Wiring Diagrams; Heat Pump With S9V2 Furnace - Trane XR103 Installation And User Manual

4.4

Wiring Diagrams

Heat Pump with TAM Series 24V
Thermostat
R
O/B
Y
G
E
C
L
W2

Heat Pump with S9V2 Furnace

Thermostat
R
O/B
Y
G
E
C
L
W2
Pub. No. 18HD55D1-1C-EN
Indoor Unit
R
O
Y1
G
W1
B
Y0
Y2
W2
W2
W3 W2
W2
BK
Indoor Unit
R
O
Y1
G
W1
B
Y2
W2
W2
W2 W3
W2
BK
09/2020
Part No. 37-7790003
Trane XR103 Non-Programmable Thermostat
Outdoor Unit
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
Outdoor Unit
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
R
O
X2
B
Y/Y1
R
O
Y/Y1
X2
B
5