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16 Pub. No. 22-1857-03
Field
Wiring
GAT2 AIR HANDLERS WITH SINGLE SPEED HEAT PUMP
• * For multiple stages of electric heat, jumper W1, W2, and W3 together if comfort control has only one stage of heat
Air Handler Hook-up Diagram
HP
Red
Yellow
Green
White
Blue
Orange
Yellow
Green
White
Blue
B
B - Blue
R - Red
W
G
Y
Y - Yellow
R
Red
O
Orange
Comfort Control
Air Handler
Field wiring
Yellow
Blue
Black
(X2)
Red
Orange
Heat Pump
Red
Blue
Green
W2 Pink
W3 Brown
W1 White