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Wiring
Power supply. Provide disconnect means and overload protection as required.
Set the O/B jumper according to the type of reversing valve (see page 4).
Use a piece of wire (not supplied) to connect W and Y terminals to each other.
Optional 24 VAC common connection. If this connection is not made, use batteries
to power the thermostat.
This connection is not required for systems that provide heating only.
This connection is not required for systems that provide cooling only.
This connection is not required for systems that do not have an air recirculating fan.
Gas, oil or electric heating (1H)
Heat
Gas, oil or electric heating and/or air conditioning (1H / 1C / 1H1C)
Compressor
Fan
Heat
Heat pump without auxiliary heating (1H1C)
Compressor
Fan
Reversing valve
Heat pump with auxiliary heating (2H1C)
Compressor
Fan
Reversing valve
Auxiliary Heat
3
PRO 1000 / 2000 Series
Use
TH1100D
Use
TH1110D
or
TH2110D
Use
TH1110D
or
TH2110D
Use
TH1210D
or
TH2210D
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