Trane XR102 Non-Programmable Thermostat
Pub. No. 18HD54D1-1B-EN
09/2020
Part No.
37-7770002
5
4.3 Wiring Diagrams
NOTES:
1) Wire third party condensate overflow
switches between Y of the thermostat
and Y1 of the airflow control board
2) X2 is required to energize aux heat
during defrost
Cooling with TAM7/TAM9 (24V Mode)
Indoor Unit
Outdoor Unit
Thermostat
Rc
Rh
O
Y
G
W
R
G
W1
B
B
Y0
Y
Y1
O
B
NOTES:
1) Wire third party condensate overflow
switches between Y of the thermostat
and Y1 of the airflow control board
2) X2 is required to energize aux heat
during defrost
Cooling with GAF2-S
Indoor Unit
Outdoor Unit
Thermostat
Rc
Rh
Y
G
W
R
G
W1
B
B
Y
O
B
4.4 Wiring Diagrams
