UPS OPERATING INSTRUCTIONS
7.3.2Starting the UPS in Bypass Mode
If the inverter output of the UPS is not available and the critical load needs to be energized:
C A U T I O N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1.If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
2.Close the UPS input feeder circuit breaker.
3.Close the UPS Bypass input feeder circuit breaker.
4.Observe the UPS control panel becoming active, indicating logic power.
5.Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
6.On the System Status screen, verify the UPS status is SHUTDOWN and the UPM status is OFFLINE.
7.If the UPS contains input breaker CB1, close input breaker CB1.
8.On the System Status screen, select the BYPASS command.
9.Press the CONTROLS pushbutton on the System Status menu bar. The Bypass Control Command screen is displayed.
10.On the Bypass Control Command screen, select GO TO BYPASS.
11.Press the SELECT pushbutton on the Bypass Command menu bar.
The critical load is immediately supplied by the bypass source, in Bypass mode.
The BYPASS status indicator is illuminated. The Bypass status indicates ON. The UPM status indicates SHUTDOWN, CLOSE BATTERY.
7.3.3Starting the UPMs
To start the power module without transferring the critical load to Normal mode:
1.If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
2.Close the UPS input feeder circuit breaker.
3.Close the UPS Bypass input feeder circuit breaker.
4.Observe the UPS control panel becoming active, indicating logic power.
5.Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
6.On the System Status screen, verify the UPS status is SHUTDOWN and the UPM status is OFFLINE.
7.If the UPS contains input breaker CB1, close input breaker CB1.
8.On the System Status screen, select the UPM command.
9.On the UPS Control Command screen, select the UPM 1 command.
7−12 | EATON Powerware® 9395 UPS |
