Liebert PSITM - Manual (Page 27)

Maintenance
23
10.3.1 Internal Battery Replacement Procedure
1. Gently remove the front plastic bezel cover from the UPS.
2. Loosen and remove the five (5) screws on the front cover plate. Lay the cover plate aside for
reassembly.
3. Loosen and remove four (4) screws on battery bracket.
4. Disconnect the two (2) slotted, red and black battery connectors.
5. Grasp the battery pack assembly by the pull tab and pull it out of the front of the UPS.
6. Unpack the new battery assembly, taking care not to destroy the packing. Compare new and old
battery assemblies to make sure they are the same. If so, proceed with Step 7; otherwise STOP
and contact your local dealer, Liebert representative, or the Liebert Worldwide Support Group.
7. Slide in the new replacement battery pack.
8. Reattach the battery bracket with the four (4) screws.
9. Reconnect the two (2) slotted red and black battery connectors.
10. Reattach the front battery door with the five (5) screws.
11. Reattach the front plastic bezel cover to the UPS.
Figure 18 Battery replacement procedure
0001 0203
Front Plastic Bezel
Cover
Plate
Battery
Bracket
Battery
Connectors
Battery
Pull Tab