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Old 09-25-2019, 11:26 AM   #41
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Back to the Honda/Easy start thread,

I have a Penguin 2 15k AC with easy start. I currently have the 2800/3100 Champion generator but someone is coming over to buy it today (too heavy).

My question is, you people who are running a 15k AC with easy start and a single Honda 2200, do you shut off your converter (I assume using the cb) and anything else,to get the AC to run?

I ask because when I run the converter and the AC using a 15amp house socket it only runs for a few minutes before tripping the 15amp breaker.

Thanks
I'm beginning to regret selling the Champion.

I just put an ammeter on the hot wire (black) going into the cb for the AC. (connected to a house 15amp outlet)

When the AC first kicks on it goes to 4 amps, then when the compressor comes online it goes to 10, then all the way up to 15 amps in about a minute. At that point I shut off the AC to prevent tripping the house breaker.

So, how is a single Honda 2200 able to power a 15k easy start AC? As I read, the single gen only has a 15 amp cb, correct?

Thanks
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Old 09-25-2019, 11:38 AM   #42
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Hi

The running load on a 2200i 1800W / 15A @ 120V. The running load on a single A/C *can* get up to 17A under unusual conditions. On a 15,000 BTU it is not uncommon to see it a bit above 15A. You can also see it down around 13A under other conditions. Just why the load varies that much gets into all the odd things it may or may not be doing in this or that mode.

Pretty much *anything* that adds an AC load to the circuit can push the numbers past the 2200's ratings. Just how far you can go past those ratings ( = how conservative are they) is unknown. What the ratings are at 10,000 feet is also a bit of an unknown if you camp at that altitude. Same thing in terms of 120F and 20F ...gas vs propane ....

The converter and the fridge are the two typical things that sort of sneak up on you in terms of AC loads. It's pretty easy to forget them when the rest of the crew is "mentioning" just how hot it is

Bob
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Old 09-25-2019, 12:18 PM   #43
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MicroAir did some testing back before the 2200, when there was just the 2000. I had a similar Yamaha and it would not run the A/C. What MicroAir discovered is that the electronics on the Honda let it run over rating and the voltage did not collapse like it did on the Yamaha. I switched to Honda, a 2000, and indeed it does run the A/C with an EasyStart. In any event, the overcurrent was not enough to trip the generator breaker on the Yamaha, the voltage collapse triggered the EasyStart protection.
Larry
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Old 09-25-2019, 12:51 PM   #44
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Hi

Given the wide range of currents these A/C units can pull when running, simply checking to see if "it works" is not a guarantee that it will work in all cases. That's not to say that you *will* have a problem, only that you may be depending on your generator to be more than a little better than the specs say it should be.

For whatever it's worth, AS rates both the 13,500 and the15,000 BTU A/C as pulling 16A in their write-ups. From watching the display on my EMS, there most certainly *is* a range as the unit goes through both heat pump and air conditioning modes.

Bob
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Old 09-25-2019, 01:15 PM   #45
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In air conditioning mode, the compressor draws more current when the refrigerant pressure goes up. The pressure goes up when it is hotter outside. I believe that is the major contributor to variation in current draw.

Al
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Old 09-25-2019, 01:24 PM   #46
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Honda EU2200i

Admittedly, I was aware of all the variables around A/C compressor draw. Thatís why I chose the 3400 watt Champion. It gives me a lot of margin, and can deliver all the current my 22 footer can use.

We were out in 90+ degree weather on the last trip, up to 5,000 feet altitude, and the big Champion worked fine. Even in Ďeconomyí mode it barely grunted when the compressor cycled on. Canít hear the generator over the air conditioner noise inside the Airstream at all...

Yeah, itís heavy to lift. Once itís in the truck bed, I can run it there with just a propane hose to the A-frame quick disconnect fitting I added. OEM power cord is just long enough to reach as well.

Overkill sometimes works out just fine...
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Old 09-25-2019, 01:47 PM   #47
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From Micro-Air

"Hello Matt,

Typical running currents for 15kbtu A/C units is in the neighborhood of 14-16 amps, varying with manufactures and speaks to the poster’s issue. Adding any loads will definitely come close to popping 15A breakers. For your Honda, we’ve measuring in house that they can give you their peak rating for extended periods of time and as such recommend them whenever possible. 2200 watts translates to ~18 amps of headroom (at sea level!) and is plenty to simply run a normally operating A/C unit.

Best,
Nick"
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Old 09-25-2019, 03:29 PM   #48
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Originally Posted by mattRox View Post
From Micro-Air

"Hello Matt,

Typical running currents for 15kbtu A/C units is in the neighborhood of 14-16 amps, varying with manufactures and speaks to the posterís issue. Adding any loads will definitely come close to popping 15A breakers. For your Honda, weíve measuring in house that they can give you their peak rating for extended periods of time and as such recommend them whenever possible. 2200 watts translates to ~18 amps of headroom (at sea level!) and is plenty to simply run a normally operating A/C unit.

Best,
Nick"

Thanks for sharing, Matt.
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Old 09-26-2019, 06:00 PM   #49
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Hi

Indeed some generators *can* run at peak for 10 or 20 minutes. How long often depends on temperature.

If it's hot out and I only have one AC unit .... it will run for *hours*.

Just how hard the AC works is a function of both humidity and temperature. As either one goes up it becomes harder to do the cooling job.

Bob
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Old 10-07-2019, 03:26 PM   #50
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The 30amp plug on the companion model doesn't fit the standard RV 30amp cord, right? I only need the one generator, so if I need an adapter for either one, why should I buy the companion model?

Thanks,
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Old 10-08-2019, 01:52 PM   #51
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The 30amp plug on the companion model doesn't fit the standard RV 30amp cord, right? I only need the one generator, so if I need an adapter for either one, why should I buy the companion model?,
Yes, I was wondering the same thing. Not sure what the extra $ affords us.
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Old 10-08-2019, 02:42 PM   #52
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No need. Some people like the 30 amp plug buys itís not necessary for one. For two in parallel itís worth so it can carry the AC load safely using the shore power cord.
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Old 10-11-2019, 06:06 PM   #53
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The 30amp plug on the companion model doesn't fit the standard RV 30amp cord, right? I only need the one generator, so if I need an adapter for either one, why should I buy the companion model?

Thanks,


You are correct.Either will work.Only difference is with the companion you adapter will twist in and lock vs a standard 110volt plug on the solo.
I carry both as I like to run more than just my ac at times.
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