Fifthwheel wiring
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Junior User
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Fifthwheel wiring
Looking at buying a champion duel/fuel generator that camping world has on sale 7500watts. Anyone have any experience with this gen. Also how the 2015 Montana fifthwheel is wired for ACs together or separate. Also the gen is rated 74dba. Is this loud?
Post Fiend
Joined: Apr 2002
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From: Waterloo, Iowa
Loud? Yes. Don't let anybody fool ya. Even the "quiet" ones are loud or at least obnoxious. Generally the less expensive models are louder. The inverter designs will have an "Eco" mode or whatever and can spool down the RPMs when the load is low, that helps a lot.
FTE Leadership Emeritus
Joined: May 2014
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From: Lake Hartwell, GA
A general rule of thumb is that unless the generator is an inverter/generator (Honda, Yamaha, etc) then it will be somewhat loud. There are ways to mitigate the sound, but loud is measured differently for some than others too.
dB ratings below...
Comparitive Examples of Noise Levels | Industrial Noise Control
dB ratings below...
Comparitive Examples of Noise Levels | Industrial Noise Control
Hotshot
Joined: Jan 2010
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From: Bristol, TN.
No sure what you are asking on the ACs. 50 amp box, one AC on each leg
Hotshot
Joined: Jan 2010
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From: Bristol, TN.
If comparing the Champion to the typical small Honda and Yamahas, the difference in decibel levels makes the Champion up to 20 times louder than the quietest models. The ones I see pictured on the Camping World site for that size Champion are contractor model gensets. They are in no way comparable to the more expensive Honda and Yamaha models.
Hotshot
Joined: Jul 2005
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From: Middle Tn.
If comparing the Champion to the typical small Honda and Yamahas, the difference in decibel levels makes the Champion up to 20 times louder than the quietest models. The ones I see pictured on the Camping World site for that size Champion are contractor model gensets. They are in no way comparable to the more expensive Honda and Yamaha models.
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Thanks for the replys everyone. Sounds like a 3800 may be more what is needed. Not sure you can switch from front to rear ACs with a 3800 watt gen set. With 50 amp input I think you have two 110 legs coming to RV. With a 30 amp only one. My guess is each AC runs on one of those legs. Or are the two legs combined after entering RV for one 50amp panel powering all ACs and other items. Thanks again for the help
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Hotshot
Joined: Jan 2010
Posts: 10,060
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From: Bristol, TN.
Thanks for the replys everyone. Sounds like a 3800 may be more what is needed. Not sure you can switch from front to rear ACs with a 3800 watt gen set. With 50 amp input I think you have two 110 legs coming to RV. With a 30 amp only one. My guess is each AC runs on one of those legs. Or are the two legs combined after entering RV for one 50amp panel powering all ACs and other items. Thanks again for the help
Hotshot
Joined: Jul 2005
Posts: 13,834
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From: Middle Tn.
On a fifty amp circuit, you have two hot legs and 50 amps total.. When you use a 30 amp adapter you still have 120 VAC on each leg, but only 30 amps. Both AC units will try to start on a 30-amp adapter, but will likely blow the breaker unless it is really cool outside and the AC units do not amp up in the heat. In many RVs the AC units feed common ductwork so you still get distribution, but limited cooling. I have even had customers who cut the end off their shoreline and wire both legs to a 30-amp plug, but I do not recommend that.
Hotshot
Joined: Jan 2010
Posts: 10,060
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From: Bristol, TN.
One of the real issues there is it can also happen without an adapter. A high draw will melt a 50 amp over a prolonged period of time. I have seen wires melted right out of transfer switches and off of power management boxes. You would expect circuit breakers to stop that from happening, but I think rating have gotten optimistic on quite a few things.
Cargo Master
Joined: Jan 2004
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From: Minnesota
This is approximately 3 TIMES as loud as a Honda. Do your camping neighbors a favor and buy something else.
If you can afford a truck and fifth wheel, you can afford a good generator.
If you can afford a truck and fifth wheel, you can afford a good generator.
FTE Leadership Emeritus
Joined: May 2014
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From: Lake Hartwell, GA
A newcomer generator to the market that has not had its day in the sun to prove itself, but seems like a good contender is the one below.
At 59dB it would be significantly quieter than work site Champion or similar. To compare, the smaller Honda and Yamaha are around 52-53dB, but the Energizer supports quite a bit more power than the smaller options.
At 59dB it would be significantly quieter than work site Champion or similar. To compare, the smaller Honda and Yamaha are around 52-53dB, but the Energizer supports quite a bit more power than the smaller options.
