Which problem arises when excessive superheat occurs in an HVAC evaporator coil?

💡 Explanation

When excessive superheat exists, the refrigerant completely evaporates too early within the coil because inadequate liquid refrigerant is supplied, leading to superheated vapor entering the compressor, increasing the discharge temperature. Therefore, increased discharge temperature results, rather than reduced capacity (due to liquid flooding), over-pressurization, or decreased power which relate to different conditions.

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