Honeywell VisionPRO 8000 Smart Installation Manual page 5

Wiring
1H/1C System (1 transformer)
Rc
Power [1]
R
[R+Rc joined by jumper]
W
Heat relay
Y
Compressor contactor
G
Fan relay
C
24VAC common
S1
Optional outdoor/remote sensor
Heat Only System
Rc Power [1]
R [R+Rc joined by jumper]
W Heat relay
C 24VAC common
S1 Optional outdoor/remote sensor
Heat Only System (Series 20)
Rc
[R+Rc joined by jumper]
R
Series 20 valve terminal "R" [1]
W
Series 20 valve terminal "B"
Y
Series 20 valve terminal "W"
C 24VAC common
S1 Optional outdoor/remote sensor
2H/2C System (1 transformer)
Y2 Cool relay 2
W2 Heat relay 2
Rc Power [1]
R [R+Rc joined by jumper]
W Heat relay 1
Y Cool relay 1
G Fan relay
C
24VAC common
S1
Optional outdoor/remote sensor
See [notes] below
[1] Power supply. Provide disconnect means and overload protection as required.
[2] Remove jumper for 2-transformer systems.
[3] Common connection must come from cooling transformer if a 2 transformer installation.
Wiring guide—conventional systems
1H/1C System (2 transformers)
Rc
Power (cooling transformer) [1, 2]
R
Power (heating transformer) [1, 2]
W
Heat relay
Y
Compressor contactor
G
Fan relay
C
24VAC common [3]
S1
Optional outdoor/remote sensor
Heat Only System With Fan
Rc Power [1]
R [R+Rc joined by jumper]
W Heat relay
G Fan relay
C 24VAC common
S1 Optional outdoor/remote sensor
Cool Only System
Rc
Power [1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
G Fan relay
C 24VAC common
S1 Optional outdoor/remote sensor
2H/2C System (2 transformers)
Y2 Cool relay 2
W2 Heat relay 2
Rc Power (cooling transformer) [1, 2]
R Power (heating transformer) [1, 2]
W Heat relay 1
Y Cool relay 1
G
Fan relay
C
24VAC common [3]
S1
Optional outdoor/remote sensor
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