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9-8 Replacing the low-voltage disconnect unit
Procedure 9-1 (continued)
Removing and installing an LVD
Step
Installing the new LVD
17
18
19
20
21
22
23
24
25
26
27
AccessNode P0904244 Issue 1.0
Action
Set the options switches on the new LVD to the same settings as on the old
LVD unit.
Mount the replacement LVD into the same place that the old LVD was
removed using the same 4 mounting bolts.
Reconnect the red LVD output power cable to the contactor.
Reconnect the red and white leads of the NT4K84XA cable to the LVD bus
bar.
On the LVD cover, reconnect the 8-position connector to position J1 on the
circuit board.
Reconnect the 2-position (red and black leads) Molex connectors between
the LVD cover and the contactor in the LVD box.
In the LVD box, reconnect the 3-position fuse connector to J9 on the circuit
board.
Reinstall the LVD cover plate using the same 8 mounting screws.
Reconnect the green ground lead from the rectifier shelf to the LVD cover
plate.
Reconnect the external cables and wiring to the LVD.
Note: Ensure that the cable labels match the connector designation on the
new LVD.
Go to Procedure 9-2, "Restoring power to the system" on page 9-9.
—end—
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