Hi Bill, Are all your voltages calibrated? Mate, Flexmax, FM80? Where are you reading the voltages?
Does it work OK manually? On Thu, Jan 2, 2025 at 12:08 PM Jay via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Simpliphy has a very high voltage LVD. > And the older OB can’t be programmed to those voltages > > > > On Jan 2, 2025, at 10:04 AM, Tyrone Houck via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > > > Forgive my ignorance but why won't the vfx lbco work for lithium? > > > > > On Thu, Jan 2, 2025, 8:19 AM Bill Battagin via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> I am trying to use the "low battery disconnect" in aux mode in a newly >> installed OB FM80 CC for Li battery low voltage protection. I can't use >> the 19 year old OB VFX inverters for obvious reasons. The plan is to run >> the 12 volt output from the aux output to a NC relay to open it at 50 >> VDC of the bank of SimpliPhi 3.8M batteries. 50 VDC is SimpliPhi's >> recommendation for LVD. The "output" of the relay would be connected to >> the VFX's ON-OFF landings of that little green terminal block in the AC >> side of the inverter and just act as a simple switch for the inverter to >> turn it off to save the batteries. >> >> I'm using one of my newer FM80's as a test run and have >> programmed the voltages in Low Battery Disconnect mode and then put it >> in auto mode. However, as the CC goes below the voltage set point, the >> AUX output does not turn on (time set for 5 seconds), as evidence in the >> CC's home screen and by checking for 12V at the AUX terminal block. >> >> Any ideas of what I'm missing here to make this work? I >> know the other solution, thousands of $$ for new inverters which would >> be great but these folks have already invested quite a chuck on array >> replacement and charge controllers. >> >> Thanks for any experience with this. >> >> Bill >> >> Feather River Solar Electric >> Bill Battagin, owner >> 4291 Nelson St. (Shipping) >> 5575 Genesee Rd >> <https://www.google.com/maps/search/5575+Genesee+Rd?entry=gmail&source=g>. >> (USPS, UPS) >> Taylorsville, CA 95983 >> 530-284-7849, 258-1641(cell) >> CA. C10 Lic # 874049 >> Solar Powered since 1982 >> Home of the Sunny Side Up >> >> >> -- >> This email has been checked for viruses by Avast antivirus software. >> www.avast.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 > > _______________________________________________ > 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 > > -- Mac Lewis *"Yo solo sé que no sé nada." -Sócrates*
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