- A thermostat is a critical component in a refrigerator’s cooling and defrost systems.
- It regulates the temperatures inside the fridge which determines how fast your food gets cold/frozen.
- The refrigerator thermostat usually resides inside the refrigerator and has a tuning knob to regulate temperature levels.
- Adjustment of temperature involves increasing or decreasing the flow of electricity to the compressor.
- A defrost thermostat is part of the refrigerator defrosting process.
- In semi auto defrost systems, once the defrost button is pushed, metal alloys are triggered to warm and melt the ice.
- Once the temperatures reach a certain level, the thermostat turns off the heating.
- A defective thermostat can cause overheating and finally damage the fridge.
Also read: What is a Showcase Chiller Refrigerator?