Basic house thermostat wiring diagram. I show where the wires go at the thermostat the color code then down at the furnace control board and how to wire up the wires coming. Heck now im not calling anyone a dummy. The basic heat ac system thermostat typically utilizes only 5 terminals. The main trouble is dealing with those different colored wires knowing which one does what and if that wasnt enough.
Basic thermostat wiring colors air conditioner systems always remember when changing a thermostat for a new thermostat to take a photo of the colors and where they go on the old thermostat or get a pencil and paper and write it down. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat. Collection of house thermostat wiring diagram. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above.
It reveals the parts of the circuit as simplified forms as well as the power and signal links in between the devices. It is better to take a good up close photo of the old thermostat and what terminals the colored wiring are terminated. A wiring diagram is a streamlined standard photographic representation of an electric circuit. 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.
Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolwhile 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. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Wiring landscape lights wiring landscape lights get a basic knowledge of how to do wiring on landscape and garden lights. Basic thermostat wiring for furnace and air conditioner.