Honeywell Heat Cool Thermostat Wiring Diagram. The three wires are red white and blue or yellow depending on the manufacturer. Honeywell ct31a1003 wiring diagram.
If the device only needs two wires the device can just warm the area. The thermostat uses 1 wire to control each of your hvac systems primary functions such as heating cooling fan etc. Honeywell ct31a wiring diagram 24092018 7 comments the honeywell ct31ae heat and cool non programmable thermostat has precise temperature control is mercury free and works with heating and.
S indoor and outdoor wired sensors.
The honeywell home trademark is used under license from honeywell. Basic electricians pouch hand tools. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. The honeywell home trademark is used under license from honeywell.