UPS Operating Instructions
Eaton
®
Power Xpert
®
9395P-900 UPS Installation and Operation Manual P-164000501—Rev 09
www.eaton.com/powerquality
7-35
The input, output, battery, and bypass backfeed contactors open, and the power module is turned off on
the UPS being shut down.
Logic power remains on.
13. Verify the battery breaker or disconnect for the UPS being shut down is open. If not, open the breaker.
WARNING
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
14. 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.
7.5.8
Single UPS Restart
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.
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
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.
12. On the System Status screen, select the UPS command.
13. Press the CONTROLS pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
14. On the UPS Control Command screen, select GO TO ONLINE.
NOTE
If the UPS contains an input breaker (CB1), DO NOT open the breaker unless no
input feeder breaker is installed.
Summary of Contents for Power Xpert 9395P-900 Series
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