Figure 60. Typical Distributed Bypass System (1+1 And 2+0 Configurations) - Eaton Power Xpert 9395 550/275 Installation And Operation Manual

Figure 60. Typical Distributed Bypass System (1+1 and 2+0 Configurations)

A
– AC Input to UPS Rectifier
B
– AC Input to Bypass
C
– DC Input from Battery
D
– UPS AC Output to Tie Cabinet
E
– Output to Critical Load
*
– Overcurrent Protection provided by customer
NOTE This oneline does not show each UPM in the UPSs, but represents each UPS in the distributed bypass system. The internal
structure of each UPS is shown in the Single UPS System Oneline Configurations Section 6.3.
NOTE If the load requires a neutral, a bypass source neutral must be provided. DO NOT install both a source neutral and a bonding jumper.
A B
* *
E1
UPS 2
E2
Fuse
E3
CB1
(optional)
K1
Rectifier
Static
Switch
Fuse
K5
Fuse
Fuse
Inverter
K3
Battery
Converter
C
E4. E5
Battery Breaker
E9,
BATTERY SYSTEM
E10,
E11,
(Not supplied
E12
with the UPS)
D
Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
Understanding UPS Operation
A B
*
*
E6 E1 E6
UPS 1
E7 E2 E7
Fuse
E8 E3 E8
E12 E12
CB1
(optional)
K1
Rectifier
Static
Switch
Fuse
K5
Fuse
Fuse
Inverter
K3
Battery
Converter
Fuse Fuse
K2 K2
C
E4. E5
Battery Breaker
E9,
BATTERY SYSTEM
E10,
E11,
(Not supplied
E12
with the UPS)
D
TIE
CABINET
(Optional)
MOB 1
MOB 2
E
AC Output to
Critical Load
109