What is the purpose of a refrigerant drier?

A refrigerant drier plays a critical role in maintaining the efficiency and longevity of a refrigeration system by removing moisture and impurities from the refrigerant. Moisture in a refrigeration system can lead to various issues, including the formation of ice, which can obstruct the flow of refrigerant and damage components such as the compressor. Additionally, impurities, such as dirt or metallic particles, can harm the system's other components, leading to decreased efficiency or even failure.

By filtering out these unwanted elements, the drier ensures that the refrigerant circulates in a clean state, promoting effective heat exchange and reducing the risk of corrosion or mechanical failure within the system. This function is vital, as it contributes to the overall reliability and effectiveness of the refrigeration cycle.

While other components such as compressors and valves manage pressures and phases of the refrigerant, the drier's specific task of purification distinguishes its essential purpose in maintaining system integrity and performance.