Eaton Powerware 9155 - Maintenance Bypass Module (MBM); Input Isolation Transformer; Seismic Kit

4 9x55 8–15 kVA Battery Upgrade (8–15 kVA) —Rev 1
2. Verify that the UPS battery circuit breaker CB1, at the rear of the unit, is open. Follow applicable lockout/
tagout procedures.
Figure 2. CB1 Is Open (Located at the rear of the unit)
NOTE If an external battery cabinet is attached, it must be disconnected from the UPS. Ensure
that CB1 is open on each associated external battery cabinet.
Battery Upgrade Procedure