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Old 09-14-2012, 05:32 PM   #31
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The verdict is in!

Well I picked up my A124 and tried using the Yamaha 2,000 watt generator to power the A/C. It would not do it initially. The dealer where I purchased it suggested I turn off the breakers in the trailer not associated with the A/C. I turned off the middle two breakers and the A/C worked on high and low. I also tried using the heater portion of the A/C slash Heat Pump and that worked as well. I think that the initial problem was when you plug into the generator, all the trailer's systems come on such as the converter and everything else and when the A/C initial surge comes on, it overloads the 2,000 watt generator. The only thing that didn't seem to work with the breakers off was the microwave and the carbon monoxide (C.O.) detector. They were completely de-powered. I have a secondary battery operated carbon monoxide detector so that part of it was not a problem. I will buy a third detector the next time I am at Wally World as I am really paranoid about C.O. poisoning. I have seen too many deaths associated with carbon monoxide. So the answer of will a 2,000 watt generator power the A/C? Yes it will with some qualifiers. Also, the generator will run the A/C in ECO mode... Darn! It might do it with that Dometic Smart Start device and I would be curious to see if it would. Maybe if my money tree starts growing better I can spring for one of the Smart Start units.
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Old 09-14-2012, 05:39 PM   #32
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P.S.
I have also included a picture of my generator and its anti-theft device.
Truth is the german shepherd as spoiled as she is would be inside the trailer with the air conditioner running. I guess I could just let the dog out of the trailer if the A/C stopped running in the middle of the night.

...Four legs running beat two legs running everytime.

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Old 09-14-2012, 06:02 PM   #33
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Anyone have a Hyundai Generator which is half the price of Yamaha and Honda? It looks like in the test the AC is 13500 BTU, this should be no issue for our Aframe:
I'm thinking of getting this for next summer.
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Old 09-15-2012, 09:45 AM   #34
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That Hyundai is loud (65db at rated load, cannot find 1/4 load noise level). I wouldn't want to be camping next to it.

Honda 53 -59 dB.

Yamaha 51.5 - 61 dB.

Conversational speech @ 1M = 60 dB

Vacuum cleaner @ 1M = 70 dB
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Old 03-10-2014, 01:25 PM   #35
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How did you connect your generator to the A124? We just bought a 2014 this past weekend and living in Arizona, A/C will most likely be needed at some point. Also, we're going to try the 2000w since a 3000w seems a bit excessive and heavy for an A-frame.

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Originally Posted by Maranatha View Post
Well I picked up my A124 and tried using the Yamaha 2,000 watt generator to power the A/C. It would not do it initially. The dealer where I purchased it suggested I turn off the breakers in the trailer not associated with the A/C. I turned off the middle two breakers and the A/C worked on high and low. I also tried using the heater portion of the A/C slash Heat Pump and that worked as well. I think that the initial problem was when you plug into the generator, all the trailer's systems come on such as the converter and everything else and when the A/C initial surge comes on, it overloads the 2,000 watt generator. The only thing that didn't seem to work with the breakers off was the microwave and the carbon monoxide (C.O.) detector. They were completely de-powered. I have a secondary battery operated carbon monoxide detector so that part of it was not a problem. I will buy a third detector the next time I am at Wally World as I am really paranoid about C.O. poisoning. I have seen too many deaths associated with carbon monoxide. So the answer of will a 2,000 watt generator power the A/C? Yes it will with some qualifiers. Also, the generator will run the A/C in ECO mode... Darn! It might do it with that Dometic Smart Start device and I would be curious to see if it would. Maybe if my money tree starts growing better I can spring for one of the Smart Start units.
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Old 03-10-2014, 03:00 PM   #36
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Originally Posted by empty_set View Post
How did you connect your generator to the A124? We just bought a 2014 this past weekend and living in Arizona, A/C will most likely be needed at some point. Also, we're going to try the 2000w since a 3000w seems a bit excessive and heavy for an A-frame.
Imo a 2000 will barely run an a/c .
A 2000 only puts out approx. 16 amps

Most roof top a/c's require 18-20 amps to start and pull about 12-14 amps running.
Id hate to be running minimum voltage to my a/c

Jmo

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Old 03-10-2014, 05:36 PM   #37
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Originally Posted by f1100turbo View Post

Most roof top a/c's require 18-20 amps to start and pull about 12-14 amps running.

Jmo

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Cool cats are 9000 BTU Air cons. Unlike the 13,500 or 15,000 roof top AC units.

The Dometic manual has a general recommendation for a 2.8 KW generator to power a camper with a cool cat because other stuff will be in use. Unlike pop ups, you cannot easily separate the cool cat from the rest of the electrical system and plug straight to the generator.
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Old 03-10-2014, 06:16 PM   #38
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I don't think there is added value in running the 2000w generator at its max capacity to barely run the AC.... And still requiring mods to the AC to do so.

If AC really is a requirement, and in some places it certainly is, then I would find it easy to justify the 3000 or 2x 2000 in series. Otherwise you're at your genny's max and also at the highest Db output of the genny.

It doesn't seem like an item to skimp on if AC is that important/essential.

And I would opt for the quietest one I could fine and afford. The construction grade ones I would have concern not just about noise but also continuous duty, weight, durability, etc.
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