Or can I set the Rebulk voltage for the pair of Outback VFX3524
inverters on the Mate to lower than the Refloat? Will it let me do that?
I have very limited access to the equipment to experiment.
Thank you,
Drake
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
---
On 2025-12-23 08:25, Drake Chamberlin via RE-wrenches wrote:
The problem I am running into is that REFLOAT keeps initiating and the
system never gets triggered to go back into the bulk / absorb cycle.
Can I avoid this by turning the float time to zero?
Thank you,
Drake
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
---
On 2025-12-12 11:24, Starlight via RE-wrenches wrote:
Have you set up "Rebulk Voltage" in the advanced menu?
On Dec 12, 2025, at 9:10 AM, Starlight via RE-wrenches
<[email protected]> wrote:
Hello Drake,
Absorption is the phase where voltage remains constant. Until the
Absorb voltage value is achieved, you will be bulk charging. You can
only force Float or Bulk.
Larry Crutcher
Starlight Power Systems
On Dec 12, 2025, at 8:58 AM, Drake Chamberlin via RE-wrenches
<[email protected]> wrote:
Hi Jay,
The system feeds the grid through an SMA H-FUS inverter. The Outbacks
are off grid inverters, but are AC coupled to the batteries to provide
power when the grid is down.
The inverters monitor the batteries and go into REFLOAT when the
batteries hit 25 volts. I would like the inverters to go strait into
the ABSORB cycle instead of going to REFLOAT.
The grid tie came after the the Outbacks were already in as a backup
system.
Thank you,
Drake
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
---
On 2025-12-11 10:54, Jay via RE-wrenches wrote: Hi drake.
You're talking about the inverters charging the battereis, meaning
this is a grid connected system?
Do you have a mate3/s or 1?
Jay
On Dec 11, 2025, at 7:39 AM, Drake Chamberlin via RE-wrenches
<[email protected]> wrote:
Hello Wrenches,
We have a rental property with two, stacked VFX 3524 inverters. In the
winter the batteries don't get an adequate solar charge. I would like
to have the batteries get a bulk charge when the voltage drops to 24
volts, but it keeps hitting refloat.
How do I disable refloat? Can I just set the refloat time to zero?
Thank you,
Drake
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