Answer / ajay

Refrigeration systems are very sensitive to moisture in the refrigerant side of the system. If moisture gets into the system, failure may occur due to:

Ice formation in expansion valves, capillary tubes or evaporators,
Corrosion of metals,
Copper plating,
Chemical damage to insulation in hermetic compressors or other system materials.

Answer / ibrahim_mahmoud

hammering
decrease cycle efficiency

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