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Author Topic: I got a centrifugal fan - Can anyone provide guidance on wiring?  (Read 2279 times)
mackminer
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July 04, 2011, 10:16:43 PM
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Hi,
I bought this http://www.vortice-export.com/default.aspx?idPage=313&idProdotto=141007&idCartella=71&idInsieme=2079&idTipologia=

Can anyone tell me exactly what these wiring instructions mean?
http://www.mediafire.com/?6zflxjzl7w5yzxz


At the moment I'm thinking N1 - Neutral, L2 - Live. Is this correct and where does the earth (ground) go?

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Schleicher
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July 04, 2011, 10:36:58 PM
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You should probably not do this if you don't know what you are doing.
where does the earth (ground) go?
Look for something like this:


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July 04, 2011, 11:33:30 PM
 #3

Does the manual got text describing those steps or just the pictures?

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July 05, 2011, 12:04:36 AM
 #4

N is neutral, L is the hot-line. This fan doesn't require an earth-ground.

From my understanding, Squares 19 and 20 are showing how to wire it for different fan velocity. 19 is showing maximum vel, and 20 is minimum velocity. 20a is showing how to wire a switch between N1 L3 and 3 to switch between high and low velocity.
mackminer
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July 05, 2011, 03:43:26 AM
 #5

Got this up and running - thanks a mill.

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July 05, 2011, 09:07:24 AM
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As a sparky I disapprove.
As a bitcoin member.... Nice one bro hows that fan working out? Looks epic!

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July 06, 2011, 03:47:27 PM
 #7

good choice on the fan... drum fans are the best bang for buck, the static pressure is ten times better than any bladed fan out there..

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mackminer
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July 07, 2011, 01:34:17 AM
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I'm afraid I just can't keep my rig cool. I've 4 rigs with 3x6990's in each. At the moment I am using the fan above to just blow down recirculated air. I had the input coming from the attic but that didn't make much of a difference. I was using flexible ducting.

I am thinking of feeding the fan above from a sewage pipe from outside or getting a big 24" or 30" inch industrial type blow fan. Again this will be recirculating air as the fan makes it cool when blowing doesn't it?  Huh

Any advice appreciated. Keeping an eye on these temps is a full time job.

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July 07, 2011, 02:01:35 AM
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The key to lower temps is good intake fans pulling air from a cool place.  Depending on your climate, crawlspaces work great in late spring-early fall, with intake from outside during the cold season.  Another alternative for summer would be ducting your house's AC system directly into the case - especially if you can set your AC system to stay on 24/7 (abet at a lower setting so you aren't frozen out of your house). 

Depending on the amount of effort you want to put into it, you could even set up an alternative AC ducting system to pull cold air right from the air conditioner during the cold season as well without this air also entering your house.  But depending on your geography it might just be better to pull in outside air during the colder seasons, or even running your rigs out of a non-insulated building or room.
mackminer
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July 07, 2011, 11:18:36 AM
 #10

Thanks for your reply. Any idea what fan I should use to get cold air in from outside? Can I not just get a huge drum fan to blow air straight down on top of them. Alot of the heat will be able to escape through openings around the door and the roof etc. It's a shed with galvanise type roofing.

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