UPS OPERATING INSTRUCTIONSEaton 9395 UPS (225–275 kVA) Installation and Operation Manual 164201683 Rev 3 www.eaton.com/powerquality 7-45W A R N I N GPower 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 breakeris 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. Thisis an expected event and will clear upon UPS restart.7.4.23 Single UPS Shutdown using UPM ShutdownNOTE To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and connectedaccording 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 menubar. 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 BypassControl 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. TheUPM 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 ControlCommand 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. TheUPM 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. TheUPM 1 Control Command screen is displayed.14. On the UPM 1 Control Command screen, select UPM OFF.
