Figure 69. Ups System - Three Upm, Common Rectifier Feed, Separate Battery, Dual-Feed Configuration - Eaton Power Xpert 9395 Installation And Operation Manual

Understanding UPS Operation
Figure 69. UPS System – Three UPM, Common Rectifier Feed, Separate Battery, Dual-Feed
Configuration, Continuous Static Switch
Input Breaker
(CB1)
(optional)
(Not supplied with the UPS)
A B
NOTE Callout letters
, ,
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.
120 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201764—Rev 14
AC Input to
AC Input to
UPS Rectifier Bypass
3 or 4 Wire A-B-C
3 Wire A-B-C
Rotation
Rotation
A B
E1, E2, E3 E6, E7,
E8, E12
Single-Feed Kit
(Not supplied
with the UPS)
Fuse
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)
C D
, and map to the applicable Input/Output Ratings and External Wiring Requirements (Three UPM, Separate Battery) Table in Chapter 3.
Battery Aux
48V Battery
Shunt Trip
Remote EPO
Static
Switch
Backfeed
Contactor (K5)
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