Out of curiosity, what battery form factor i.e. FLA, Lithium and manufacturer are your OB inverters running on?
Christopher On Mon, Sep 30, 2024, 19:52 Wayne Irwin via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Hurricane Helene has taught us the hard way that Enphase batteries with > anything other than IQ8's won't restart. > The issue is that when the batteries try to restart (at the > non-programmable time of 9:AM) if there are any significant loads, the > batteries will not stay on long enough (300+ seconds) for any non-IQ8 > micros to energize. The battery will attempt multiple times, but if there > is a load, (such as a well pump) the draw from the load will essentially > prohibit the batteries from energizing the micros long enough to engage and > produce. The only solution is to have a load controller or turn off all > loads once the power goes out. Otherwise, during these "attempts to turn > on" power in the house will momentarily turn on and back off and > potentially drain the batteries down to lower than the point of which they > can even attempt to restart. I spoke at length with Enphase upper > engineering (not tech support) about this today. They now know that most of > the tech support staff does not know this important information. > > Once the batteries are dead, they are very difficult if not impossible to > jump start with a generator. At the recommendation of tech support we tried > multiple times with the "approved" inverter generator which ultimatly just > wasted our time. Even though the controller/switch will accept the gen > power and pass the energy to the loads, it will not energize the combiner > or batteries. If your goal is to have an autonomous system with Enphase, > it's only going to happen with the IQ8's (at this point). > > This is a significant issue with retrofitting older systems. > > By the way: > - We've received numerous desperate calls from (orphaned) Powerwall owners > whose systems also won't turn back on. > - ALL of our Outback systems were issue free. > > I hope this helps some of you. Good Luck out there! > > Wayne Irwin > President > License #CVC56695 > State Licensed Solar Contractor > Pure Energy Solar International Inc. > wa...@pureenergysolar.com > PureEnergySolar.com <http://pureenergysolar.com/> > SolarChargingStation.com <http://solarchargingstation.com/> > 352 377-6527 Office > 352 336-3299 Fax > > > The Sun Is Always Shining! > > The content of this message is Pure Energy Solar Confidential. If you are > not the intended recipient and have received this message in error, any use > or distribution is prohibited. Please notify me immediately by reply e-mail > and delete this message from your computer system. Thank you. > > _______________________________________________ > 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
