:d...@solarwork.com>
>> Idaho Contractor - # 028765 Idaho PV # 028374
>> 
>> NABCEP # 051112-136   www.solarwork.com 
>> <http://www.solarwork.com/>
>> "Responsible Technologies for Responsible People since 1988" 
>> 
>> P Please consider the environment before printing this email.
>> 
>>  
>>  
>> From: RE-wrenches > <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of Andrew
>> Sent: Thursday, September 05, 2019 3:15 PM
>> To: RE-wrenches > <mailto:re-wrenches@lists.re-wrenches.org>>
>> Subject: [RE-wrenches] Large off-grid inverter/storage
>> 
>>  
>> Hey Everyone,
>> 
>> I have been recently been getting more and more inquiries 
>> for some quite large off-grid sytems(25kw per hour) and seeing what you guys 
>> have for suggestions on bigger inverters and storage systems?  I could do 2 
>> triple stack Schneider’s and a bunch of HUPS industrial batteries but it all 
>> just takes up so much space and I know there are some other companies out 
>> there with package units. Thoughts?
>> 
>>  
>> Andrew Perkins
>> 
>> Greenwired
>> 
>> P: 707-923-2001 ext. 100
>> 
>> 1150 #1 Evergreen Rd
>> 
>> Redway, CA 95560
>> 
>> www.greenwired.com <http://www.greenwired.com/>
>> 
>> 
>>  
> -- 
>  
>  
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Re: [RE-wrenches] Dead Outback mx60

[Tump]

Kris Stone 425-233-0731 worked at Ob and now doing repairs on those older units.
> On Jul 22, 2019, at 3:00 PM, Lloyd Hoffstatter 
>  wrote:
> 
> Bob,
>  
> Try Craig Wilburn at cr...@phantompowerservices.com 
> <mailto:cr...@phantompowerservices.com>
>  
> He rebuilt some boards for a SW4048 and may know the ins and outs of the MX 
> 60.
>  
> Best regards,
> Lloyd Hoffstatter
> Sunstruck Consulting
>  
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
>  
> From: RE-wrenches  <mailto:re-wrenches-boun...@lists.re-wrenches.org>> on behalf of RE Ellison 
> mailto:reelli...@gmail.com>>
> Sent: Sunday, July 21, 2019 4:19:47 PM
> To: re-wrenches@lists.re-wrenches.org 
> <mailto:re-wrenches@lists.re-wrenches.org>  <mailto:re-wrenches@lists.re-wrenches.org>>
> Subject: Re: [RE-wrenches] Dead Outback mx60
>  
> That originally said “I have a customer” I hate auto correct and spell check
> 
> Bob
> 
> > On Jul 21, 2019, at 4:18 PM, RE Ellison  > <mailto:reelli...@gmail.com>> wrote:
> > 
> > I’m a customer about three hours away with what I believe is a dead MX 60 
> > about 10 years old
> > He recently changed his own battery pack and I’m guessing that he did not 
> > shut off the breakers to the MX 60 when he disconnected the old pack
> > He says the screen is dead and it’s not charging and from conversation with 
> > him I believe him.
> > We’ve done cold resets and all the normal stuff so far.
> > 
> > Never had to get one of these repaired before, I understand outback doesn’t 
> > work on the older stuff
> > 
> > Is there somebody else that repairs these available ?
> > 
> > Thanks
> > Bob Ellison
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>
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Re: [RE-wrenches] Large Off-Grid Residential System

[Tump]

;
> 
> 
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
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[RE-wrenches] Quick Cable supplier

[Tump]

Any suggestions for a professional sales rep for Quick Cable would be 
appreciated.
Am in need of Magna Lugs that are listed for my QC crimper, available in a 
timely fashion.
Please contact me off list. thanks Tump

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Re: [RE-wrenches] trace sw remote display cable

[Tump]

IT IS NOT. I might have both, and the remote display if needed. T
> On May 20, 2019, at 1:20 PM, Brian Mehalic  wrote:
> 
> I'm pretty sure those are different cables, even though they both have the 
> same 25-pin connector on both ends (the SWI cable has fewer conductors than 
> the remote cable). It says right on the inverter to only use the special SWI 
> cable for stacking, and the literature refers to them as different cables 
> multiple times, while never mentioning that they can be used interchangeably. 
>  BTW, I'm really just passing this info on from Ed E!
> 
> Brian Mehalic 
> NABCEP Certified Solar PV Installation Professional™ R031508-59
> National Electrical Code® CMP-4 Member
> (520) 204-6639
> 
> Solar Energy International
> http://www.solarenergy.org <http://www.solarenergy.org/>
> 
> SEI Professional Services
> http://www.seisolarpros.com <http://www.seisolarpros.com/>
> 
> 
> 
> On Mon, May 20, 2019 at 9:34 AM jay  <mailto:jay.pe...@gmail.com>> wrote:
> Does anyone know if the remote display cable is the same as the stacking 
> cable?
> 
> For the trace/xantrex SW.
> 
> thx
> jay
> 
> peltz power
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Re: [RE-wrenches] Solar contractor insurance cancellation

[Tump]

Yep your going to look into Quaker mutual. FMI contact me off list. T
> On May 10, 2019, at 4:41 PM, Kirk Herander  wrote:
> 
> Hi Folks,
>  
> I got a call from my ins. agent today that my insurer, Liberty Mutual, will 
> not renew my policy: RE: “The following program is no longer being offered: 
> solar contracting coverage.” Was confirmed via certified mail. My agent says 
> it’s an across-the-board policy for Liberty.
> Anyone else heard of this by Liberty or any other insurer?? Hopefully this is 
> not an industry trend……
>  
> Kirk Herander
> Owner|Principal, VT Solar, LLC 
> Celebrating our 28th Anniversary 1991-2019
> www.vermontsolarnow.com 
> <https://nam02.safelinks.protection.outlook.com/?url=www.vermontsolarnow.com=02%7C01%7C%7C9f0330d75a244870112408d685311841%7C84df9e7fe9f640afb435%7C1%7C0%7C636842843233477645=0NjyuKeQbEK6245SNnk8X4XnP9Q%2B%2BqtvcALkdDghvk4%3D=0>
> dba Vermont Solar Engineering
> NABCEPTM  2003 Inaugural Certificant
> VT RE Incentive Program Partner
> 802.863.1202
>  
>  
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[RE-wrenches] MiaSolé thin film flexible solar panel

[Tump]

Does anyone have experience with this product, a phone # for these folks. Quite 
a write up, but I guess Id have to live in China if I wanted to do anything w/ 
them. No response w/ e mail. TiA Tump
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Re: [RE-wrenches] Fwd: Well Pump Sizing

[Tump]

My first recommendation is to confirm that the static level is OK during 
pumping, the second is; if he has used this scenario in the past and it has 
worked then Id pull the pump and check that the screen on the pump is not 
clogged or silt has not covered the pump + check for leaks in the input side of 
the Pres tank to pump. You can raise the pump higher if it has silted in. I 
have used soft start 3/4 pumps but I have larger 24V BBs
> On Apr 25, 2019, at 12:21 PM, Amos Post  wrote:
> 
> 
> 
> I have an off-grid customer who is having problems with his 10 year+ old 
> 1/2hp well pump.  It is running and running at 900watts constant and hardly 
> building pressure and even caused the 250amp breaker on his single VFX3524 
> inverter to trip.  He is running the pump at 240V off a x240 transformer and 
> thinking he might need to replace the pump and might want to go with a larger 
> 3/4hp pump for better performance and more future capacity.  Does anyone have 
> experience running 3/4hp pumps on this setup?  The pump is approx. 200’ down 
> in the well.
> 
> -- 
> 
>  Amos Post
>  Integrity Energy
>  O: 802.763.7023
>  C: 802.291.2188
>  ienergyVT.com <http://ienergyvt.com/>
>  
>  <http://ienergyvt.com/> 
> <https://www.facebook.com/integrityenergyllp?ref=br_tf>-- 
> 
>  Amos Post
>  Integrity Energy
>  W: 802.763.7023
>  C: 802.291.2188
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>  
>  
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Re: [RE-wrenches] Off-grid Sunny Island to backup

[Tump]

Mac having installed quite a few of these and having the SMA SIs installed and 
operating in my home, ( back up & off grid/ GT) please feel free to contact me 
off list. I would strongly concur w/ Bradly w/ his suggesting you utilize the 
dc coupling. Tump
> On Feb 18, 2019, at 8:19 AM, Mac Lewis  wrote:
> 
> Hello Wrenches,,
> 
> We have been asked to take an SMA Sunny Island System that is off-grid, and 
> convert it to a backup system (Quad stack).  Currently, this is a DC coupled 
> system using Midnite charge controllers.  We would like to add SMA grid-tied 
> inverters to backfeed excess power.  I have located this document:
> https://files.sma.de/dl/7910/SB-OffGrid-TI-US-en-19.pdf 
> <https://files.sma.de/dl/7910/SB-OffGrid-TI-US-en-19.pdf>
> 
> According to this document, there really isn't Sunny Boy inverters available 
> that can function as a backup for a system like this.  Is this true?  
> Do you know of any distributors that may have stock of the  SB TLUS-12 
> line of inverters that would work for this.
> 
> Thanks for your assistance
> 
> -- 
> 
> 
> 
> Mac Lewis
> 
> "Yo solo sé que no sé nada." -Sócrates
> 
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Re: [RE-wrenches] VFX Board compatibility

[Tump]

Hey John, & others; once again I suggest to folks on the list to put Kris 
Stone’s contact info in their contacts. He is a wealth of OB info and he is 
able to repair, upgrade ( quick turn around too) boards & has the knowledge to 
discuss issues & to address issues w/ the older OB products.
Kris Stone 425-233-0731 or stkri...@yahoo.com
tump
> On Feb 16, 2019, at 10:49 PM, John Blittersdorf  
> wrote:
> 
> Hi Group,
> I have quite a collection of VFX and GVFX inverters with board problems.  
> I am trying to get a few working by cannibalizing others.  To my knowledge 
> some boards are DC Voltage specific (ie FET Board),  Ac Board is common on 
> all FX series,  control board is voltage and grid vs off-grid specific.  I 
> have a control board that has a double pin selector for 12,24, or 48V.  Does 
> anyone know if my recollections above are correct  and if the control board 
> with the pin can be changed to the specific voltages just by moving the pin?
> 
> John Blittersdorf
> CV Wind Service
> 
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>
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Re: [RE-wrenches] Outback Boards

[Tump]

Kris Stone has worked for OB and is now on his own repairing boards. When I’m 
in there, replacing the fans is a no brainer. I will usually replace all the 
boards as most of my installs are off grid. Kris can “swap”/repair the boards 
IF they are repairable. stkri...@yahoo.com <mailto:stkri...@yahoo.com> 
425-233-0731
I do have boards if you need one. T
> On Feb 6, 2019, at 11:39 PM, John Blittersdorf  
> wrote:
> 
> I have often replaced single boards. Usually the control board but sometimes 
> the AC board or both.  If I remember right, the AC board is common on all, 
> the control board is different by DC voltage and whether grid tie or off grid 
> and the FET board is DC voltage specific. Not including European and mobile 
> units.  This is why I have stayed with Outback.  Field repairable.  About an 
> hour to take it off the wall, open it up, switch boards, close it up and 
> reattach to the FlexWare or e-panel.  I’ve done dozens over the years. 
> 
> John Blittersdorf
> 
> 
> 
> Sent from my iPhone
> 
> On Feb 6, 2019, at 10:55 AM, Lones Tuss  <mailto:lt...@outbackpower.com>> wrote:
> 
>> Hello Drake
>> Yes replacing a single board in an FX is possible. In the case of a 
>> lightning strike it may be advisable to replace all three boards as damage 
>> may not be visible.
>> Take Care Sir
>>  
>> From: RE-wrenches > <mailto:re-wrenches-boun...@lists.re-wrenches.org>> On Behalf Of 
>> drake.chamber...@redwoodalliance.org 
>> <mailto:drake.chamber...@redwoodalliance.org>
>> Sent: Tuesday, February 5, 2019 2:52 PM
>> To: RE-wrenches > <mailto:re-wrenches@lists.re-wrenches.org>>
>> Subject: [RE-wrenches] Outback Boards
>>  
>> ** [EXTERNAL EMAIL] - Please report any suspicious attachments, links, or 
>> requests for sensitive information to the Help Desk. **
>> Hello Wrenches,
>>  
>> It is my understanding that old Outback VFX inverters can not have only one 
>> board replaced, but need to have three changed.
>>  
>> We have an inverter that is from around 2005 (serial number VFX 008968). Can 
>> one board be replaced on this unit?
>>  
>> Thanks,
>>  
>> Drake
>>  
>> 
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Re: [RE-wrenches] Equipment ideas for very large residential PV and battery backup

[Tump]

> As installers, look at their product line and if we are looking for products 
> that we are able to use AND have support, then we should contact the folks at 
> Victron E and let them know that they are loosing market share to lesser 
> quality products and get their products UL listed. 
> Good tech support and well thought out products.
> asantosb...@victronenergy.com <mailto:asantosb...@victronenergy.com> Alan is 
> formerly from Magnum but moved to a better quality product. T
>> On Jan 10, 2019, at 11:24 AM, Chris Schaefer > <mailto:ch...@solarandwindfx.com>> wrote:
>> 
>> Just finished consulting on a large island project  in North America where 
>> the client purchased the Victron system prior to my involvement. Sadly 
>> Victron has yet to receive UL approval for use in our neck of the world. So 
>> beware.
>> 
>> Christopher
>> 
>> On Wed, Jan 9, 2019 at 4:50 PM Tump mailto:t...@swnl.net>> 
>> wrote:
>> Check out the Victron Quattro inverters w/ a 10k inverter w/100 pass thru 
>> relay. they also have some really well thought out BMS for use w/ their 
>> LiFeP04 batteries and monitoring equipment.
>>> On Jan 8, 2019, at 3:49 PM, August Goers >> <mailto:aug...@luminalt.com>> wrote:
>>> 
>>> Hi Wrenches,
>>> 
>>> We have a new potential client who wants a 60 kW PV system and a battery 
>>> backup system with 200 kWh of storage. The system will be grid tied and the 
>>> client insists on some sort of lithium battery technology and doesn't want 
>>> Tesla. For such a ridiculously large system, what kind of equipment would 
>>> you recommend? I'm thinking maybe Sunny Islands with Blue Ion LiFePO4 
>>> batteries?
>>> 
>>> Best, August
>>> August Goers
>>> 
>>> Luminalt Energy Corporation
>>> 
>>> 
>>> 
>>>  
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>> 
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>>> 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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>> -- 
>> Chris Schaefer’s
>>  <http://www.solarandwindfx.com/>
>> Tel/Fax 585-229-2083 or Cell 585-748-1870 
>> 5115 South Hill

Re: [RE-wrenches] Schneider Phone Support

[Tump]

Are you saying we need to jump thru more hoops to use unreliable/questionable 
product support? OMG
> On Jan 9, 2019, at 5:42 PM, Howie Michaelson  
> wrote:
> 
> Hi all,
> Concerned by this thread, I went through the process of registering as an 
> installer on line. A short while later I was sent an email of acceptance and 
> a phone number. I was implored to not share the number. I did try it and was 
> successful at reaching tech support on first try. Thanks for the warning that 
> the process has changed, it would have been a pain to be on a service call 
> without having gone through this ahead of time.
> Howie
> 
> 
> On Wed, Jan 9, 2019, 9:56 AM  <mailto:drake.chamber...@redwoodalliance.org> wrote:
> Hello Wrenches,
> 
> Does Schneider phone support still exist? I filled out an on line form, as a 
> professional, to be able to get phone support. Schneider sent me an email 
> with two numbers to call, and neither of them worked. One did not connect to 
> anything and the other gave me the original message saying to fill out the 
> form for tech support.
> 
> Using their on-line support has been limited in its usefulness, with a lot of 
> runaround. No one there will answer any questions about phone support 
> availability.
> 
> The timing of this is interesting, as I was on the verge of using Schneider 
> as my go-to brand for battery based equipment. . One Wrench posting from a 
> while back that stuck in my head was, "before buying equipment, call their 
> tech support to see how good it is." 
> 
> Does anyone know if phone support still exists?
> 
> Thank you,
> 
> Drake 
> 
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>  www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>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] Schneider Phone Support

[Tump]

The older SWs is just a simple thermistor replacement. Kris at Tekris power 
probably has them.
> On Jan 9, 2019, at 10:34 AM, Amanda Potter  
> wrote:
> 
> Hello Wrenches,
> I am having the same issue.
> I have Comboxs out there that have the latest firmware, but they haven’t 
> worked for quite a while and my customers are not happy...
> And, a SW 4024, three years old with the fans running non stop, no matter 
> what the temperatures are and they will not warranty.
> That is what the last email said from Tech Support.
> 
> Thoughts?
> 
> Thanks ahead of time.
> 
> Amanda Potter
> NABCEP 
> PV Installation Professional
> NYSERDA Eligible PV Installer
> Adirondack Battery & Solar, LLC
> Potsdam, NY
> (315) 212-2114
> 
> On Jan 9, 2019, at 9:56 AM, drake.chamber...@redwoodalliance.org 
> <mailto:drake.chamber...@redwoodalliance.org> wrote:
> 
>> Hello Wrenches,
>> 
>> Does Schneider phone support still exist? I filled out an on line form, as a 
>> professional, to be able to get phone support. Schneider sent me an email 
>> with two numbers to call, and neither of them worked. One did not connect to 
>> anything and the other gave me the original message saying to fill out the 
>> form for tech support.
>> 
>> Using their on-line support has been limited in its usefulness, with a lot 
>> of runaround. No one there will answer any questions about phone support 
>> availability.
>> 
>> The timing of this is interesting, as I was on the verge of using Schneider 
>> as my go-to brand for battery based equipment. . One Wrench posting from a 
>> while back that stuck in my head was, "before buying equipment, call their 
>> tech support to see how good it is." 
>> 
>> Does anyone know if phone support still exists?
>> 
>> Thank you,
>> 
>> Drake 
>> 
>> 
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> mailto:t...@swnl.net%22%20%5Co%20%22blocked::mailto:t...@swnl.net>  
>  www.SWNL.net 
> http://www.swnl.net/%22%20%5Co%20%22blocked::http://www.swnl.net/>
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>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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