Connecting The Ac Grid To The Inverter - SolarEdge Delta SE12.5K Installation Manual

56 Connecting the AC Grid to the Inverter
Connecting the AC Grid to the Inverter
Use a five-wire cable for this connection. The maximum wire size for the input terminal
blocks is 16 mm².
To connect the AC grid to the inverter via the DC Safety Unit:
1. Turn OFF the following:
The inverter ON/OFF/P switch
The AC circuit breaker
The DC Safety Unit
2. Open the inverter cover: Release the Allen screws and carefully move the cover
horizontally before lowering it.
CAUTION!
When removing the cover, make sure not to damage internal components.
SolarEdge will not be held responsible for any components damaged as a result
of incautious cover removal.
3. Loosen the screws on the front cover of the DC Safety Unit, as shown below:
4. Remove the DC Safety Unit cover.
5. Strip 35 cm of the external cable insulation and strip 8 mm of the internal wire
insulation.
6. Open the AC cable gland and insert the cable through the gland (see Figure 26 ).
Figure 27: Opening the DC Safety Unit cover
Figure 28: Insulation stripping – AC
Three Phase System MAN-01-00505-1.5