Eaton Power Xpert 9395 Installation And Operation Manual page 194

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.
7 7 . . 4 4 . . 2 2 4 4 S S i i n n g g l l e e U U P P S S R R e e s s t t a a r r t t
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
4. If input breaker (CB1) is installed on the UPS being restarted and is open, close the breaker (see
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.
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.
15. Press the SELECT pushbutton on the UPS Command menu bar.
NOTE If the UPS is starting on a bus with other online paralleled UPSs, the UPS will not go to
bypass during startup. The UPS will start, sync to the other UPSs online, and go online.
16. Verify the following messages display sequentially on the UPM status line:DC STARTING,
CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
ONLINE, CHARGER ON
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201764—Rev 14
UPS Operating Instructions
Figure 17).
Figure 79).
173