Question about Carrier 36KCARMS Air Conditioner

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Central Air not cooling properly

Our daughter and son-in-law have a Carrier air conditioner. They can't seem to get the air conditioner to cool down the house. The main 'black' pipe coming from the air conditioner to the inside furnace also has a small copper tube running along side of it. The copper tube is very warm, almost hot to the touch. The same copper tube on my air conditioner is room temperature, not warm at all.

Could the problem be with this tubing? What fluid runs through this copper tubing?

Any advice would be appreciated.

email - idockter@yahoo.com

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  • idockter Jun 26, 2008

    Thank you for the prompt reply. We'll take a look at the Coil.

  • Anonymous Mar 17, 2014

    air conditioner presure line copper stolen

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This tubbing carries the refrigerant. The small line is flowing to their inside air handler. If the line is hot it is an indication that the outside unit is not able to release the heat. The most common reason is that the coil (looks like a car radiator) is dirty or plugged. This can be cleaned with a brush or sometimes a garden hose. They do make acid type cleaners for doing this, but the use of the acids are restricted in some areas.

By the way the other black pipe should have a larger copper line behind the black insulation. That line should be cold and sweaty like a nice glass of ice tea:)

Posted on Jun 26, 2008

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