Figure 54. Ups System With Field Installed Upm - Common Rectifier Feed, Separate Battery, Dual-Feed Configuration - Eaton Power Xpert 9395 550/275 Installation And Operation Manual

Understanding UPS Operation
Figure 54. UPS System with Field Installed UPM – Common Rectifier Feed, Separate Battery, Dual-Feed
Configuration
Input Breaker
Input
Contactor
(K1)
Fuse
Fuse
Fuse
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
FI-UPM
UPM 4
A B 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.
100 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 14
AC Input to
AC Input to
Bypass
UPS Rectifier
3 or 4 Wire A-B-C
3 Wire A-B-C
Rotation
Rotation
A
E1, E2, E3
Single-Feed Kit
(Not supplied
(CB1)
with the UPS)
(optional)
Rectifier
Inverter
(Not supplied with the UPS)
D
map to the applicable Input/Output Ratings and External Wiring Requirements (480V or 400V Separate Battery) Table in Chapter 3.
Battery Aux
48V Battery
Shunt Trip
B
Remote EPO
E6, E7, E8, E12
Fuse
Static
Switch
Backfeed
Contactor (K5)
Fuse
Fuse
Battery Contactor (K2)
E4, E5 E4, E5
C
C
Battery
Breaker
BATTERY CABINET BATTERY CABINET
or BATTERY STRING or BATTERY STRING
(Not supplied with the UPS)
Interface Board
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Inverter
Output
Contactor
(K3)
E9, E10,
D
E11, E12
Battery
Converter
UPS
UPM 1 CABINET
Battery
Breaker
Service Connector
Building Alarms
Alarm Relays
X-Slot
Interface
AC Output to
Critical Load