Its there so you can supply power to the heating and cooling switches with a single wire which is usually red. Youll probably see a thermostat jumper wire connecting the rc and rh terminals.
How To Wire A Thermostat The Home Depot
Honeywell home thermostat wiring diagram. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. The upgrade to the smart unit has been a wise decision. Take control of your home comfort and save on energy costs with a range of honeywell home thermostats from resideo. Find out if your home is compatible with a honeywell home thermostat. C 24 vac common you might see blue purple or brown typically used for this wire. The honeywell rth111b is a programmable version of the honeywell rth111 thermostat series.
The wiring for your honeywell thermostat depends on the functions of your heating and cooling system. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat. 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. 06122018 by david watt. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams.
We could not be happier. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Use our helpful tool to take an assessment of the existing wiring in your home. The main trouble is dealing with those different colored wires knowing which one does what and if that wasnt enough you also have numbers and letters to deal with. We had been satisfied with our older model honeywell and decided to stay with the honeywell brand. Honeywell thermostat wiring diagram 4 wire examples.
Wiring diagrams contains all the essential wiring diagrams across our range of heating controls. My paperback and e book. We have been considering a few different brand and model options. When replacing an existing thermostat simply note the terminals to which the wires are attached and attach them to the same terminals. If its a new installation you may have to identify the wires first. From smart wifi thermostats with room sensors and humidification control to programmable and non programmable thermostats resideo products meet a variety of needs.
Heck now im not calling anyone a dummy. Use our helpful tool to take an assessment of the existing wiring in your home. Learn more about resideos response to covid 19.
Gallery of Honeywell Home Thermostat Wiring Diagram
