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Old 07-27-2016, 07:50 AM   #1
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Cool How do you hookup generator(s) to AS with 50-amp service?

Just wondering.

How do you connect a 50-amp AS to a generator or two?

The 2017 Classic Owner's Manual electrical schematic shows no remote generator connection point.

There must be a way to get power to the A/C when not docked.

Just wondering .....
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Old 07-27-2016, 08:09 AM   #2
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You can buy a 30 amp to 50 amp cord, they are smaller and easier to handle, got a blue one, all weather, off amazon....
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Old 07-27-2016, 08:16 AM   #3
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Plug into your trailer AC inlet using a plug adaptor available at any RV store or wallyworld.
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Old 07-27-2016, 11:40 AM   #4
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Originally Posted by DaytonaDan View Post
Just wondering.

How do you connect a 50-amp AS to a generator or two?

The 2017 Classic Owner's Manual electrical schematic shows no remote generator connection point.

There must be a way to get power to the A/C when not docked.

Just wondering .....
I have the twin air conditioners and the 50a service.

As noted upthread, you have two obvious choices. One is that you can get a 50a-to-30a cord, that fits the Marinco inlet in your trailer, and ends in a standard 30a 125v cord. I have one. It's useful not only for generators but for the many situations where 50a service isn't available at the pedestal or we don't need it. The 30a cord is much lighter, cheaper, and easier to handle, compared to the 50a cord.

You can also get a 50a to 30a "dogbone" adapter.

Finally, if your generator has a twist lock connector you can make a custom cord specifically for the purpose, so you don't need adapters, and so you can size the cord to fit your situation.
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Old 07-27-2016, 02:38 PM   #5
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So-
There is no portable generator or connection big enough to get 50 amp service from a generator or pair of generators and run both a/c units?
The only option is to use 30 amp service and 1 a/c unit?
I'm sure the onboard generators in Class A motorhomes and fifth wheels will put out 50 amps and run both a/c units or maybe even 3 a/c units with a transfer switch.
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Old 07-27-2016, 03:20 PM   #6
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We have a 2016 Serenity with dual A/Cs (50 amp). We have 2 Honda 3000i Handi's which we connect using a parallel cord and then we use a 50/30 dogbone to connect to Airstream. We just used them and they worked great. We either had the 2 running all day long, or we used one in the evening and then used other appliances. No problem. We usually had to refill gas every 7-8 hours.
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Old 08-04-2016, 03:43 PM   #7
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We have a 2016 Serenity with dual A/Cs (50 amp). We have 2 Honda 3000i Handi's which we connect using a parallel cord and then we use a 50/30 dogbone to connect to Airstream. We just used them and they worked great. We either had the 2 running all day long, or we used one in the evening and then used other appliances. No problem. We usually had to refill gas every 7-8 hours.
We also have dual A/Cs (2016 30); have focused on purchasing a pair of 2000w to place in tandem and run one A/C unit. Looking at larger gensets, such as the 3000i noted above, but even to 6kw gensets they list 30A outlets. How do you get the 30A from the dual 3000's to to 50A inlet on the AS?

Also, are we being silly expecting to run both A/C units while dry camping?
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Old 08-04-2016, 04:15 PM   #8
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A 50 amp generator would be a darn big unit.
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Old 08-04-2016, 04:41 PM   #9
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I'm still thinking there is no way to haul around a generator big enough to run both a/c units on a 50 amp trailer.
Can someone confirm or deny?
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Old 08-04-2016, 06:09 PM   #10
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I'm still thinking there is no way to haul around a generator big enough to run both a/c units on a 50 amp trailer.
Can someone confirm or deny?
You would need around an 11kw generator to produce 50amp which wouldn't be very portable.

That said you shouldn't need that much for 2 ACs if you use them wisely.
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Old 08-04-2016, 06:58 PM   #11
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Theoretically you could do it with a 5000w generator, which wouldn't necessarily be huge, but you can't find one with a 50 amp plug until you get in the 7500w range. The smallest I could find measures about 27" lxwxh and weighs 213 lbs empty.

It does have wheels!!!
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Old 08-04-2016, 06:59 PM   #12
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No issues using a Honda EU3000iHandi to run the 15,000BTU A/C. The Honda weighs around 70 lbs, has integral wheels and easy to put in the back of the truck. When I'm running the A/C, though, I obviously am not using other heavy electrical consumers -- like the microwave. I use a 30amp to 50amp dog bone. No issues.
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Old 08-04-2016, 08:28 PM   #13
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I would not think you could run both a/c units simultaneously.
Run either one or the other one at a time?


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Old 08-04-2016, 09:24 PM   #14
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See post #6
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