Ac Thermostat Wiring Diagram Residential

The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat. March 27 2019 by larry a. It shows the components of the circuit as simplified shapes and the power and signal connections between the devices.

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

Ac thermostat wiring diagram residential. Red now there can be two separate wires for this. R terminal for the red wire. Orange this wire connects to your heat pump if you have one. The basic heat a c system thermostat typically utilizes only 5 terminals.

This diagram is to be used as reference for the low voltage control wiring of your heating and ac system. 1 38ck018 32 34 38ck m 024 32 34 38ck m 030 30 32 38ck m 036. 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. Breakdown of colors and terminals thermostat wiring diagram for ac unit.

A wiring diagram is a simplified traditional pictorial depiction of an electric circuit. Always refer to your thermostat or equipment installation guides to verify proper wiring. Air conditioning unit wiring diagrams fig. W terminal to the white wire.

Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. Y terminal to the yellow wire. Always refer to your thermostat or equipment installation guides to verify proper wiring. Connection diagram g 23 equip gnd l1 11 21 ch comp r c s st cont 23 sc ofm cap h c f sr 5 2 1 l2 schematic diagram ladder form notes.

A wiring diagram is a simplified conventional pictorial depiction of an electrical circuit. Collection of central air conditioner wiring diagram. Finally the third thermostat diagram showing the average type of split system with an air conditioner or gas or oil furnace used for heating. Notesome ac systems will have a blue wire with a pink stripe in place of the yellow or y wire.

With the top thermostat wiring diagram showing an air conditioning system. The second wiring diagram showing a heat pump system. Wellborn variety of ac thermostat wiring diagram. This diagram is to be used as reference for the low voltage control wiring of your heating and ac system.

C terminal to the blue wire. For other arrangements see installation instructions. That will power the relay contactor or complete the circuit in the circuit board. Notesome ac systems will have a blue wire with a pink stripe in place of the yellow or y wire.

G terminal to the green wire. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. It reveals the elements of the circuit as streamlined forms as well as the power as well as signal links in between the gadgets. Red wire for air conditioner control power hot 1 the r terminal is the 24 volt hot feed from the control step down transformer.

Yellow the yellow wire connects to your compressor. Green the green wire connects to the fan.