Why Does My Roof Air Conditioner Freeze Up

When the coil is iced over air delivery to the vents is blocked and if enough of the coil freezes up the freeze protector that serves to protect the compressor from operating with an iced coil closes or opens a circuit depending on which manufacturer s air conditioner is on the roof and the compressor quits running.

Why does my roof air conditioner freeze up.

The first is that the air flow has somehow been lowered. Air conditioners need to have a constant flow of air so that humidity can t settle on the coils and freeze. You ve probably let the coils get too dirty. While your air conditioner is thawing be sure to watch the water levels in the unit.

We don t need to go too in depth so bear with me but understanding this principle is the key to figuring out why your air conditioner is freezing up. When the refrigerant in the system is low due to leakage over time there will be a decrease in the saturation point temperature of the system. If the drain pan inside the evaporator coil overflows you can experience water damage in your air conditioner. The following are some of the key reasons why your ac may be freezing up.

This could be due to a dirty air filter. It puts out good cold air but it will freeze up at least twice daily. Before you do so though you need to turn off the ac so that the frost or ice that has formed upon it can melt. What makes an rv air conditioner freeze up.

One other step you can do is to check the set temperature of the air conditioner. Here in texas with temperatures over 100 degrees every day our a c unit would keep freezing up leaving us without cooling for over an hour while it thawed. Standby for a small high school physics lesson. In order to keep the air flow in your own house moving enough to not disrupt your air conditioner s functionality you need to be sure your air filters aren t dirty and becoming clogged.

Temperatures below 62º f will cause your system s pressure to drop and this will cause it to freeze or ice up. To be fair you shouldn t blame the air conditioner. It s just doing its job. So why does the outside look like an old frosted up freezer.

The joule thomson effect how your air conditioner freezes up. The joule thomson effect is a principle in thermodynamics which states that if everything else is kept constant. Air conditioners are supposed to cool the inside of your house. Blocked air flow causes freezing up.

You could replace the air filter and in a majority of cases this may all you need to do. Your air conditioner is designed to operate in outdoor temperatures that are above 62º f. Make sure that it is not set lower than 70 f. 2 air conditioner freezes up low refrigerant.

Why is my air conditioner freezing up. This is why it is important to not run your ac during cold weather. This can take some time. There are several problems that can cause your rv s air conditioner to freeze up and stop working.

We have a 15 kbtu ducted duo therm roof mounted air conditioner on our coach. So there you are on a.