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← TechnologyWhich outcome occurs when exceeding compressor superheat limits in HVAC systems?
A)Excessive power consumption and valve damage✓
B)Refrigerant subcooling increases proportionally
C)Lower discharge pressure and temperature
D)System COP increases significantly thereafter
💡 Explanation
Exceeding superheat causes overheating and refrigerant breakdown due to incomplete vaporisation; the mechanism is thermal stress combined with chemical kinetics, therefore valve damage happens, rather than increased COP, because the inefficient compression raises power needs.
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