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Old 05-29-2016, 10:09 PM   #1
2006 Georgetown 340
 
Join Date: Jul 2014
Location: Troy OH
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Dripping AC....should I be worried?

I was sitting on the couch of our Georgetown 340 and noticed water dripping from the AC on the inside of the coach. I pulled the vent cover and filter off and noticed up inside the A/C is iced over. I went to the bedroom unit and it is clear, I can see the fins and everything inside is dry. Is this an indicator the unit is going bad? Do I need to just let it thaw out?

Thanks in advance....
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Old 05-29-2016, 10:17 PM   #2
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Let it thaw out. Would bet there is alot of humity where you are.
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Old 05-30-2016, 10:42 AM   #3
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Probably just froze because of excess humidity. Could also result from from low freon. If it happens again I'd get it checked out.
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Old 05-30-2016, 02:39 PM   #4
2006 Georgetown 340
 
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I turned it off and in about an hour, it thawed. Yes, we are in a humid area but the strange thing was the bedroom ac was fine. Is there any risk of damage if it happens again and we are not at the camper?

Thanks in advance.
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Old 05-30-2016, 02:48 PM   #5
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Quote:
Originally Posted by compint View Post
I turned it off and in about an hour, it thawed. Yes, we are in a humid area but the strange thing was the bedroom ac was fine. Is there any risk of damage if it happens again and we are not at the camper?

Thanks in advance.
I am not familiar with A/C units outside my own - a Mach-Coleman 15k BTU ducted unit - but I believe all modern A/C units have a freeze sensor that shuts the compressor down if the coils freeze up. This will prevent serious damage to the unit, but you may still end up with water damage issues as well.
Manufacturers recommend running the fan on high and "on" (rather than auto). Also set your thermostat for no more than 15 degrees lower than the outside temperature.
If the freezing persists, you may have a problem with low coolant.
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Old 05-30-2016, 03:24 PM   #6
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Another recent thread that's going on discussed
1. The freeze sensor may have become unattached
2. Making sure to run fan on hi and
3. To not close off any ceiling diffusers to force air to the remaining ones, as this reduces the overall air flow through the AC.
You want to maximize air flow. Some have also suggested opening the vents on the AC unit itself to maximize air flow until you've removed most of the humidity.
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Old 05-31-2016, 12:47 PM   #7
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xxx

Below is some info I copy from earlier post regarding issue, which made sense to me. I set my a\c to high and have not had issue since. If none of the below doesn't work most like need a charge of the stuff they put into the units.

COMMENTS:

They also freeze up if you start with high humidity and not enough airflow. Try opening the cold-air quick-cool vents (the sliding grills around the edges of the ceiling bezel) when you restart after thawing.

Also, open the filter cover and ensure the freeze sensor is properly clipped to the evaporator fins. You can Google for the Airxcel/Coleman-Mach installation manual and search on the word 'freeze' within that PDF.


Pull the ceiling cover or filter cover down , look up inside and you will see a sensor that should be pushed into the finned area. The sensor will , if properly in place , sense temp and shut off compressor if freezing begins. This is for high humidity days. It could be it was not put in place when it was installed at the plant.

High temp and high humidity, run fan on high. The unit will work a lot more efficiently and not ice up. At night when the temp drops turn the fan back to auto. This was a recommendation by a Dometic A/C factory rep.

Hope this help
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Old 06-12-2016, 10:23 PM   #8
2006 Georgetown 340
 
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Thanks for your help!! I think it was a combo of all recommendations. First, the freeze sensor had fallen out of the grille fins and was not detecting. Second, we were in a highly humid area and I am sure this also contributed. Finally, I after cleaning the filter, we've had no other issues.

Thanks again!!
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