User`s guide

VERSION 2 TIE CABINET PARALLEL INSTALLATION
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide S 164201601 Rev B www.eaton.com/powerquality
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From UPS 4 Output
From UPS 3 Output
From UPS 2 Output
Red Wire
(open when breaker is open)
Bypass Input
Black Wire
(common)
From UPS 1 Output
225A
80A (4X)
LOAD
Blue Wire
(closed when breaker is open)
225A Breaker
Auxiliary Contacts
Figure 30. Version 2 Tie Cabinet Parallel Wiring Diagram – without Maitenance Isolation Switch (MIS)
Red Wires
(open when breaker is open)
Black Wires
(common)
Blue Wires
(closed when breaker is open)
225A Breaker
Auxiliary Contacts
Not Used
Not Used
Not Used
Bypass Input
From UPS 1 Output
225A
110A (4X)
LOAD
MIS
225A
80A (4X)
Figure 31. Version 2 Bypass Cabinet Bypass Wiring Diagram – with MIS