Installation
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IPN March 2019
61
Protective earthing conductor to protective earth wire in building.
Step 4 - Check Output Reference to Ground
The dc +ve output of the RM3-340/440 is bonded to ground internally within the unit
and is not serviceable.
The grounding arrangement of your communications equipment determines how the
dc common of the dc power system is referenced to ground. Ensure that this is
compatible with the grounding of the RM3-340/440.
Procedure complete
Task 4 - Connect the DC Load and Battery Cables
If the RM3-340/440 dc power system is to be installed in a location where the ambient
temperature may rise above 50ºC (122ºF), then 90°C rated cable rated cable must be used
for the dc load and battery connections.
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