UPS OPERATING INSTRUCTIONS
Eaton 9395 UPS (225–275 kVA) Installation and Operation Manual S 164201683 Rev 3 www.eaton.com/powerquality
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W A R N I N G
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.
9. 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.
7.4.23 Single UPS Shutdown using UPM Shutdown
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 on page 5-4.
To shut down a single UPS:
1. Open the MOB for the UPS being shut down.
2. On the UPS being 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 transfer to Bypass mode.
The
BYPASS status indicator is illuminated. The Bypass status indicates ON. The
UPM status indicates READY. The power module remains on.
7. If UPM 4 (FI-UPM) is installed, proceed to Step 8; otherwise, proceed to Step 12.
8. On the System Status screen, select the
UPM command. The UPS Control
Command screen is displayed.
9. On the UPS Control Command screen, select the
UPM 1 command.
10. Press the CONTROLS pushbutton on the UPS Control Command menu bar. The
UPM 1 Control Command screen is displayed.
11. Proceed to Step 14.
12. On the System Status screen, select the
UPM command.
13. Press the
CONTROLS pushbutton on the System Status Command menu bar. The
UPM 1 Control Command screen is displayed.
14. On the UPM 1 Control Command screen, select
UPM OFF.
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