Figure 6‐7. Ups System – Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration - Eaton Power Xpert Plus 1 Installation And Operation Manual

UNDERSTANDING UPS OPERATION
UPS Rectifier
3 Wire A-B-C
E1, E2, E3
Input Breaker
(CB1)
(optional)
A 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 6‐7. UPS System – Common Rectifier Feed, Separate Battery, Dual‐Feed Configuration
t
6-10
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
AC Input to
AC Input to
Bypass
3 or 4 Wire A-B-C
Rotation
Rotation
B
A
E6, E7,
E8, E12
Single-Feed Kit
(Not supplied
with the UPS)
Fuse
Fuse
Fuse
Battery Contactor (K2)
E4, E5
C
BATTERY SYSTEM
(Not supplied with the UPS)
D
map to Table 3‐5 on page 3-10.
Battery Aux
48V Battery
Shunt Trip
Remote EPO
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 1 UPM 2
E4, E5
C
Battery Battery
Breaker Breaker
BATTERY SYSTEM
(Not supplied with the UPS)
S
164201701 Rev 3 www.eaton.com/powerquality
Building Alarms
Alarm Relays
Interface Board
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Inverter
Output
Contactor
(K3)
E9, E10,
D
E11, E12
UPS
CABINET
X-Slot
Interface
AC Output to
Critical Load
Service Connector