UPS OPERATING INSTRUCTIONS
7.4.6Transfer from Normal to Bypass Mode and Shut Down all UPSs
To transfer the critical load to Bypass mode and shut down all UPSs:
1.Transfer the critical load to bypass by performing the procedure in paragraph 7.4.4.
2.Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
3.On the System Status screen, select the UPM command.
4.On the UPS Control Command screen, select the UPM 1 command.
5.Press the CONTROLS pushbutton on the System Status menu bar. The UPM 1 Control Command screen is displayed.
6.On the UPM 1 Control Command screen, select UPM OFF.
7.Press the SELECT pushbutton on the UPM 1 Command menu bar.
The UPM status indicates SHUTDOWN. The input, output, and battery contactors open, and the power module is turned off. The bypass source supplies the critical load.
8.Repeat Steps 2 through 7 selecting UPM 2 to shut down UPM 2.
9.Repeat Steps 2 through 7 selecting UPM 3 to shut down UPM 3.
10.If the UPS is a Plus 1 model, repeat Steps 2 through 7 selecting UPM 4 to shut down UPM 4.
11.Repeat Steps 2 through 10 for each UPS in the distributed bypass system.
W A R N I N G
Power is present inside the UPS cabinet sections.
7.4.7Single UPM Shutdown
To shutdown a single UPM:
1.Press the CONTROLS pushbutton on the main menu bar. The System Status screen is displayed.
2.On the System Status screen, select the the UPM Command. The UPS Control Command screen is displayed.
3.On the UPS Control Command screen, select the the UPM to shutdown.
4.Press the CONTROLS pushbutton on the System Status menu bar. The UPM Control Command screen is displayed.
5.On the UPM Control Command screen, select UPM OFF.
6.Press the SELECT pushbutton on the UPM Command menu bar.
The UPM status indicates SHUTDOWN. The input, output, and battery contactors open, and the power module is turned off. The remaining UPMs supply the critical load.
7−24 | EATON Powerware® 9395 UPS |
