6 Wire Thermostat Wiring Diagram

When installing a six wire thermostat you ll use the red white yellow green and black wires for the basic power and heating terminals.

6 wire thermostat wiring diagram. Thermostat wiring and wire color chart thermostat wiring colors code. 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. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Smartthermostat with voice control and ecobee4 wiring diagrams.

Color of wire and termination. 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. Green the green wire connects to the fan. At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 2 wire application controlling a gas fired heating appliance.

When it comes to thermostat wiring you will find that most models follow a set color code for ease of use. Red now there can be two separate wires for this. Thermostat wire colors follow a color code. Find your 6 wire thermostat nest here for 6 wire thermostat nest and you can print out.

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. White the white wire is what connects to the auxiliary heat on your system. 3 wire heat only thermostat r g w installing your ecobee with a boiler and ac dual transformer system. 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.

R the r terminal is the power. Search for 6 wire thermostat nest here and subscribe to this site 6 wire thermostat nest read more. The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat. That leaves the orange blue and brown wires in a standard eight wire set free to hook up to the sixth terminal.

Ecobee3 lite wiring diagrams. 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 only 2 wire boiler furnace installations for ecobee thermostats.