Impressive Thermostat Wiring Diagram 4 Wire

Both examples of how to wire a honeywell thermostat with 4 wires are discussed below.

Thermostat wiring diagram 4 wire. How to wire a honeywell thermostat with 4 wires. Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. C 24 vac common you might see blue purple or brown typically used for this wire.

Typical 4 wire thermostat t stat wiring examples follow. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. Variety of 4 wire thermostat wiring diagram.

Control point function in equipment. This wire goes to the gas controls to engage the heat on a call for heat from the thermostat when you have it set to heating mode. Installing the wrong thermostat type always install a thermostat to its compatible base.

The major component to look out for if you don t know the wiring system is the common wire which is always absent from a. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. This closes the 24 volt control side of the gas furnace and begins the process of starting the gas furnace into its sequence of operation.

Some have the common c wire while others do not. A wiring diagram is an easy visual representation with the physical connections and physical layout associated with an electrical system or circuit. Basic thermostat wiring for furnace and air conditioner.

So 4 4 and 5 5 when dealing with the wire setup. Honeywell thermostat wiring diagram 4 wire examples the table above provides a more complete list of honeywell thermostat wiring colors and their uses. You can avoid a major headache later on that could damage your entire system.