Connecting The Ac Grid To The Inverter - SolarEdge SE3K-RWB Installation Manual

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 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 30 ).
Three Phase System MAN-01-00507-4.2
Appendix C: Connecting the AC and DC Strings to the DC Safety Unit
Figure 31: Opening the DC Safety Unit cover
Figure 32: Insulation stripping – AC
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