Ac Thermostat Wiring Diagram Residential

That will power the relay contactor or complete the circuit in the circuit board.

Ac thermostat wiring diagram residential. G terminal to the green wire. Red wire for air conditioner control power hot 1 the r terminal is the 24 volt hot feed from the control step down transformer. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. The basic heat a c system thermostat typically utilizes only 5 terminals.

Always refer to your thermostat or equipment installation guides to verify proper wiring. Breakdown of colors and terminals thermostat wiring diagram for ac unit. Yellow the yellow wire connects to your compressor. This diagram is to be used as reference for the low voltage control wiring of your heating and ac system.

R terminal for the red 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. A wiring diagram is a simplified conventional pictorial depiction of an electrical circuit. For other arrangements see installation instructions.

Green the green wire connects to the fan. Collection of central air conditioner wiring diagram. The common wire sometimes referred to as the c wire is what s responsible for delivering constant power to your thermostat. 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 traditional pictorial depiction of an electric circuit. This diagram is to be used as reference for the low voltage control wiring of your heating and ac system. Notesome ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. It shows the components of the circuit as simplified shapes and the power and signal connections between the devices.

It reveals the elements of the circuit as streamlined forms as well as the power as well as signal links in between the gadgets. Y terminal to the yellow wire. White the white wire is what connects to the auxiliary heat on your system. Always refer to your thermostat or equipment installation guides to verify proper wiring.

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. W terminal to the white wire. 1 38ck018 32 34 38ck m 024 32 34 38ck m 030 30 32 38ck m 036. March 27 2019 by larry a.

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. Finally the third thermostat diagram showing the average type of split system with an air conditioner or gas or oil furnace used for heating. Red now there can be two separate wires for this.

Wellborn variety of ac thermostat wiring diagram. The second wiring diagram showing a heat pump system.