I agree with John A pretty simple fix is to install a relay on the AC side controlled by the AUX of the inverter.
Jay > On Jun 10, 2022, at 6:17 AM, John Blittersdorf via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > > Matt, I have several systems with the same mix working ok except that the > low battery cutoff can’t be set high enough to shut down the inverter before > the BMS shuts off the battery. Have had to manually restart the batteries. > Problem only occurs if generator doesn’t start as programmed or manually > started. I install an iota 48v charger wired into the dc bus to jump start > the system in worst case scenario where charge controllers are also shut down > and generator can feed in bypass mode to provide a hot outlet for the IOTA. > The IOTA charger also serves as a small backup generator input pathway > without having to change any charger settings in the inverter. > > John B > >> On Fri, Jun 10, 2022 at 7:08 AM Matt Sherald via RE-wrenches >> <re-wrenches@lists.re-wrenches.org> wrote: >> Hello Wrenches, >> >> I've got customers with an ailing battery bank and I'm working to sketch out >> a replacement plan. I'd like to offer them a Li option, but they have a >> suite of older electronics and I'm writing to ask the list if anyone feels >> like they've settled on a Li brand that works well with pre-Li electronics. >> Glad for any suggestions. Thanks in advance! >> >> The bank size is currently 1,110Ah/48V. The following electronics are >> installed: >> 2008 OB VFX >> 2012 OB VFX >> 2008 OB MX60 >> 2012 MS Classic X2 >> >> 2008 OB Mate >> 2010 Trimetric >> >> -Matt >> >> -- >> Matt Sherald >> PIMBY Energy, LLC >> 304-704-5943 >> >> www.getpimby.blogspot.com >> www.getpimby.com >> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> 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/re-wrenches@lists.re-wrenches.org/ >> 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: RE-wrenches@lists.re-wrenches.org > > 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/re-wrenches@lists.re-wrenches.org/ > 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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