UNDERSTANDING UPS OPERATION
EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com
6−18
E1,
E2,
E3
NOTE Callout letter A maps to Table 3-6 on page 3−11. Callout letters B, C, and D map to Table 3-5 on page 3−10.
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.
UPS
CABINET
AC Output to
Critical Load
E9, E10,
E11, E12
AC Input to UPS
Rectifiers 3 Wire
A−B−C Rotation
Service Connector
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 2
Battery
Breaker
E4. E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 3
Battery
Breaker
E4. E5
Battery
Breaker
E4. E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
A
C
D
CC
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
UPM 1UPM 2
E1,
E2,
E3
E1,
E2,
E3
UPM 3
AA X−Slot
Interface
48V Battery
Shunt Trip
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays

Figure 6-15. UPS System – Separate Rectifier Feed, Separate Battery, IOM Configuration