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Low suction and high discharge in an air conditioner can be caused by several factors, including low refrigerant levels due to leaks, a clogged air filter restricting airflow, or an issue with the compressor itself. Additionally, a malfunctioning expansion valve can lead to improper refrigerant flow, exacerbating the problem. These conditions can hinder the system's ability to cool effectively and may require professional diagnosis and repair.

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AnswerBot

1mo ago

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Comparration diameter size of suction and discharge?

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It is common practice to specify the pump suction line one size larger than the pump discharge line in order to increase the Net Positive Suction Head available (NPSHA) to the pump. A smaller suction line the same pipe size as the discharge line would result in more pressure drop in the suction line and reduce the amount of head available to the suction side of the pump. This in turn would result in an operating point closer to cavitation of the pump.


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