Trane Thermostats Installation And Operation Manual page 16

Installation
Figure 11. 3H/2C Non-Programmable Thermostat, 1H/1C, Conventional (Option 0)
Single Transformer:
Two Transformers:
Figure 12. 3H/2C Non-Programmable Thermostat, 1H/1C, Heat Pump Without Auxiliary heat
Figure 13. 3H/2C Non-Programmable Thermostat, 1H Only, Conventional Without Fan (Option 2)
16
L1 (hot)
24 Vac
L2
Cooling Transformer
L1 (hot)
24 Vac
L2
Heating Transformer
L1 (hot)
24 Vac
L2
(Option 1)
L1 (hot)
24 Vac
L2
Changeover Valve
L1 (hot)
24 Vac
L2
Compressor
Heat
Fan
Compressor
Heat
Fan
Compressor
Fan
Heat
(jumper
Rc
installed)
R
Y
C
W
G
W2
Y2
L
Rc
(jumper
R
removed)
Y
C
W
G
W2
Y2
L
(jumper
Rc
installed)
R
Y
C
O/B
G
Aux/E
Y2
L
(jumper
Rc
installed)
R
Y
C
W
G
W2
Y2
L
BAS-SVX36C-EN