Eaton 9PXM8S4K User Manual page 44

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No Break Transfer from Service Bypass to UPS Mode
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 30. From SERVICE to LINE
2.
To transition the UPS from LINE to UPS, press and hold the red button and turn the switch to UPS (see
Figure 31
NOTE 1
NOTE 2
Figure 31. From LINE to UPS
Rotate switch
to UPS position
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.
32
4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 10
Rotate switch
to LINE position
).
Pressing the red button sends the UPS into Bypass Mode. This allows the UPS output
to synchronize with utility for safe, uninterrupted transfer.
In UPS Mode, the UPS resets from Bypass to UPS Normal Mode ( Online Mode ). This
transition may take as long as 60 seconds.
UPS
MODE
LOAD
UTILITY
INPUT
OUTPUT
BPM
TO
FROM
UPS
UPS
INPUT
OUTPUT
UPS

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