UNDERSTANDING UPS OPERATION
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
S
164201725 Rev 4
www.eaton.com/powerquality
6-26
E1,
E2,
E3
E6, E7,
E8, E12
NOTE
Callout letter
A
maps to Table 3‐8 on page 3-18. Callout letters
B
,
C
, and
D
map to Table 3‐5 on page 3-15.
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
Backfeed
Contactor (K5)
AC Output to
Critical Load
E9, E10,
E11, E12
Static
Switch
AC Input to UPS
Rectifiers 3 Wire
A-B-C Rotation
AC Input to Bypass
3 or 4 Wire A-B-C
Rotation
Fuse
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
Bypass
Breaker
(CB4)
A
B
C
D
C
C
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
BATTERY SYSTEM
(Not supplied with the UPS)
UPM 3
UPM 2
E1,
E2,
E3
E1,
E2,
E3
UPM 1
A
A
X-Slot
Interface
48V Battery
Shunt Trip
Interface Board
Battery Aux
Remote EPO
Building Alarms
Alarm Relays
Figure 6‐21. UPS System – Three UPM, Separate Rectifier Feed, Separate Battery, Dual‐Feed Configuration, Momentary Static Switch
Содержание 9395 UPS
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