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Old 08-03-2019, 08:08 PM   #1
Join Date: May 2018
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A/C on and water on roof dripping off

Hi friends, camping in Smithers BC Canada and we finally had some sunshine. We turned on A/C unit and water started to drip from our roof on the outside. Is his normal?
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Old 08-03-2019, 08:10 PM   #2
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Perfectly normal. They do it all the time.
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Old 08-03-2019, 08:14 PM   #3
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Yep totally normal. I keep the camper nose just slightly higher than level so the water runs off the rear gutters.
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Old 08-03-2019, 08:46 PM   #4
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Pulling moisture from the humid air aka “conditioning” the air that’s returned inside the living space.
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Old 08-03-2019, 09:41 PM   #5
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Like SouthCo, I keep the nose a bit high to keep the water running off at the rear. I also let the slide side (left) go a little low so the water doesn't drip near the rear door.
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Old 08-04-2019, 05:21 AM   #6
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On our StarCraft RT14 POPUP we have to be pretty level end to end to allow the access door to open and close freely. I have a bubble gauge next to the bottom of the access door... We would always drop the back side to allow the A/C run off to go to the back of the POPUP and not down on the patio side... I was going to glue down some rubber water flow guides on the roof but never did...

You also want to watch the tightness of the A/C roof mount gasket. The four long screws will sometimes work loose and the run off might run inside your trailer... You want to roof gasket to evenly depressed about 1/4 inch all the way around the mounting hole...

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Running the A/C overnight when it is real humid outside produces a bunch of drain off water haha... Have had my A/C fins freeze over during these times...

Sometimes it is best to turn off the A/C and open up the roof fantastic fan for us... Pulling in cool night air through selected windows is great...

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Old 08-04-2019, 05:31 AM   #7
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Originally Posted by RoyBraddy View Post
Running the A/C overnight when it is real humid outside produces a bunch of drain off water haha... Have had my A/C fins freeze over during these times...
In higher humidity, run the fan on high to prevent freezing.
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