Installation manual

Possible installations > Parallel UPS systems
34020846EN/AE - Page 10
1. Installation
Parallel UPSs with SSC (static-switch cabinet)
Parallel UPSs with SSC and SSC maintenance cabinet
UPS 1 cabinet (1)
PFC rectifier module A
Inverter module B
Battery chopper C
Batteries (2)
SSC (3)
Static-switch on AC bypass line D
UPS 1 cabinet (1)
PFC rectifier module A
Inverter module B
Battery chopper C
Batteries (2)
SSC (3)
Static-switch on AC bypass line D
SSC maintenance cabinet (4)
Normal AC
Bypass AC
Normal AC
Q5N
Q3BP
Q4S
Q1 Q5N
+
-
QF1
Q1
Q5N
1
3
1
A B
D
A B
C
C
+

QF1
+

QF1
2
2
Load
Normal AC
Bypass AC
Normal AC
Q5N
Q3BP
Q4S
Q1 Q5N
+
-
QF1
Q1
Q5N
1
3
1
A B
D
A B
C
C
+

QF1
+

QF1
2
2
QN
4
QM
Load