Air Conditioner Frozen Outside Line
Clean the inside unit using a lower pressure air line or a vacuum cleaner.
Air conditioner frozen outside line. The cooling line for your air conditioner will run directly from the ac unit outside to the furnace fan and will usually be covered in black insulation. The first step in repairing your air conditioning unit and preventing freezing is to inspect the cold air line for any tears or damage to the insulation. Trim grass and remove debris from around the unit. Part of your air conditioner s job is to dehumidify your air by removing excess moisture.
But when the pressure changes for some reason the refrigerant may start to act abnormally. Causes for central air conditioner freezing up. So what s the deal. The most common cause of frozen acs is also the easiest to fix.
Be careful to not bend the fins. Or in this case a bad blower motor. Clean the cooling fins. There are many reasons why the blower will freeze up.
If your refrigerant line is frozen be careful. Low airflow over the evaporator coil. Dirty filter low freon refrigerant. These are thin strips of metal that are easily bent.
And you re right to be confused it s definitely not normal to see ice on your air conditioner refrigerant pipe when it s 90 outside. During normal operation water vapors may condense on the outside of the lines carrying the refrigerant. Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat. With the power to the unit off use a medium pressure hose to wash dirt from the fins in the outside unit.
Your ac sucks the water out of the air and it collects on the condensate coils. Clogged air filter coils or obstruction in front of return. Without the hot air moving over the proper parts a broken blower fan can also cause a refrigerant line to freeze too. Ice on your outside air conditioner pipe is actually a sign of 2 ac problems.
We get this question a lot from twin cities homeowners. Chances are your indoor unit s evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line which is why it s covered in ice. 4 reasons why your ac line is freezing up 1. The freeze can easily back up all the way to your condenser unit outside causing problems.
If you are running your air conditioner when the outside air is below around 62 degrees then the pressures inside of your system will drop and this can cause a freeze up of your central air conditioner. Air conditioners are designed to function in a very specific temperature range. In such a case the refrigerant may cause the air outside the line to condense and then freeze. Mechanical failures can cause your air conditioner to.