Emerson 10-30kVA Manuel D’Utilisation

A1-A4

Utility AC Source

UPS #1-UPS #4 Module AC Input

Ph A, B, C - UPS Input

B1-B4

Utility AC Source

UPS #1-UPS #4 Module AC Input

Neutral - UPS Input

C1-C4 

UPS #1-UPS #4 Module AC Output

Paralleling Cabinet

Ph A, B, C- UPS Output

D1-D4

 UPS #1-UPS #4 Module AC Output

Paralleling Cabinet

Neutral - UPS Output

E1-E4

Paralleling Cabinet

UPS #1-UPS #4 Module AC Ground

Ground-UPS

F

Paralleling Cabinet

Load AC Connection

Ph A, B, C - Load

G

Paralleling Cabinet

Load AC Connection

Ground-Load

H

Paralleling Cabinet

Load AC Connection

Neutral-Load 

I1-I4

Paralleling Cabinet

UPS #1-UPS #4 Module

Parallel Logic Board (M3)

Output Breaker Aux Contact

1 + N Parallel Cabinet

(front view without front door and 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 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.