Trane GAM5B0A18M11EB Installation, Operation And Maintenance Manual page 31

STEP 6 - Using field supplied wire nuts, make
connections per hookup diagrams.
Air Handler Hook-up Diagram
1 Stage Cooling
W1 White
Comfort Control
White W
Green
G
Yellow
Y
Orange O
Red
R
Blue
B
Field wiring
Air Handler Hook-up Diagram
1 Stage HP
W1 White
Comfort Control
White W
White
Green G Green
Yellow
Yellow Y
Orange
Orange
O
Red
Red R
Blue
Blue
B
Field wiring
W2 Pink
W3 Brown
White
Green
Yellow
Red
Blue
• * For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat.
Air Handler
W2 Pink
W3 Brown
Air Handler
B - Blue
Y - Yellow
Orange
R - Red
B - Blue
Y - Yellow
• * For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has
only one stage of heat
Air Conditioner
Blue
Heat Pump
Black
(X2)
Red
Yellow
Yellow
Blue
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