Figure 38 Lineup Detail-1+N Type A Connection To Nx; Table 20 Interconnect Wiring-1+N Type A Connection To Nx - Emerson Liebert NX 10-30kVA Installation Manual

Figure 38 Lineup detail—1+N Type A connection to NX
1. All Liebert-supplied cable must be repositioned prior to and while setting the cabinets in their installed
location.
2. All interconnection cables and hardware supplied by others.
3. AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules
4. The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size
and the same length.
5. The location of the system output neutral busbar (connection K) and the ground busbar (connections H, I
and J) are shown for a left-access style. For right-access version, these busbars are at opposite locations
6. Refer to the individual drawing of each piece of equipment for additional details.
Table 20 Interconnect wiring—1+N Type A connection to NX
RUN
A1-A4
B1-B4
C1-C4 UPS #1-UPS #4 Module AC Output
D1-D4 UPS #1-UPS #4 Module AC Output
E1-E4
F
G
H
I1-I4
FROM
Utility AC Source
Utility AC Source
Paralleling Cabinet
Paralleling Cabinet
Paralleling Cabinet
Paralleling Cabinet
Paralleling Cabinet
1 + N Parallel Cabinet
(front view without front door and panel)
TO
UPS #1-UPS #4 Module AC Input
UPS #1-UPS #4 Module AC Input
Paralleling Cabinet
Paralleling Cabinet
UPS #1-UPS #4 Module AC Ground
Load AC Connection
Load AC Connection
Load AC Connection
UPS #1-UPS #4 Module
Parallel Logic Board (M3)
51
Installation Drawings
CONDUCTORS
Ph A, B, C - UPS Input
Neutral - UPS Input
Ph A, B, C- UPS Output
Neutral - UPS Output
Ground-UPS
Ph A, B, C - Load
Ground-Load
Neutral-Load
Output Breaker Aux Contact