Use our helpful tool to take an assessment of the existing wiring in your home. If not the arrangement wont function as it should be.
How Wire A Honeywell Room Thermostat Honeywell Thermostat
Honeywell thermostat wiring diagram. White the white wire is what connects to the auxiliary heat on your system. Thermostat wiring and wire color chart thermostat wiring colors code. Yellow the yellow wire connects to your compressor. It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. Orange this wire connects to your heat pump if you have one. C 24 vac common you might see blue purple or brown typically used for this wire.
If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. Furthermore this thermostat wiring diagram is specifically for a system with two transformers. Red now there can be two separate wires for this. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. That is a basic honeywell thermostat wiring diagram for a single stage heat pump. The honeywell home trademark is used under license from honeywell international inc.
But here is a list of the most common wire color mappings as seen in many four wire t stat setups. Each component should be set and connected with different parts in specific manner. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. Honeywell wifi thermostat wiring diagram honeywell lyric t5 wi fi thermostat wiring diagram honeywell smart thermostat wiring diagram honeywell t5 wifi thermostat wiring diagram every electric arrangement is made up of various distinct parts. Green the green wire connects to the fan. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system.
Color of wire and termination. Use our helpful tool to take an assessment of the existing wiring in your home. It doesnt control cooling and because its a mechanical thermostat it doesnt need power for internal functions so it has no c wire. Learn more about resideos response to covid 19. R the r terminal is the power. 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.
Find out if your home is compatible with a honeywell home thermostat. Metal jumper for thermostat rc and rh terminals. Honeywell thermostat wiring diagram 4 wire examples the table above provides a more complete list of honeywell thermostat wiring colors and their uses. At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 3 wire application as a spdt single pole double throw switch such as used to control low voltage motors electric radiator valves zone valves.
Gallery of Honeywell Thermostat Wiring Diagram
