Figure 4-23. External Parallel Pull Chain Wiring - Eaton 93PM UPS Installation And Operation Manual

Building
Alarm TB
1
BA 5
2
3
BA 4
4
5
BA 3
6
Twisted Pair
7
BA 2
8
9
BA 1
10
UPS 1
(If Installed)
MOB 1
NC
AUX 1
NO
NC
AUX 2
NO
External
Parallel
TB
1
2
3
Twisted
Pair
4
5
6
7
8
9
10
UPS 1
NOTE 1 External parallel pull chain connections between the UPS and MOB Aux contacts require twisted pair wire.
NOTE 2 NC and NO designations on MOB AUX contacts are defined with breaker in OFF (open) position.
NOTE 3 Always confirm contact operation prior to wiring.
NOTE 4 Any pair of unused building alarm terminals may be used for the MOB Aux 1 connections.

Figure 4-23. External Parallel Pull Chain Wiring

Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
Building
Alarm TB
1
BA 5
2
3
BA 4
4
5
BA 3
6
Twisted Pair
7
BA 2
8
9
BA 1
10
UPS 2
(If Installed)
MOB 2
NC
COM
AUX 1
NO
NC
COM
AUX 2
NO
External
Parallel
TB
1
Pull Chain
2
3
4
5
6
7
8
9
10
UPS 2
Building
Alarm TB
1
BA 5
2
3
BA 4
4
5
BA 3
6
Twisted Pair
7
BA 2
8
9
BA 1
10
UPS 3
(If Installed)
MOB 3
COM
AUX 1
Tie Cabinet
COM
AUX 2
External
Parallel
TB
1
Pull Chain
2
3
Twisted
Pair
4
5
6
7
8
9
10
UPS 3
(If Installed)
UPS System Installation
Building
Alarm TB
1
BA 5
2
3
BA 4
4
5
BA 3
6
7
BA 2
8
9
BA 1
10
UPS 4
(If Installed)
MOB 4
NC
COM
AUX 1
NO
NC
COM
AUX 2
NO
External
Parallel
TB
1
Pull Chain
2
3
Twisted
Pair
4
5
6
7
8
9
10
UPS 4
(If Installed)
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Twisted Pair
NC
COM
NO
NC
COM
NO
Pull Chain
Twisted
Pair
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