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Old 04-05-2010, 04:07 PM   #15
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Range Hood-Vent Group,
Does anyone know if there are available replacement "switches" for the new style Baraldi Swing Pro hoods that would change the fan & light switches from just ON/OFF to be able to control the fan rpm's and dim the 2 halogen lights?
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Old 04-05-2010, 04:46 PM   #16
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Regarding the fan voltage in 67 Airstream. Tom's statement is not entirely accurate. The factory rangehood fan in my 67 caravel runs on 12v DC and 19 v AC. The 67 Caravels (at least according to the owner' manual and my personal experience) did not have a true univolt system. Instead when connected to shore power, a step down transformer converted 110 v AC to 12v AC and 19v AC (or there abouts can't remember the exact voltage but it was more than 12v). The 12v AC tap ran the lights and the 19v AC tap ran the fan in the range hood and the overhead vent. Not sure if it also ran the water pump since the original had been replaced when I bought the trailer and the replacement pump did not like AC. I seem to recall a post by Inland Andy several years back explaining that electric motors designed to run on both AC and DC current require a higher AC voltage to operate properly.
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Old 10-22-2012, 08:10 PM   #17
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TKNELLE
I installed a Motor PWM controller to try to quiet the fan, it would quiet the fan, but the motor started buzzing since some motors don't like PWM's. I ended up pulling it out. I switched my G4 halogen lights to warm white LED's and I don't have a need for a dimmer anymore. I like the look of the Ranghood, but other than that I don't like this unit at all. Fan is noisy, switches are hard to operate (especially with wet hands while cooking and the switches break easily. I have another idea on quieting the fan that I might try.
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Old 10-22-2012, 08:20 PM   #18
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You must use a PWM "dimmer" or speed control for electric motors with a high frequency. 18,000 - 20,000 hZ. (I think it's hertz, brain fart.) I experimented with this for my furnace fan. High frequency is outside the range of human hearing.....and doesn't bother my dog either.
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Old 10-23-2012, 10:42 AM   #19
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solarjames,
Thanks for the comments. I contacted the US distributor for the Baraldi Swing Pro hoods regarding the topic of slide type dimmer / fan motor rpm control switches & got no help. Suggested he contact the Italian manufacture on topic - no response in over two years.
He did tell me the fans are quiet at about 56db sound level -- yea right. That would make the fan quieter than my Honda Handi 3kw generator!
Let us know regarding your other "idea".
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TKNELLE
Alamo, CA
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Old 02-21-2013, 12:21 PM   #20
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Hmmm. If Airstream thought a range hood was so absolutely essential, they shouldn't have installed the curbside awning over the exterior vent for the range hood when they built our 1985 Classic 345 MH.

Since our pristine range hood is inoperable, we're always careful to at least crack a window when using the stovetop. We also don't cook anything indoors that's likely to permeate drapes, upholstery. etc. with strong cooking odors.

Art
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Old 02-21-2013, 01:17 PM   #21
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Quote:
Originally Posted by windfallsp View Post
Hmmm. If Airstream thought a range hood was so absolutely essential, they shouldn't have installed the curbside awning over the exterior vent for the range hood when they built our 1985 Classic 345 MH.

Since our pristine range hood is inoperable, we're always careful to at least crack a window when using the stovetop. We also don't cook anything indoors that's likely to permeate drapes, upholstery. etc. with strong cooking odors.

Art
But, if Airstream installed it on the raod side, the same issue would prevail, since many owners install roadside awnings as well.

Andy
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Old 02-22-2013, 06:48 AM   #22
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Originally Posted by Inland RV Center, In View Post
But, if Airstream installed it on the raod side, the same issue would prevail, since many owners install roadside awnings as well.

Andy
Andy ~

In the Classic 345, the stove is on the curbside. (The stove moves to the roadside on the shorter models.) The problem is not where the vent is located, lt's where the awning] was mounted.

The location of the awning shroud physically prevents the exterior vent cover from opening. The stove vent motor works fine (and why not? it's never been used!), but it has no way to evacuate the air to the exterior. This, of course, makes it utterly useless as a range hood.

Take a close look at photos of 1985 345s and you'll observe that some awnings are properly mounted above the awning shroud, but some -- like ours -- have the awning mounted low enough to cover the upper edge of the vent cover, preventing the cover from opening.

As we say around here, "It's an Airstream thing." <g>

Art
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Old 02-22-2013, 03:01 PM   #23
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My two cents worth - fix it so you have it if you need it.

Actually, if you have ever been in a house that did NOT use a vent hood over their stove, you will usually see signs of the cooking on the ceiling. The cabinets over my cooktop in my house were gummy when we bought the house because the previous owners did not use the vent. Also, there was a ceiling fan (like your fans in the Airstreams) which moved around the cooktop's hot air and we had a nice greasy looking circle on the ceiling. As for our Airstream, whose cooktop vent fan is not working currently, the ceiling has that same feel to it as I have been cleaning it since we bought it. Just a little sticky all over.

I tend to side with Andy in that there is a reason it was put into an Airstream which is the same reason they were put into home kitchens. On our Argosy we just sold, we always used that noisy vent fan and it opened fine underneath our beautiful ZipDee awning. It was noisy but it took care of all of those smells and moisture that comes from cooking.

Just my 2cents worth.
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Old 01-17-2014, 12:17 AM   #24
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slowing the fan speed

My other idea worked, I bought a DC to DC converter and slowed down the speed of the fan that way. It is made by meanwell around $45, there is an adjustment screw on the meanwell, when I adjust it you can run the fan at any speed you want. It is not good for constantly adjusting, I am going to put a by-pass switch inline so I can give it either full volts or adjusted volts. I forget the part number, 12-25 SD or something???

Quote:
Originally Posted by TKNELLE View Post
solarjames,
Thanks for the comments. I contacted the US distributor for the Baraldi Swing Pro hoods regarding the topic of slide type dimmer / fan motor rpm control switches & got no help. Suggested he contact the Italian manufacture on topic - no response in over two years.
He did tell me the fans are quiet at about 56db sound level -- yea right. That would make the fan quieter than my Honda Handi 3kw generator!
Let us know regarding your other "idea".
Regards,
TKNELLE
Alamo, CA
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Old 04-06-2015, 11:30 PM   #25
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KayaKampers makes a valid point: Without a range hood...the huge amount of humidity created by cooking remains in the coach... Not good.

Get a range hood and vent fan and USE IT, IMO.
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