ESCO Air Conditioning Practice Exam

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What are the symptoms of a refrigerant overcharge in a capillary tube air conditioning system?

  1. High suction pressure and high discharge pressure

  2. Low suction pressure and low discharge pressure

  3. Low airflow across the evaporator

  4. Low refrigerant charge

The correct answer is: High suction pressure and high discharge pressure

In a capillary tube air conditioning system, symptoms of a refrigerant overcharge include high suction pressure and high discharge pressure. When there is too much refrigerant in the system, pressures at both the suction and discharge sides will rise above normal levels. This can lead to inefficiency and potential damage to the system components. The other options are not indicative of a refrigerant overcharge in this type of system.

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