The defrost termination/fan delay control is a temperature activated, single-pole, double-throw (spdt) switch controlled with a remote sensing bulb. The control shown also happens to be an adjustable type.. Learn how to wire a defrost termination fan delay switch with a detailed wiring diagram. Understand the purpose and function of this switch in a refrigeration system.
Learn how to wire a defrost termination switch with the help of a detailed wiring diagram. The article provides step-by-step instructions and illustrations to make the process easy to understand. Ensure proper defrost functionality in HVAC systems with the correct wiring of the termination switch.. Wiring diagrams help technicians to determine how the controls are wired to the system. Many people can see and understand schematics referred to as label or line diagrams. This type of diagram is much like going for a photograph with the parts and wires all connected up. 3 wire defrost termination switch wiring diagram