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Old 12-23-2019, 11:46 AM   #71
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We have a 2015 Winnebago Brave 33 ft with 2 AC's and 50 amp. AC's individual thermostats. Can run both on generator also
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Old 12-23-2019, 05:12 PM   #72
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We have a '94 33L Pace Arrow with 50 amp service and dual roof ACs.
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Old 12-23-2019, 05:39 PM   #73
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Originally Posted by twinboat View Post
You do understand that both legs of the power post are 50 amps.
50 amp service isn't 30 and 20 amps, its 50 amps at 240 volts.

You need inlet breakers rated at 30 and 20 amps if your using 10 and 12 gauge wires.

50 amp wiring requires 6 or 8 gauge wiring up to the main 50 amp double breaker in the panel.
I understand. We have the 50 amp shore cable going to small breaker box. One leg of the 50 amp service goes through a 30 amp breaker feeding the original 30 amp panel. The other leg of the 50 amp service goes to a 20 amp breaker feeding the new rear ac. We are not using the full 50 amps on either leg. And, we can only run the front ac on generator power as it’s only a 4000 watt Microlite.
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Old 12-23-2019, 06:23 PM   #74
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I have. 33ft 5ver, with one 15k ducted AC unit. Keeps the temp in the bedroom at 68 in June July in Florida or SE coastal areas. We've had 20 people in the camper for two hours during afternoon thunderstorms and all was good. AC kept up fine.
What was outside temperatures when you were running single unit at 68 degrees sustained? Engineering wise you must have extremely energy motorhome parked in shade with curtains drawn along with high efficiency 15k Cooling unit.

I have been hard pressed to see any MH even with two ACs overcome more than 20 - 25 degrees outside. i.e. if you have 90 degrees outside, I can see that being possible (68*), but when I reference 2 AC a must for me it is to deal with 100 plus degrees, not to mention trying quickly cool down a hot coach because the AC is NOT always running. It could take 4 - 5 hours to cool down a very hot coach with 1 AC. 26k Cooling power is just better than 15k. I have never heard of anyone wanting to take a 2nd unit out, or complaining about having 2 ACs, only those wishing they had 2. But I do agree all don't need 2 ACs; it just depends on where they live. I passed on a few very nice 1 AC coaches, but if I was living up North I could probably manage.
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Old 12-23-2019, 07:17 PM   #75
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Frozen up

get a quote to upgrade from 30 to 50amp and adding A/C. Then buy they 30 you want, negotiating the price down to cover the upgrade. You can do this!
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Old 12-23-2019, 08:53 PM   #76
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2nd AC

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Looking for a used gasser, 30-33 foot range. Wanted smaller but it seems everything below 30 feet only has one AC unit. 30 feet and longer (I want to stay below 33) is a hit and miss for 50amp/2 AC's. Is there any standard length the builders use for switching from 30amp to 50amp? Anyone maybe have a list of unit's in that length that do in fact have 2 AC's/50amp?
You can add a 2nd unit. You can always pull out the fantastic fan in bedroom and drop the 2nd one in and wire it for Shore power. You then would need two receptacles. Using the original 30 amp and the you would have a separate, but additional 20 or 30 amp. Most of the utility posts have at least in 30 and one 20. I see some don’t think you need an addition AC unit, but I had a 32 ‘ class C and in Texas. One is never enough. Maybe up north, but not in the south.
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Old 12-23-2019, 10:00 PM   #77
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2020 Holiday Rambler Admiral/Fleetwood Flair 28A - 29 feet long. Single AC with option for a second, but comes with a 4kW generator and 50 amp service standard.
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Old 12-24-2019, 02:30 PM   #78
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We have a Tiffin BR28 diesel pusher it has two AC units and 50 amp we seldom use the rear AC only in hot days the main unit normally handles all we need.
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Old 12-26-2019, 07:18 PM   #79
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I have a Winnebago 35p. Full wall slide and two other slides. Have a basement air; doesn’t keep up in hot temps. Took fantastic fan out of kitchen ceiling and put in an 15k AC in its place. Works great! Can’t use both with 5500 generator though. Only need to use basement AC while underway.
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Old 01-21-2020, 03:36 PM   #80
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I have a 30 foot Tiffin Allegro 50 amp and it only had one AC. We installed another AC in the back. Some places too hot for only one AC.
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Old 01-22-2020, 06:15 AM   #81
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I AC!

Our first coach was a 33 ft /30’amp. We camped in GA in the summer. It was our first trip. Couldn’t get the temp below 88 inside. We were so bummed. We knew that would not work for us. We immediately traded it for a DP , 2 AC units and air bags. We have never been happier. You can actually talk normally to one another when driving and we can freeze ourselves out if we want. Putting one AC unit in a 33 ft is just cruel.
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Old 01-23-2020, 05:43 AM   #82
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Our first coach was a 33 ft /30’amp. We camped in GA in the summer. It was our first trip. Couldn’t get the temp below 88 inside. We were so bummed. We knew that would not work for us. We immediately traded it for a DP , 2 AC units and air bags. We have never been happier. You can actually talk normally to one another when driving and we can freeze ourselves out if we want. Putting one AC unit in a 33 ft is just cruel.



My 33ft 5th wheel has one 15k unit instead of the stock 13.5 unit. Ours works fine in Florida and NC summer heat.
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