30
Comfort Control
Air Handler
Air Conditioner
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Yellow/Red
Field wiring
Yellow/Black
Blue
Red
Yellow
Green
White
Blue
B
B - Blue
W
G
Y1
Brown
Y2
Y1 - Yellow
Y2 - Brown
R
O
O
R
B
YI
W1
YO
Y2
BK
G
W2
W3 *
(In)
(Out)
Comfort Control
Air Handler
Heat Pump
Neatly bundle all low voltage
wires behind the service
valve cover as shown.
Yellow/Red
Field wiring
Yellow
Blue
Black
(X2)
Red
Orange
Red
Yellow
Orange
Green
White
Blue
B
B - Blue
W
X2
G
Y1
Brown
Y2
Y1 - Yellow
Y2 - Brown
R
O
O
R
B
YI
W1
YO
Y2
BK
G
W2
W3 *
R - Red
O - Orange
(In)
(Out)
W1 - White
Two Stage Cooling
Two Stage HP
•
* For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat.
•
YI and YO connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly.
•
Internally mounted condensate switch is optional and must be ordered separately.
•
If 3rd party condensate overflow switches are installed, they should be wired between Y of the thermostat and YI of the Airflow control.
•
* For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat.
•
YI and YO connections must be made as shown for freeze protection and internally mounted condensate overflow circuits to work properly.
•
Internally mounted condensate switch is optional and must be ordered separately.
•
If 3rd party condensate overflow switches are installed, they should be wired between Y of the thermostat and YI of the Airflow control.
