Refrigerant Overcharge Problems

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A refrigerant overcharge problem occurs when a technician puts too much refrigerant into the A/C system. It is essential for proper operation for there to be a correct refrigerant charge in the air conditioning unit or it will not be energy efficient. Refrigerant overcharge correction can reduce the cooling cost by 5 to 10 percent on average.

Problem Signs

  • There are telltale signs that your air conditioner system is overcharged with refrigerant. For instance, look for an excess of refrigerant that has backed up into the system’s condenser. In addition, other symptoms of a overcharged system include a high discharge temperature as well as high condensing pressures or high condenser sub-cooling, according to John Tomczyk of the website Achr News.

Impact

  • The impact of refrigerant overcharging in your air conditioning system can be a notable reduction in the condenser to possible failure. There may be a decrease in the compressor’s lubrication and a real possibility of oil pooling in the condenser. The result will be a reduction in refrigerant circulating throughout the A/C system and the prevention of proper heat transfer.

Solution

  • There is an effective way to make certain that the refrigerant charge in air conditioning system is the correct amount. First, make certain that your unit’s manufacturer chart specifications line up the unit’s suction line pressure with the correct evaporating temperature. You can arrive at the correct refrigerant charge by measuring the suction line temperature, according to the according to the Federal Energy Management Program website.

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