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Old 07-21-2016, 07:20 AM   #1
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Rear A/C unit. Whos done it?

After spending the week at Myrtle Beach in 95 degree temps, Ive decided to break down and do the rear AC. A 15k but simply cant keep up, no matter how early you crank it down in the morning.

My questions are:
1. Where did you buy the unit?
2. Did you seal off the ducting from the front AC or leave it?

I plan on making a cheater box for 50A service so I can run the 30 amp and the additional 20 amp Ill add for the rear AC if the campground doesnt have separate 30/20 connections.
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Old 07-21-2016, 07:35 AM   #2
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Others can help you with A/C sourcing ... since they put a GFCI on power poles in campgrounds ... the old "cheater boxes" we used to make won't work ... trips the GFCI. I've seen a separate extension cord run from the 15 amp plug on the pedistal to a rigged up deal on the RV.
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Old 07-21-2016, 07:40 AM   #3
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Quote:
Originally Posted by cucamelsmd15 View Post
After spending the week at Myrtle Beach in 95 degree temps, Ive decided to break down and do the rear AC. A 15k but simply cant keep up, no matter how early you crank it down in the morning.

My questions are:
1. Where did you buy the unit?
2. Did you seal off the ducting from the front AC or leave it?

I plan on making a cheater box for 50A service so I can run the 30 amp and the additional 20 amp Ill add for the rear AC if the campground doesnt have separate 30/20 connections.
I installed a second ac on our new concord 300ds a few weeks ago. I ordered a Dometic 13,500 btu low pro penguin II off of amazon also had to order inside venting piece separate. I did take rags and block off duct heading to rear of Moho from front ( original) ac. The extra ac made a huge difference , my wife can pull inside temp down to 70 when outside Texas sun is 110. I also cut some reflective double bubble material for sun screen in front windshield and both side windows in front doors.
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Old 07-21-2016, 07:46 AM   #4
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As far as electrical hook up. I ran heavy 15am cord from ac down threw roof and walls and out bottom for its separate hook up. I have 30amp hook up and not going threw the head ache and expense of rolling to 50amp
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Old 07-21-2016, 08:59 AM   #5
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We've had ours home just one day. The new units apparently come w the second AC. Just from the little bit of time inside in Texas heat I can't imagine not having two! And it still took a good bit of time for it to cool off to a comfortable temp in there.
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Old 07-21-2016, 12:51 PM   #6
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I just ordered mine. 13,500 Btu Dometic Brisk Air II with non ducted roof kit. Best price I found was a dealer on eBay. Rvexit I believe. $509 for everything with free shipping. I'm going to run the power towards the tv in to the closet then down the corner into a separate 20amp box next to the factory 30amp.
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Old 07-21-2016, 01:19 PM   #7
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Not done yet, but I've found the best price for the Atwood AC on My12voltstore.com. I plan on going with a ducted AC. I've already cut out the foam outboard to pick up the factor ducts. Then we'll run a 120v line aft to the back wall then over to the closet and down. My first plan is to try to run it off the genset and if it doesn't work, I might figure a way to mount a second Gen maybe in the hydraulic compartment. We'll see.
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Old 07-21-2016, 02:29 PM   #8
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Twin ac's work well in the west Tex sun. 33ft concord
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Old 07-22-2016, 06:05 PM   #9
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Assuming that the rear roof vent is the location? Does that opening provide adequate space for installation?


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Old 07-22-2016, 09:24 PM   #10
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I was thinking of getting on of those AC units that sits inside to work as my 2nd AC.Click image for larger version

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