[RE-wrenches] Anyone heard of Tesup?

Hey all, I know well the old adage - "If it sounds to good to be true, then it probably is." I also know that I have seen numerous windmill scams. That said, I am doing some consulting for someone who wants to buy and install this Tesup windmill... Supposedly a 9 kW wind turbine for $999

Re: [RE-wrenches] AC Coupling

eally hard on the batteries just like Steve Higgins was talking about, and it totally makes sense that this would void the warranty. Have a great day! 73, Kienan Maxfield Green-Go Solar Wholesale Distribution maxfieldso...@hotmail.com<https://maxfieldso...@hotmail.com/> (801) 631-5584(Cell) www.di

Re: [RE-wrenches] AC Coupling

William, My whole email is in regards to the point you made when you said "This is not how battery inverters were originally designed to operate. These systems require careful consideration to avoid battery overcharging." I both agree and disagree with these statements... depending on what you

Re: [RE-wrenches] Sunny Island AC-Coupled system integration with Fortress E-Vault

William, The charge controllers could operate in open loop, while the SMA did close the loop. Open loop works really well for charge controllers. I question if the closed loop communication was really working correctly if the SI is reporting 50% SOC when the batteries are reporting 95%… The SI

Re: [RE-wrenches] Nuance ground racking

, Kienan Green-Go Solar Wholesale Distribution kienan@dist.solar (801) 631-5584 From: Jason Szumlanski Sent: Thursday, October 12, 2023 4:10 AM To: RE-wrenches Cc: Kienan Maxfield Subject: Re: [RE-wrenches] Nuance ground racking On that subject, what bits

Re: [RE-wrenches] Pytes Batteries

From what I’ve seen in the discussions here, some people think they’re well made, but when you do need technical support for any reason, good luck… maybe people have gotten some support, but if my memory serves me correctly, the general feeling I got reading the posts was that there was no

Re: [RE-wrenches] Nuance ground racking

I own the Dewalt 2 inch 60V rotary hammer you linked and it is totally awesome. You’ll be blown away by it. It’s totally worth it. You might want to make sure to just use the huge 12ah batteries that it comes with… might be a lot of power demand fire smaller 60V batteries… but I regularly use

Re: [RE-wrenches] Generator question

the generator because the inverter can't support the demand, then maybe you need it to take the load over before it has a substantial warmup time... Cheers, Kienan Maxfield Technical sales, Technical Support Green-Go Solar Distribution kienan@dist.solar<https://kienan@dist.solar/> (80

Re: [RE-wrenches] Sunny Island/Fortress E-vault

with an existing SMA and if they want to go forward, I might contact my friends at Fortress and see if they would want to work with my client's system as a pilot to try to iron out the kinks... Thanks, Kienan Maxfield Technical sales, Technical Support Green-Go Solar Wholesale Distribution kienan

Re: [RE-wrenches] Sunny Island/Fortress E-vault

=dc8b9a9c1b3f410556835193e66f2257c662403dfb3da4056e618e954e8381d2 Thanks, Kienan Maxfield Technical sales, Technical Support Green-Go Solar Distribution kienan@dist.solar<https://kienan@dist.solar/> (801) 631-5584 (Cell) www.distribution.solar<https://www.distribut

Re: [RE-wrenches] Inverter On/Off Switch use Outback FX

I was just about to suggest the same thing Mac suggested. Any 120 V relay would work. Just wire it in parallel with the auxiliary relay that is shutting the inverter off. When the AC input is energized, the relay closes, and your inverter turns on. I like using a relay that has a base. I trust

Re: [RE-wrenches] active vs apparent power readings with solar

I’m not sure if I fully get what’s was going on or where he was measuring… all of the readings are low (below 1 kW) if he was messing at the meter after the household load has combined with the PV output, then this could make sense. The household loads could be using some apparent power, but

Re: [RE-wrenches] Underground fault finder

Dave, The Thumper creates a high current, high voltage discharge. It uses a massive capacitor bank that you connect to the conductors on one side. When it works correctly, it'll cause a massive arc blast at the location of the fault. Assuming the fault is underground, it'll cause a big

Re: [RE-wrenches] HomeGrid Battery Experience

Howie, I don't have experience with HomeGrid, but I have a well respected friend (Jason Lerner) who loves them. I have had awesome experiences with Fortress, and I have been looking for a chance to try HomeGrid as well. I think the stack idea is really cool!! I know that this is extremely

Re: [RE-wrenches] replace part of rolls battery bank

Here’s my two cents, If you do end up putting in two new batteries, and you leave everything wired the way it is, you’d better really watch the rest of the batteries that are in that string. The new batteries will have a lower internal resistance, so the two strings that are all old batteries

Re: [RE-wrenches] Fortress Battery Heater

I've wanted to find a thermostat that could handle DC Voltage for a while now, but I haven't done the research. What I've wanted to do is to tap right off the PV input, through a thermostat, into a simple resistive heater. That way, it won't drain the battery to warm the array. If the resistive

Re: [RE-wrenches] Remote battery disconnects

Hello all, I have been an off-grid specialist for 12 years now, and I have never seen or heard of a charge controller blowing itself up when it was disconnected from the battery while it was in steady state. What I mean is that if it's in bulk mode, or absorb mode, or float mode, and the

Re: [RE-wrenches] VillaGrid Lithium Titanium Batteries

Howie, I have never heard about them, but I am interested. If you get any more information, I'd love to hear about it. Do they do 48V batteries? or an AC ESS? Are there spec sheets available? I've been able to find very little information about them. Thanks, Kienan Green-Go Solar

Re: [RE-wrenches] Low Frequency transformer off-grid inverter options

some advantages. Outback's online platform (optics RE) is the best for making it easy to adjust settings remotely from any device like your phone. Contact me off-list if you are interested in Victron, and I'll give you a lot more info about Victron. Thanks, Kienan Maxfield Green-Go Solar

Re: [RE-wrenches] Fortress Battery Problems

Ray, I'm curious if your Fortress system is doing better now. Fortress used to do their support using a platform that was open to the public. It allowed anyone who wanted to see what they had suggested to other people. I've seen them recommend a one-time charge of up to 56V to get everything

Re: [RE-wrenches] Fortress Battery Problems

Hey all, I really like Fortress and I’ve had amazingly good experiences with their support. I have had 3 different interactions with Fortress technical support. They’ve supported me very very well. They don’t have a good phone number for me to call, but I fill out an online ticket and then the

Re: [RE-wrenches] Optics will not accept remote programming

I've seen something similar if there was a firmware mismatch... the mate3s had a newer firmware and the inverters had an older firmware. As was stated before, make sure that everything has the latest firmware. Otherwise, I wouldn't know where to go after that. Cheers, Kienan Maxfield Solar

Re: [RE-wrenches] Lithium battery fires

oblems. I've had big BMS problems, and it makes me pretty picky about which brands I'll choose going forward. I have 4 brands that I currently trust... but I don't feel like I need to try to laud certain brands or badmouth others... just be sure that you use one that you trust. Thanks,

[RE-wrenches] Sunny Island Troubleshooting

first... Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) ___ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@li

Re: [RE-wrenches] Lithium battery in non cycling use

r to get the battery up to the calibration voltage for just a couple of minutes to calibrate the SOC, and then go down to the balancing voltage for a while, then go back to the storage voltage. Unfortunately, I don't know any way to have this kind of cycle happen once a month... Thanks, Kienan M

Re: [RE-wrenches] Outback_Inverter firmware mismatch

I have had this problem, on the job site I had, it was caused by a Wi-Fi router to close to the equipment. I moved all the Wi-Fi equipment away, and all of my issues were resolved. The Wi-Fi access point that I used to connect the Mate to Optics also caused problems. I tried replacing all of

Re: [RE-wrenches] Electric Crimper Recommendations

Chad, How does that DeWalt large wire stripper work for ultra fine stranded cable, such as our typical 4/0 battery cable? Thanks, Kienan From: RE-wrenches on behalf of Chad Waits Sent: Monday, February 22, 2021 2:58 AM To: RE-wrenches Subject: Re:

Re: [RE-wrenches] pole mount manufacturer w pic

I’ve done several polls that were 20 modules on one pole using MT Solar. I would highly recommend their product. That being said, that 10 inch schedule 80 steel pipe is a darn heavy... and you’re looking at well over 2 yards of cement for that one pipe. I wonder how heavy the pipe would need

Re: [RE-wrenches] pole mount maker

Bill, I don't think the picture got attached to your email... unless it's just a problem on my end. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) From: RE-wrenches on behalf of Bill He

Re: [RE-wrenches] Microgrid... Outback or SMA or other?

Thank you all so much for the suggestions!! I hadn't thought of SolArk, but I'll have to include that in my proposals. It sounds like they've really gathered quite a following. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584

[RE-wrenches] Microgrid... Outback or SMA or other?

to 61 kW, and Victron can only do up to 60 kW. I know that the Outback system would yield a 240/120 Split-Phase system and that the SMA would yield a 208/120 3Ø system, but this doesn't really matter either way for this job. Thanks so much, Kienan Maxfield Solar maxfieldso...@hotmail.com

Re: [RE-wrenches] Outback FM100

. -Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) From: RE-wrenches on behalf of Ray Sent: Monday, May 18, 2020 10:45 AM To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenches] Outback FM100 I'

Re: [RE-wrenches] OK, so what would happen if I do this...

correctly and never has any bugs, then this should work out just fine. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) From: RE-wrenches on behalf of Jay Sent: Wednesday, March 4, 2020 11

[RE-wrenches] In search of replacement module

!! It was an REC peak 250 (REC's old standard 60 cell) Black frames with white back sheet thickness - 38mm (1.5 in) width - 991mm (39 in) length - 1665mm (65.6 in) Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584

Re: [RE-wrenches] Parts List For AC Couple Disconnect

inverter using the AC line. Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) From: RE-wrenches on behalf of Mark Frye Sent: Sunday, November 3, 2019 11:58 AM To: re-wrenches@lists.re-wrenches.org Subject: R

Re: [RE-wrenches] Parts List For AC Couple Disconnect

a built-in AC coupling control mechanism, then you'll be monitoring for the frequency rather than the voltage. Sorry for not having anything more helpful to say. Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584

Re: [RE-wrenches] Stiffening an AC buss

cker as much because they dim more slowly, but with the LEDs, it might be noticeable. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) From: RE-wrenches on behalf of Mac Lewis Sent: Sunday

Re: [RE-wrenches] Off Grid Optimizers

generator, but it is a functional workaround that I have been using on the orphaned system and it really does work. That being said, I think I might be able to talk him into getting some DC-coupled PV next spring. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com>

[RE-wrenches] Outback Dual Radian System - Phase Loss

as you would expect it to without interruption. But of course, the flashing red light is a bit concerning to the customer, and I'm a bit perplexed about it myself. Does anybody have any experience with anything like this? Does anybody have any ideas? Thank you so much!! Kienan Maxfi

Re: [RE-wrenches] Outback inverter firmware mismatch

I have seen this problem and other similar problems many times. I saw one just last month that someone else was having trouble with. And with every single case that I’ve seen, the installer had accidentally neglected to ensure that the inverters are plugged into the correct ports. One of the

Re: [RE-wrenches] Schneider ac coupling time.

Jay, It waits 50 seconds to even start to try to shift the frequency. I don’t know how long it takes to get up to get to 64 HZ. I heard somebody say that they thought that the 50 second delay should be adjustable, but I could not find a way to adjust it. I have not had a chance to talk to

Re: [RE-wrenches] Quick Cable supplier

My favorite supplier is PV cables, but if you need something they don't have in stock, they can't often get it sent to you in a timely manner. With that in mind, check out Century Tool - https://www.centurytool.net/SearchResults.asp?Extensive_Search=Y=Magna=0=0 They are the largest dealer of

Re: [RE-wrenches] large(ish) AC coupled battery backup

. Perhaps, if Outback were doing all their testing with Lithium batteries and super short cables, perhaps they would have rated the Radian to handle larger GT inverters. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584

[RE-wrenches] Schneider XW AUX plug

out to you all. Thank you so much! Kienan Maxfield Solar maxfieldso...@hotmail.com (801)631-5584 ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://list

Re: [RE-wrenches] Plated versus unplated eyelets

William, The plain copper can corrode much faster. I like the tinned ones made by Quick Cable. You can get them from PV Cables. pvcables.com I really like PV Cables. They always treat me really well and their prices are great. Thanks, Kienan Mayfield Solar (801) 631-5584

Re: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints

Jason, This isn’t an AC coupled system is it? There is a very common issue that can occur when you AC couple XWs on lithium batteries. If this is AC coupled, I’ll go into more detail on what I think your problem might be. Also, let us know if you got it fixed. Thanks, Kienan

Re: [RE-wrenches] Voltage seeking transfer switch

I’ve used the Cumins, and it works well. It has a 120 VAC to 12 VDC converter inside, so it doesn’t require a generator battery. That being said, the power supply comes pre-wired to the grid side, so I had to rewire it to the “gen” (solar) side since that side always has power. -Kienan On

Re: [RE-wrenches] Anyone recognize this pole mount system?

These are not MT Solar. That is certain. Thanks, Kienan > On Mar 14, 2019, at 2:12 PM, Timothy Econopouly > wrote: > > They look like vintage Tamarack or MT Solar top of pole mounts > > ___ List sponsored by Redwood Alliance List Address:

Re: [RE-wrenches] Crimper for Enphase field wireable connectors

I second Jay's recommendation Bryan and the company "PV Cables" is GREAT!! Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-0-SUN (477-0786) (801) 631-5584 (Cell) ___ List spon

Re: [RE-wrenches] DKD Lithium Batteries

s already signed off on it so the final call is up to him. Darryl, Sorry, I meant 5 banks of batteries at 4 batteries each (so a total of 500 Ah @48V total). Thanks for the advice, it makes a lot of sense. I'll try to do some testing. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.c

Re: [RE-wrenches] Optics-RE

William, Thanks. Yes, that's my normal practice. I am quite familiar with that process. I am a big outback user. I just meant that it would be cool if they were to add that same functionality to Optics, rather than having to be on site. If you could export the configuration on optics, then you

Re: [RE-wrenches] Optics-RE

No, but it would be a great idea. Another feature that would be nice would be an option to export/import complete configurations. -Kienan > On Mar 2, 2019, at 10:04 PM, Jay wrote: > > Hi all, > > Does optics RE have a history of changes made to setpoints/settings? > > I’m pretty sure not,

Re: [RE-wrenches] module level control for offgrid

shutdown of any kind is required. The battery system is considered a separate system in the 2017 code and there is no requirement for rapid shutdown of any kind in that system. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-0-SUN (477-0786

Re: [RE-wrenches] Radian orders hardware problems

. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-0-SUN (477-0786) (801) 631-5584 (Cell) From: RE-wrenches on behalf of William Miller Sent: Tuesday, December 4, 2018 12:39 PM To: RE-wrenches Subject: R

Re: [RE-wrenches] outback skybox

2019. I'm not quite sure what we'll do... If anyone else can answer this question, that would be awesome! -Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-0-SUN (477-0786) (801) 631-5584

Re: [RE-wrenches] Ni-Fe update?

a couple years ago on their auto watering system because it could concentrate hydrogen so I ended up waiting a long time for mine. Now that I finally have it, I can just hook up the pump and watch it go. It is so much easier. Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfiel

Re: [RE-wrenches] Ni-Fe update?

e Ni-Fe because if you go install a Lithium battery tomorrow, my Ni-Fe battery will still most likely be alive and strong when your lithium battery goes out. I hope this helps a little! Thanks, Kienan Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-

Re: [RE-wrenches] 2 wire to 3 wire start on Older ONAN 12.5JC

I absolutely agree. The Atkinson AGSCM is really good and super reliable. They work on almost every generator I can think of. They are the most universal auto Gen starts available. Thanks, Kienan On Nov 16, 2018, at 3:35 AM, Tump mailto:t...@swnl.net>> wrote: ATKINSON ELECTRONICS, INC. Web

Re: [RE-wrenches] Mate 3 shutdown

definitely a defect that was widespread so I think they will take care of it for you as long as it's a new enough system. Thanks, Kienan Maxfield Solar (off-grid specialist) maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 631-5584 (Cell) Fr

Re: [RE-wrenches] generator search

Ray, That's not going to work for the Cummins RS water-cooled generators without some hacking. The water cooled models do use an antifreeze mixture so they can withstand temperatures down to -50°F without a heater, but they have a circuit that prevents the generator from even trying to start

Re: [RE-wrenches] generator search

If it's going in a cold climate, the Cummins RS generators absolutely require a coolant heater which is a significant AC load. Otherwise, they don't require any AC power but they do need their battery to remain charged. For this reason, they do come with an integrated charger, but if you have a

Re: [RE-wrenches] Lorentz pumps

I have been very impressed with the Grundfos SQFlex pumps. I have installed several of them over the last 6 or 7 years, and I haven't seen any issues yet. I've had way better success with them than with the sun pumps for wells. They are extremely versatile, efficient, and seemingly fantastic

Re: [RE-wrenches] outback FM-100 CC

Jay, I just installed my first FM-100 earlier this month. (I hadn't gotten it yet when you originally posted this email). My thoughts so far are that it is marvelous. With only one in the field and one in my inventory, I don't have much experience with it yet. When I was at SPP in October,

Re: [RE-wrenches] Panelboards in Series - Bus Ratings

Corey, Here's my interpretation. If anyone can point out where I am in error, I would appreciate it if you could correct me. I just quickly reviewed 705.12(D)(2) and it appears that neither of your sizing calculations are quite right. Bear in mind that the maximum current of the inverters is

[RE-wrenches] Pioneer Party Lodgistics

much! Kienan Maxfield [https://dl.dropboxusercontent.com/u/8017159/seal.jpg][https://dl.dropboxusercontent.com/u/8017159/WilsonPro.jpg] Maxfield Solar maxfieldso...@hotmail.com<mailto:maxfieldso...@hotmail.com> (801) 477-0-SUN (477-0786) (801) 631-5584

Re: [RE-wrenches] PV to EV charging

I don't think this quite meets your requirements but SolarEdge just came out with a really cool PV inverter / EV charger Hybrid. It has a maximum EV charge rate of 9.6 kW and up to 7.6 of that could be directly PV supplied. You can set up advanced features such as TOU and it tracks

Re: [RE-wrenches] Tying XW MPPT-80 controller into XW PDP

guess it depends on which modules you use and how much you oversize the array. Those breakers are much cheaper than the disconnects, and it would look much nicer. Cheers, Kienan Maxfield Maxfield Solar 801-631-5584 maxfieldso...@hotmail.com Kevin Pegg Said .. > I am curious if anyone