Vertiv
| Liebert
®
EXM
™
Battery Cabinet User Manual |
15
2.2.3 Attached/Detached System
For battery cabinets that are connecting to a Liebert EXM UPS, (see
Figure 1
), cables will run
from the positive, negative and neutral busbars of the adjacent battery cabinet to the positive,
negative and neutral DC connections of the UPS.
For attached systems (the cabinets bolt to each other) 10-120kVA Liebert EXM UPS models, 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 13
for current ratings and recommended cable sizes.
2.2.4 Grounding
The ground cables and hardware will be supplied for cabinets ordered as connected or attached.
The customer must supply the cables and hardware for detached and stand-alone cabinets. Size
grounding conductor according to local codes. See terminal detail drawings for the location of the
ground busbar.
2.3
Control Connection
Each Liebert EXM Battery Cabinet contains a Battery Interface Board (BIB). See
2.7 - Control
Wiring
. See
Figure 9
and
Table 1
for control wiring between the Liebert EXM Battery Cabinet and
the Liebert EXM UPS. See
Figures 4
through
7
for battery cabinet terminal details
NOTE
Care must be taken to route the control cables away from high voltage cables or busbars.
