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← TechnologyWhich risk increases when a refrigeration system using R-410A refrigerant experiences excessive superheat levels?
A)Compressor valve plate failure✓
B)Expansion valve diaphragm rupture
C)Evaporator coil freezing causing blockage
D)Condenser subcooling reduction impacting capacity
💡 Explanation
When a system has excessive superheat, the refrigerant absorbs too much heat, causing overheating. The high temperature and pressure lead to increased stress, resulting in premature failure of the compressor valve plate via thermal fatigue. Therefore valve plate failure results, rather than issues in other components which are affected differently by superheat.
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