Figure 87. Ups System - Three Upm, Separate Rectifier Feed, Separate Battery, Dual-Feed Configuration - Eaton Power Xpert 9395 Installation And Operation Manual

Understanding UPS Operation
Figure 87. UPS System – Three UPM, Separate Rectifier Feed, Separate Battery, Dual-Feed
Configuration, Continuous Static Switch
A
NOTE Callout letter maps to the Separate Rectifier Input UPM Ratings and External Wiring Requirements (Two and Three UPMs, Separate Battery) Table in Chapter 3.
C D
and map to the applicable Input/Output Ratings and External Wiring Requirements (Three UPM, Separate Battery) Table in Chapter 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.
136 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
AC Input to UPS AC Input to Bypass
Rectifiers 3 Wire 3 or 4 Wire A-B-C
A-B-C Rotation Rotation
A A A
UPM 1 UPM 2 UPM 3
E1, E1, E1,
E2, E2, E2,
E3 E3 E3
Input
Contactor
(K1)
Rectifier
Fuse
Fuse Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse Fuse
Battery Contactor (K2) Battery Contactor (K2)
UPM 1
E4, E5 E4, E5
C C
Battery
Breaker
BATTERY SYSTEM BATTERY SYSTEM
(Not supplied with the UPS) (Not supplied with the UPS)
Battery Aux
48V Battery
Shunt Trip
B Remote EPO
E6, E7,
E8, E12
Backfeed
Contactor (K5)
Static
Switch
Fuse
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery Battery
Converter Converter
Fuse
Battery Contactor (K2)
UPM 2 UPM 3
E4, E5
C
Battery Battery
Breaker Breaker
BATTERY SYSTEM
(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 Load
E9, E10,
D
E11, E12
UPS
CABINET
Service Connector