Red now there can be two separate wires for this. 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.
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Yellow the yellow wire connects to your compressor.
6 wire thermostat wiring diagram. R the r terminal is the power. 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. The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat.
The thermostat is the control device that provides a simple user interface with the internal workings of your homes climate control system. 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. Thermostat wiring and wire color chart thermostat wiring colors code.
6 wire thermostat wiring diagram source. That leaves the orange blue and brown wires in a standard eight wire set free to hook up to the sixth terminal. Thermostat wire colors follow a color code.
Search for 6 wire thermostat nest here and subscribe to this site 6 wire thermostat nest read more. When it comes to thermostat wiring you will find that most models follow a set color code for ease of use. 6 wire thermostat wiring diagram source.
Find your 6 wire thermostat nest here for 6 wire thermostat nest and you can print out. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Read nest thermostat wiring diagram for gas furnace and stage 2 heat pump system collection.
The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. Color of wire and termination. 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.
When installing a six wire thermostat you ll use the red white yellow green and black wires for the basic power and heating terminals. Green the green wire connects to the fan. By the use of an adjustable set point the job of the thermostat is to turn on either the heating or cooling system to maintain the desired room temperature in the home and to turn off the system when the desired temperature is achieved.
Now most thermostat s will not have all of these termination points but the chart will help you determine color code and connection points for your particular unit. Orange this wire connects to your heat pump if you have one. White the white wire is what connects to the auxiliary heat on your system.
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