Understanding UPS Operation
6-26
Power Xpert
TM
9395 UPS (450–825 kVA) Installation and Operation Manual
164201725—Rev 10
www.eaton.com/powerquality
Figure 6-21. UPS System – Three UPM, Separate Rectifier Feed, Separate Battery, IOM Configuration
E1,
E2,
E3
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
AC Output to
Critical Load
E9, E10,
E11, E12
AC Input to UPS
Rectifiers 3 Wire
A-B-C Rotation
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
A
C
D
C
C
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
UPM 3
UPM 2
E1,
E2,
E3
E1,
E2,
E3
UPM 1
A
A
X-Slot
Interface
48V Battery
Shunt Trip
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
Summary of Contents for Power Xpert 9395 UPS
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