When you buy a refrigerator or freezer, they are already packaged and ready to use. The main concept of a LG refrigerator is the evaporation of the liquid used to absorb heat, which creates a cold temperature. 

Here are the five main LG refrigerator component::

1. Compressor,

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2. tube heat exchanger – a series of tubes outside the block,

3. Heat exchanger tubes – tubes located in the device,

4. Expansion valve or evaporator – used to evaporate and absorb heat from the refrigerator.

5. Refrigerant – the most important part of the refrigeration system, can undergo various changes from gas to liquid. Most refrigerators use pure ammonia as a refrigerant because it evaporates at minus 27 degrees or minus 32 degrees Celsius. 

How does a LG refrigerator work? It usually starts with a compressor where it compresses the refrigerant to increase the pressure and temperature of the refrigerant. Heat exchanger pipes located outside the device allow the refrigerant to dissipate pressure heat.

It's important to know how a LG refrigerator basically works and what parts it needs so that if your refrigerator breaks, you know the steps needed to repair your device. If your refrigerator breaks, you don't need to buy a new one – you can simply replace the damaged part. You can even search online for more information about LGrefrigerator parts.