Emerson 40-200KVA Liebert BDC connection to UPS, Control wiring for Liebert NX UPS to Liebert BDC

Liebert® BDC™

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

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