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3.4 Electrical installation
3.4.1 DC Connection
Connections from PV panels to the Inverter are made in the Inverter Wiring Box.
Cable type and size should be selected according to the following requirements:
Use Class 2 or Class 3 cable, with temperature rating of 194 °F (or 90 °C).
Wire size is from 12 AWG to 8 AWG.
1. Switch off circuit breaker in the main switch box to disconnect utility.
2. Cover PV panels to prevent from producing DC energy during installation.
3.
Put AC/DC disconnect switch to “0” position (OFF).
4. Remove the cover on the lower part of the inverter to access the Wiring Box of
Inverter.
Figure 3-6 Remove Wiring Box Cover
