Trane XR102 Installation And User Manual page 8

Installation and User Guide
Cooling with GAT2, GAM2 & TEM3, 4
Thermostat
Rc
Rh
O
B
Y
G
W
8
Indoor Unit
R
G
W1
B
NOTES:
1) Wire third party condensate over ow
switches between Y of the thermostat
and Y1 of the air ow control board
2) X2 is required to energize aux heat
during defrost
Pub. No. 18HD54D1-1B-EN 09/2020
Outdoor Unit
Y/Y1
B
Part No.
37-7770002