Hi everyone i m wondering if anyone has experience with diy maintenance on their rooftop ac unit.
Rv rooftop ac freezing up.
It s not unusual for rv ac units to not cool as well after a few years of use.
I believe this is a self inflicted problem caused by leaving the roof vents open while running the a c.
It is possible that your new rv ac is built with a cold switch.
They don t want your air conditioner to freeze up.
That could prevent the ac from working damage the air conditioner or lead to a service or warranty call.
Let s discuss the other issues you might face as well as the remedies.
Depending on the size of your rv you may need to install an additional unit to keep up on hot days.
So there you are on a.
We are strapped for cash at the moment and we live full time in our travel trailer in central texas and our old rooftop ac is freezing up regularly.
It s possible to have other trouble with rv air conditioners as well aside from freezing.
The unit blows hot air.
Brand new rv ac freezing up.
The air conditioner manufacturers have the minimum temperature set in the mid 70s for a reason.
What would cause my air conditioner to freeze up with ice.
This is true with the newer duo therm ac.
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.
If your brand new rv air conditioner is freezing up it isn t going to be dirt etc that is the problem.
Air conditioner capacities are rated primarily by their ability to transfer heat from the inside of your vehicle to the outside air.
It could simply be too hot outside for your ac to keep up.
If the air conditioner in your rv blows hot air instead of cool air you ll want to confirm the compressor is turning on.
We have a 15 kbtu ducted duo therm roof mounted air conditioner on our coach.
The ac unit could be old.
There are several potential causes for the ac not keeping the air cool in your rv.
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.
It puts out good cold air but it will freeze up at least twice daily.
