Operating instructions

UPS OPERATING INSTRUCTIONS
Eaton 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual S 164201716 Rev 2 www.eaton.com/powerquality
7-21
9. On the System Status screen, the UPS status should indicate SHUTDOWN and the
UPM status should indicate OFFLINE.
10. Verify no alarms are active.
11. If UPM 4 (FI-UPM) is installed, proceed to Step 12; otherwise, proceed to
Step 16.
12. On the System Status screen, select the
UPM command. The UPS Control
Command screen screen is displayed.
13. On the UPS Control Command screen, select the
UPM 1 command.
14. Press the
CONTROLS pushbutton on the UPS Control Command menu bar. The
UPM 1 Control Command screen is displayed.
15. Proceed to Step 18.
16. On the System Status screen, select the
UPM command.
17. Press the CONTROLS pushbutton on the UPS Control Command menu bar. The
UPM 1 Control Command screen is displayed.
18. On the UPM 1 Control Command screen, select
UPM ON.
19. Press the
SELECT pushbutton on the UPM 1 Command menu bar.
20. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM 1 rectifier and inverter turn on.
If UPM 4 (FI-UPM) is installed and the Inherent Redundancy option is enabled, a
loss of redundancy alarm will be issued. Silence the alarm and continue to
Step 21.
21. If UPM 4 (FI-UPM) is installed, repeat Steps 13 through 19 selecting
UPM 4 to
start UPM 4.
22. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM 4 rectifier and inverter turn on. When the inverter reaches full voltage,
the UPS is ready to transfer to Online mode and supply the critical load.
NOTE To transfer to Online mode after starting individual UPMs, follow the procedure in paragraph 7.3.18.