Hvac Fan Relay Wiring
Ac service tech llc 19 866 views.
Hvac fan relay wiring. The portion of the relay that opens and closes can be called the switch contacts or points. 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. So if you want to secure these great photos regarding hvac fan relay wiring diagram. Most 16 inch or smaller fans can get by with a 40a to 50a relay for the high speed.
Hvac fan relay wiring diagram. Variety of electric furnace fan relay wiring diagram. A wiring diagram is a simplified standard photographic depiction of an electrical circuit. It reveals the parts of the circuit as streamlined shapes and the power as well as signal connections between the devices.
This way you can be sure only one circuit will be on at a time. Line voltage is wired at the bottom left push in terminal. May 15 2020 by larry a. Hvacr fan switching relay how it works voltage terminals troubleshooting.
It reveals the elements of the circuit as simplified shapes and also the power and signal connections in between the devices. Variety of hvac fan relay wiring diagram. Air conditioner doesnt blow any air. It reveals the parts of the circuit as simplified forms and the power and signal connections in between the gadgets.
Load voltage to the fan is wired at the upper left push in terminal. A larger fan such as the 18 inch ford taurus t bird lincoln mk viii fans should use a 70a or 80a relay. A wiring diagram is a streamlined conventional pictorial depiction of an electrical circuit. December 2 2018 by larry a.
As honeywell s illustration shows the two fan terminals are on the upper and lower left side of the control.