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Battery charging source: PV and grid charge battery
PV power will charge battery first during off-peak time. If it’s not sufficient, grid will
charge battery.
Load supply source: 1
st
PV, 2
nd
Grid, 3
rd
Battery
When battery is fully charged, remaining PV power will provide power to the load
first. If PV power is not sufficient, grid will back up the load. If grid power is not
available, battery power will provide power to the load.
Grid-Tie
Under this operation mode, PV power only feeds-in to the grid. No priority setting is
available.
Off-Grid
Off-Grid (I): Default setting for off-grid mode.