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Installing the Four-Feed PDU
Installing the NT4N49AA PDU is a two-step process. It involves:
1
Installing safety ground/protective earth wiring on
2
Connecting power from the power plant to the PDU on
Note: For installation in the UK, see procedure "Connecting UK power
to the Four-Feed PDU" on
Installing safety ground/protective earth wiring
Procedure 8
Installing safety ground/protective earth wiring
1
Remove the associated 30 A fuse or set circuit breakers to the OFF
position in the power plant to disconnect each pedestal from the power
source.
2
Remove the air intake grill from the rear of the pedestal.
3
At the rear of the pedestal, use a Phillips screwdriver to remove the metal
cover over the terminal block to access the safety ground/protective earth
lugs. Leave the cover off until all pedestal connections are made.
4
Connect the safety ground/protective earth wire.
•
For a single-column system, connect a #6 AWG wire from the
ground source in the service panel to a ground lug on the pedestal.
•
For a multiple-column system, connect a #6 AWG wire from the
ground source in the service panel to a ground lug on the closest
column. Daisy-chain #6 AWG ground wires from one pedestal to the
Installing DC power
page
133.
CAUTION — Service Interruption
System Failure
Failure to follow grounding procedures can result in
unsafe or faulty equipment. For more information
about approved grounding sources and methods,
see Communication Server 1000M and Meridian 1
Large System Planning and Engineering
(NN43021-220).
Large System Installation and Commissioning
Page 127 of 436
page 127
page 129
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