Wire Ac Thermostat Wiring Diagram

Ecobee3 lite Wiring Diagrams.

Wire ac thermostat wiring diagram. The common wire could be labeled C on your old thermostat or it could be labeled B or X. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolWhile an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating. My thermostat has only two wires.

If two or more wires are the same color you. Basic thermostat wiring for furnace and air conditioner. 3-wire heat-only thermostat R G W Installing your ecobee with a boiler and AC dual transformer system ecobee thermostat installation with an isolation relay.

I show where the wires go at the thermostat the color code then down at the furnace control board. So you have to read the electrical diagram This wire is common wire or ground wire. The diagram below shows how a basic 4-wire thermostat is connected as indicated by the color code chart above.

As with wiring any home thermostat the air conditioner thermostat has a series of wires which need to be connected in order to ensure that it will work correctly. They control your air conditioning system. White The white wire is what connects to the auxiliary heat on your system.

The common wire sometimes referred to as the c-wire is whats responsible for delivering constant power to your thermostat. The basic Heat AC System thermostat typically utilizes only 5 terminals. The yellow wires terminate at your compressor contactor via an air handler.

As shown in the diagram you will need to power up the thermostat and the 24V AC power is connected to the R and C terminals. O Orange wire This wire only applies to Heat Pump. Please refer to the owners manual of your old thermostat for clarification.