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Old 05-27-2013, 06:17 PM   #1
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2007 28' International CCD
Austin , Texas
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Weak breaker on Generator

I have a Tsurumi 2900h-dx generator that was purchased to run the air conditioner on a 07 Ocean Breeze. The 18 Amp circuit breaker in the generator keeps flipping when the air conditioner turns on.

Seems like the gen would be strong enough to run the a/c, but the breaker is too small. If that is so, then would a bigger breaker, say, 25 Amps, or possibly some capacitors or something be added to make it work?
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Old 05-27-2013, 07:57 PM   #2
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In looking at the owners manual for this generator, it looks like it contains only diodes and no inverter circuitry. Therefore, the output is most likely a square wave or modified square wave, as opposed to the true sine wave output of RV-type generators (e.g., Honda EU2000i, Yamaha, etc.). Also, there appears to be no circuitry to accurately control the AC (alternating current) voltage or frequency (120 VAC, 60 Hz).

I suspect that this generator is designed to run incandescent lights and power tools; and it may not be suited to power electronic devices (e.g., a converter, inverter, television, etc.), nor an air conditioner. It is highly possible that using it for this purpose may damage those devices.

I suggest you have someone local who is familiar with this generator determine if it is appropriate for RV applications. And, I'd do this before you possibly damage your Airstream appliances.
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Old 05-27-2013, 09:51 PM   #3
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If I'm looking at the right specs, it's rated at 2400 watts continuous, even if you treat nominal voltage as 120 rather than 115 that would require at least a 20A breaker. It seems like the generator is not made properly to put out its rated power if the circuit breaker on the AC output is 18 amps. Can you return it?
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