UPS OPERATING INSTRUCTIONSEaton 9395 UPS (450–825 kVA) Installation and Operation Manual 164201725 Rev 4 www.eaton.com/powerquality 7-4121. If the UPS is a Plus 1 model or an upgraded 825/550, repeat Steps 12 through 15selecting UPM 4 to start UPM 4.22. Verify the following messages display sequentially on the UPM status line:DC STARTING, CHARGER OFFINVERTER STARTINGINVERTER SYNCINGREADYThe UPM 4 rectifier and inverter turn on. When the inverter reaches full voltage,the UPS is ready to transfer to the Online mode and supply the critical load.23. Repeat Steps 1 through 22 for each UPS in the distributed bypass system.NOTE To transfer to Online mode after starting individual UPMs, follow the procedure in paragraph 7.4.18.7.4.16 Starting a Single UPMTo start a single UPM:1. Unfasten the front door latch and swing the door open (see Figure 4‐1 onpage 4-2).2. If the UPS contains input breaker CB1, verify that input breaker CB1 is open.3. Close the UPS input feeder circuit breaker.4. Close the UPS Bypass input feeder circuit breaker.5. If the UPS contains input breaker CB1, close input breaker CB1.6. Close the door and secure the latch.7. Observe the UPS control panel becoming active, indicating logic power.8. Press the CONTROLS pushbutton on the main menu bar. The System Statusscreen is displayed.9. On the System Status screen, the UPS status should indicate SHUTDOWN and theUPM status should indicate OFFLINE.10. Verify no alarms are active.11. On the System Status screen, select the UPM command. The UPS ControlCommand screen screen is displayed.12. On the UPS Control Command screen, select the UPM to start.13. Press the CONTROLS pushbutton on the UPS Control Command menu bar. TheUPM Control Command screen is displayed.14. On the UPM Control Command screen, select UPM ON.15. Press the SELECT pushbutton on the UPM Command menu bar.
