Furnace 4 Wire Thermostat Wiring Diagram. Variety of 4 wire thermostat wiring diagram. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above.
My paperback and e book. When the red wire is disconnected from w the. A button will certainly be a break in the line with a line at an angle to the wire much like a light button you could turn on and off.
A wiring diagram is an easy visual representation with the physical connections and physical layout associated with an electrical system or circuit.
Ford expedition radio wiring diagram. 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. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. For example if the red wire is connected to w on the thermostat the furnace should turn on.
