Eaton Power Xpert 9395 Installation And Operation Manual page 192

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 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.
7 7 . . 4 4 . . 2 2 2 2 S S i i n n g g l l e e U U P P S S S S h h u u t t d d o o w w n n u u s s i i n n g g L L o o a a d d O O f f f f
NOTE To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and
connected according to the procedure in paragraph 5.2
5.2 Installing Distributed Bypass Control
To shut down a single UPS:
1. Open the MOB for the UPS being shut down.
2. On the UPS to shut down, press the CONTROLS pushbutton on the main menu bar. The System Status
screen is displayed.
3. On the System Status screen, select the BYPASS command.
4. Press the CONTROLS pushbutton on the System Status menu bar. The Bypass Control Command screen
is displayed.
5. On the Bypass Control Command screen, select GO TO BYPASS.
6. Press the SELECT pushbutton on the Bypass Command menu bar.
The UPS being shut down transfers to Bypass mode.
The BYPASS status indicator is illuminated. The Bypass status indicates ON. The UPM status indicates
READY. The power module remains on.
NOTE Load Off will turn off only the UPS being shut down. The remaining UPSs will remain
online supplying power to the critical load.
7. Perform the LOAD OFF procedure in paragraph
on the UPS being shut down. 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.
8. Verify the battery breaker or disconnect for the UPS being shut down is open. If not, open the breaker.
7.4.27 Using the UPS LOAD OFF Pushbutton or Command
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201764—Rev 14
UPS Operating Instructions
Wiring.
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