Why is it important to maintain proper refrigerant charge levels?

Maintaining proper refrigerant charge levels is crucial because it directly influences the efficiency and longevity of the refrigeration system. When the refrigerant charge is at the correct level, the system operates optimally, which enhances energy efficiency and reduces wear and tear on components. An undercharged system can result in insufficient cooling and overworking the compressor, leading to potential damage or failure. Conversely, an overcharged system can cause high discharge pressures, which can also harm the compressor and other system components. Therefore, achieving and maintaining the correct refrigerant charge is essential for preventing costly repairs and ensuring reliable performance over time.