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Battery Installation
9Liebert
®
NX
™
For attached systems (the cabinets bolt to each other) the cables can run internal to the cabinets
and will be supplied.
For detached systems (the cabinets do not bolt to each other), the cables must be run outside the
cabinets. The customer must supply all the interconnecting cables and hardware. See Table 8 for
current ratings and recommended cable sizes.
2.4.4 Grounding
For cabinets that have been ordered as connected or attached, the ground cables and hardware will be
supplied. See Figure 18 for location of cabinet-to-cabinet grounding.
For cabinets ordered as detached or stand-alone, customer must supply the cables and hardware. See
Table 8 for current ratings and recommended cable sizes. See terminal detail drawings for location of
ground busbar.
2.5 Control Connection
Each Liebert NX Battery Cabinet contains a Battery Interface Board (BIB). See 3.0 - Installation
Drawings. All cabinets in a system must have their Battery Interface boards connected in series. See
Figure 9 for battery cabinet details
Figure 5 Control cable layout—Liebert NX UPS to Liebert NX Battery Cabinet
The CAN cables must be two, twisted pair, shielded 18AWG (Belden 9156 or equivalent). All
interconnecting cables and hardware for connected and attached cabinets will be provided.
NOTICE
Risk of improper installation. Can cause equipment damage.
During system commissioning, Emerson
®
Network Power Liebert Services will set the
jumpers on the EIB and the BIB. If another battery cabinet is added to the system after
commissioning, it is imperative that Liebert Services reset the jumpers on the EIB board and
the BIB board.
NOTE
Care must be taken to route the control cables away from high voltage cables or busbars.
Liebert
NX
Battery
Cabinet
Liebert
NX
UPS
Additional
Liebert
NX
Battery
Cabinet
Ext. Interface
Board (EIB)
TB3
Bat. Interface
Board (BIB)
TB1154
Bat. Interface
Board (BIB)
TB1154
CAN Cable CAN Cable