Liebert GXT2-6000 RT208 UPS Replacement, Connector Connector cover Cover Electrical connectors

Maintenance

12.2UPS Replacement

When using a power distribution box with bypass, the UPS can be removed while powering the load through the Bypass Switch.

NOTE

During the procedure, the connected load will not be protected from power disturbances, such as spikes, sags and failure.

To remove the UPS without shutting off power to the connected load:

1.Turn the Bypass Switch on the power distribution box to the Utility position.

2.Open the Output circuit breaker (on the UPS rear panel).

3.Open the Input circuit breaker (on the power distribution box).

4.Loosen the three captive mounting screws about 20 turns until the power distribution box can be pulled away from the UPS.

5.Loosen the electrical connector cover by backing out the two screws holding it one turn each. Also loosen the end screw one turn.

6.Slide the cover to reach the end screw and cover the electrical connectors; retighten the three screws gently to hold the cover in place.

7.Replace the UPS.

8.Loosen the three screws holding the electrical connector cover again—one turn each.

9.Slide the cover away from the electrical connectors; gently retighten the three screws.

10.Align the connectors on the power distribution box and the UPS.

11.Push the power distribution box into place.

12.Holding the power distribution box firmly against the UPS, tighten the three captive mounting screws until the box is secure. Do NOT overtighten the screws.

13.Close the Input circuit breaker (on the power distribution box).

14.Close the Output circuit breaker (on the UPS rear panel).

15.Turn the Bypass Switch on the power distribution box back to the UPS position.

THEMANUAL	DISCONNECT
BYPASS SWITCH.	BYPASS POWER TO

Mounting screws

for removable power

distribution box

Electrical	Screws securing electrical
connector	connector cover
cover

Electrical connectors

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