[RE-wrenches] Outback vfx 3648 question

Wed Jan 4 08:33:40 PST 2023

Hey Jay.

The AC input Amps should be the "Total" Amperage the inverter uses for
pass-thru and charging.   Having the AC In at five and the Charger at five
may be what is causing the pulsing.   Something else to consider the
charging output of the inverter is not monitored very closely so there is a
chance of sugaring/pulsing, but usually, 20-30 seconds is the most you can
see it fluctuate.   I have seen this in the field myself as well.

So if the Generator has a max peak of 10 amps output, I would set up the AC
input at 8 to 9 amps and the charging amps to 4-5.

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On Wed, Jan 4, 2023 at 6:07 AM Jay via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hi john
>
> Good to hear from you.
>
> Your system charges at above Outback programmed amp setpoints?
> And in a sort of cyclical way?  Sometimes it’s normal for an hour then
> will go to 2x charge rate then back down then maybe 1.5.
>
> I talked to a senior Outback tech and they haven’t heard of this issue.
>
> But if you say is true, how do you adjust the settings so it won’t trip
> the generator breaker?
>
> This one is already at 5aac on ac input and 5 aac on charge and it will
> still, not often trip the generator breaker.
>
> Thx
> Jay
>
>
>
> > On Jan 3, 2023, at 8:13 PM, John Blittersdorf via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
> >
> > Jay,
> > I have seen this a few times but usually with a generator that is not
> > designed for hard wired system.  I have a Ryobi
> > work generator that does this on both of my outback systems.  It says
> > in the instructions that it is not to be used for stationary
> > applications (ie normally grounded systems).
> >
> > John
> >
> >> On Tue, Jan 3, 2023 at 9:16 AM Jay via RE-wrenches
> >> <re-wrenches at lists.re-wrenches.org> wrote:
> >>
> >> Has anyone had a vfx sort of not pay attention to it charging current
> settings,
> >>
> >> I have a customer who’s older vfx will do the following
> >>
> >> Settings are 5 amps ac, 5 amp ac  charge
> >>
> >> It’ll run at about 10 amps dc charging
> >> Then randomly go up to 30 amps dc then back down. Maybe 15 seconds
> >> Later go up to 25 amps and back down. Kinda all over the place
> >>
> >> Then will stay at the lower amps for some period of time.
> >>
> >> I’m thinking it’s a hardware problem?
> >>
> >> And given the age a new board set is probably in order.
> >>
> >> Thoughts?
> >>
> >> Thx
> >> Jay
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