Eaton Power Xpert 9395 550/275, Installation And Operation Manual

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UPS Operating Instructions
7-22 Power Xpert
TM
9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716—Rev 8 www.eaton.com/powerquality
5. Press the SELECT pushbutton on the Bypass Command menu bar.
The UPS transfers to Bypass mode and the critical load is immediately supplied by the bypass source. If
the bypass source is not available, the power module remains on and an alarm sounds.
The BYPASS status indicator is illuminated. The Bypass status indicates
ON
. The UPM status indicates
READY
. The power module remains on.
WARNING
Power is present inside the UPS cabinet.
7.3.18 Transfer from Bypass to Online Mode
To transfer the critical load to Online mode:
1. If not already closed, close the battery breaker.
2. Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
3. On the System Status screen, select the UPS command.
4. Press the CONTROLS pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
5. On the UPS Control Command screen, select GO TO ONLINE .
6. Press the SELECT pushbutton on the UPS Command menu bar.
The UPS transfers to Online mode. If the power module is not available, the system remains on bypass
and an alarm sounds.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The UPM status indicates
ONLINE
.
7.3.19 Transfer from Online to Bypass Mode and Shut Down UPMs
To transfer the critical load to Bypass mode and shut down the UPMs:
1. Transfer the critical load to bypass by performing the procedure in paragraph 7.3.17.
2. Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
3. If UPM 4 (FI-UPM) is installed, proceed to Step 4; otherwise, proceed to Step 11.
4. On the System Status screen, select the UPM command. The UPS Control Command screen is displayed.
5. On the UPS Control Command screen, select the UPM 1 command.
6. Press the CONTROLS pushbutton on the UPS Control Command menu bar. The UPM 1 Control
Command screen is displayed.
7. Proceed to Step 10.
8. On the System Status screen, select the UPM command.
9. Press the CONTROLS pushbutton on the System Status Command menu bar. The UPM 1 Control
Command screen is displayed.
10. On the UPM 1 Control Command screen, select UPM OFF .
11. Press the SELECT pushbutton on the UPM 1 Command menu bar.
The UPM status indicates
READY
.
The input, output, and battery contactors open, and the power module
remains on.
12. To turn off the power module, press the CONTROLS pushbutton on the UPS Control Command menu bar.
The UPM 1 Control Command screen is displayed.
13. On the UPM 1 Control Command screen, select UPM OFF .