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74
Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com
Starting the UPS on Battery
NOTE Before using this feature, the UPS must have been powered b y
utility power at least once.
To start the UPS on battery:
1. If you have an optional MBM/PDM, verify that the Maintenance
Bypass switch is in the UPS position (see Figure 41 on page 79).
2. 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 b efore switching the battery circuit breaker(s) off.
3. Wait for the front panel LCD to illuminate.
4. Press any button on the front panel display to activate the menu
options.
5. Within three minutes, press the buttononthefrontpanel
display and then press the
button to select the TURN UPS
ON/OFF menu.
6. Select the ON option. Press and hold the button for three
seconds, until the UPS stops beeping.
The UPS starts within two minutes. The UPS supplies power to
your equipment and goes into Battery mode.