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Old 03-05-2013, 02:31 PM   #1
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Class C Inverter

We just bought a 2011 Jamboree Sport 31 N. The inverter/converter is housed next to the fuse panel and mounted under the queen bed. The inverter/converter fan (assumably there to eliminate over heating) remains on whenever hooked to shore power. Dealer said this is normal, for the fan to remain on all the time. Im not convinced that the fan should always be on. Any ideas? Thank you in advance...

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Old 03-05-2013, 02:40 PM   #2
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I'd suggest you look at the device to find make and model, then look it up on line. Some have fans that only come on as needed, others run continuously. If it isn't supposed to run all the time, perhaps there isn't enough fresh air getting to the unit under the bed. On a converter/charger, they often do shut off when not charging, but inverters often produce heat even when not actually making 120 v. so the fan runs all the time.


Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 03-06-2013, 06:20 PM   #3
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Some low end cheap inverters run the fan constantly. If I had one that operated in such a manner I'd be upgrading it.
Regards, Don
Full Time in a Kustom Koach Class C 28'5", 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, Magnum 3000 watt PSW inverter.
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Old 03-07-2013, 09:43 AM   #4
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thank you

for the responses. It appears that this model is the lower end version and that the fan is designed to stay on all the time while connected to shore power. Makes sense to me but I just dont get why, if that is the case, they would mount it under the main bed. But I now know what the prpobem is so the new inverter has been ordered with a fan that has a temperature gauge.

Thanks again.
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Old 03-07-2013, 11:38 AM   #5
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I have a 2012 Jamboree, my inverter fan only comes on with a load. Does not run all the time.
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Old 03-16-2013, 04:28 PM   #6
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my inverter makes this annoying buzz noise when plugged in. I have older RV with cheap inverter. Some day a new one...
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Old 03-16-2013, 05:30 PM   #7
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My old inverter ran all the time fan quite working. Replaced whole unit old one had 3/4 inches of dust all over. I would guess from the fan constantly on pulling everything into unit. New one cycles actually have to turn on almost all of my lights on to even get that. I thought it was defective at first. OEM was the cheap china one the new one is the lowend from invertors are us but its an exact fit even came with new fuse block and all power is filtered now. Been in for a year with no issues. It's not got any fancy charge wizard but I only have one battery anyway its been holding bat at 13.4 since right after install.
1996 GulfStream Conquest 31feet May 2011
1984 SouthWind 27feet loved for 6 years
1 Wife 6 Kids
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Old 03-17-2013, 07:19 PM   #8
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My 2011 Fleetwood Jamboree 31m doesn't have an inverter.
Mark & Carole
What a long strange trip it's been.

No longer RVing. Happy Trails to you.
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Old 03-18-2013, 06:19 PM   #9
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I don't have an inverter either, I was thinking of the converter.

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