The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system. The table above provides a more complete list of honeywell thermostat wiring colors and their uses.
Installing A New Thermostat Honeywell Mycoffeepot Org
Honeywell 4 wire thermostat wiring diagram. Find out if your home is compatible with a honeywell home thermostat. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. The red wire or 24 vac power lead is connected straight to the rc 4 terminals. There are only four wires going into the existing thermostat red green blue white. 4 wire or 5 wire thermostat wiring problem question. C 24 vac common you might see blue purple or brown typically used for this wire.
To develop a pcb layout you must know the associates of components component sizes footprints and a myriad of extra properties. Learn more about resideos response to covid 19. Inspirational honeywell thermostat wiring diagram for rth 3 4 5 wire a beginner s overview of circuit diagrams a first appearance at a circuit representation may be complex however if you can review a train map you can check out schematics. Youll probably see a thermostat jumper wire connecting the rc and rh terminals. 4 wire honeywell thermostat wiring diagram a pcb layout is the resulting design from taking a schematic once specific components and determining how they will physically be laid out upon a printed circuit board. Some have the common c wire while others do not.
Use our helpful tool to take an assessment of the existing wiring in your home. Just take a look at the picture below the diagram. Its there so you can supply power to the heating and cooling switches with a single wire which is usually red. 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. How to wire a honeywell thermostat with 4 wires. However your connections may seem a little different on the thermostat itself.
But here is a list of the most common wire color mappings as seen in many four wire t stat setups. Y yellow wire for cooling enable g green wire controls fan on auto the diagram shows how the wiring works. We have both a natural gas furnace and an ac unit. Both examples of how to wire a honeywell thermostat with 4 wires are discussed below. Typical 4 wire thermostat t stat wiring examples follow. We have a 19 year old condo with an old carrier mercury thermostat.
Honeywell thermostat wiring diagram 4 wire examples. The wiring for your honeywell thermostat depends on the functions of your heating and cooling system. Keep in mind that there should be a low voltage cable in the wall where the thermostat is located which has individual wires as shown in the instructions below.
Gallery of Honeywell 4 Wire Thermostat Wiring Diagram
