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