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Old 02-26-2018, 11:25 PM   #1
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A/C Water leaking out of inside vents.

Both of my Atwood a/c units are dripping water out of return vents Has anyone had this issue? 2018 FR3 DS.Click image for larger version

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Old 02-27-2018, 12:34 AM   #2
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Yes, mine also. Cleaned the removable plastic air filter and that helped. I have checked inside and out and cannot find a leak. Only happens when the fan is on high and filter has some restriction.
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Old 02-27-2018, 08:22 AM   #3
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Yes.

Happens to me too. Installed brand new unit, still going on. Indeed restricted airflow and fan on high, the fan will suction the condensation out of the styrofoam drain gutter, that normally funnels the condensation outside and onto the roof. Trying to pitch the rooftop unit with the front slightly higher than the rear will help. Calibrating your Lippert leveling system in a way that the entire bus is slightly pitched towards the back will have the same effect.

In other words, these Atwood units suck.
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Old 02-27-2018, 11:36 AM   #4
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Yes.



Happens to me too. Installed brand new unit, still going on. Indeed restricted airflow and fan on high, the fan will suction the condensation out of the styrofoam drain gutter, that normally funnels the condensation outside and onto the roof. Trying to pitch the rooftop unit with the front slightly higher than the rear will help. Calibrating your Lippert leveling system in a way that the entire bus is slightly pitched towards the back will have the same effect.



In other words, these Atwood units suck.


I agree they suck! I'll give that a try and see if that helps. Thanks
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Old 02-27-2018, 11:37 AM   #5
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Yes, mine also. Cleaned the removable plastic air filter and that helped. I have checked inside and out and cannot find a leak. Only happens when the fan is on high and filter has some restriction.


Thanks!
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Old 02-27-2018, 01:23 PM   #6
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Roof drains are blocked. Drain pans are overflowing. Remove covers and look for blockage.
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Old 02-27-2018, 02:51 PM   #7
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First Action

First remove and clean the air filter. That’s most often the problem.
After that...good luck.
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Old 02-27-2018, 02:57 PM   #8
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AC leak

On my Coleman ac , ( when you remove the inside cover)the long screws that hold the ac to the roof were slightly loose. A few more turns stopped my leak. I believe you don't want to over tighten.
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Old 02-27-2018, 03:04 PM   #9
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Same problem

It turned out to be three things. The ducts can get squeezed. This will not let air flow well on high. The second problem was a cardboard block or shield needed taping to keep warm air from mixing with the cold. The final issue was a sensor to turn AC on and off was miss located. Unit would freeze up then as ice melted it leaked. Three years getting it to stop. Good luck with yours.
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Old 02-27-2018, 04:20 PM   #10
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Wow!

You were lucky to find and correct all that. Thanks for sharing a happy ending.
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