16.
Initial Setup
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When PV power is not available:
1.
1
st
Grid, 2
nd
Battery
Grid will feed the load first. If grid is not available, battery will provide backup.
2.
1
st
Battery, 2
nd
Grid (Default)
Battery will feed the load first. If battery is running low, grid will back up the load.
NOTE:
This option will become ineffective during AC charging time and the priority
will automatically become 1
st
Grid and 2
nd
Battery order. Otherwise, it will cause
battery damage.
Off-Grid (II)
PV energy supply priority setting:
1
st
Battery, 2
nd
Load
PV will charge battery first. Once battery is fully charged, excess PV power will feed
the load. Feed into the grid is not allowed in this mode. The grid relay is connected
in Inverter mode. Therefore, transfer time from inverter mode to battery mode will
be less than 15ms. This avoids overload faults as grid can supply loads over 10kW.
Battery charging source:
1.
PV or Grid:
After supporting the loads, any excess PV power will charge battery. Once PV
power is no longer available, grid will charge battery.
2.
PV only:
Only PV power is allowed to charge battery.
3.
None:
No battery charging permitted.
NOTE:
AC charging duration can be set.