User Guide

OPERATION

EATON Powerware

9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev C www.powerware.com

Normal Mode Startup

To start up the UPS:

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. If an optional isolation transformer is installed, switch the input

circuitbreakertotheONposition(seeFigure12onpage21).

4. Switch on utility power where the UPS is connected.

5. Wait for the front panel LCD to illuminate.

The

indicator flashes.

6. Remove the breaker tie from all battery circuit breakers.

7. Switch all battery circuit breakers to the ON position.

The

indicator stops flashing.

8. Press any button on the front panel display to activate the menu

options.

9. Press the

button on the front panel display and then press the

button to select the TURN UPS ON/OFF menu.

10. Select the TURN UPS ON option. Press and hold the

button for

three seconds, until the UPS stops beeping.

The

indicator illuminates. The UPS is now powering the load.

If the

indicator is flashing, check the UPS status from the front

panel to view the active alarms. Correct the alarms and restart if

necessary.