Eaton Power Xpert 9395 - Figure 99. Typical Distributed Bypass System (3+1 and 4+0 Configurations)

Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15 151
Figure 99. Typical Distributed Bypass System (3+1 and 4+0 Configurations)
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 1
A B
TIE
CABINET
(Optional)
E
AC Output t o
Critical Load
E4. E5
BATTERY SYSTEM
MOB 1
MOB 2
MOB 3
MOB 4
(Not supplied
with the UPS)
C
E9,
E10,
E11,
E12
D
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 2
A B
E4. E5
BATTERY SYSTEM
(Not supplied
with the UPS)
C
E9,
E10,
E11,
E12
D
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 3
A B
E4. E5
BATTERY SYSTEM
(Not supplied
with the UPS)
C
E9,
E10,
E11,
E12
D
Battery Breaker
Battery
Converter
Inverter
K3
Fuse
Rectifier
K1
K2
Fuse
Fuse
Fuse
E6
E7
E8
E12
K5
Static
Switch
Fuse
E1
E2
E3
CB1
(optional)
UPS 4
A B
E4. E5
BATTERY SYSTEM
(Not supplied
with the UPS)
C
E9,
E10,
E11,
E12
D
*
*******
NOTE This oneline does not show each UPM in the UPSs, but represents each UPS in the distributed bypass system.
NOTE If the load requires a neutral, a bypass source neutral must be provided. DO NOT install bothasource neutral andabonding jumper.
A – AC Input t o UPS Rectifier
B – AC Input t o Bypass
C – DC Input from Battery
D – UPS AC Output to Tie Cabinet
E – Output to Critical Load
* – Overcurrent Protection provided by customer
*
Understanding UPS Operation