Eaton 93PM Installation And Operation Manual page 73

Pull Chain
Remote EPO
Interface Board
Figure 5-6. UPS System Oneline
Eaton 93PM UPS (60–100 kW, 480V) Installation and Operation Manual P-164000227—Rev 2
Parallel CAN
Mini-Slot
Interface
Fuse
Rectifier
Switchgear
Rectifier
Inverter
Inverter
Switchgear
Fuse
Battery
Converter
Battery
Switchgear
Fuse
UPM 1
C
E4, E5
Battery
Breaker
EXTERNAL BATTERY
(Not supplied with the UPS)
AC Input to
UPS Rectifier
3 Wire A-B-C
Rotation
A
E1, E2, E6, E7,
E3 E8
Optional
Single-Feed Jumper
Fuse
Rectifier
Switchgear
Bypass
Rectifier
Switchgear
Static
Switch
Inverter
Inverter
Switchgear
Fuse
Battery
Converter
Battery
Switchgear
Fuse
UPM 2
UPS CABINET
CABINET
NOTE Callout letters A, B, C, and D map to Table 3-4.
Understanding UPS Operation
AC Input to
Bypass 3 Wire
A-B-C Rotation
B
Fuse
AC Output to
Critical Load
D
E9, E10,
E11
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