Eaton 93PM - Figure 4-20. External Parallel Pull Chain Wiring

UPS System Installation
4-28 Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerquality
Figure 4-20. External Parallel Pull Chain Wiring
1
2
3
4
5
6
7
8
9
10
UPS 1
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UPS 4
(If Installed)
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UPS 2
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UPS 3
(If Installed)
External
Parallel
TB
Pull Chain
1
2
3
4
5
6
7
8
9
10
UPS 3
(If Installed)
Building
Alarm TB
AUX 1
AUX 2
Tie Cabinet
MOB 1 MOB 2 MOB 3 MOB 4
COM
COM
COM
COM
COM
COM
COM
COM
Twisted Pair
Twisted Pair
Twisted Pair
Twisted Pair
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
NC
NO
AUX 1
AUX 2
AUX 1
AUX 2
AUX 1
AUX 2
1
2
3
4
5
6
7
8
9
10
UPS 1
(If Installed)
Building
Alarm TB
1
2
3
4
5
6
7
8
9
10
UPS 2
(If Installed)
Building
Alarm TB
1
2
3
4
5
6
7
8
9
10
UPS 4
(If Installed)
Building
Alarm TB
Pull Chain
Pull Chain Pull Chain
Twisted
Pair
Twisted
Pair
Twisted
Pair
Twisted
Pair
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.