
Thermostat Wiring for Dummies - How Anyone Can Do It . Even the most seasoned people who enjoy DIY may come across problems with wiring a thermostat. The main trouble is dealing with those different colored wires, knowing which one does what and if that wasn't enough, you also have numbers and letters to deal with. White - The white wire is
Room thermostat wiring diagrams for HVAC systems . Thermostat wiring schematics: this article provides room thermostat wiring diagrams for Flair, Honeywell, White Rodgers and other thermostat brands. For people who prefer to see an actual wiring schematic or diagram when wiring up a room thermostat, those illustrations are provided here to help understand what wires are being connected and what each wire is doing. Wire A Thermostat - how-to-wire-it.com . 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) G - Green Wire (Controls Fan ON-Auto) The diagram shows how the wiring works. However your connections may seem a little different on the thermostat itself. Just take a look at the picture below the How to Wire a White-Rodgers Thermostat to a Heat - Hunker . If you have a White-Rodgers heat pump and thermostat system, or an Emerson thermostat, the wiring likely follows a particular pattern. If you are installing a new thermostat, refer to the manufacturer's instructions. They should contain a diagram of the wire terminals and indicate which wires go where. Honeywell Thermostat 4 Wire Wiring Diagram Tom's Tek Stop . Honeywell Thermostat Wiring Diagram 4 Wire Examples The table above provides a more complete list of Honeywell thermostat wiring colors and their uses. But here ! is a list of the most common wire color mappings, as seen in m! any four wire t-stat setups.