Connecting The Pv Inverter; Dc Wiring Connections - Eaton PV240 User Manual

7. Connecting the PV Inverter

7.1 DC Wiring Connections

Since the wiring box has been opened during mounting procedures,
please use the proper tools to knockout an opening hole in the desired
location from wiring box for AC cables and then inserted a conduit and
fixed it with the pipe end fitting as shown in figure 7.1.1. If the top cover of
the wiring box is not removed yet, please remove the top cover of wiring
box before this procedure started.
Figure 7.1.1: Implement a conduit to the wiring box
IMPORTANT
Conduit is not the part of accessories supplied with the Eaton
grid-tied PV Inverter. Therefore, it is important to ensure to use
the water tight conduits.
A) Before fitting the DC connectors on the cables of PV string, it's important
to conduct polarity check by following the steps below:
i. Using multi-meter to measure the PV string's cable ends and check
the parity
ii. The positive (+) end of cable shall be fitted with Female Connector
iii. The negative end (-) of cable shall be fitted with Male Connector
Eaton Corporation
Figure 7.1.2: Polarity checking
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