Trane GAF2A0A36M31EC Installer's Manual page 24

STEP 5 - Using field supplied wire nuts, make
connections per hookup diagrams.
Air Handler Hook-up Diagram
Cooling
Comfort Control
White W
Green
G
Yellow Y
Orange O
Red
R
Blue
B
Field wiring
Air Handler Hook-up Diagram
Heat Pump
Comfort Control
White W
Green
G
Yellow
Y
Orange
O
Red R
Blue
B
Field wiring
24
White
White
Green
Yellow
Red
Blue
• YI and YO connections must be made as shown
• Wire R-O connection in cooling only units
• Internally mounted condensate switch is optional and must be ordered separately
• If a 3rd party condensate overflow switch is installed, it should be wired between Y of the thermostat and YI of the EEV control.
Air Handler
White
• YI and YO connections must be made as shown
• Internally mounted condensate switch is optional and must be ordered separately
• If a 3rd party condensate overflow switch is installed, it should be wired between Y of the thermostat and YI of the EEV control.
Air Handler
Heat Pump
Yellow
Orange
Air Conditioner
Yellow
Blue
Black
Blue
Red
(X2)