Wiring Diagrams; 1-Heat/1-Cool Thermostat - Trane Thermostats Installation And Operation Manual

Installation

Wiring Diagrams

The following diagrams show all of the common wiring scenarios you are likely to encounter.

1-Heat/1-Cool Thermostat

Use
Table 3.
System Type
1-heat/1-cool, conventional
1-heat/1-cool, heat pump without auxiliary heat
1-heat only, conventional without fan
1-heat only, conventional with fan
1-cool, conventional
Figure 6. 1H/1C Thermostat, 1H/1C Conventional (option 0)
Single Transformer:
Two Transformers:
Figure 7.
14
Table 3 and the diagrams that follow to correctly wire the thermostat for your system type.
System Type Options for 1H/1C Non-Programmable Thermostats
L1 (hot)
24 Vac
L2
Cooling Transformer
L1 (hot)
24 Vac
L2
Heating Transformer
L1 (hot)
24 Vac
L2
1H/1C Thermostat, 1H/1C Heat Pump Without Auxiliary Heat (Option 1)
L1 (hot)
24 Vac
L2
Compressor
Heat
Fan
Compressor
Heat
Fan
Compressor
Changeover Valve
Fan
Value for Option 01
0
1
2
3
4
(jumper
Rc
installed)
R
Y
C
W
G
Rc
(jumper
R
removed)
Y
C
W
G
(jumper
Rc
installed)
R
Y
C
O/B
G
See Diagram
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
BAS-SVX36C-EN