Figure 20 Maintenance Bypass Control Wire Location - Emerson Liebert NX 10-30kVA Installation Manual

7. Connect the system input cables between the Maintenance Bypass Cabinet 'UPS Input' Busbars
(A-B-C N terminals) and UPS input busbars (A-B-C N terminals) and tighten the connections to
44 lb-in. (5 N-m) (M6 bolt).
8. Connect the system outnput cables between the Maintenance Bypass Cabinet 'UPS Output'
Busbars (A-B-C N terminals) and UPS output busbars (A-B-C N terminals) and tighten the
connections to 44 lb-in. (5 N-m) (M6 bolt).
9. Connect supplied control wire to X3 on the Parallel (M3) board (see Figure 20).
WARNING
!
The control wire must be installed to ensure proper operation of the system and fully protect
the load when switching between bypass cabinet and UPS.

Figure 20 Maintenance bypass control wire location

Terminal Block Location
NOTE
For startup procedure, see the UPS operations and maintenance manual, SL-25210.
T A I N M T
2 X2 P2
1 X2
P1
28
Maintenance Bypass Cabinet
:X