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← TechnologyWhich constraint is imposed due to excessive refrigerant overcharging?
A)Compressor internal valve plate damage
B)Evaporator coil freeze, inefficiency increases
C)Reduced cooling cycle operational efficiency✓
D)Thermistor overheating control failure mode
💡 Explanation
Refrigerant overcharging raises condenser pressure, increasing the power required to compress refrigerant. Because the compressor overcomes a higher pressure differential, the operational efficiency drops significantly. This occurs rather than specific valve failures or component overheating, therefore only cooling is affected.
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