Eaton Power Xpert 9395 550/275 Installation And Operation Manual page 170

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 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 7 . . 4 4 . . 1 1 6 6 S S t t a a r r t t i i n n g g a a S S i i n n g g l l e e U U P P M M
To start a single UPM:
1. Unfasten the front door latch and swing the door open (see
NOTE *Only perform steps 2 and 5 if the UPS has an input breaker CB1 (see
2. *Verify that input breaker CB1 is open.
3. Close the UPS input feeder circuit breaker for only the UPS containing the UPM to be started.
4. Close the UPS Bypass input feeder circuit breaker for only the UPS containing the UPM to be started.
5. *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 Status screen is displayed.
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. On the System Status screen, select the UPM command.
12. 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 ON.
14. Press the SELECT pushbutton on the UPM Command menu bar.
15. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
7.4.18 Transfer from Bypass to Online
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
UPS Operating Instructions
Mode.
Figure 12).
Figure 63).
149