User’s Guide P-164000628
P-164000628—Rev 05
17
To turn the BPM to UPS mode:
1.
Turn the switch from SERVICE to LINE (see
The UPS is now in LINE mode and is energized. It is often best practice to check the UPS status and
configure settings in this mode before transitioning to UPS mode. Simply check the status of the UPS
through the front LCD menu to ensure the UPS is prepared for use.
Figure 18. From SERVICE to LINE
1
2.
To transition the UPS from LINE to UPS, press and hold the red button and turn the switch to UPS (see ).
NOTE 1
Pressing the red button sends the UPS into Internal Bypass mode. This allows the UPS
output to synchronize with utility for safe, uninterrupted transfer.
NOTE 2
In UPS mode, the UPS resets from Internal Bypass to UPS Normal mode ( online mode
). This transition may take as long as 60 seconds.
NOTE 3
Do not attempt to push the red interlock button or attempt to move the bypass switch
handle if the UPS is operating on battery power.
Figure 19. From Line to UPS
2
3
3.
Once the switch is in UPS mode and the UPS is in Normal mode (online mode), the system is in normal
operation and prepared to provide uninterrupted power to the critical load.
Summary of Contents for Powerware 9155
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