Figure 6‐9. Plus 1 Ups System – Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration - Eaton Power Xpert Plus 1 Installation And Operation Manual

UNDERSTANDING UPS OPERATION
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 4
FI-UPM CABINET
C
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
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.
Figure 6‐9. Plus 1 UPS System – Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration
t
6-12
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
AC Input to
UPS Rectifier
3 or 4 Wire A-B-C
3 Wire A-B-C
Rotation
A
E1, E2, E3
Single-Feed Kit
(Not supplied
Input Breaker
with the UPS)
(CB1)
(optional)
E4, E5
D
map to Table 3‐5 on page 3-10.
AC Input to
Battery Aux
Bypass
48V Battery
Rotation
Remote EPO
B
E6, E7,
E8, E12
Static
Switch
Fuse
Backfeed
Contactor (K5)
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 1
E4, E5
C
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
S
164201701 Rev 3 www.eaton.com/powerquality
Shunt Trip
Interface Board
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
Battery
Converter
Fuse
Battery Contactor (K2)
UPM 2
UPS CABINET
E4, E5
C
Battery
Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
Building Alarms
Alarm Relays
X-Slot
Interface
AC Output
to Critical
Load
E9,
D
E10,
E11,
E12
Service Connector