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Old 06-07-2011, 12:20 PM   #11
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I have a chance to pick-up a Honda 3000 and think that it will run my rv and air. Rv has 15 000ac [only one unit on trailer] and a 50amp service with the reducer to 30amp.
Does this sound like a 3000 will run my unit?
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Old 06-07-2011, 02:58 PM   #12
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I have a chance to pick-up a Honda 3000 and think that it will run my rv and air. Rv has 15 000ac [only one unit on trailer] and a 50amp service with the reducer to 30amp.
Does this sound like a 3000 will run my unit?
Should work... but as always you cannot run everything at the same time..
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Old 06-07-2011, 08:19 PM   #13
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Our TT dealer told us that a 3000w generator with 3800w boost (Honda's) would run the A/C but it would burn out the compressor in a few years. He actually told us that if we planned on keeping the camper for more than a few years we should get at least a 4kw genny. He said the compressor on the generator needs a lot of starting juice, and that if it doesn't have enough it takes longer to start. He said the process of taking longer to start would burn it up in a few years. Needless to say, we went with a 4k generator.

Forgot to mention, we have the 15k btu A/C unit
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Old 06-07-2011, 08:55 PM   #14
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Compressor on the generator?? I wonder if anyone has ever written a book on the things RV salespeople tell customers. It would make a great read.
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Old 06-07-2011, 10:28 PM   #15
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I can not see why would not run so I grabbed the 3000 Honda. I used one a couple of years ago and we ran 2 rv's with the 13 500 ac's off of 1 3000Honda.[nothing else on]
I have an older 5000 Honda already but it is way too noisy in a campground.
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Old 06-08-2011, 12:12 AM   #16
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Compressor on the generator?? I wonder if anyone has ever written a book on the things RV salespeople tell customers. It would make a great read.
Uh, methinks you may have misunderstood lovecamping. I'm thinkin' he meant the air conditioner compressor when running on power from the generator, which could make sense. If the starting amps on the air conditioner copressor is higher than the generator is capable of putting out, then voltage will go low and the compressor will have to work harder and longer to get going, causing excessive stress which will eventually reduce the life of the compressor.
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Old 06-08-2011, 07:16 AM   #17
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When a compressor starts. it only draws LRA for less than a second. If the generator is properly tuned and putting out the correct voltage and is at 60 cps, you should not here more than a very quick drop in speed as the AC starts and then should return to normal. The compressor, given that the start components are good, will not labor excessively when it starts. Trying to start two compressors simultaneously would be a different story, but that's a completely different set of operating conditions. Bottom line is that a compressor doesn't start any harder on a good generator than is would on shore power.
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Old 06-08-2011, 08:31 AM   #18
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When a compressor starts. it only draws LRA for less than a second. If the generator is properly tuned and putting out the correct voltage and is at 60 cps, you should not here more than a very quick drop in speed as the AC starts and then should return to normal. The compressor, given that the start components are good, will not labor excessively when it starts. Trying to start two compressors simultaneously would be a different story, but that's a completely different set of operating conditions. Bottom line is that a compressor doesn't start any harder on a good generator than is would on shore power.
Your comment made it seem you were saying that lovecamping had said the salesperson had said the compressor was a part of the generator. Sorry if I misunderstood you.

I didn't say it always made sense. The keys here are "good generator" and "properly tuned and putting out the correct voltage and is at 60 cps." An undersized generastor will not be able to do that.

Btw, (and I admit this is nitpicking) cps (cycles per second) hasn't been used in at least 40 years. It was replaced with Hz (hertz).
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Old 06-08-2011, 08:40 AM   #19
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I guess it depends on what you want to call "undersizeed". A Honda 2KW generator will run an AC if nothing else is online. I have customers that have run 16KBTU ACs for years doing just that. We could go back and forth all day with "what-ifs", but I don't have time to do that. My pointwas that sales people give out a lot of inaccurate information in order to make a sale.

I guess I'm showing my age by saying 60cps. When I talk to my factory people, we we still use the term "60 cycle" when refering to shore power. Either terminology is acceptable but again, I don't have time to nit-pick over that either. Have a nice day.
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Old 08-13-2011, 10:47 PM   #20
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So, finally took delivery of my unit. It did arrive with 50 amp service and had it hooked up at the dealer running on 30amp and everything ran fine. No issue having to alternate A/C’s when needed. Now comes the question of generator choice. I know I need a lot of wattage to run multiple items but is it a waste to have a 6500 Honda/6300 Yamaha, approx 50 amps, when the input plug is only a 30 amp on the generator? Is a parallel of two 3000s with 23 amps for a total of 6000 watts going to be better/enough? The Honda 6500 is too heavy for cargo tray and too big for bed of truck but Yamaha 6300 is 50lbs under the weight capacity of the cargo tray. Suggestions?
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