You have to set the rebulk volts higher, higher than what ever you start the generator.
Say 56 or so.
Jay On Dec 13, 2025, at 11:56 AM, William Miller via RE-wrenches <[email protected]> wrote:
Friends: I have a client with one VFXR3648A inverter off-grid with PV and a generator. The inverter is set to bulk at 58.2 VDC for 2 hours but when the generator is required the voltage never gets above 52 VDC. The PV gets the voltage up to the 58 volt zone reliable. The original generator was a portable of about 3 Kw. I thought it was not providing enough RMS power so we upgraded to a Kohler vertical shaft 12 kW air cooled unit. The problem is still the same: The bulk voltage of the batteries never gets above 52 VDC. On my next visit I plan on resetting the inverter to factory defaults. Other than that I am not sure what to try. I have little luck reaching Outback tech support in the last year so I am hoping someone here can provide some advice. Thanks in advance. William Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985
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