Eaton 9PXM, User Manual, Page: 46 / 130

32 4–20kVA Users Guide P-164000669 4–20kVA Users Guide P-164000669—Rev 09
Figure 27. Bypass From UPS to LINE
Depress and HOLD
red button
Rotate switch
to LINE position
LINE
MODE
UTILITY LOAD
BPM
UPS
FROM
UPS
TO
UPS
INPUT OUTPUT
INPUT OUTPUT
2. Turn the switch from LINE to SERVICE (see Figure 28 ). The critical load is fed directly from utility and the
UPS is now completely disconnected from AC power. Ensure that the UPS is off and the terminals are
completely de-energized before performing any maintenance on the UPS.
Figure 28. Bypass From LINE to SERVICE
Rotate switch
to SERVICE position
SERVICE
MODE
UTILITY LOAD
BPM
UPS
FROM
UPS
TO
UPS
INPUT OUTPUT
INPUT OUTPUT
33..88 LLoocckk--oouutt//TTaagg--oouutt
The BPM comes with a Lock-out/Tag-out (LOTO) feature to keep the BPM bypass switch locked in SERVICE
mode while qualified service personnel works on the UPS. To use the LOTO feature:
1. Press and hold the red bar (See Figure 29 ).
Lock-out/Tag-out