Hvac Fan Relay Wiring
It reveals the parts of the circuit as simplified forms and the power and signal connections in between the gadgets.
Hvac fan relay wiring. A wiring diagram is a simplified standard photographic depiction of an electrical circuit. The portion of the relay that opens and closes can be called the switch contacts or points. May 15 2020 by larry a. Relay coils can come in many different voltages depending on the application but in residential and light commercial hvac 24 volt coils are the most common.
As honeywell s illustration shows the two fan terminals are on the upper and lower left side of the control. Wellborn collection of furnace fan relay wiring diagram. The high speed relay capacity will depend on the fan. It reveals the elements of the circuit as simplified shapes and also the power and signal connections in between the devices.
A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. Variety of hvac fan relay wiring diagram. Line voltage is wired at the bottom left push in terminal. Hvac fan relay wiring diagram.
Hvacr fan switching relay how it works voltage terminals troubleshooting. Ac service tech llc 19 866 views. A larger fan such as the 18 inch ford taurus t bird lincoln mk viii fans should use a 70a or 80a relay. Load voltage to the fan is wired at the upper left push in terminal.
Air conditioner doesnt blow any air. A wiring diagram is a streamlined traditional photographic depiction of an electric circuit. It reveals the parts of the circuit as streamlined shapes and the power as well as signal connections between the devices. Most 16 inch or smaller fans can get by with a 40a to 50a relay for the high speed.
Variety of electric furnace fan relay wiring diagram.