What is the role of oil in a refrigeration machine?

The role of oil in a refrigeration machine is crucial for the overall functionality and longevity of the system. It primarily serves to reduce wear and friction in the compressor parts. This lubrication is essential because the compressor, being the heart of the refrigeration system, operates continuously under high pressure and temperature. Without proper lubrication, the moving parts would experience increased friction, leading to wear and tear, higher energy consumption, and potential failure of the compressor.

While other aspects related to oil in a refrigeration system may include contributions to efficiency or preventing corrosion, the primary function directly tied to the operation of the compressor is lubrication. By minimizing friction and wear, the oil helps maintain the mechanical integrity of the compressor, thereby ensuring smoother operation and extending its lifespan.