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4 Wire Wiring Diagram Rth221 H1 Wiring Diagram
Wiring diagram for a honeywell thermostat. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. C 24 vac common you might see blue purple or brown typically used for this wire. Thermostat wiring for dummies. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat.
Be sure to identify and label the existing thermostat wires before disconnecting them from the terminals on the old thermostat you are replacing. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. It doesnt control cooling and because its a mechanical thermostat it doesnt need power for internal functions so it has no c wire. At left the thermostat wiring diagram illustrates the typical wiring connections when installing a honeywell rth2300 or similar programmable room thermostat. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. 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.
Other thermostats have fewer wires. Heck now im not calling anyone a dummy. 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. When you purchase an item through links on our site we may earn an affiliate commission.
Gallery of Wiring Diagram For A Honeywell Thermostat
