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Old 07-19-2012, 09:50 PM   #1
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Need 2 A/C's?

Until this trip, one question that I had is if you need to have 2 A/C's in the 5th? Well after spending a week in Myrtle Beach (supposed to have a shaded spot but NOT) the answer is YES, probably. Before leaving I was planning on running a test by using only 1 A/C in Myrtle Beach. After the first day, I decided to NOT try the test that there was no way that 1 A/C was going to keep the camper "cold". In fairness, one might have kept the camper comfortable, but no where near very comfortable. So if you're wondering if you "need" to have 2 a/c's, in my opinion is no you don't need to have 2, but you WANT to have 2. If you're ordering a new 5th, go for the second A/C, you'll be glad that you did!
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Old 07-19-2012, 09:59 PM   #2
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Two A/C's are great during these HOT Summer days.

When we stop, we are not always able to get a shady site, two A/C's are a must!!!!
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Old 07-20-2012, 03:12 AM   #3
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Robert would it be possible for you to post a couple of pictures of your 2nd A/C in the bedroom from the roof i'm getting ready to install mine and looking at the installation manual from coleman they say the unit needs to be level from front to back. In order to do that on our pinnacle's it looks like you need to fab up some sort of wedge type of blocking under the A/C to make it level.
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Old 07-20-2012, 07:21 AM   #4
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Mike,

Do not know why Coleman would say that unless it gives them a "Out" so that if the unit is so out of level "Front to Rear" that it causes problems with the unit.

Both our A/C units are not mounted level, the rear living area unit is lower in the back and the front bedroom unit is lower in the front. See Pic

Most A/C units Travel Trailers are mounted level due to the fact Travel Tailers have a "Flat Roof"
Many A/C units on 5th Wheels are not mounted level "Front to Rear" due to many 5th Wheels have sloping roof lines.
Our 05 Eagle 5th Wheel A/C unit was not mounted level "Front to Rear" either.

Looking around the campground we are in this week, I see many 5ers with A/C units not mounted level "Front to Rear"

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Old 07-20-2012, 09:32 AM   #5
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I agree as well I MUST have 2. Our 2012 351 RLTS units are both at an angle. Look at my pictures with the camper hooked to the TV you can see them.
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Old 07-20-2012, 09:38 AM   #6
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Thanks Rob yea i can't figure it out but the install manual says level to 15 deg. nose up is acceptable.
Another quick ? your bedroom A/C is vented just to the bedroom and bathroom correct or is it blocked off in the kitchen..

Thanks Mike
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Old 07-20-2012, 09:43 AM   #7
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Quote:
Originally Posted by MikeNChelle View Post
I agree as well I MUST have 2. Our 2012 351 RLTS units are both at an angle. Look at my pictures with the camper hooked to the TV you can see them.
Interesting you have a full size unit in the bedroom it says we need a low profile unit ( the polar mach units)..

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Old 07-20-2012, 10:09 AM   #8
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Thanks Rob yea i can't figure it out but the install manual says level to 15 deg. nose up is acceptable.
Another quick ? your bedroom A/C is vented just to the bedroom and bathroom correct or is it blocked off in the kitchen..

Thanks Mike
No it is not blocked, so with the rear A/C running you will get a little air flow up front.


The Rear Duct on the Left Side (Street Side) runs the whole length from the back unit to the front unit.
The Rear Duct on the Right Side only goes up to the entry door area and then ends.

Our Front A/C was factory installed but I had freezing up issues with my front unit and had to get creative and add some duct / vents to get better air flow on the front A/C and now have much better cooling up front
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Old 07-20-2012, 10:13 AM   #9
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I have seen Pinnacle's and Eagles with Low Proflie units and Fullsize units installed on the front.

Not sure if the factory is installing the Fullsize units on the front or they were Dealer installed.

The advantage of the low profile on on our Pinnacle is the front is clearance height for the A/C is about same as the bathroom vent, so you do not loose running clearance.
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Old 07-20-2012, 10:26 AM   #10
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Rob the part # that randy at Jayco gave me is for a low profile unit but seeing their Eagle it makes me wonder which way to go. I'm leaning towards the low profile Polar Mach unit just to be on the
same page as the factory. Your bedroom A/C is just vented to the bathroom correct?

Thanks Mike
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