Installation Manual

53
Y/Y2
G
W/W1
R
C C
Furnace Air Conditioner
R*
O/W2/B
G
Y1/W2
Y/Y2
Rc/V+
Rh
C/Vg
W/W1
HUM*
* Indicates Connection may not be required/available.
Fan
N/A
Cool Stage 1
24VAC Hot Cooling
24VAC Hot Heating
24VAC Common
Heat Stage 1
Humidify
Heat Stage 2
Y1
Y
W2
Côr 5, Côr 5C, Côr 7, or Côr 7C Thermostat
Humidifier Solenoid
Valve*
Fig. 37 -- Variable Speed, Multi--Stage, Step Modulating and Single--Stage
Furnace with Single--Stage Air Conditioner