Understanding UPS Operation
Power Xpert
TM
9395 UPS (450–825 kVA) Installation and Operation Manual 164201725—Rev 10
www.eaton.com/powerquality
6-27
Figure 6-22. Plus 1 UPS System – Four UPM, Separate Rectifier Feed, Separate Battery, IOM Configuration
NOTE
Callout letter
A
maps to Table 3
‐
8 on page 3-18. Callout letters
C
and
D
map to Table 3
‐
5 on page 3-15.
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.
UPS CABINET
E9,
E10,
E11,
E12
Service Connector
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 2
Battery
Breaker
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 3
Battery
Breaker
E4, E5
Battery
Breaker
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 4
X-Slot
Interface
48V Battery
Shunt Trip
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
FI-UPM CABINET
Battery
Breaker
C
D
C
C
AC Output
to Critical
Load
C
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
E1,
E2,
E3
AC Input to UPS
Rectifiers 3 Wire
A-B-C Rotation
A
UPM 3
UPM 2
E1,
E2,
E3
E1,
E2,
E3
UPM 1
A
A
UPM 4
A
E1,
E2,
E3
E4,
E5
Summary of Contents for Power Xpert 9395 UPS
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