C 24 vac common you might see blue purple or brown typically used for this wire. But here is a list of the most common wire color mappings as seen in many four wire t stat setups.
I Require Wiring Diagram To Connect Honeywell Cmt927 Room
Honeywell room thermostat wiring diagram. At left the thermostat wiring diagram illustrates the typical wiring connections when installing a honeywell rth2300 or similar programmable room thermostat. The honeywell home trademark is used under license from honeywell international inc. The model number of the honeywell thermostat was not provided however here are the typical wiring assignments for a conventional heating system. If you check the honeywell thermostat ct31a1003 wiring diagram youll see that it requires only two wires. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. Thermostats vary in the features they offer and there are also differences when it comes to wiring one to control your homes heating and cooling system.
Wiring connections for a room thermostat such as the honeywell 24 volt t87f the honeywell series 10 out of production or penn rimset low voltage wall thermostat models are pretty simple as are the wiring instructions for white rogers mercoid general controls and similar thermostats. This is because its a very basic thermostat designed only to control a heating system. Honeywell thermostat wiring diagram 4 wire examples. 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. Basic 2 wire room thermostat wiring instructions. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans.
Be sure to identify and label the existing thermostat wires before disconnecting them from the terminals on the old thermostat you are replacing.
Gallery of Honeywell Room Thermostat Wiring Diagram
