11. Initial Setup
19 www.sinetech.co.za
Grid-tie with backup
Grid-tie with backup (I) :
PV energy supply priority setting:
1
st
Battery, 2
nd
Load and 3
rd
Grid.
PV power will charge battery first, and then provide power to the load. Any excess
solar power will be fed into the grid.
Battery charging source:
1.
PV and Grid (Default)
Charging of battery is prioritised. If power is insufficient, grid will charge battery.
2.
PV only
Only PV power is allowed to charge battery.
3.
None
Neither PV power nor the grid is allowed to charge the battery.
Load supply source:
When PV power is available: 1
st
PV, 2
nd
Grid, 3
rd
Battery
If battery is not fully charged, PV power will charge battery first, any excess PV
power will go to the load. If PV is insufficient, grid will provide power to the load. If
grid is not available at this time, battery power will back up.
