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08-04-2015, 09:10 AM
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#1
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New Member
Join Date: Aug 2006
Location: Spring Valley
Posts: 8
M.O.C. #6175
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A/C unit dripping inside coach
A/C unit works great except that the condensation drips from the unit and ceiling inside the unit. The drains under the condenser do not seem to be plugged, condensation does exit to the roof & over the edge but am getting a lot of water inside the coach on hot days. Are there other drains that may be plugged?
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08-04-2015, 09:22 AM
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#2
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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You could be getting ice on the fins that is then melting and dripping in. Try running your fan on high instead of Auto.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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08-04-2015, 09:22 AM
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#3
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Montana Master
Join Date: May 2011
Location: Hixson
Posts: 3,436
M.O.C. #11397
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When trying to help others with a problem it is better to have the year and model of the unit.
__________________
2018.5 Montana 3791RD
Full Timers 9/1/2010 through 1/16/2020.
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08-04-2015, 09:26 AM
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#4
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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You did not cite specifics on your rig.. If you have the traditional AC setup, and not the quiet air, it is most likely the gasket between the ac. unit and the roof. From the inside vent/filter, there are four long bolts that often come loose over time and allow water into the unit. Try snugging them up being careful not to over tighten damaging the gasket.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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08-04-2015, 11:16 AM
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#5
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Seasoned Camper
Join Date: Mar 2014
Location: Copperas Cove
Posts: 68
M.O.C. #14165
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If it is on your front air and if it is like mine, in high humidity, I have to run it on medium cool, high fan. Condensation builds up on the inside of the air duct coming down from the top of the unit and drips down onto the lower air dispensing louvers. No way to prevent it but to let it cycle and dry out a bit by running it on medium cool, high fan.
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08-04-2015, 01:30 PM
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#6
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Montana Fan
Join Date: Mar 2015
Location: Mountain Home
Posts: 148
M.O.C. #17188
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On my older SOB that I used to own, I pulled ac cover on roof and had dirt robbers partially blocking drain pan.
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Andy and Nancy Parish
Marlee Claire and Magnolia Caroline
Pomeranian bosses AKA The MCfurries, Big white cat "G"
Mountain Home, Arkansas
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08-04-2015, 05:35 PM
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#7
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Montana Master
Join Date: Jun 2009
Location: Williamston
Posts: 631
M.O.C. #9432
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A clogged air filter will cause this too.
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08-06-2015, 02:55 AM
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#8
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Montana Fan
Join Date: Aug 2011
Location: Livingston
Posts: 131
M.O.C. #11717
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Like 1retired06, two months we noticed water dripping onto our bed from the bedroom A/C. Pulled off the bottom housing and tighten the 4 mounting bolts. That did the trick! No more leak.
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08-06-2015, 06:33 AM
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#9
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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Just a note of caution. On some of the air conditioners the drain holes are on the bottom. If you tighten the four bolts too much, the holes may come in contact with the roof and prevent them from draining. Then the condensation/water can spill over the lip of the pan and drip into the trailer. Some of the Coleman gaskets have little yellow tabs on them that let you know how far to tighten them. (Guess how I found this info out )
__________________
2011 3150RL
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08-06-2015, 09:28 AM
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#10
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Montana Master
Join Date: Dec 2007
Location: Kansas City, Missouri
Posts: 2,707
M.O.C. #7992
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Quote:
quote:Originally posted by drknapp
Just a note of caution. On some of the air conditioners the drain holes are on the bottom. If you tighten the four bolts too much, the holes may come in contact with the roof and prevent them from draining.
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You are exactly right and the bolts don't have to be tightened too much. I resolved it by drilling my own drain holes where the outside lip meets the pan. Think I used 1/2" bit. If you make them much smaller than this debris will clog the hole. Touched the edges of the drilled holes with enamel paint to keep the pan from rusting. Jim
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2006 3000RK
2009 Ram 2500
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