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Why does copper tubing between indoor and outdoor unit discolours

  • Others
  • Others
  • Troubleshooting
  • Commercial Air Conditioners, Residential Air Conditioners
  • Last Updated 19/06/2015

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Why does the field copper piping which terminates between the indoor and outdoor unit pipe turn black?

 

 Symptom

 

             Copper tubing between indoor and outdoor unit discolours (Black in composure0.

 

 Cause

 

             Long term exposure to sunlight, will cause the copper tubing to discolored.

 

 How to fix

 

           Discolored pipes do not affect the product performance.

              Please be assured that it is safe to use the product

 

            Pipe exposed to sunlight

                           Pipe exposed to sunlight >

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