Eaton Power Xpert 9395 - Figure 90. 825;550 UPS System - Three UPM, Separate Rectifier Feed, Separate Battery, Dual-Feed Configuration, Continuous Static Switch

Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15 139
Figure 90. 825/550 UPS System – Three UPM, Separate Rectifier Feed, Separate Battery, Dual-Feed
Configuration, Continuous Static Switch
NOTE Callout letter A maps to the Separate Rectifier Input UPM Ratings and External Wiring Requirements (Two and Three UPMs, Separate Battery) Table in Chapter 3.
C, and D map to the applicable Input/Output Ratings and External Wiring Requirements (Three UPM, Separate Battery) Table in Chapter 3.B,
NOTE
If the load requires a neutral, a bypass source neutral must be provided. DO NOT install bothasource neutral andabonding 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 1
Battery
Breaker
E4. E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 2
Battery
Breaker
E4. E5E4. E5
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
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)
E6, E7,
E8, E12
Backfeed
Contactor (K5)
Static
Switch
AC Input to Bypass
3 or 4 Wire A-B-C
Rotation
Fuse
B
E1,
E2,
E3
AC Input to UPS
Rectifiers 3 Wire
A-B-C Rotation
A
UPM 2UPM 1
E1,
E2,
E3
A
UPM 4
A
E1,
E2,
E3
Understanding UPS Operation