Eaton Power Xpert 9395 550/275 Installation And Operation Manual page 173

UPS Operating Instructions
3. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM Control
Command screen is displayed.
4. On the UPM Control Command screen, select UPM OFF.
5. Press the SELECT pushbutton on the UPM Command menu bar.
The UPM status indicates READY. The input, output, and battery contactors open, and the power module
remains on. The remaining UPMs supply the critical load.
6. To turn off the power module, press the CONTROLS pushbutton on the UPS Control Command menu bar.
The UPM Control Command screen is displayed.
7. On the UPM Control Command screen, select UPM OFF.
8. 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.
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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. On the System Status screen, select the UPM command. The UPS Control Command screen is displayed.
3. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM Control
Command screen is displayed.
4. On the UPM Control Command screen, select UPM ON.
5. Press the SELECT pushbutton on the UPM Command menu bar.
6. 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.
7. 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.
8. On the UPM Control Command screen, select UPM GO TO ONLINE.
9. 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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NOTE
To shut down a single UPS:
1. Open the MOB for the UPS being shut down.
152 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and
connected according to the procedure in paragraph .