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Two 2 Wire Honeywell Digital Thermostat To Replace Mercury Switch Convert From Mercury Switch
Honeywell thermostat wiring diagram. Red now there can be two separate wires for this. Each component should be set and connected with different parts in specific manner. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. C 24 vac common you might see blue purple or brown typically used for this wire. Orange this wire connects to your heat pump if you have one. 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. 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 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. White the white wire is what connects to the auxiliary heat on your system. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w. Use our helpful tool to take an assessment of the existing wiring in your home.
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. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. Yellow the yellow wire connects to your compressor. Thermostat wiring and wire color chart thermostat wiring colors code. Green the green wire connects to the fan. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans.
It doesnt control cooling and because its a mechanical thermostat it doesnt need power for internal functions so it has no c wire. Color of wire and termination. If not the arrangement wont function as it should be. That is a basic honeywell thermostat wiring diagram for a single stage heat pump. Metal jumper for thermostat rc and rh terminals. Find out if your home is compatible with a honeywell home thermostat.
R the r terminal is the power. 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. Use our helpful tool to take an assessment of the existing wiring in your home.
Gallery of Honeywell Thermostat Wiring Diagram
