User's Guide Power Supply 9150

Installation

Powerware

9150 User’s Guide www.powerware.com

UPS Startup on Battery

NOTE Beforeusingthisfeature, theUPSmusthave beenpowered byutility power at

least once so thatthe UPScanauto-detect thefrequency(50 or60 Hz).

1. Remove the front panel. Lift from the bottom of the panel and

then pull out (see Figure 5 on page 22).

2. Verify that the Maintenance Bypass switchis in the UPS

position.

3. Turn the UPS battery breaker CB1 and optional CB2 to the ON

position. If you have additional battery cabinets, turn the circuit

breakers on all battery cabinets to the ON position.

4. Start the UPS by turning on the UPS ON/OFF switch (the

position).

5. Press the Battery Start pushbutton below the UPS control panel

(see Figure 14 on page 39) and hold for approximately five

seconds.

The UPS checks its internal functions and supplies power to the

output. The UPS starts in approximately one minute. The UPS

ON, ON BATTERY, and LOAD indicators illuminate. The

audible alarm sounds; press the RESET pushbutton on the LED

panel to clear the alarm.

6. Reinstall the front panel.