Vertiv Liebert GXT3 Series User Manual

6. Remove the power module cover grille and the battery cover grille with the screws securing them to the frame.
7. Disconnect the slotted battery connectors from the internal battery packs.
8. If additional external batteries are used, disconnect the two external battery connectors.
9. Slide power module restraint lever up out of the locked position.
10. Slide the power module out the front, supporting its weight as it is withdrawn.
Figure 10.4 Removing power module from Liebert GXT3 8000 and 10,000VA models
ITEM DESCRIPTION
1 Power module pulled part of the way out of an 8000 or 10,000VA unit.
Table 10.4 Removing Power Modules Descriptions
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 3.7 on page18).
18. Close the output circuit breaker on the rear of the UPS (see Figure 3.7 on page18).
19. Move the bypass breaker on the rear of the UPS back to the INVERTER position (see Figure 3.7 on page18).
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 7.1 on
page37).
NOTE: The power module restraint lever must be fully engaged for the UPS to operate in Normal Mode.
Vertiv | Liebert® GXT3 ™ Installer/User Guide | 51
FOR HISTORICAL USE ONLY

Vertiv Liebert GXT3 Series Specifications

General

Brand	Vertiv
Model	Liebert GXT3 Series
Category	UPS
Language	English