What is the impact of an accumulator on refrigeration efficiency?

Prepare for the ASE Heating and Air Conditioning Test with study materials and multiple choice questions. Each question comes with hints and explanations. Ace your exam with ease!

The correct answer emphasizes a crucial role of the accumulator in a refrigeration system: it prevents liquid refrigerant from entering the compressor. By doing so, the accumulator ensures that only vapor enters the compressor, which is essential for maintaining the functionality and longevity of the compressor.

When liquid refrigerant enters the compressor, it can cause damage due to hydraulic lock, leading to severe operational issues or failure. The accumulator collects excess liquid refrigerant from the evaporator and allows only the vapor to flow to the compressor. This not only protects the compressor but also enhances the overall efficiency of the refrigeration cycle by ensuring that the system operates within its ideal parameters.

The other options do not accurately reflect the purpose of an accumulator. While an accumulator doesn't increase refrigeration efficiency directly, its primary function significantly contributes to the reliability and effectiveness of the system. Thus, focusing on preventing liquid from entering the compressor is key to understanding the accumulator's role in maintaining efficient refrigeration operation.

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