16.
Initial Setup
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Battery charging source:
1.
PV and Grid (Default)
PV power will first charge battery. If power is insufficient, grid will charge battery.
2.
PV only
Only PV power is allowed to charge battery.
3.
None
No battery charging permitted.
Load supply source:
When PV power is available: 1
st
PV, 2
nd
Grid, 3
rd
Battery
If battery is not fully charged, PV will first charge battery. Remaining PV power will
feed the load. If PV power is insufficient, grid will feed the load. If grid is not
available, battery will back up.
When PV power is not available:
1.
1
st
Grid, 2
nd
Battery (Default)
Grid will first provide power to the load. If grid is not available, battery will backup.
2.
1
st
Battery, 2
nd
Grid
Battery will first feed the load. If battery is 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.
Grid-tie with backup (II) :
