Trane XR202 - 4.5 Wiring Diagrams; Cooling with TAM7;TAM9 (24 V Mode); Cooling with GAF2-S

Trane XR202 Programmable Thermostat
Pub. No. 18HD51D1-1C-EN 09/2020 Part No. 37-7769005 5
4.5 Wiring Diagrams
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
Cooling with TAM7/TAM9 (24V Mode)
Indoor Unit Outdoor UnitThermostat
Rc
Rh
O/B
Y
G
W
C
R
G
W1
B
B
Y0
Y
Y1
O
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
Cooling with GAF2-S
Indoor Unit Outdoor UnitThermostat
Rc
Rh
O/B
Y
G
W
C
R
G
W1
B
B
Y