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Which outcome occurs when a refrigeration system uses R-410A refrigerant and experiences sustained superheat at the compressor inlet?

A)Reduced system cooling capacity
B)Increased compressor motor current
C)Lubricant breakdown and compressor damage
D)Evaporator coil ice formation rate

💡 Explanation

When R-410A undergoes sustained superheat at the compressor inlet, thermochemical decomposition of the highly reactive refrigerant and lubricating oil occurs because elevated temperatures promote chemical reactions, creating acids and sludge. Therefore lubricant breakdown and compressor damage result, rather than capacity issues, current increase, or ice formation which are related to different refrigerant charge states or airflow problems.

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