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Old 05-19-2009, 10:44 PM   #1
airbalancer
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I put in an exhaust fan for my eherms rig this weekend after dealing with the steam from by first brew using a bunch of window fans. Its an inline fan from Vortex purchased on Ebay. Its a six inch model rated for 449 CFM. For the ductwork I used 6" PVC drainage pipe. It works well becaust all the fittings are gasketed so you just slap it together and hang it. I do need to find something better for the hood, I just grabbed a square to round adapter at HD for now. Im also going to get a cap for the end that I can just take on and off as needed.
Mike



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Old 05-19-2009, 11:15 PM   #2
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I hope you have a good way to get fresh air in there!!!!!!!!
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Old 05-19-2009, 11:49 PM   #3
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And maybe a screen or some type of cover for the exhaust outside. I wouldn't want anything crawling in there and making a home.
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Old 05-20-2009, 06:13 AM   #4
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how do you plan on adding fresh air? I'm working on mine and only have 3x50 cfm exhause don't know if ireally need to add are but at 450 wow

 
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Old 05-20-2009, 09:05 PM   #5
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I just open a window for fresh air, usually upstairs, keeps the air flowing through the house, the smell down, and the wife happy. 450 CFM is really not much anyway.
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Old 05-29-2009, 05:53 PM   #6
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Just received my VTX600 Vortex fan (449CFM) as well an hour ago. I was surprised however to read the following right on the fan:

"Suitable for dry locations only. Not for use in kitchens."

Now the no kitchens comment I understand since it's not for grease, but dry locations only? That means you can't use it as a bathroom ceiling fan either I would imagine which is pretty much exactly as we want to do here no?

Kal

 
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Old 05-29-2009, 06:26 PM   #7
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You might want to add a drain for the condensation somewhere like the lowest point before the fan, it looks like a pretty long run and may cool enough to condense before it goes out? Unless it is sloping down toward the kettle and you want it to just drip back in.

 
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Old 05-29-2009, 08:56 PM   #8
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Kal I'm sure its labeled that way because the fan housing is two piece and not waterproof. I havent had any dripping yet. Plus yours over a sink
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Old 06-12-2009, 08:32 PM   #9
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Quote:
Originally Posted by airbalancer View Post
Kal I'm sure its labeled that way because the fan housing is two piece and not waterproof. I havent had any dripping yet. Plus yours over a sink
Used to be over the sink... The Vortex fan is bigger than I thought so there's really no way to use my rinse arm with the fan there, so I'm going to exhause out my second hole to give me more room.

I posted this in a different thread but may as well post here too:

The Vortex VTX600 in-line 6" duct fan comes with a regular power cord so I build my own speed control for it using a regular 600W wall light dimmer and other spare parts that I had. Looks like this:



The slide control sets the speed, the switch underneath turns it on/off, and the fan plugs into either outlet on the right. Simple.

It works, but it causes the fan motor to emit a low buzz any time the speed's not at 100%. When I measure the output of the dimmer with a voltmeter it's always putting out 115VAC so I take it it's simply chopping off part of the AC sine wave like explained here: HowStuffWorks "How Dimmer Switches Work"

It's not actually changing the output voltage which makes sense as that's more $$$.

So the question is are fan speed controls the same as light dimmers like this? Is the slight buzzing ok for the motor?

Kal

 
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Old 06-12-2009, 08:47 PM   #10
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Have you determined that you actually need to slow the fan down. I see you reducing to 4" after the fan, that should slow it down a bit.
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