Honeywell Home Thermostat Wiring Diagram

Find out if your home is compatible with a honeywell home thermostat. Your system likely only has one transformer as most typical residential systems only use a single transformer for control. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.

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Honeywell home thermostat wiring diagram. 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. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Again referring to the honeywell thermostat ct31a1003 wiring diagram you can see it requires only two wires r and w.

G used for independent fan control only. Green the green wire connects to the fan. C 24 vac common you might see blue purple or brown typically used for this wire. Install the honeywell wi fi smart thermostat in a snap from cnet.

Most heat only gas or oil forced air systems do not use a fan g wire. Use our helpful tool to take an assessment of the existing wiring in your home. If you have a two stage heat pump then you will also utilize terminal y2 for the second stage. That is a basic honeywell thermostat wiring diagram for a single stage heat pump.

More about thermostat wiring. From smart wifi thermostats with room sensors and humidification control to programmable and non programmable thermostats resideo products meet a variety of needs. Furthermore this thermostat wiring diagram is specifically for a system with two transformers. T6 pro wiring diagrams wiring diagrams heat only.

Yellow the yellow wire connects to your compressor. The honeywell home trademark is used under license from honeywell international inc. Honeywell thermostat wiring diagram 4 wire examples the table above provides a more complete list of honeywell thermostat wiring colors and their uses. Gas or oil furnace.

Learn more about resideo s response to covid 19. References for honeywell smart thermostat wiring. Metal jumper for thermostat rc and rh terminals. Take control of your home comfort and save on energy costs with a range of honeywell home thermostats from resideo.

Electrical wiring question replacing honeywell t6160 room stat mains 3 wire with horstmann drt2 battery operated 2 wire. Red now there can be two separate wires for this. Revised the tags list. 2 1 2 furnace r rc switch up o b heat only.

Gas or oil furnace cool only c g w r s s y y2 g c u u a w2 w k rc r l a e aux m36882 1 common optional. Electrical wiring for a honeywell thermostat. Added key word targeting for honeywell smart thermostat wiring removed ad code and added more tags and links. It doesn t control cooling and because it s a mechanical thermostat it doesn t need power for internal functions so it has no c wire.