In which line is the oil separator installed?

The oil separator is installed in the discharge line of a refrigeration system. The primary function of the oil separator is to remove oil from the refrigerant gas that is being discharged from the compressor. When the refrigerant is compressed, it often carries some lubricating oil that has been mixed with it during the compression process.

If this oil is allowed to travel further into the system and reach the evaporator, it can negatively impact the heat transfer efficiency and overall performance of the refrigeration cycle. By placing the oil separator in the discharge line, the system can effectively separate and collect the oil before it travels into other parts of the system, ensuring that the refrigerant remains free of excess oil and functionally optimized.

This placement is crucial for maintaining the efficiency of the refrigeration system, as it helps to ensure that adequate lubrication is provided to the compressor while also preventing oil from negatively affecting the functionality of heat exchangers and other components downstream.