Eaton Power Xpert 9395P-900 Series, Installation And Operation Manual

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UPS Operating Instructions
Eaton
®
Power Xpert
®
9395P-900 UPS Installation and Operation Manual P-164000501—Rev 09 www.eaton.com/powerquality 7-31
7.5.2 Starting the Distributed Bypass System in Bypass Mode
If the inverter output of the distributed bypass system is not available and the critical load needs to be
energized, start the distributed bypass system in bypass mode.
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and
abnormalities.
To start in bypass mode:
1. Unfasten the front door latches and swing the doors open on all of the UPSs.
2. If the UPSs contain input breakers (CB1), verify that all input breakers are open.
3. Close all Module Output Breakers (MOBs).
4. Close all UPS Bypass input feeder circuit breakers.
5. Close the doors and secure the latches.
6. Observe the UPS control panel displays becoming active, indicating logic power.
7. On any UPS, press the LOCK icon on the main screen. The Sign In screen is displayed. Use operator
password to log in (factory default password is 0101).
8. On the System Status screen, verify the UPS status is
OK
and the UPM status is
OFFLINE
.
9. Verify no alarms are active on the Events Log screen.
10. On the System Status screen, select the UPS Controls command.
11. Press the CONTROLS pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
12. On the UPS Control Command screen, select the Go To Bypass command.
13. Select YES when prompted to confirm the command.
The critical load is immediately supplied by the bypass source in Bypass mode.
The BYPASS status indicator is illuminated. The Bypass status indicates
ON
. The UPM status indicates
ON
.
7.5.3 Starting a Single UPM
To start a single UPM:
1. Unfasten the front door latch and swing the door open.
2. If the UPS contains input breaker CB1, 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. 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 Status screen is displayed.
9. On the System Status screen, the UPS status should indicate SHUTDOWN and the UPM status should
indicate OFFLINE.