Emerson 10-30kVA, 208V installation manual Installation Drawings

Installation Drawings

Figure 41 Lineup detail—1+N Type B1 connection to NX

1 + N Cabinet Side View	1 + N Parallel Cabinet	1 + N Cabinet Interior View
(without side panel or door)	(front view without front door and panel)	(neutral and ground busbar location)

UPS Module Left Side View

(without side panel)

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 input cables between the paralleling cabinet and the UPSes must be the same size and the same length.

5.The interconnecting output cables between the paralleling cabinet and the UPSes must be the same size and the same length.

6.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.

7.Refer to the individual drawing of each piece of equipment for additional details.

Table 23 Interconnect wiring—1+N Type B1 connection to NX

Run	From	To	Conductors
A	Utility AC Source	Paralleling Cabinet	Ph A, B, C - System Input
B	Utility AC Source	Paralleling Cabinet	Ground - System Input
C	Utility AC Source	Paralleling Cabinet	Neutral -system Input
D1-D4	Paralleling Cabinet	UPS #1-UPS #4 Module AC Input	Ph A, B, C - UPS Input
E1-E4	Paralleling Cabinet	UPS #1-UPS #4 Module AC Input	Neutral - UPS Input
F1-F4	UPS #1-UPS #4 Module AC Output	Paralleling Cabinet	Ph A, B, C - UPS Output
G1-G4	UPS #1-UPS #4 Module AC Output	Paralleling Cabinet	Neutral - UPS Output
H1-H4	Paralleling Cabinet	UPS #1-UPS #4 Module AC Ground	Ground-UPS
I	Paralleling Cabinet	Load AC Connection	Ph A, B, C - Load
J	Paralleling Cabinet	Load AC Connection	Ground-load
K	Paralleling Cabinet	Load AC Connection	Neutral-Load
L1-L4	Paralleling Cabinet	UPS #1-UPS #4 Module	Output Breaker Aux Contact
		UPS Parallel Logic Board (M3)
M1-M4	Paralleling Cabinet	UPS #1-UPS #4 Module	Rotary Switch Aux Contact
		UPS Parallel Logic Board (M3)

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