Emerson 10-30kVA Manuel D’Utilisation

A

Utility AC source

Maintenance

Ph A, B, C bypass/ transformer cabinet

B

Utility AC source

Maintenance

Neutral bypass/ transformer cabinet

C

Maintenance

UPS module AC input

Neutral - UPS Input

D

Maintenance

UPS module AC input

Ph A, B, C - UPS Input

E

UPS module AC output

Maintenance

Ph A, B, C - UPS Output

F

UPS module AC output

Maintenance

Neutral - UPS Output

G

Maintenance

Load AC connection

Neutral bypass cabinet

H

Maintenance

Load AC connection

Ph A, B, C bypass cabinet

I

Utility AC source

All ground connections

Ground 

J

Monitoring terminal block

UPS Parallel Logic Board (M3)

Bypass contacts

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 Liebert.
3. AC connections must be made to the UPS module before attaching maintenance bypass/transformer 

cabinet to UPS module.

4. Utility AC source neutral not required for maintenance bypass/transformer cabinet types D, E, M, N.
5. All cabling will be field-supplied when maintenance bypass/transformer cabinet is configured as stand-

alone cabinet.

6. Maintenance bypass/transformer cabinets must attach to the left side only.
7. Refer to the individual drawing of each piece of equipment for additional details.