Trane Thermostats Installation And Operation Manual page 20

Installation
Figure 21. Programmable Thermostat, 1H/1C, Conventional (Option 1)
Single Transformer:
Two Transformers:
Figure 22. Programmable Thermostat, 1H/1C, Heat Pump Without Auxiliary Heat (Option 2)
20
L2
24 Vac
L1 (hot)
Cooling Transformer
L2
24 Vac
L1 (hot)
Heating Transformer
L2
24 Vac
L1 (hot)
L2
24 Vac
L1 (hot)
Fan
Compressor
Heat
Economizer/TOD
Remote Temperature Sensor
Fan
Compressor
Heat
Economizer/TOD
Remote Temperature Sensor
Fan
Compressor
Changeover Valve
Economizer/TOD
Remote Temperature Sensor
C
G
Y
W
Rc
(jumper
installed)
R
W2
Y2
A
S1
S2
C
G
Y
W
(jumper
Rc
removed)
R
W2
Y2
A
S1
S2
C
G
Y
O/B
(jumper
Rc
installed)
R
W1
Y2
A
S1
S2
BAS-SVX36C-EN