How To Add Refrigerant To A Roof Air On Rv

While it may be tempting to attempt to recharge the freon on your rv s a c when it s blowing warm air you re far better off having a professional address the issue.

How to add refrigerant to a roof air on rv.

Turn the air conditioner on by putting it on the lowest setting possible. Ducted rv air conditioners. Also the roof a c units usually don t use the same coolant as automotive a c unit s. If you can repair that and add refrigerant again you will probably have enough money in it to buy a new unit maybe more.

Step 1 release and lift away the rooftop air conditioner s outer shroud. To put freon in a charging port would have to welded into the system by an expert. Once you see that it does attach the coolant container to the suction tubing and open it up. Read the gauge to make sure you need to top up or recharge.

What refrigerant should be used to recharge the unit. I ve been told it s not possible to add refrigerant to an rv rooftop dometic air conditioner that i will need to buy a new one. Roof mounted rv air conditioners under normal conditions work well and are relatively maintenance free. A ducted rv air conditioner will have multiple ducts or vents in the ceiling.

Owners can get into trouble when older units start to lose their cool. An air conditioner in a rv uses refrigerant to chill air passing over an evaporator coil. Rv air conditioning systems with low refrigerant levels need to have refrigerant added to operate at maximum efficiency. A ducted air conditioning system has a network of ducts throughout the ceiling to distribute the cool air throughout the rv.

These are connected together with sheet metal ducting similar to a house or with flexible foil furnace duct. Attach the manifold gauge to the suction side of the unit this is the large copper tubing.