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Old 07-01-2011, 10:14 PM   #1
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2002 30' Classic S/O
Garden Valley , Idaho
Join Date: Jul 2010
Posts: 1,254
AC Question-

Just wondering if my 2002 Classic AC will run on a 110 plug-in. If that's the only thing I run, will it work? What, if anything else, will also run with 110, and what happens on over-load. Does it blow the breaker in the AS or at the house it is plugged into? Thanks-


2008 F-250 4X4 Lariat V-10
2002 Airstream Classic 30' w/SO #2074
2007 Kubota 900 RTV
1996 Ford Bronco
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Old 07-01-2011, 10:34 PM   #2
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1985 31' Excella
Fresno , Texas
Join Date: Apr 2011
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First thing all of the trailer is 110v. If you have a 12,000 BTU and no extra extension cords it will probably run but its is not recommended. If you have a 15,000 BTU I doubt it will run. I am assuming you are talking about using a adapter and plugging into a 20 amp plug.

If it starts slow turn it off.

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Old 07-01-2011, 11:46 PM   #3
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1972 25' Tradewind
Madison , Wisconsin
Join Date: Apr 2005
Posts: 396
Some air conditioners will run on 15 and 20 am circuits, I have one rated at 12650 btu and it will run fine on a 20 amp. According to the specs it should also run on a 15, but it was getting up there where the starting amps could be iffy. Check your manual or the AC literature, there should be a table that shows the power requirements for starting and for running.

Anything approaching 1500 will need a 30 amp. A 13500 with a hard start capacitor should be able to go on a 20, but check the specs to be certain. Most 13500 should be on a 30 amp circuit.

You could also have an electrician put in a 30 amp service plug and just use an RV converter plug. It is not a difficult task for them and they can put in a weather resistant lock box for the 30 amp service.
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Old 07-02-2011, 07:15 AM   #4
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2009 27' FB Flying Cloud
1991 35' Airstream 350
Siloam Springs , Arkansas
Join Date: Oct 2006
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The biggest thing is to have a heavy gauge extension cord, and keep it as short as possible. The AC runs on a 20-amp beaker in the trailer. 20 amps are 20 amps, so long as you manage the loss in the cord it will work fine.

Electricity is like water, the longer the pipe the more pressure and flow loss. So one uses a larger pipe for long runs.

A 10-gauge cord up to 50 feet should run it fine. Minimize the load on the receptacle you plug into to make sure you are getting the full current.

To run mine, I replaced the 15 amp standard household female plug with a 30 amp RV plug so I could plug the trailer umbilical into it without an adapter. It stopped tripping breakers and measures 120 volts in the trailer, even when starting.

Jeff & Cindy
Hunter RIP

'09 27FB Flying Cloud
'91 350 LE MH
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Old 07-02-2011, 09:07 AM   #5
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2006 23' Safari SE
Dallas , Texas
Join Date: Sep 2010
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We can run our 11k Penguin at the house with adapter and two rv power cords with no problem whatsoever. Longest we have run it is about 8 hours during the sunny day and it has been okay
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Old 07-02-2011, 02:58 PM   #6
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2001 30' Excella
Somerset , New Jersey
Join Date: Jan 2009
Posts: 2,020
I tried running ours on a 20a circuit. It seemed ok and ran for awhile but after some time ( I wan't checking ) it popped off. It was the circuit breaker in the garage that popped and not any in the trailer. So I guess mine needs the 30a to run. I have a generator to try but I have to see if it has a 30a plug to be sure.

Roger in NJ

" Democracy is the worst form of government. Except for all the rest"
Winston Churchill 1948

TAC - NJ 18

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