Trane GAF2A0A36S31EE Installer's Manual page 25

STEP 3 - Make connections per hookup diagrams.
Tuck the wire nut connections into the recess in the
cabinet wall.
Air Handler Hook-up Diagram
Cooling
W1 White
Comfort Control
White W
Green
G
Yellow
Y
Orange O
Red R
Blue B
Field wiring
Air Handler Hook-up Diagram
HP
W1 White
Comfort Control
White W
White
Green Green
G
Yellow
Yellow
Y
Orange
Orange O
Red
Red R
Blue
B
Field wiring
Blue
White
Green
Yellow
Red
Blue
Blue
Blue
Air Handler
B - Blue
Y - Yellow
Air Handler
R - Red
B - Blue
Y - Yellow
Air Conditioner
Blue
Heat Pump
Black
(X2)
Orange
Red
Yellow
Yellow
Blue
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