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Installation Drawings
130
Figure 138One-line diagram—Liebert FS systems with factory-integrated circuit breakers with Liebert UPS
module
Bi-Directional
Power Converter
NOTES
1. Npower: 2-8 units in parallel without requiring a DC
disconnect switch.
2. Series 610/600 2-3 units in parallel without requiring a DC
disconnect switch. It can power a total of three UVRs
maximum in any combination of FS units, plus module
battery disconnect switches.
Liebert FS
Systems
in Parallel
3
Out
Liebert UPS Module
When parallel, all DC power cables
must be identical in length, ± 10%
1
Liebert FS (N)
InverterRectifier
DC Junction Box
Battery/Usage
(optional)
12-100120-17
Rev. 01
3
In
FLYWHEEL
Normally
Open
Circuit Breaker
1
Bi-Directional
Power Converter
Liebert FS (3)
FLYWHEEL
Normally
Open
Circuit Breaker
1
Bi-Directional
Power Converter
Liebert FS (2)
FLYWHEEL
Normally
Open
Circuit Breaker
1
Bi-Directional
Power Converter
Liebert FS (1)
FLYWHEEL
Normally
Open
Circuit Breaker
1