Outside Central Air Unit Frozen

If the unit fails to shut off when temperatures in the living area hit the thermostat setting the cause might be a failed electrical contactor in the outside portion of the central air unit.

Outside central air unit frozen.

Clogged air filter coils or obstruction in front of return. The dirtier an air filter gets the more it can restrict airflow through your system. 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. 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.

Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat. Be careful to not bend the fins. Clean the inside unit using a lower pressure air line or a vacuum cleaner. There are a number of reasons for an air conditioner to freeze up and it really doesn t matter whether it is a window ac unit or a central air conditioner the causes of and solutions to an air conditioner that keeps freezing up are exactly the same.

Airflow brings warm and moist air to the ac which is then conditioned. It is important to address this issue a frozen air conditioner will not only cool. If your air conditioning line is frozen not only will this result in a block of ice covering your evaporator coils preventing any air from passing through it can really damage the heart of your system which is the compressor. With the power to the unit off use a medium pressure hose to wash dirt from the fins in the outside unit.

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. So what s the deal. The evaporator coil is the part of your ac system that cools the warm air taken from inside your home. An evaporator coil in a central ac unit.

Clean the cooling fins. Causes for central air conditioner freezing up. However this is a common problem homeowners have with their air conditioner during the cooling season. Dirty air filters can cause this problem.

If you change or clean your filter per the manufacturer s instructions you ll be. These are thin strips of metal that are easily bent. It s getting hotter outside in the atlanta area but your central air conditioner is covered in a thick sheet of ice. The flow of air around the air conditioning unit is important for its normal functioning.

Warm air blows over the evaporator coil refrigerant removes the heat from the air and then cold air is pushed back in your home. If your outdoor unit is frozen and you can t remember the last time you changed your air filter you might have identified your problem.