Honeywell TH7000 Serie Guia De Instalacion página 4

Installation Guide
Wiring
Shaded areas below apply only to TH7220.
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 [3]
S1
Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
Heat Only System
Rc Power [1]
R
[R+Rc joined by jumper]
W Heat relay
C
24VAC common [3]
S1
Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
Heat Only System (Series 20)
Rc [R+Rc joined by jumper]
R
Series 20 valve terminal "R"
W Series 20 valve terminal "B"
Y Series 20 valve terminal "W"
C
24VAC common [3]
S1 Optional outdoor/remote sensor
S2
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 [3]
S1 Optional outdoor/remote sensor
S2
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] Optional 24VAC common connection.
[4] Common connection must come from cooling transformer.
69-2668ES—03
Wiring guide—conventional systems
[1]
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, 4]
S1
Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
Heat Only System With Fan
Rc Power
R
[R+Rc joined by jumper]
W Heat relay
G
Fan relay
C
24VAC common [3]
S1 Optional outdoor/remote sensor
S2
Optional outdoor/remote sensor
Cool Only System
Rc
Power
R [R+Rc joined by jumper]
Y Compressor contactor
G
Fan relay
C 24VAC common [3]
S1
Optional outdoor/remote sensor
S2
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, 4]
S1
Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
4
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