1 Active / Line
2 Neutral
3 RCU electronics power cable
Fig. 27 Power Isolation Unit Connection Details
The earth wire for the RCU electronics is factory fitted as part
of the power supply isolation unit and RCU power cable.
5.8 Solar Power Supply
The solar cable should be connected according to the following process:
1 The solar cable is fed through the cable gland on the RCU enclosure a suitable amount
to allow connection into the power supply compartment. The cable gland should be
tightened to clamp the solar cable.
2 Positive (red) and negative (black) of the solar cable are connected into the power supply
compartment terminal block and tightened in place. Ensure the correct wire is installed
into the matching terminal block.
3 The plastic wire entry blanking plate suitable for the solar cable is selected from the
various plates provided and is slid into place over the solar cable.
4 Fit the power compartment cover and screw in place (torque 1.5Nm) using screw driver.
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