Hi Tyrone, System is in off-grid and generator input mode and both inverters and charge controllers are calibrated correctly and set to 54.4 Vdc absorb and float. Rebulk is at 52.5 Vdc.
On Fri, Nov 8, 2024 at 4:49 PM Tyrone Houck via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > Out of curiosity, what mode are you in and what are the respective set > points for absorb, float, rebulk, etc. For PV vs inverter? > > Tyrone Houck > Oregon Solarworks LLC > LRT #076 > 541-787-1366 > tyr...@oregonsolarworks.com > > > > > On Fri, Nov 8, 2024, 1:28 PM Chris Sparadeo via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Hi Jay, >> >> This is a new issue, but I don’t believe it’s generator related. Without >> CC comms plugged in, generator is steadily charging. It was serviced >> recently and has solid voltage and frequency under load. >> >> I am all for leaving the comms disconnected, but unfortunately there is >> no screen on the FM 100, so PV output wouldn’t be visible. >> >> >> On Fri, Nov 8, 2024 at 4:14 PM jay via RE-wrenches < >> re-wrenches@lists.re-wrenches.org> wrote: >> >>> Hi Chris, >>> >>> Is this new or has it been always like this? >>> >>> jay >>> >>> >>> >>> >>> >>> >>> >>> > On Nov 8, 2024, at 1:42 PM, Chris Sparadeo via RE-wrenches < >>> re-wrenches@lists.re-wrenches.org> wrote: >>> > >>> > Hey wrenchers, >>> > >>> > I have an off-grid customer with a pair of VFX 3648 inverters, a FM >>> 100 charge controller and two eVault classics in open loop. The issue is >>> when the generator is charging the batteries, incoming amperage is all over >>> the place and periodically, gradually drops to 0A then ramps back up. This >>> is creating really long generator run times. When I turn off PV input, same >>> results. When I turn off both PV input and charge controller output >>> (turning off the CC entirely) the inverters hold a steady charge. If I >>> remove the charge controllers comms cable from the hub, they both play >>> nicely and charge cooperatively. This obviously sounds like a communication >>> issue, but unfortunately, without the help of OB tech support, I am left >>> speculating. I have checked all settings with a fine comb and nothing looks >>> to be out of place. Has anyone experienced something similar to this? >>> > >>> > Thanks! >>> > >>> > Chris Sparadeo >>> > >>> > _______________________________________________ >>> > 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. 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