Table 1 liebert-supplied interconnect wiring, Table 1, Liebert-supplied interconnect wiring – Emerson NXL UPS Systems User Manual
Page 32
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Installation Drawings
28
Figure 26 Battery cabinet interconnection wiring to 250-400kVA UPS
Table 1
Liebert-supplied interconnect wiring
Run
From
To
Conductors
A1
- DC+ Busbar
Battery Cabinet - DC+ Busbar
Positive Power - RH Mount/Stand Alone
B1
UPS - DC- Busbar
Battery Cabinet - DC- Busbar
Negative Power - RH Mount/Stand Alone
A2
- DC+ Busbar
Battery Cabinet - DC+ Busbar
Positive Power - Left Mount
B2
UPS - DC- Busbar
Battery Cabinet - DC- Busbar
Negative Power - Left Mount
C
UPS - Ground
Battery Cabinet - Ground
Ground *
D
UPS - External Interface
Board (EIB)
Battery Cabinet - Battery
Interface Board (BIB)
CAN Control Cables
* This is used only for detached cabinets. If the cabinets are attached, use the grounding shown in Figure 25.
B2
A2
B1
A1
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