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8
1.6.4 Optional Cabinets
If your NX installation includes a Maintenance Bypass Cabinet, the NX must be positioned to allow
the Maintenance Bypass Cabinet to be bolted to left side of the NX (see Figure 1). Cables from the
Maintenance Bypass Cabinet must be brought through the bottom side of the NX for connection.
The Maintenance Bypass Cabinet must be cabled and bolted to the NX before the UPS and bypass
cabinet are moved into their final position. Connect the input wiring to the Maintenance Bypass Cab-
inet ONLY after the units are connected and positioned.
Battery cabinets may be bolted to either side of the NX, unless used in configurations that include a
Maintenance Bypass Cabinet. If used with a Maintenance Bypass Cabinet, battery cabinets must be
installed on the right side of the UPS; see Figure 1 below.
Figure 1 Cabinet arrangement
NX connected only to MBC
(MBC must be on left side of the NX)
NX connected to Maintenance Bypass Cabinet and Battery Cabinets
(MBC must be on left side of the NX)
(Battery Cabinets must be on the right side of the NX in this
configuration)
Liebert
NX
Maintenance
Bypass
Cabinet
Battery
Cabinet
Battery
Cabinet
Liebert
NX
Maintenance
Bypass
Cabinet
ALL UNITS VIEWED FROM ABOVE
NX connected to Battery Cabinets
(Battery Cabinets may be on either side of the NX)
Liebert
NX
Battery
Cabinet
Battery
Cabinet