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duswami avatar image
duswami asked

Clarity on AC pass-through on AC1 OUT

Am I understanding correctly the grid AC passes through the Multi AC1 OUT when the inverter is in charging mode ONLY?

Multiplus-IIgridwiringac
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1 Answer
ejrossouw avatar image
ejrossouw answered ·

It is one of the instances. When using the system as a backup system it will too as well as when pulling in power from the grid to make up an inverter load shortfall when in ESS self consumption mode.

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duswami avatar image duswami commented ·

@ejrossouw ESS aside, since I'm not using it will it pass through AC automatically (to make up for a load shortfall from the pv or bats). For example, when DC coupled PV is insufficient will it automatically pass through grid AC if present or does that scenario need relays or assistants (not ess)?

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kevgermany avatar image kevgermany ♦♦ duswami commented ·
Normal operation is grid priority, drawing from batteries if grid insufficient. Grid will charge batteries when sufficient grid available.
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duswami avatar image duswami kevgermany ♦♦ commented ·
@kevgermany Got it, so I've got it running now and I See how it works, thanks.

So, now, if I want to 'supplement Grid' AC with DC coupled PV, what's the best method since I'm not using ESS, looks like Generator Asst is for PV coupled only.

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