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!
--
Mac Lewis
*
"Yo solo sé que no sé nada." -Sócrates
*
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