Liebert UPS Module

 

Rectifier

 

Inverter

3

 

Out

3

 

 

 

 

 

In

 

 

 

Battery/Usage

Module Battery

 

Disconnect

 

 

(optional)

2

DC Junction Box

 

 

 

2

2

2

2

Figure 141Two-eight paralleled Liebert FS units Liebert UPS

133

Circuit Breaker

Normally

Open

Circuit Breaker

Normally

Open

Bi-Directional

Power Converter

Circuit Breaker

Normally

Open

Bi-Directional

Power Converter

Circuit Breaker

Normally

Open

Bi-Directional

Power Converter

Liebert FS

Systems

in Parallel

Bi-Directional

Power Converter

with factory-integrated circuit

FLYWHEELFLYWHEELFLYWHEELFLYWHEEL

Liebert FS (1)

Liebert FS (2)

Liebert FS (3)

Liebert FS (N)

breaker in

DISCONTINUED PRODUCT

1When parallel, all DC power cables must be identical in length, ± 10%.

Series 610/600 requires the use of MBD

2for more than three units in parallel.

NOTES

1.Series 610/600 requires the use of MBD for more than three units in parallel. It can power a total of three UVRs maximum in any combination of FS units, plus module battery disconnect switches.

12-100120-20 Rev. 01

parallel with a

Installation Drawings

Page 145
Image 145
Emerson 540VDC manual Parallel with a, With factory-integrated circuit