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After turning the load position handle to the UPS position and releasing the red button, if the Eaton 9PXM
UPS remains in Bypass Mode, return the UPS to Normal Mode using the following procedure for proper
operation:
NOTE 1
If the UPS remains in Bypass Mode and incoming AC power is lost, the load is
automatically dropped. The UPS must be in Normal Mode to provide battery backup
power.
NOTE 2
If you have any questions or problems with the bypass operation, call the Help Desk at
one of the telephone numbers in
representative.
•
Press
the button on the front panel display. The main menu screen appears (see ).
•
Press the
button to select Control.
•
Press the
button. Control menu displays.
•
Press the
button to select Go back Normal.
•
Press the
button to select Yes and press to return to Normal (UPS) Mode.
•
Press ESC twice to return to the Status Menu. The UPS is now in Normal mode.
NOTE 1
The UPS should transfer from Bypass Mode to Normal operation after a period of one
minute automatically provided the Input signals are set correctly. See
NOTE 2
To disconnect AC input power during maintenance or service, turn the Bypass switch to
the SERVICE position.
NOTE 3
Table 4
Table 4. BPM Dimensions
Model
BPM125XX
No Break Transfer from Service Bypass to UPS Mode
11.2 Service and Support
shows the bypass switch models available for the Eaton 9PXM UPS.
Height
Width
(A)
(B)
130 mm
440 mm
21.0"
(14.0")
4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 10
and ask for a UPS technical
Figure 23
.
Depth
Weight
(C)
663 mm
17 kg
(6.8")
(38 lb)
33
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