Figure 6-7. Three Upm Ups System, Dual-Feed, Common Battery System - Eaton Powerware 9395 UPS 10001100 kVA Installation And Operation Manual

E1, E2, E3
Input Breaker
(CB1)
(optional)
Fuse
A B C
NOTE Callout letters , , , and
NOTE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor
connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.
EATON Powerware
AC Input to
AC Input to
Bypass
UPS Rectifier
3 or 4 Wire A−B−C
3 Wire A−B−C
Rotation
Rotation
B
A
E6, E7,
E8, E12
Fuse
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse Fuse
Battery Contactor (K2) Battery Contactor (K2)
UPM 1
E4. E5
C
BATTERY SYSTEM
(Not supplied with the UPS)
D
map to Table 3-4 on page 3−9.

Figure 6-7. Three UPM UPS System, Dual-Feed, Common Battery System

®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
Battery Aux
48V Battery
Shunt Trip
Bypass
Breaker
Remote EPO
(CB4)
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
Battery
Breaker
S 164201764 Rev 1 www.powerware.com
UNDERSTANDING UPS OPERATION
Building Alarms
Interface Board
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Inverter
Output
Contactor
(K3)
E9, E10,
D
E11, E12
UPS
CABINET
Service Connector
Alarm Relays
X−Slot
Interface
AC Output to
Critical Load
6−9