1. The compressor constricts the refrigerant vapor, raising its pressure and temperature, and pushes it into the coils of the condenser on the surface of the refrigerator.

2. When the recent gas within the coils of the condenser meets the cooler air temperature of the kitchen, it becomes a liquid.

3. Now in liquid form at high , the refrigerant cools down because it flows through the expansion valve into the evaporator coils inside the freezer and therefore the fridge.

4. The refrigerant absorbs the warmth inside the fridge when it flows through the evaporator coils, cooling down the air inside the fridge.

5. Last, the refrigerant evaporates to a gas thanks to raised temperature, then flows back to the compressor, where the cycle starts everywhere again.

The main component of a refrigerator that needs power is that the compressor. it’s essentially a pump which is driven by a motor. The hum you hear when the fridge is on is that of the compressor working. The thermostat controls the temperature of the fridge by switching on-and-off the compressor.

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