Figure 71. Ups System - Four Upm Common Rectifier Feed, Separate Battery, Iom Configuration - Eaton Power Xpert 9395 Installation And Operation Manual

Understanding UPS Operation
Figure 71. UPS System – Four UPM Common Rectifier Feed, Separate Battery, IOM Configuration
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 4
FI-UPM CABINET
C
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
A C
NOTE Callout letters , , and
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.
122 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201764—Rev 14
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
A
E1, E2, E3
Input Breaker
(CB1)
(optional)
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 1
E4,
E4, E5
E5
C
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
D
map to the applicable Input/Output Ratings and External Wiring Requirements (Four UPM, Separate Battery) Table in Chapter 3.
Battery Aux
48V Battery
Shunt Trip
Bypass
Breaker
Remote EPO
(CB4)
Input
Contactor
(K1)
Rectifier
Fuse
Fuse Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse Fuse
Battery Contactor (K2) Battery Contactor (K2)
UPM 2
E4, E5 E4, E5
C C
Battery
Breaker
BATTERY SYSTEM BATTERY SYSTEM
(Not supplied with the UPS) (Not supplied with the UPS)
Building Alarms
Alarm Relays
X-Slot
Interface
Interface Board
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Inverter
Output
Contactor
(K3)
AC Output
to Critical
E9,
D
E10,
Battery
E11,
Converter
E12
UPM 3
UPS CABINET
Battery
Breaker
Service Connector
Load