In this HVAC Training Video, I Show How the Fan Switching Relay Works and How to Troubleshoot the Coil and Switching Terminal Contacts. I take the relay apar.. HVAC Fan Relay: Make sure you have a suitable HVAC fan relay that is compatible with your system. Check the specifications and ensure it has the appropriate voltage rating.. or auxiliary functions. It is important to consult the wiring diagram or manufacturer's instructions for the specific relay being used to understand the function and.
![[DIAGRAM] Wiring Diagram For Cooling Fan Relay Switch](https://i.ytimg.com/vi/cNs4OmfCjHw/maxresdefault.jpg "[DIAGRAM] Wiring Diagram For Cooling Fan Relay Switch")
Use our fan wiring diagram and guide to ensure you correctly wire your fans to your relay. Before that, let's have a clear picture of where the four wires of an electric fan relay go. First， wire 85 connects the relay to the thermostatic switch, determining when the fan is operational.. The 5 pin relay wiring diagram for a fan motor is an integral component of any cooling, ventilation, and air conditioning (HVAC) system. Without this diagram, it would be almost impossible to properly operate the fan motor and keep the interior environment comfortable and energy-efficient. In this article, we'll explain what the 5 pin relay.