Honeywell VisionPRO TH8000 Serie Guia De Instalacion página 5

Wiring
Shaded areas below apply only to TH8320/TH8321.
1H/1C Heat Pump (no auxiliary heat)
Rc Power [1]
R [R+Rc joined by jumper]
O/B Changeover valve
Y Compressor relay
G Fan relay
C 24VAC common
S1 Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
2H/1C Heat Pump (with auxiliary heat)
L Equipment monitor
E Emergency heat relay
Aux Auxiliary heat relay (Heat 2)
Rc Power [1]
R [R+Rc joined by jumper]
O/B Changeover valve
Y Compressor relay
G Fan relay
C 24VAC common
S1 Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
See [notes] below
[1] Power supply. Provide disconnect means and overload protection as required.
[3] Optional 24VAC common connection.
[5] O/B set to control as either O or B in installer setup.
[6] If L terminal is used, 24VAC common (terminal C) must be connected.
[7] Heat pump reset (powered continuously when thermostat is set to Em. Heat; system monitor
when set to Heat, Cool, or Off).
[8] Install field jumper between Aux and E terminals if there is no emergency heat relay.
Wiring guide—heat pump systems
[5]
[3]
[6, 7]
[8]
[8]
[5]
[3]
2H/2C Heat Pump (no auxiliary heat)
Y2 Compressor 2 relay
Rc Power
R [R+Rc joined by jumper]
O/B Changeover valve
Y Compressor 1 relay
G Fan relay
C 24VAC common
S1 Optional outdoor/remote sensor
S2 Optional outdoor/remote sensor
3H/2C Heat Pump (with auxiliary heat)
Y2 Compressor 2 relay
L Equipment monitor
E Emergency heat relay
Aux Auxiliary heat relay (Heat 2)
Rc Power
R [R+Rc joined by jumper]
O/B Changeover valve
Y Compressor 1 relay
G Fan relay
C 24VAC common
Optional outdoor/remote sensor
S1
S2 Optional outdoor/remote sensor

VisionPRO TH8000 Series
TM
[1]
[5]
[3]
[6, 7]
[8]
[1]
[5]
[3]
[8]