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Maintenance
34
Figure 25 Removing power module from Liebert
®
GXT3
™
8000 and 10,000VA models
11. Insert the replacement UPS power module.
12. Slide the power module restraint lever back into the locked position.
13. Reconnect the slotted internal battery connectors.
14. Reconnect the external battery cables, if used.
15. Reattach both front cover grilles.
16. Reattach the front plastic bezels.
17. Close the input circuit breaker on the rear of the UPS (see Figure 7).
18. Close the output circuit breaker on the rear of the UPS (see Figure 7).
19. Move the bypass breaker on the rear of the UPS back to the INVERTER position (see Figure 7).
20. Slide the bracket back next to the manual bypass breaker and tighten its thumbscrew.
21. Press the On button on the front panel one time to return the UPS to Normal Mode operation (see
Figure 18).
NOTE
The power module restraint lever must be fully engaged for the UPS to operate
in Normal Mode.
Power module
pulled part of
the way out of
an 8000 or
10,000VA unit