Roof a/c leaks when it rains whats the best way to repair?
Silicone any penetrations.
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SOURCE: Coleman Mach roof top ac
Under the drain pan on each side should be a small plastic drain plug they might be clogged up with debris.
SOURCE: ROOF TOP AC UNIT ON COLEMAN POP-UP LEAKS
Does water drip out of unit on the roof while running ? If you look under the unit on the roof, you should see one or two little drains sticking down., that may be plugged up. Piece of wire or something and poke in the holes on the sides of those drains to make sure they're clear. Usually there is a plastic/nylon pan on roof unit to catch that moisture, and drain it off. Could be overflow because of the plugged drains, or I have seen the odd one crack but not too much recently, mostly back 5 yrs ago or so they had a run of them.
SOURCE: roof top a/c freezing up.
i use oven cleaner on outside thoroughly rinse with water carefull not to bend fins inside they sell evaporator cleaner! good luck!!!
SOURCE: seal for roof top ac unit
I just spoke with the mechanic at my RV dealership and he said the sticky side goes on the a/c unit. You only have to turn it on it's side to do this. Just wait 1 hour after re-installing the unit on your RV before turning it on.
SOURCE: Pop up camper-leaking from ac unit when it rains.
Personally I would undo the 4 bolts that hold the upper unit (outside) to lower unit (inside) , then with circuit breaker off & confirmed that no power to it, take cover off for hydro connection, and unhook those wires, and unclip harness from connector to upper unit, to allow for removal of the lower & upper unit, then remove both upper & lower and cover the hole for now until you decide on whether or not your going to fix the roof supports in that area. I'd cut a 16" square piece of painted plywood or fairly stiff aluminum, add a good thick bead of sealant (not silicone, it doesn't last long) to the area where you see the gasket was seated & screw the cover right to the roof for a temporary fix. Make sure you attach screws close to where gasket would be under your cover, (about 1"-1-1/2" in from edge of 16" cover) so that the holes will be covered later when AC unit put back on, by the gasket of the AC unit. Make sure you put maretts back on hydro wires & add some electrical tape over them as well to keep maretts on while traveling for now. Don't know how handy you are, but fixing that over the winter may not be as bad as you think. If you need advice later, get back to me/us.
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