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Old 03-04-2012, 09:17 PM   #1
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1970 31' Sovereign
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Question Air Conditioner replacement advice

I have purchased a Dometic unit to replace the old original Armstrong on my 1970 Soverign. I was reading the forum and am now concerned about the evaporation unit and the man power needed for installation. Do these units have a built in method for getting rid of the water? Looking at the underside of the old unit, it appears to have a drain line, but I don't know yet if that is just the construction of the old unit, or if that line actually leads to some magical hookup in this beast-of-a-camper that drains off the water in some unseen way. Also, I will have two big strong guys, one strong skinny daughter and me (let's not discuss me...) to lift off the old unit and lift on the new unit. Do I need to rent a bucket, or can it be done without a bucket if you have big, strong guys to do the lifting?
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Old 03-04-2012, 11:00 PM   #2
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You live very close to Caswells RV. You can get a pretty good deal on an AC there. You can unfasten the AC very easily. Two big guys can lift the AC out of position....However, now comes the problem area.....getting it off the roof without getting you or the Airstream hurt. If you can rig a hoist to an overhang and pull out from under it is the safest. Build up a sturdy wood ramp, like with a 2 x12 and then slide it off the roof is a way too. The drain you mentioned is the condensation drain....but you can do better when you upgrade,
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Old 03-05-2012, 06:03 AM   #3
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NevaH is the Armstrong still working? If so I would be interested in it, as the Armstrong in this one fried last year. Robin is right - there is a rubber tube line that usually runs off the right side of your house and hangs out below the wheel well for drainage.
Summer time is right around the corner! I myself would use the slide option to getting the AC unit off the top. Good luck Bill
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Old 03-05-2012, 09:40 AM   #4
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Hello,
Yes, it still kicks on and sounds like it is running. I have a friend that works on refrigeration units and he checked it out and said it was out of freon (or whatever it is called ) and that the compressor wasn't circulating. I have bought the new unit and that old one comes off today. I am in Springfield MO. You can e-mail me at nhilton@spsmail.org if you want to work out a way to get the old one.
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Old 03-10-2012, 09:45 PM   #5
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A.C Replacement

Has anyone had any experience wih the newer coleman top mounted fan 15k units? I am interested to know the noise factor inside.

Here is the link

Coleman Air Conditioner on Sale - PPL Motor Homes
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Old 03-11-2012, 05:21 AM   #6
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As far as I know, Dometic is the only one who makes a unit that has an Airstream kit to do the drain. I think Airstream makes a universal pan that will work with different units. From what I am told the there, is a second gasket on the Dometic that raises the unit up enough for a drain assembly to fit under the unit.

Perry
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Old 03-23-2012, 08:54 PM   #7
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There is a way to do it with the new Colemans I just found out. (I had really bad luck with Dometic and wanted the new Coleman this time with the top mounted fan). I will post more when I have further information, but my vintage AS repair guy spoke with Coleman and they have it worked out. More to come.
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Old 03-24-2012, 03:17 PM   #8
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What were your problems with the Dometic?

Perry
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Old 03-25-2012, 03:56 PM   #9
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I had a Motorhome with 2 Dometic Penguin's. Junk! Capacitors went out 2 times. Units went bad twice as well. In just over 3 years replaced both units, fortunately under warranty. High noise levels as well. The new Coleman with the 17" top mounted fan is supposed to be quieter, more efficient, pull more hot air out of the unit and cool better. We'll see, but if you think about it, look at your a/c at home outside. Where is the fan? Top mounted, right? No squirrel wheel, so hopefully this will be better.
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Old 04-18-2012, 09:06 PM   #10
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Just had the Coleman 15k unit installed on the Airstream. Top mounted fac so no squirrel cage. Works great. I have come to accet all a/c's make about the same amount of noise. BUT....Coleman does make a pump system to push the condensation through the drain tube. Works better than gravity like Dometic. (I am NOT a fan of dometic....replaced too many of them)

So if you must replace...Coleman IS an alternative to Dometic and in my opinion, a much better choice.
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Old 04-18-2012, 09:07 PM   #11
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Meant to spell....."top mounted Fan"
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Old 04-25-2012, 02:19 AM   #12
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RV Guy, who put your A/C in in? I am looking for a new one and someone to install it. We are in the Lake Lure area!! Thanks
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Old 04-25-2012, 07:44 AM   #13
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Just on the South Side of Raleigh, Capital City Customs. Dan Matthews is the owner. He does ALL my Airstream work, including the repolising I just had done, all new windows, other repairs and the new a/c. He is an Authorized Airstream Repair Facility. 919-772-3005. Tell him Neil referred you.
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Old 04-25-2012, 10:27 AM   #14
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Check out this thread and my post for removing the unit and getting a new one on the roof.

http://www.airforums.com/forums/f427...tml#post988012

The unit I installed was a Carrier Air V heat pump, no longer available.

Christopher
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