Eaton Power Xpert 9395 - Page 217

194 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
9. On the UPS Control Command screen, select the UPM 1 command.
10. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM 1 Control
Command screen is displayed.
11. Proceed to Step 14.
12. On the System Status screen, select the UPM command.
13. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM 1 Control
Command screen is displayed.
14. On the UPM 1 Control Command screen, select UPM OFF.
15. Press the SELECT pushbutton on the UPM 1 Command menu bar. The UPM status indicates SHUTDOWN.
The input, output, and battery contactors open, and the power module is turned off.
Logic power remains on.
16. If UPM 4 (FI-UPM) is installed, repeat Steps 9 through 15 selecting UPM 4 to shut down UPM 4.
17. Verify the battery breaker or disconnect for the UPS being shut down is open. If not, open the breaker.
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
NOTE If the UPS contains an input breaker (CB1), DO NOT open the breaker unless no input
feeder breaker is installed.
18. Open the input and bypass feeder circuit breakers for the UPS being shut down.
The UPS is now completely shut down.
External Communications Failure alarm is active on remaining online UPSs. This is an expected event and
will clear upon UPS restart.
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To restart a single UPS from a shutdown state:
1. Close the MOB for the UPS being restarted.
2. Close UPS input and bypass feeder circuit breakers for the UPS being restarted.
3. Unfasten the front door latch and swing the door open on the UPS being restarted (see Figure 22).
4. If input breaker (CB1) is installed on the UPS being restarted and is open, close the breaker.
5. Close the door and secure the latch.
6. On the UPS being restarted, observe the UPS control panel display becoming active, indicating logic
power.
7. On the UPS being restarted, press the CONTROLS pushbutton on the main menu bar. The System Status
screen is displayed.
8. On the System Status screen, verify the UPS status is SHUTDOWN and the UPM status is SHUTDOWN.
9. Close the battery breaker for the UPS being restarted.
10. Verify no alarms are active on UPS being restarted.
11. Verify the External Communications Failure alarm has cleared and no other alarms are active on the online
UPSs.
UPS Operating Instructions