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Old 07-25-2014, 11:08 AM   #1
SandMShall
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Premier22rbpr Air Conditioner keeps tripping the breaker

We're on our first trip with the TT and most things are going well. Biggest issue is the ac keeps tripping the breaker during the heat of the day. It will run all night with no issues and ran all day during the first two days when it was overcast and raining.

Is this normal?


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Old 07-25-2014, 11:56 AM   #2
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Normal depends on what other electrical use you have. Your RV has a max of 30 Amps, so if you figure 15 for the A/C, 7 or 8 for the converter, 3 or 4 for the refrigerator, you're already up to 25 to 28 Amps. If you have the water heater on electric or if you turn on the microwave, you're pulling about 35 to 38 amps, enough that when the A/C turns back on it will trip the breaker.

Try turning off the electric element on your water heater (use propane) and you should be fine.
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Old 07-25-2014, 02:07 PM   #3
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Old 07-25-2014, 02:21 PM   #4
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Inside the camper. The ac breaker. Sometimes it trips both the ac and the main.
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Old 07-25-2014, 02:29 PM   #5
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Old 07-25-2014, 03:33 PM   #6
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You may be in a campground where there is a significant load and a voltage drop causing the amperage to increase enough to open the A/C circuit breaker. If you have access to a volt meter, you should be reading at least 106 volts at any socket in the RV (preferably 112 - 120). If you're reading below about 103 volts, the campground "grid" is being overloaded and you're not getting adequate voltage.

I use one of these, plugged into a visible socket in the kitchen. If it's not "in the green" I start powering down my trailer.

http://www.campingworld.com/shopping...ge-meter/69127

Plugging into a "low voltage" power source is one of the most common problems in older (or very busy) campgrounds and is a very good reason to consider a voltage power protector/surge guard.
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