Rv Roof Ac Freeze Up

There are four main reasons your air conditioner may freeze up.

Rv roof ac freeze up.

The majority of rv a c freeze ups are caused by low airflow usually due to dirty evaporator or condenser coils. Even in high ambient temperatures. Insufficient airflow across your air conditioner s evaporator coil. If i m correct the a c pulled humid air in from outs.

In all instances every effort is made to ensure the correctness of all content on the rv doctor website. This can also result from running an ac at a sufficiently low temperature for long enough. Skylight moon roof lavatory vents also conspire close those shades. The coils in your air conditioner unit evaporator coils and condenser coils need to be cleaned regularly.

So there you are on a blazing hot day with no air coming out of the vents and no compressor operation. You can prevent this by setting modest thermostat temperatures or 72 75. This is true with the newer duo therm ac. A crow bet that the dealer finds nothing wrong with the ac.

If it fails to open and the temperature is above 69 degrees it needs to be replaced. If either set of coils is dirty the air conditioner needs to work harder to cool the air and transfer heat out of the rv. Once closed it will reopen when the temperature rises to between 61 and 69 degrees f. The way to solve this issue is to simply turn the air conditioner off when you go to bed and open the windows.

It is possible that your new rv ac is built with a cold switch. This freeze control is a thermally activated switch of sorts that closes once the temperature of the evaporator falls below 49 degrees f. Freeze ups can and do happen in high humidity. You are running your air conditioner when the outside air is below 62 degrees.

If you set your thermostat too low the ac is going to blast chilled air which will inevitably lead to over cooling and condensation. Your air conditioner is low on freon. Brand new rv ac freezing up. In many cases freezing up ac is simply the result of a poorly configured thermostat.

I believe this is a self inflicted problem caused by leaving the roof vents open while running the a c. If it fails to open and the temperature is above 69 degrees it needs to be replaced.