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Old 08-16-2013, 04:09 PM   #1
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A/C blows breaker w/generator on

Using the generator to power the A/C while driving,
with the outside temp 95-100, the A/C breaker blows
after 15-20 minutes. It is set on low.
2006 Forest River Georgetown; 90 hours on gen; 5500 watt
Guardian gen. The AC works fine hooked up to Alt.current.
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Old 08-16-2013, 04:28 PM   #2
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Do you have a volt meter? Need to check a plug and see how many volts is there with the genny running. It may be running a low voltage and increasing the amps drawn by the A/C and then trips the breaker.
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Old 08-16-2013, 04:32 PM   #3
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I'm a newb I know but based on your description I would think that because your running the A/C while driving the air going across the housing is creating a low pressure area reducing airflow across the evaporator. I would assume that 15-20 minutes of this is causing the unit to freeze up and throw the breaker.

Just my 2 cents.


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Old 08-16-2013, 04:33 PM   #4
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Quote:
Originally Posted by Acableguy06 View Post
Do you have a volt meter? Need to check a plug and see how many volts is there with the genny running. It may be running a low voltage and increasing the amps drawn by the A/C and then trips the breaker.

This is a good thought too... Voltage goes down Amps go up!
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Old 08-16-2013, 05:01 PM   #5
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Generator p[roblem

Actually if the a/c is freezing up, there will be no air flow inside the coach. And if it is freezing up the amps will drop because of no load on the compressor.

Sounds like a generator problem, rather than the a/c

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Old 09-05-2013, 12:12 PM   #6
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generator

Is your power cord heavy enough so you don't get a voltage drop?
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