How To Seal An Roof Top A C Unit

Attach the manifold gauge to the suction side of the unit this is the large copper tubing.

How to seal an roof top a c unit.

When a new unit has been installed it must be properly sealed to prevent leaks. Once you see that it does attach the coolant container to the suction tubing and open it up. The proper way to seal an rv air conditioner is to use a rubber compression gasket placed between the roof of the rv and the air conditioner. Place the new gasket and reassemble the rooftop unit wiring and plastic housing.

Read the gauge to make sure you need to top up or recharge. After you get the air conditioner free from the roof it is time to lower it down off the roof. Once the old gasket is removed and the site is clean place a new gasket over the opening in the roof. Not every unit has these but newer models typically do.

Next position the air conditioner over the gasket and reattach it in reverse order to the rooftop. Addison il august 24 2009 pres on the hvac industry s leader in adhesive gaskets and tapes has introduced a line of contractor grade curb tapes specifically designed to seal roof curbs to a c units preventing rain moisture and dust from damaging their increasingly sensitive electronics. Use a wonder bar or putty knife to pry loose the caulk and or butyl tape that was used to make a watertight seal on the air conditioner. Remove the air conditioning unit placing it on its side and take out the sponge rubber gasket.

Turn the air conditioner on by putting it on the lowest setting possible. Reconnect the wiring harness or use wire nuts to join the wires together. You may also need to reseal an air conditioning unit if it has started to leak. Removing the main unit from the roof.

These are basically sheets of metal which rotate together. The next thing we might find are some dampers.