Connecting the ACGrid 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/OFFswitch
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:
Figure 31: Opening the DC Safety Unit cover
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.
Figure 32: Insulation stripping – AC
6. Open the AC cable gland and insert the cable through the gland (see
Figure 30
).
Appendix C: Connecting the AC and DCStrings to the DC Safety Unit 85
Three Phase System MAN-01-00507-4.2
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