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Old 03-22-2017, 06:20 PM   #1
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Question Three 15k BTU Air Conditioners

Who else has 3 units?
Can you run all 3 units on 50 amp shore power?
The math doesn't add up to be able to do it, but the salesman says... Well we know where that story goes.
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Old 03-22-2017, 06:57 PM   #2
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Should not be a problem at all. Remember 50A service is actually 2 legs of 50A or 100A.

Your power management system should prioritize and shed loads of other equipment to prevent overload - such as the HW tank electric, Dryer, etc before AC, then it will start shedding AC.


We run 3 13500 ACs on 50A service all the time.
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Old 03-22-2017, 07:44 PM   #3
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O. M. G. You mean to tell me the salesman had it right!?!? Thanks Atom, you're atomic!
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Old 03-22-2017, 08:14 PM   #4
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Quote:
Originally Posted by MuddFlap View Post
O. M. G. You mean to tell me the salesman had it right!?!? Thanks Atom, you're atomic!

Not sure he has ever been called that before !
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Old 03-22-2017, 08:43 PM   #5
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Quote:
Originally Posted by MuddFlap View Post
Who else has 3 units?
Can you run all 3 units on 50 amp shore power?
The math doesn't add up to be able to do it, but the salesman says... Well we know where that story goes.
OK Mudd.... Just rub it in!!!!!! All of us out here or lets say 99.8% have only two so when you pull in to the Rally some year we are all going inside yours to cool off.

Steve
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Old 03-22-2017, 09:55 PM   #6
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That's right after they wipe the drool off their mugs after they take a tour of your custom coachwork...........
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Old 03-22-2017, 10:23 PM   #7
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So we just got (what we hope) was a great year-end deal on a new
2016 Redwood 38RD with two units. Are we going to regret not waiting to get a year-end deal on a 2017 model with three units? We traded in our '16 Coachmen Chaparral 338 with two units (15000 & 12500 BTUs) to buy the RW, and we know from experience that the two a/c's on that trailer didn't cut it in Las Vegas in August. If it was 102 outside, it was 82 inside. Will the insulated windows and thicker walls of the Redwood keep us cooler than the Chaparral could in the same conditions?
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Old 03-23-2017, 12:49 AM   #8
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Originally Posted by MuddFlap View Post
O. M. G. You mean to tell me the salesman had it right!?!? Thanks Atom, you're atomic!
hahaha - the salesman probably didn't know at all, but he had a 50-50 chance
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Old 03-23-2017, 02:13 AM   #9
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We have 3 AC units and never had any issues with all 3 running at the same time. I will say that we have only ran all 3 at the same time about 4 times. That was just to cool it down fast as we were returning back to the camper after being away from it for a long period of time.

Salesman is just like a blind squirrel, they find a nut every now and then.
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Old 03-23-2017, 02:54 AM   #10
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Quote:
Originally Posted by Randalf View Post
So we just got (what we hope) was a great year-end deal on a new
2016 Redwood 38RD with two units. Are we going to regret not waiting to get a year-end deal on a 2017 model with three units? We traded in our '16 Coachmen Chaparral 338 with two units (15000 & 12500 BTUs) to buy the RW, and we know from experience that the two a/c's on that trailer didn't cut it in Las Vegas in August. If it was 102 outside, it was 82 inside. Will the insulated windows and thicker walls of the Redwood keep us cooler than the Chaparral could in the same conditions?
I think you will see a difference. I had a 2003 KZ New Vision with the factory insulation upgrade and it did not compare to the RW. I'm in South Texas at 100 + when I got home from work my the 6 ft. shorter KZ with 1 15k unit would be at 84 or higher. In the same location the RW with one unit running the temp would be around 76 degrees in August/September last year.

As a comparison my old 5th had most of the windows facing south (I used bubble foil insulation on those windows.) The RW has the dining area facing north which is a huge plus. It also has awnings on all of the windows I did not use those due to high winds but a pull down solar screen on the rear window was useful during the peak hot season.

Overall I have been pleased with the insulation compared to my old unit.

HTX
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