Why Does My Roof Air Conditioner Freeze Up

Sometimes ac freeze ups can be because of the refrigerant chlorodifluoromethane also.

Why does my roof air conditioner freeze up.

You ve probably let the coils get too dirty. The joule thomson effect is a principle in thermodynamics which states that if everything else is kept constant. The following are some of the key reasons why your ac may be freezing up. Standby for a small high school physics lesson.

While your air conditioner is thawing be sure to watch the water levels in the unit. So why does the outside look like an old frosted up freezer. So there you are on a. The joule thomson effect how your air conditioner freezes up.

If the drain pan inside the evaporator coil overflows you can experience water damage in your air conditioner. 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. The real problem is you or more specifically your lack of maintenance. We have a 15 kbtu ducted duo therm roof mounted air conditioner on our coach.

One other step you can do is to check the set temperature of the air conditioner. This could be due to a dirty air filter. Why is my air conditioner freezing up. What makes an rv air conditioner freeze up.

This is why it is important to not run your ac during cold weather. Air conditioners are supposed to cool the inside of your house. You could replace the air filter and in a majority of cases this may all you need to do. 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.

This can take some time. To be fair you shouldn t blame the air conditioner. Blocked air flow causes freezing up. There are several problems that can cause your rv s air conditioner to freeze up and stop working.

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. 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. 2 air conditioner freezes up low refrigerant. It s just doing its job.

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. 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. Make sure that it is not set lower than 70 f.

Your air conditioner is designed to operate in outdoor temperatures that are above 62º f. It puts out good cold air but it will freeze up at least twice daily.