Powerware UPS Sidecar Powerware 9390 - Manual (Page 46)

UPS SIDECAR FEATURES, CONTROLS, AND OPERATION
EATON Powerware ® 9390 UPS Sidecar Installation and Operation Manual S 164201586 Rev E www.powerware.com 4-14
W A R N I N G
Power is present inside the UPS cabinets.
6. Remove the screw securing the bottom of the UPS Sidecar front panel. Lift up
the panel and remove.
7. Close the MBP.
8. Slide the interlock plate to the left.
9. Open the MIS.
10. Open the BIB and RIB if installed.
11. Reinstall the UPS Sidecar front panel and secure with the screw at the bottom of
the panel.
4.5.3 Transferring the UPS from Maintenance Bypass
C A U T I O N
Only trained personnel familiar with the operation of this equipment should transfer loads. Failure to follow
this transfer sequence may cause loss of power to loads or overload protection devices to activate.
C A U T I O N
In Bypass mode, the critical load is not protected from commercial power interruptions and abnormalities.
1. Remove the screw securing the bottom of the UPS Sidecar front panel. Lift up
the panel and remove.
2. Close the BIB and RIB, if installed.
3. Verify that the UPS is operating and is in Bypass mode. Refer to the applicable
Powerware 9390 installation and operation manual, listed in paragraph 1.5.
4. Close the MIS.
5. Slide the interlock plate to the NORMAL position.
6. Open the MBP.
7. Reinstall the UPS Sidecar front panel and secure with the screw at the bottom of
the panel.
8. Transfer the UPS to Normal mode by pressing the CONTROLS pushbutton on the
main menu bar. The System Controls screen appears.
9. Press the NORMAL pushbutton on the System Controls menu bar.
The UPS transfers to Normal mode. If the power processor is not available, the
system remains on bypass and an alarm sounds.
10. The UPS is now operating in Normal mode, and the NORMAL status indicator is
illuminated.