Figure 6‐15. Plus 1 Ups System – Separate Rectifier Feed, Separate Battery, Dual‐Feed Configuration - Eaton Power Xpert Plus 1 Installation And Operation Manual

UNDERSTANDING UPS OPERATION
A
UPM 4
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
NOTE Callout letter maps to Table 3‐6 on page 3-11. Callout letters
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 6‐15. Plus 1 UPS System – Separate Rectifier Feed, Separate Battery, Dual‐Feed Configuration
t
6-18
Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
AC Input to UPS
Rectifiers 3 Wire
A-B-C Rotation
A A
UPM 1 UPM 2
E1, E1, E1,
E2, E2,
E2,
E3 E3
E3
E4. E5
B
,
AC Input to Bypass
3 or 4 Wire A-B-C
Rotation
B
E6, E7,
E8, E12
Static
Switch
Fuse
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)
C D
, and map to Table 3‐5 on page 3-10.
S
164201701 Rev 3 www.eaton.com/powerquality
Battery Aux
48V Battery
Shunt Trip
Remote EPO
Interface Board
Backfeed
Contactor (K5)
Input
Contactor
(K1)
Rectifier
Fuse
Fuse
Fuse
Inverter
Output
Contactor
(K3)
E10,
Battery
E11,
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
E12
Service Connector