Why Does My Roof Air Conditioner Freeze Up

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.

Why does my roof air conditioner freeze up.

What makes an rv air conditioner freeze up. You could replace the air filter and in a majority of cases this may all you need to do. Air conditioners need to have a constant flow of air so that humidity can t settle on the coils and freeze. While your air conditioner is thawing be sure to watch the water levels in the unit.

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. There are several problems that can cause your rv s air conditioner to freeze up and stop working. 2 air conditioner freezes up low refrigerant. Sometimes ac freeze ups can be because of the refrigerant chlorodifluoromethane also.

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. This could be due to a dirty air filter. You ve probably let the coils get too dirty. 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.

The following are some of the key reasons why your ac may be freezing up. This can take some time. One other step you can do is to check the set temperature of the air conditioner. Make sure that it is not set lower than 70 f.

So why does the outside look like an old frosted up freezer. We have a 15 kbtu ducted duo therm roof mounted air conditioner on our coach. Blocked air flow causes freezing up. The first is that the air flow has somehow been lowered.

To be fair you shouldn t blame the air conditioner. Standby for a small high school physics lesson. Temperatures below 62º f will cause your system s pressure to drop and this will cause it to freeze or ice up. It s just doing its job.

The joule thomson effect how your air conditioner freezes up. Your air conditioner is designed to operate in outdoor temperatures that are above 62º f. The joule thomson effect is a principle in thermodynamics which states that if everything else is kept constant. If the drain pan inside the evaporator coil overflows you can experience water damage in your air conditioner.

So there you are on a. The refrigerant in your air conditioning often depends on the right pressure to function properly. 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. Why is my air conditioner freezing up.

It puts out good cold air but it will freeze up at least twice daily. Air conditioners are supposed to cool the inside of your house.