Trane XR202 - 4.5 Wiring Diagrams; Cooling with S9 V2 Furnace; Heat Cool Package with Variable Speed Blower

Installation and User Guide
6 Pub. No. 18HD51D1-1C-EN 09/2020 Part No. 37-7769005
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
Heat Cool Package with Variable Speed Blower
Thermostat
Rc
Rh
O/B
Y
G
W
C
R
G
W1
B
Y1
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 S9V2 Furnace
Indoor Unit Outdoor UnitThermostat
Rc
Rh
O/B
Y
G
W
C
R
G
W1
B
B
Y
Y1