32
Load supply source:
When PV power is available: 1
st
PV, 2
nd
Battery, 3
rd
Grid
PV power will provide power to the load first. If it’s not sufficient, battery power will
back up the load. Only after battery power is running, Grid will back up the load.
When PV power is not available:
1. 1
st
Grid, 2
nd
Battery: Grid will provide power to the load at first. If grid is not
available, battery power will provide power backup.
2. 1
st
Battery, 2
nd
Grid: Battery power will provide power to the load at first. If
battery power is running out, 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.