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Operation
72
Powerware
®
9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com
5. Switch all battery circuit breakers to the ON position.
The
indicator stops flashing.
6. Press any button on the front panel display to activate the menu
options.
7. Using the button on the front panel display, scroll to the
Control menu option and press the
button.
8. Press the button to select the Go to Bypass Mode option.
The
and indicators illuminate, indicating the UPS is
operating in Bypass mode. The load is now powered by utility
power.
To switch to Normal mode from internal Bypass mode:
1. Press the button to select the Go To Normal Mode option.
2. Press the
ESC
button until the Eaton Powerware logo appears.
Normal Mode Startup
To start up the UPS:
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. If an optional isolation transformer is installed, switch the input
circuit breaker to the ON position.
3. Switch on utility power where the UPS is connected.
4. Wait for the front panel LCD to illuminate.
The
indicator flashes.
5. Remove the breaker tie from all battery circuit breakers.
6. Switch all battery circuit breakers to the ON position.
The
indicator stops flashing.