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Old 07-07-2009, 11:45 AM   #1
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bullydogsmom's Avatar
1972 25' Tradewind
old mystic , Connecticut
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AC problem we leave on SAT!!!

Great, we leave on our long planned and much anticipated trip to MT Rushmore on Sat, and the AC is still not acting right, brand new Carrier V low profile 13,500 btu's.

Maybe someone can answer this. The AC cycles from compressor to fan about every 4 to 6 minutes constantly. BUT it you put your fingers on the thermal probe the compressor stays on for as long as you hold on to it or until the temperture drops to about 68-69 degrees.

Any guesses? We have an appointment to take it to a RV repair place tomorrow morning, but was hoping someone here could shed a little light on our problem.


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Old 07-07-2009, 12:30 PM   #2
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Without being there in person, it's hard to say, but I'd start with the basics. What is your power source? Generator or plug-in? Are you sure you have 30amps to power all aspects of your AC?

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Old 07-07-2009, 02:10 PM   #3
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Mello Mike is on the right track I think. When Terry (overlander63) came over to do our A/C install, his had a similar problem because the generator wasn't supplying enough power at only 108 volts. If it's a generator you need one that has a dedicated 30 amp that's not split with the other plugs to share the power. Or if on house power then also a 30 amp dedicated breaker. These things seem to need their own power source with a 30 amp circuit. So needless to say we went out a got a new generator at Costco. It's a Champion 7000/6000 model 40030. It actually has 2 dedicated outlets for 30 amps each with their own breakers, both twistlock, on 3 prong, and one 4 prong type. It also has an additional 4 outlets that share 20 amp breakers (2-20 amp). It was $649. We don't intend on hauling it with to camp with, just to use at home for the AS and for emergency power outages to keep the appliances/lights on. Running a dedicated line from our house power panel was not an option for us. Did you install the A/C yourself, or have it installed? If you had it installed somewhere I'd go and check with them about trouble shooting if the power theory doesn't check out. Hope this helps.

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Old 07-07-2009, 02:47 PM   #4
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we have tried it both on the generator and on the 30 amp circut. Harold checked it under load when the compressor was on it was 119 volts, before the compressor kicked on it was 124 volts.

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