For A C Thermostat Wire Diagram
Orange this wire connects to your heat pump if you have one.
For a c thermostat wire diagram. Two stage heat control wiring 7 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. The basic heat a c system thermostat typically utilizes only 5 terminals. Wire diagram for thermostat wiring diagram is a simplified adequate pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the talent and signal associates in the middle of the devices. How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning system furthermore it includes a thermostat a condenser and an air handler with a heat source.
White the white wire is what connects to the auxiliary heat on your system. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac. The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat.
Back in the olden days thermostats were simple on off devices that didn t need their own continuous power supply. 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. Always refer to your thermostat or equipment installation guides to verify proper wiring. Notes some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire.
Yellow the yellow wire connects to your compressor. Modern thermostats with wi fi and backlit display by contrast need a steady supply of juice the c wire or common wire enables the continuous flow of 24 vac power to the thermo. 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.
Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the.