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OPERATION
EATON Powerware
®
9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev C www.powerware.com
74
Starting the UPS on Battery
NOTE Before using this feature, the UPS must have been powered by utility power at least
once.
To start the UPS on battery:
1. Verify that the maintenance bypass switch is in the UPS position
(see Figure 47 on page 81).
2. If an optional wall-mounted bypass cabinet is installed:
S Verify that the bypass breaker is in the OFF position (see
Figure 20 on page 32).
S Verify that the UPS breaker is in the ON position (see Figure 23
on page 36).
3. Switch all battery circuit breakers to the ON position.
NOTE Leave the battery circuit breaker(s) in the ON position during this operation. If you
need to cancel this operation, wait until the front panel LCD illuminates before switching the
battery circuit breaker(s) off.
4. Wait for the front panel LCD to illuminate.
5. Press any button on the front panel display to activate the menu
options.
6. Within three minutes, press the
button on the front panel display
and then press the
button to select the TURN UPS ON/OFF
menu.
7. Select the TURN UPS ON option. Press and hold the
button for
three seconds, until the UPS stops beeping.
The UPS starts in Battery mode within two minutes and supplies
battery power to your equipment.