RedLINK
TM
Installation Guide (EIM)
69-2091EFS—07 16
System-specific wiring guides
Conventional systems
See [
notes
] on next page.
1H/1C System
(1 transformer)
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
W
Heat relay
Y
Compressor contactor
G
Fan relay
Heat-only System
[
3
]
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
W
Heat relay
Heat-only System
(Series 20)
[
3
]
C
24VAC common
R
Series 20 valve terminal "R" [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
W
Series 20 valve terminal "B"
Y
Series 20 valve terminal “W”
Heat-only System
(normally open zone valve)
[
3
]
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
Y
Normally open zone valve
Heat Only System With Fan
[
4
]
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
W
Heat relay
G
Fan relay
Cool Only System
[
5
]
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
Y
Compressor contactor
G
Fan relay
1H/1C System (2 transformers)
C
24VAC common
R
Power [
1
]
Rc
Power (cooling) [
1
,
2
]
Rh
Power (heating) [
1
,
2
]
W
Heat relay
Y
Compressor contactor
G
Fan relay
2H/2C System
(1 transformer)
[
6
]
C
24VAC common
R
Power [
1
]
Rc
[R+Rc+Rh joined by jumper]
Rh
[R+Rc+Rh joined by jumper]
W
Heat relay (stage 1)
W2
Heat relay (stage 2)
Y
Compressor contactor (stage 1)
Y2
Compressor contactor (stage 2)
G
Fan relay
2H/2C System
(2 transformers)
[
6
]
C
24VAC common
R
Power [
1
]
Rc
Power (cooling) [
1
,
2
]
Rh
Power (heating) [
1
,
2
]
W
Heat relay (stage 1)
W2
Heat relay (stage 2)
Y
Compressor contactor (stage 1)
Y2
Compressor contactor (stage 2)
G
Fan relay
