It should not be a problem at all to swap a -40 or -41 for a -22. Cheers, Dave
On Sat, Nov 15, 2025, 12:18 PM Bill P. Battagin via RE-wrenches < [email protected]> wrote: > Hey wrenchers, > > Anybody see an issue with swapping out a failed SB6000TL-us-22 > with a SB6.0-1SP-US-40 or 41. The string voltages and amps work for both > with this array. > Thanks, Bill > > Feather River Solar Electric > Bill Battagin, owner > 4291 Nelson St. (Shipping) > 5575 Genesee Rd. (USPS, UPS) > Taylorsville, CA 95983 > www.frenergy.net > 530-284-7849, 258-1641(cell) > CA. C10 Lic # 874049 > Solar Powered since 1982 > Home of the Sunny Side Up > > > ------------------------------ > *From: *"Maverick Brown via RE-wrenches" < > [email protected]> > *To: *"RE-wrenches" <[email protected]> > *Cc: *"Maverick Brown" <[email protected]> > *Sent: *Thursday, October 16, 2025 5:11:37 PM > *Subject: *Re: [RE-wrenches] Sol-Ark 15K and HomeGrid - Comm Cable Pinout > > As a side note, > I just swapped a pair of 12k MCU boards. Pretty easy for the 12k and I > left them hanging on the wall but completely shutdown. > > That’s a great time for an AC bypass. > > The MCU board has the device ID, aka inverter serial number. > > So, when you swap them out, you’ll need to re parallel the group and > likely with Sol-Ark on the line. > > Then, the old “inverter” will show as disconnected and if you don’t need > its historical data, it can be deleted. > > Thank you, > Maverick > > Maverick Brown > Off-Grid Solar Commander since 2006 > Maverick Solar Enterprises, Inc. > • Solar Commander Remote Power > • SunFlow Systems Cathodic Protection > [email protected] > 512-460-9825 > > > > On Oct 16, 2025, at 6:25 PM, Jason Szumlanski < > [email protected]> wrote: > > Thanks Maverick. This turned out to be the answer. No ground wire was > needed. > > I found out the master inverter is faulty. I connected the cable to the > slave (after unparalleling) and it worked. Sol-Ark was surprisingly very > willing to send me a new MCU board without any argument. > > > Jason Szumlanski > Principal Solar Designer | Florida Solar Design Group > NABCEP Certified Solar Professional (PVIP) > Florida State Certified Solar Contractor CVC56956 > Florida Certified Electrical Contractor EC13013208 > > On Thu, Oct 16, 2025, 1:00 PM Maverick Brown via RE-wrenches < > [email protected]> wrote: > >> Jason, >> I have a couple working HomeGrid to Sol-Ark installs. >> >> The manual does seem to mix flavors of cable and even the cable that came >> with the HomeGrid install of 2024 has Ethernet Type A color code pin out. >> >> If you keep the pin out as type A, that is fine, but I made a chart with >> Type B wiring, attached. Also, I think you should not connect the other >> unnecessary wires on the Sol-Ark side, just to eliminate any issues. >> >> I also assume they are using CAN and not using RS485... >> >> >> Let me know how that works for you. >> >> Thank you, >> >> Maverick >> >> Maverick Brown >> Off-Grid Solar Commander since 2006 >> *Maverick Solar Enterprises, Inc.* >> * • Solar Commander Remote Power* >> >> * • SunFlow Systems Cathodic Protection *[email protected] >> 512-460-9825 >> >> On Oct 16, 2025, at 9:27 AM, Jason Szumlanski via RE-wrenches < >> [email protected]> wrote: >> >> Does anyone know for sure what the correct pinout is on the communication >> cables for this pairing? Sol-Ark has multiple battery integration guide >> versions. >> >> Some show two wires connected to pins four and five on the inverter and >> seven and eight on the battery, respectively. In another version of the >> guide, four is connected to eight and five is connected to seven. In yet >> another version, a green wire is introduced. I have tried all three >> combinations, and none work. >> >> I can't get a straight answer out of either manufacturer, and of course >> they're both pointing fingers at each other regarding my battery >> communication issue. >> >> Sol-Ark is sending a firmware update and recommended a factory reset. >> That's the next step, but it doesn't answer the question about the correct >> pinout. >> >> >> >> Jason Szumlanski >> Florida Solar Design Group >> >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. 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When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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