Re: [RE-wrenches] Hybrid inverter with no battery

Solis - high voltage battery. Best regards. I’m lLlCOGet Outlook fo From: RE-wrenches on behalf of Sam Haraldson via RE-wrenches Sent: Friday, August 1, 2025 9:09:09 AM To: RE-wrenches Cc: Sam Haraldson Subject: Re: [RE-wrenches] Hybrid

Re: [RE-wrenches] Battery RSD

Lloyd Hoffstatter, M.S. Applied Solar Energy Inaugural NABCEP PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com> 845-657-8132 (office) 914-844-3404 (cell) From: RE-wrenches on beh

Re: [RE-wrenches] Sol-Ark 15K Gen on Grid Terminal (with GTBB)

Sol-Ark strongly recommends only using a line side generator under inverter 2 wire control and with AC coupled inverters off, per several webinars. Best regards, Lloyd I’m lLlCOGet Outlook fo From: RE-wrenches on behalf of Jason Szumlanski

Re: [RE-wrenches] Inverter ratings exceeding 25kw fir battery backup

The same in NY we had to change existing equipment to stay within the 25k AC net metering limit. Regards, Lloyd Get Outlook for iOS From: RE-wrenches on behalf of Dave Angelini Offgrid Solar via RE-wrenches Sent: Monday, February 17, 2025

Re: [RE-wrenches] More Issues with Parallel Sol-Ark 15K System

[sad] Lloyd Hoffstatter reacted to your message: From: RE-wrenches on behalf of Jay via RE-wrenches Sent: Saturday, December 14, 2024 12:41:44 AM To: RE-wrenches Cc: Jay Subject: Re: [RE-wrenches] More Issues with Parallel Sol-Ark 15K System Oh that’s not

Re: [RE-wrenches] NEP PVG wiring

Hi William, The RSD installation instructions mirror those of TIGO and APSmart per connection order of PV to RSD first. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy Director, Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com> 8

Re: [RE-wrenches] Sol-Ark Support

ng to give it a week. Best regards ________ From: Lloyd Hoffstatter Sent: Wednesday, June 5, 2024 2:07:43 PM To: RE-wrenches Cc: Howie Michaelson Subject: Re: [RE-wrenches] Sol-Ark Support They are swamped with calls while they work to transition, and partially depends on a third party per user comme

Re: [RE-wrenches] Sol-Ark Support

They are swamped with calls while they work to transition, and partially depends on a third party per user comments on Sol-ark users FB group after talking to tech support. Best regards, Lloyd Get Outlook for iOS From: RE-wrenches on behal

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

Hi Jason, It looks like all the black casings are 12 or 24 Volt. White 3.8kW @ 48V nom. are either AmpliPhi (with comms.) or SimpliPhi without. They can't be mixed. Not sure of the maximum number, but UL 9540 listing up to 3 x BOSS.12 with 12 batteries each. Best regards, Lloyd

Re: [RE-wrenches] Minimum bus size, new requirements

les/basic-facts-changes-2022-energy-code.php> Summary of changes and updates in the 2022 California Energy Code title24energyreports.com Lloyd Hoffstatter, M.S. Applied Solar Energy Inaugural NABCEP Cetrified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulti

Re: [RE-wrenches] Minimum bus size, new requirements

Hi William, 200 Amp service per CA Energy Code - https://www.energy.ca.gov/sites/default/files/2022-08/2022_Residential_Mandatory_Measures_Summary_ADA.pdf It may have been modified since. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy Inaugural NABCEP Cetrified PV

Re: [RE-wrenches] Hawaii projects

HI Max, One possibility: Roland Shackelford President / Owner NABCEP PVIP #091209-162 O 808.775.7410 | M 808.938.9239 | 45-487 Lehua St Honokaa, HI 96727 Power Solutions for Generations Renewable Energy Services, Inc.<https://www.renewablenergy.com/> Best regards, Lloyd Lloyd Hoffs

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi Maverick, Per tech support, you need to buss battery output(s) to both input breakers to get the full 275 Amp output. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll

Re: [RE-wrenches] Fire fighters

Kris, This UL testing report covers firefighting lighting on PV https://fsri.org/research-update/firefighter-safety-and-photovoltaic-systems-summary-released Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0u

Re: [RE-wrenches] Inverter bypass

ULBoC9qQQAvD_BwE Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Kristopher Schmid via RE-wrenches Sent: Thursday, March 2, 2023 12:46:43 PM To: RE-wrenches Cc: Kristophe

Re: [RE-wrenches] SMA SB and LiFe

charge cycle from what I’ve seen. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com> 845-657-8132 (office) 914-844-3404 (mobile)

Re: [RE-wrenches] SMA inverterters with SPS

Kirpal, Just a reminder that SPS does not work (past day 1) with Rapid Shutdown. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com&g

Re: [RE-wrenches] SolArk and Tigo compatibility

Chris, For emergency shutoff switch i just used a lock pushbotton switch in a clear front lockable box with an led to indicate status. We did use an external power supply because we were using Tigo optimizers, CCA and TAP. Best regards, Lloyd Get Outlook for iOS __

Re: [RE-wrenches] "Qualified solar electric property"?

95 NABCEP Certified PV Installation Professional Licensed Wisconsin Master Electrician BSEE On Wed, Oct 26, 2022, 8:18 PM Lloyd Hoffstatter mailto:ll...@sunstruckconsulting.com>> wrote: For inverters use the NYPSC list or CE for other equipment Best, Lloyd Get Outlook f

Re: [RE-wrenches] "Qualified solar electric property"?

: I agree with Lloyd. It is qualified if listed I would have to believe. Chris On 10/21/2022 6:36 PM, Lloyd Hoffstatter via RE-wrenches wrote: Howie, I think he is referring to the tax language https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-questions

Re: [RE-wrenches] "Qualified solar electric property"?

Howie, I think he is referring to the tax language https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-questions-and-answers Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0u

Re: [RE-wrenches] Complying with 690.9(B)

Mac, Bussman PVS-R-20 should work. Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Mac Lewis via RE-wrenches Sent: Wednesday, October 5, 2022 11:13:57 AM To: RE-wrench

Re: [RE-wrenches] OB Radian question

Kirk, Ilsco or Marathon power distribution blocks with snap on covers? Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Kirk Herander via RE-wrenches Sent: Saturday,

Re: [RE-wrenches] Rapid Shutdown for Off-grid systems

We’ve used multi-pole rated disconnects at the array. Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Jeremy Rodriguez Sent: Tuesday, February 1, 2022 8:31:16 PM

Re: [RE-wrenches] SolarEdge inverter blowing fuses

Dave, My first thought would be a small nick in wire insulation going to ground, causing the fuse to fail over time. We had a similar situation with a much larger system where the culprit was hard to notice… Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<ht

Re: [RE-wrenches] Trace SW repair assistance

Hello Kurt, Craig Wilburn at Phantom Power Services should be able to help. 425-501-7280 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 Alber

Re: [RE-wrenches] Trace 4024 cutting out

Bill, Craig Wilburn at Phantom Power Service, 425-501-7280, rebuilt a couple of SW4024 boards for me about 2 years ago, reasonable price and very helpful instructions and photos. Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting 845-657-8132 Sent from Mail<https://go.microsoft.

Re: [RE-wrenches] Looking for multiple 100 kW inverters

Marco, Craig Wilburn at Phantom Power Services may be able to help with the boards. 425-501-7280 Best of luck, Lloyd Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows From: Marco Mangelsdorf<mailto:ma...@pvthawaii.

Re: [RE-wrenches] Exploding RSD Unit

James, You may want to take a look at this SunSpec RSD / Optimizer just making it to market. https://enteligent.com/solarup-rsd It has self diagnostics and thermal shutdown, comes in 1 or 2 module configurations. Best regards, Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<ht

Re: [RE-wrenches] Off Grid Food Truck

James, You may want to talk to SunWize. Historically they have packaged and shipped small systems all over. Best Regards, Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows From: James Rudolph<mailto:jamesrudolp...@gmail.

Re: [RE-wrenches] Charging a 108V battery bank

Dave, this forum discussion should be helpful https://www.cruisersforum.com/forums/f14/differences-in-marine-and-rv-inverters-chargers-38195.html Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting 945-657-8132 Get Outlook for iOS<https://aka.ms/o0u

Re: [RE-wrenches] RSD Troubleshooting Help

Rick, I would check with SMA to make sure you have the latest firmware. Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of r...@solshineenergy.com Sent: Monday, June 21, 2

Re: [RE-wrenches] seeking 3ph battery based/backed inverters and experiences

A couple of other sources – Ideal, Delta and Princeton Power all have larger battery based (typ. 480 VAC) inverters. Some info on Ideal 30 kW https://www.idealpower.com/wp-content/uploads/2016/02/30kW-battery-converter-RevD-16Feb2016.pdf Best regards, Lloyd Sunstruck Consulting Sent from Mail

Re: [RE-wrenches] PV shade structure

Dana, You may want to see if brooklynsolarworks.com has a solution that will meet the loading... Best regards, Lloyd Hoffstatter Sunstruck Consulting From: RE-wrenches On Behalf Of Dana Orzel Sent: Friday, January 15, 2021 8:02 AM To: 'RE-wrenches' Subject: [RE-wrenches] PV shade

Re: [RE-wrenches] 120v batteryless gT inverter

Jay, Suggest micros - minimal DC, less labeling, RSD compliant, simple tie-in. Best regards Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Jay Sent: Wednesday, January 13, 2021 3:36:10 PM

Re: [RE-wrenches] unfused disconnect before service disconnect

Dave, Looking at 2014, NEC 250.24(B) FPN and exhibits tends to imply bonding at first means of disconnect. This also minimizes potential ground loops. Best regards, Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> Fr

Re: [RE-wrenches] Site Groundskeeping

We used a state approved low grow seed mix in NJ. Some info on seed mixes from NREL. https://www.nrel.gov/docs/fy17osti/66218.pdf Best regards, Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf

Re: [RE-wrenches] combining 24v and 12v systems

Chris, I would look into DC / DC converters (many available). Happy New Year Chris and All, Lloyd Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Chris Schaefer<mailto:ch...@solarandwindfx.com> S

Re: [RE-wrenches] NEC 2014 690.12 Rapid Shutdown - for multiple arrays

Al, You may find this article and the one referenced to be helpful https://www.purepower.com/blog/nec-690-12-rapid-shutdown-length Best regards, Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Al Fr

Re: [RE-wrenches] 705.95(B) and Sunny Boys - current on Neutral?

Jeff, An oldie but attached tech note explains. May Need to upsize G / N for voltage drop depending on run… Best regards, Lloyd Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 Fr

Re: [RE-wrenches] Xantrex SW 5548

Jerry, I recently rebuilt a SW4048 with board testing and repair by Craig Kilburn at Phantom Power Services. He was fast and reasonable. cr...@phantompowerservices.com<mailto:cr...@phantompowerservices.com> Lloyd Hoffstatter That solar guy Sunstruck Consulting Sent from Mail

Re: [RE-wrenches] Solar area lighting

Try Selux https://www.google.com/search?q=selux+lighting+usa&ie=UTF-8&oe=UTF-8&hl=en-us&client=safari#trex=m_t:lcl_akp,rc_f:nav,rc_ludocids:12814526711032620612,rc_q:Selux%2520Corporation,ru_q:Selux%2520Corporation Get Outlook for iOS From:

Re: [RE-wrenches] Dead Outback mx60

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/fwlin

Re: [RE-wrenches] Residential tracker options

Probably mid afternoon Get Outlook for iOS From: RE-wrenches on behalf of Jay Sent: Friday, June 14, 2019 10:48:26 PM To: RE-wrenches Subject: Re: [RE-wrenches] Residential tracker options So zomeworks is done? Darn They used propane I b

Re: [RE-wrenches] Hail Damage insurance claim

Intertek and other PV test labs should be able to determine the cause on some sample panels. Best, Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Maverick Brown Sent: Friday, June 14,

Re: [RE-wrenches] Portable Power Centers

Also try sunwize.com been doing off grid systems for a long time Lloyd Hoffstatter Sunstruck Consulting Get Outlook for iOS<https://aka.ms/o0ukef> From: RE-wrenches on behalf of Andrew Truitt Sent: Sunday, December 9, 2018 2:16 PM To: RE-wrenches Subje

Re: [RE-wrenches] Vaccine refrigeration

Also check out SunDanzer https://r.search.yahoo.com/_ylt=AwrJ7FSCMutbuckAaSxXNyoA;_ylu=X3oDMTByOHZyb21tBGNvbG8DYmYxBHBvcwMxBHZ0aWQDBHNlYwNzcg--/RV=2/RE=1542169346/RO=10/RU=https%3a%2f%2fsundanzer.com%2f/RK=2/RS=iPLoO5LL4ZF40F4XfCbKPSu2Bi8- Best regards, Lloyd Sunstruck Consulting Sent from Mail<

Re: [RE-wrenches] ANSI-C12.20 compliant meters for PPAs

Jerry, The Locus meters are a pretty straightforward solution. Best regards, Lloyd Hoffstatter Sunstruck Consulting Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: RE-wrenches on behalf of Jerry Caldwell Sent: T

Re: [RE-wrenches] Troubleshooting Stumper - Homerun Interference in Conduit/Inverter Turning Off/On Rapidly

I was thinking the same, done with battery cables to reduce inductance, Lloyd Sent from my iPhone On Sep 7, 2016, at 10:16 PM, "toddc...@finestplanet.com" mailto:toddc...@finestplanet.com>> wrote: im not sure why i am even suggesting this, but have you tried

Re: [RE-wrenches] Standing seam metal roof attachments for copper roof

S-5 offers a brass / SS set screw seam clamp, S-5-B, we have used in the past on a copper roof… Lloyd S. Hoffstatter M.S. in Applied Solar Energy NABCEP Solar PV Installer #102503-23 Director Sunstruck Consulting ll...@sunstruckconsulting.com 845-657-8132

Re: [RE-wrenches] SolarEdge 7600 and the Powerwall

That would be great! Lloyd Lloyd Hoffstatter Sunstruck Consulting ll...@sunstruckconsulting.com<mailto:ll...@sunstruckconsulting.com> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Howie Michaelson Sent: Tuesday, June 14, 2016 12:16 PM To: RE-wr

Re: [RE-wrenches] SolarEdge 7600 and the Powerwall

the system isn’t yours, but thanks for helping pave the way for others! Any other examples of StorEdge with batteries or SolarEdge or StorEdge using export limitation would be most helpful, meeting with them on Friday, Best regards, Lloyd Lloyd Hoffstatter M.S. in Applied Solar Energy NABCEP

Re: [RE-wrenches] Glue-on type modules

Howie, Take a look at the MiaSole site. Not sure how they are set up RE sales / dist. Best Regards, Lloyd Lloyd S. Hoffstatter M.S. in Applied Solar Energy NABCEP Solar PV Installer #102503-23 Director Sunstruck Consulting ll...@sunstruckconsulting.com 845

Re: [RE-wrenches] Generator backfeeding enphase?

Also, discussions we’ve had with Enphase have been that it may be possible but would void the inverter warranty, which may well be the case with other inverter manufacturers. Best regards, Lloyd Hoffstatter NABCEP PV Installer, NY-Sun trainer From: RE-wrenches [mailto:re-wrenches-boun

Re: [RE-wrenches] Rooftop DC disconnects

, the switch to black is a simple and inexpensive example of same. Best regards, Lloyd Hoffstatter From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Glenn Burt Sent: Thursday, September 24, 2015 6:08 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches]

Re: [RE-wrenches] Rooftop DC disconnects

pros arrive to disable system (UL tests have also shown destroyed modules still can produce high voltage). Regards, Lloyd Hoffstatter NABCEP PV Installer NY-Sun instructor From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of William Miller Sent: Thursday, September