Understanding UPS Operation
Power Xpert
TM
9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716—Rev 8
www.eaton.com/powerquality
6-9
Figure 6-6. UPS System with Field Installed UPM – Common Rectifier Feed, Separate Battery, Dual-Feed Configuration
map to Table 3
‐
4 or Table 3
‐
5.
NOTE
Callout letters
A
,
B
,
C
, and
D
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.
Battery
Breaker
BATTERY CABINET or BATTERY STRING
(Not supplied with the UPS)
C
Input Breaker
(CB1)
(optional)
X-Slot
Interface
E1, E2, E3
E6, E7, E8, E12
48V Battery
Shunt Trip
UPS
CABINET
Backfeed
Contactor (K5)
AC Output to
Critical Load
E9, E10,
E11, E12
Static
Switch
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
AC Input to
Bypass
3 or 4 Wire A-B-C
Rotation
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
Fuse
Service Connector
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 4
E4, E5
Battery
Converter
Inverter
Output
Contactor
(K3)
Fuse
Rectifier
Input
Contactor
(K1)
Battery Contactor (K2)
Fuse
Fuse
Fuse
UPM 1
Single-Feed Kit
(Not supplied
with the UPS)
FI-UPM
A
B
D
Summary of Contents for Power Xpert 9395 550/275
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