Second check your rv s owner manual to find out the specific brand of coolant you need top use you can t mix and match.
How to take out an ac unit from rv roof.
If you re comfortable o.
A putty knife will be necessary to remove the exterior of the unit from the sealant holding it to the rv roof.
Use the soft bristle brush of a vacum to remove any dirt or debris.
Fourth get a coolant gauge to measure the level of the coolant inside.
Vacum out the dust.
With high costs to replace and hire someone to maintain your rv s rooftop ac unit it s wise to keep it clean and inspected yourself.
15 min to change out your rv ac unit.
To install an rv air conditioner unit you ll need to remove your existing unit removing the shroud on the exterior and the interior fittings as well.
Spray the coils with a product such as air conditioner coil cleaner.
When lifting away the case take care not to contact the fragile equipment inside.
Third remove the plastic lid guarding the air conditioner lift straight up so you do not damage the coils.
Clean the condenser coils.
Release and lift away the rooftop air conditioner s outer shroud.
Unscrew the bolts and detach the shroud from your air conditioner unit and set it aside.
If an open road rv repair technician or any rvia certified technician tests your system.
Often customers call in requesting ac service because the unit is running but not cooling and assume that like your vehicle these units can simply be re charged with refrigerant.
Camper air conditioning units are closed systems and have no refill point.
Do this by measuring the clearance between the roof of your rv and the air conditioner housing there should be at least half an inch of space between them so if there s less take note.
The shroud will be held in place by a series of fasteners around its lower rim.
Use a screwdriver or socket or wrench as determined by the fasteners used by the manufacturer.