Installation Manual

47
Y/Y2
G
W/W1
R
C
Y/Y2
C
Furnace Heat Pump
R
O/W2/B
G
Y1/W2
Y/Y2
Rc/V+
Rh
C/Vg
W/W1
HUM*
O
** Some heat pumps may designate W1
W2**
Fan
Heat/Cool (Stage 1)
Heat/Cool (Stage 2)
24VAC Hot Cooling
24VAC Hot Heating
24VAC Common
Aux Heat (Stage 3)
Humidify
Reversing Valve
Y1 Y1
Côr 5, Côr 5C, Côr 7, or Côr 7C Thermostat
Humidifier Solenoid
Valve*
* Indicates connection may not be required/available
Fig. 31 -- Variable Speed, Multi--Stage, Stage Modulating and Single—StageFurnace with
2--Stage Heat Pump