Emerson 40-200KVA User Guide

Page of 132
Liebert
®
 BDC
44
Figure 21 Liebert
®
 BDC connection to UPS
NOTES
1. All Liebert-supplied cable must be repositioned prior to and while the cabinets are being placed in 
their final installed location.
2. All interconnection hardware supplied by Emerson
®
.
3. AC connections must be made to the UPS module before attaching Liebert BDC to UPS module.
4. All cabling will be field-supplied when a Liebert BDC is configured as a stand-alone cabinet.
5. Liebert BDCs must attach to the right side only of the Liebert NX
.
6. Refer to the individual drawing of each piece of equipment for additional details.
Table 16
Control wiring for Liebert
®
 NX
 UPS to Liebert BDC
From
To
Liebert NX UPS
Monitor Board X1-J21
Liebert BDC Terminal Strip (TB2)
J21-3 INV_S
TB1-2
J21-4 INV_C
TB2-1
NX 480 UPS Parallel Board X3
Liebert BDC Terminal Strip (TB2)
X3-1-EXT-MAINT
TB2-3
X3-2-GND2
TB2-4