Our refrigeration systems and other HVAC equipment are essential for our daily lives. But have you wondered what happens behind these units? What makes them function? Think about it yourself, it can be quite intriguing when pondering over what keeps these refrigerators and air conditioners cool. Well, the answer is simple – refrigeration!
Refrigeration is the process that is used by cooling equipment to keep the heat outside and generate cool air inside the unit. If you’re curious about the process and how it works, read on.
Refrigeration Process
The refrigeration process entails keeping the food cold while ensuring the heat stays away from the unit. As a result, the liquid needs to be changed to gas and then vice versa. This process is repeated throughout the cycle to keep the area cool and heat outside. Moreover, various parts of refrigerators help in this process, namely coils, fans, compressors, and more. Collectively, they help remove the heat and circulate the cool air throughout the components.
Condenser Coils
The first step to replacing heat with ice-cold air from your appliance is in a sealed system. The compressor converts the refrigerant from a liquid to a gas and transfers it to the condenser coils.
The condenser coils are hot to touch because they transform the gas into a heated liquid. The heat is dissipated as the liquid travels through the coils, and the hot air is removed by the condenser fan. The majority of the models have the compressor, condenser coils, and condenser fan located behind the lower rear panel.
Evaporator Coils
As it passes through the evaporator coils, the liquid refrigerant is converted into a gas. By eliminating heat and dispersing cold air according to the temperature setting, the evaporator fan aids in the cooling process. The evaporator coils become cold when the refrigerant is in a gas form. As the gas passes through the coils, it is pulled back into the compressor, where it is converted to a liquid and the process begins all over again, and it keeps continuing until the end of the appliance’s lifespan.
You’ll see a consistent level of frost on the evaporator coils if the system is working properly. If some rows get frost and others have not, the sealed system is either leaking or obstructed.
Moreover, if you feel your refrigeration equipment doesn’t function the right way or there are any malfunctioning symptoms such as leaks, frost, etc., it’s best to reach out to an expert commercial refrigeration company to ensure your equipment is well-serviced.
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