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Vertiv™ Liebert EXS 80kVA UPS User Manual
6 Parallel System and LBS System
Figure 6-4 LBS system (UPS module)
LBS
Rectifier
Bypass
Q1
Q2 Q3
To load
STS
Q5
Q5
Rectifier
Bypass
Q1
Q2 Q3
Note: Q1, Q2 and Q5 are optional while Q3 is standard
Figure 6-5 LBS system (parallel system)
Figure 1-2 LBS system (UPS module)
LBS
Rectifier
Bypass
Q1
Q2 Q3
UPS 1
UPS 4
Q5
Q1
Q2 Q3
Q5
cable
To load
STS
Rectifier
Parallel
Rectifier
Bypass
Q1
Q2 Q3
UPS 1
UPS 4
Q5
Q1
Q2 Q3
Q5
cable
Rectifier
Parallel
Note: Q1, Q2 and Q5 are optional while Q3 is standard
NOTE: In a dual-bus system, the two UPS systems must have the same power rating, voltage and
frequency, and the load should not exceed the power rating of a UPS module system.
Summary of Contents for Liebert EXS 80kVA UPS
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