6 Wire Thermostat Wiring Diagram

White the white wire is what connects to the auxiliary heat on your system.

6 wire thermostat wiring diagram. Orange this wire connects to your heat pump if you have one. Installing your ecobee thermostat with a c wire. For programmable thermostats and smart thermostats c wires are essential for setting a schedule or having your heat or air conditioner turn on at a desired temperature while some units can run without a c wire even brands like nest recommend having one for optimal. Green the green wire connects to the fan.

Thermostat wire colors follow a color code. The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat. Yellow the yellow wire connects to your compressor. Usually the red wire is connected to the r terminal the white wire is connected to the w terminal the green wire is connected to the g terminal the yellow wire is connected to the y terminal the black wire is connected to the c terminal and the brown wire is connected to.

3 wire heat only thermostat r g w installing your ecobee with a boiler and ac dual transformer system. Ecobee3 lite wiring diagrams. At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 2 wire application controlling a gas fired heating appliance. R the r terminal is the power.

Heat only 2 wire boiler furnace installations for ecobee thermostats. That leaves the orange blue and brown wires in a standard eight wire set free to hook up to the sixth terminal. When it comes to thermostat wiring you will find that most models follow a set color code for ease of use. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams.

It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. Color of wire and termination. When installing a six wire thermostat you ll use the red white yellow green and black wires for the basic power and heating terminals. In the honeywell t87f thermostat series the single pole double throw switch makes closes one set of contacts when the temperature falls to turn on the heating appliance.

Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and cool while 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. Smartthermostat with voice control and ecobee4 wiring diagrams. Search for 6 wire thermostat nest here and subscribe to this site 6 wire thermostat nest read more.