Eaton Power Xpert 9395 550/275 Installation And Operation Manual page 158

12. On the UPM Control Command screen, select UPM OFF.
13. Press the SELECT pushbutton on the UPM Command menu bar.
The UPM status indicates SHUTDOWN. The power module is turned off. The remaining UPMs continue to
supply the critical load.
Logic power remains on.
7 7 . . 3 3 . . 2 2 1 1 S S i i n n g g l l e e U U P P M M R R e e s s t t a a r r t t
To restart a single UPM from a shutdown state:
1. Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
2. If UPM 4 (FI-UPM) is installed, proceed to Step 3; otherwise, proceed to Step 7.
3. On the System Status screen, select the UPM command. The UPS Control Command screen screen is
displayed.
4. On the UPS Control Command screen, select the UPM to restart.
5. Press the CONTROLS pushbutton on the UPS Control Command menu bar. The UPM Control Command
screen is displayed.
6. Proceed to Step 9.
7. On the System Status screen, select the UPM command.
8. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM 1 Control
Command screen is displayed.
9. On the UPM Control Command screen, select UPM ON.
10. Press the SELECT pushbutton on the UPM Command menu bar.
11. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM rectifier and inverter turn on.
12. To transfer the UPM to Online mode, press the CONTROLS pushbutton on the UPS Control Command
menu bar. The UPM Control Command screen is displayed.
13. On the UPM Control Command screen, select UPM GO TO ONLINE.
14. Press the SELECT pushbutton on the UPM Command menu bar.
The UPM transfers to Online mode. The UPM status indicates ONLINE.
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To perform maintenance or service on the critical load, shut down power to the load:
1. Turn off all equipment that is being powered by the UPS.
2. Perform the LOAD OFF procedure in paragraph
7.3.24 Using the UPS LOAD OFF Pushbutton or
The input, output, battery, and bypass backfeed contactors open, and the power module is turned off.
Command.
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
UPS Operating Instructions
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