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Cool air from my AC is weak and not cold enough. Why?

  • Altele
  • Altele
  • Depanare
  • Echipamente de aer conditionat
  • Ultima actualizare 16/06/2015

Cool air from my AC is weak and not cold enough. Why?

 Symptom   

             Cooling air > weak cooling air

cause Cause

             Circulation of the refrigerant may be interrupted when the outdoor unit is heated by sunlight, resulting in weak cold air.

 How to fix

         - Please protect the outdoor unit from sunlight by putting a sun screen on it. 

             Spraying cold water on the outdoor unit after unplugging also helps to cool down. 

          - If the size of the place where AC is installed is larger than what the AC can cover, cooling may appear insufficient. 

           The difference between intake temperature and discharge temperature is normally over 8 degrees. 


       How to measure temperature

           1) Intake temperature : Temperature measured about 5 meters from the filter

           2) Discharge temperature : Temperature measured about 5 meters from the air outlet.

               Ex) Intake temperature : 30

                     Discharge temperature : 20

                     Difference = 10 degrees, NORMAL

   

          How to check
                ① As long as water drops from the drain hose and air from the unit feels cool enough , the A/S is working fine. 

                    (If the size of the place where AC is installed is larger than what the AC can cover, cold air might appear insufficient)

                     ※Difference between discharge temperature and intake temperature is normally 8 degrees or higher.

                     E.g.) How to calculate area that an AC can cover. 

                              If the cooling area is 4000W,

                    mark cooling area=4000W ÷ 123W/ = 32.5           

                Please find a thick and thin pipe in the outdoor unit. It the thick pipe appear cold, dews from on the pipe, or water is drained,

                     then the AC is working properly.

                Gas pressure of an AC normally ranges from 55 to 60 pound. (with the standard of 25)

                       

          How to measure temperature

              1) Intake temperature : Temperature measured about 5 meters from the filter

              2) Discharge temperature : Temperature measured about 5 meters from the air outlet.

                   E.g.) Intake temperature : 30

                            Discharge temperature : 20

                            Difference = 10 degrees, NORMAL
   

     

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