Thermostat wiring and wire color chart thermostat wiring colors code. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.
4 Wire Or 5 Wire Thermostat Wiring Problem Step By Step Fix
Honeywell thermostat wiring diagram. C 24 vac common you might see blue purple or brown typically used for this wire. Learn more about resideos response to covid 19. R the r terminal is the power. Use our helpful tool to take an assessment of the existing wiring in your home. Each component should be set and connected with different parts in specific manner. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans.
Metal jumper for thermostat rc and rh terminals. Yellow the yellow wire connects to your compressor. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. Color of wire and termination. Green the green wire connects to the fan. Orange this wire connects to your heat pump if you have one.
White the white wire is what connects to the auxiliary heat on your system. 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. Honeywell thermostat wiring diagram 4 wire examples the table above provides a more complete list of honeywell thermostat wiring colors and their uses. 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. 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. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system.
Furthermore this thermostat wiring diagram is specifically for a system with two transformers. Find out if your home is compatible with a honeywell home thermostat. The honeywell home trademark is used under license from honeywell international inc. It doesnt control cooling and because its a mechanical thermostat it doesnt need power for internal functions so it has no c wire. Use our helpful tool to take an assessment of the existing wiring in your home. That is a basic honeywell thermostat wiring diagram for a single stage heat pump.
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. Red now there can be two separate wires for this. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. If not the arrangement wont function as it should be.
Gallery of Honeywell Thermostat Wiring Diagram
