Transformer And Relay Wiring Diagram Thermostat

Diagram

Transformer And Relay Wiring Diagram Thermostat. Then look up the old thermostats wiring diagram on the internet and see if you can find out what 12 3 are controlling on your old thermostat. For thermostats that require power to operate the other leg of the 24vac supply can be run which is often blue.

Thermostat Heat And Cool 2 Transformers Thermostat Wiring Refrigeration And Air Conditioning Electrical Circuit Diagram
Thermostat Heat And Cool 2 Transformers Thermostat Wiring Refrigeration And Air Conditioning Electrical Circuit Diagram


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Furthermore this thermostat wiring diagram is specifically for a system with two transformers. They can be used as a guide when wiring the controller. A wiring diagram may include the wirings of a vehicle.

If you do not see your wiring listed we recommend using our on line compatibility checker.

For thermostats that require power to operate the other leg of the 24vac supply can be run which is often blue. We will cover everything you need to know about thermostat wiring. If you can not find out any information on your old thermostat then i really have no recommendations other than disconnecting the 3 red wires from the thermostat. Then look up the old thermostats wiring diagram on the internet and see if you can find out what 12 3 are controlling on your old thermostat.