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Old 05-26-2018, 10:30 AM   #1
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Micro Air easy start

I have seen youtube videos on this, but wandering if any Forest River Rvers have had this installed on their rv say with the dometic 15000 btu unit. I see that 2000 watt generator are suppose to be able to run the Ac with this installed. Anyone out there had it done. Or can anyone suggest size Inverter/generator need to run the 15000 btu unit.
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Old 05-27-2018, 10:19 AM   #2
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The problem is not with running its with starting the AC compressor. The typical AC runs on about 10 amps or 1200 watts but can require up to three times that amount to start. So a generating system that can handle a momentary 3600 watt surge be in the range. I run 2 yamaha's 2000s in parallel and have no problems. I do have a hard start kit on my AC
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Old 05-27-2018, 10:36 PM   #3
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I installed one on my 15k unit. Now able to run ac with generac 2k generators. Haven't tried one. As mentioned the starting current can be over 30 amps, probably closer to 40 for a 15k. A hard start capacitor does not reduce the start current.
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Old 05-27-2018, 10:54 PM   #4
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A search with term microair will pull up a number of threads where people discuss these. One member recently sold a couple that he removed from a trailer he sold. He plans to install new units on his new trailer after the AC warranty expires.
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Old 05-28-2018, 11:11 AM   #5
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Additionally, On the Airstream forum has a long thread where the Easy Starts get discussed. Go over there and read thru this one and some others on that site: Can Generators Run Both AC's While Boondocking.
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Old 05-28-2018, 05:15 PM   #6
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Quote:
Originally Posted by Brewhedd View Post
I installed one on my 15k unit. Now able to run ac with generac 2k generators. Haven't tried one. As mentioned the starting current can be over 30 amps, probably closer to 40 for a 15k. A hard start capacitor does not reduce the start current.
I am able to run my 15k a/c unit on one generac 2k generator in normal mode.
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Old 05-28-2018, 07:13 PM   #7
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I am able to run my 15k a/c unit on one generac 2k generator in normal mode.
I'll have to try that. I assume you have an IQ 2000. I am not impressed with them at all. When running both they start the ac fine. When they slow down after the ac startup surge to the running current they slow too much. This causes the ac blower to slow momentarily. Don't get why this happens.
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Old 05-28-2018, 07:33 PM   #8
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Micro airs are the next best thing to sliced bread. It greatly reduces the stress on the small generators whether they can start the AC or not. Really, they are awesome.
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Old 05-28-2018, 10:15 PM   #9
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My Micro air worked well on my 13.5 ac with my Honda 2000i until I got into 90+ temps at higher altitudes.
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Old 05-29-2018, 11:12 AM   #10
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My Micro air worked well on my 13.5 ac with my Honda 2000i until I got into 90+ temps at higher altitudes.
Not particularly surprising. High altitude decreases the engines power, reducing power output.

Did you put high altitude jets on the generator to compensate?
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