[RE-wrenches] Inverter On/Off Switch use Outback FX

[Darryl Thayer]

How about a Morningstar relay driver?  I have not done this exact thing
before.but similar things.

On Thu, Jul 20, 2023 at 4:05 PM jay via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> HI All,
>
> I wanted to revisit this thread for one reason.
>
> If you turn off the inverter at the remote on/off with the AUX relay, then
> starting the generator won’t have any impact as the inverter is off.
> So someone will have to go and reset the AUX relay.
>
> Vs
>
> If you do a relay on the AC output, when you start the generator, it will
> start charging, raising the battery volts, causing the AUX relay to close
> AC output relay and you’ll have power in the house.
>
> Am I missing something?
>
> thanks
>
> jay
>
>
>
>
>
>
>
>
> Here is the last email I think:
>
> Mac,
>
>
> I think you've got an elegant solution to the problem. All you need is an
> inexpensive relay and to program the Aux output for loadshed. I believe
> shutting down the inverter with the remote on/off contacts is actually
> less stressful on the inverter than opening a relay or contactor on the
> load side.
>
> Kent Osterberg
> Blue Mountain Solar
>
>
> On 7/11/2023 5:19 PM, Mac Lewis via RE-wrenches wrote:
>
> Hello Wrenches,
>
>
> I'm trying to solve an issue with an older Outback FX system.  It's a quad
> stack of Outback 3648 FX inverters and he has a couple of Fortress eVault
> and an unreliable generator. The LBCO setting can't go high enough to cut
> out before the eVaults cut out so he occasionally will have to direct
> charge the eVault to get things running again.
>
> I'd like to use a 12V Aux relay logic to trip the primary inverter on/off
> contacts before we go into battery shutdown so the solar has a chance to
> recover the system.  Pretty simple overall but I wanted to see if there
> are any known ill effects of doing this with substantial load on the
> system.  Of course, I can use a power relay but this may be better.
>
> Thanks for your input!
>
> --
>
>
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