Battery Upgrade Instructions for 9355 (20–30 kVA)
—Rev 01
3
C
Chhaapptteerr 22 B
Baatttteerryy U
Uppggrraaddee P
Prroocceedduurree
WARNING
This procedure involves interacting with components that may be energized.
Any and all work can involve hazards when working on electrical equipment. The work must be done in
accordance with all applicable local, federal, or other safety requirements and must be performed by qualified
personnel.
1.
Remove the 9355 20–30kVA front door (see
Figure 4
).
Figure 4. Remove the UPS Front Door
!
IMPORTANT
In the event of input power failure while performing this procedure, battery backup will not be available.
2.
Follow the instructions in the manual to place the 9355 20-30kVA UPS in bypass and in maintenance
bypass. However, if the UPS cannot be placed in maintenance bypass, this procedure can still be
performed.
3.
Open the UPS battery circuit breaker CB2 (see
Figure 5
). Follow lockout/tagout procedures.
4.
Remove the thirteen M5 bolts from the battery panel cover (dead front) and remove it (see
Figure 5
).
