4 Battery Upgrade Instructions for 9355 (20–30 kVA) —Rev 01
Figure 5. Open the Battery Circuit Breaker CB2 and Remove the Battery Dead Front
5. As shown in Figure 6, disconnect the positive (red) and negative (black) battery connectors for all the
battery trays.
NOTE If an external battery cabinet is attached, it must also be disconnected from the UPS.
Figure 6. Disconnect All Battery Trays
Battery Upgrade Procedure