220v to 110v in a controller

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DBCFlash
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220v to 110v in a controller

Post by DBCFlash »

I've built my 220 volt controller and I have a 110 volt fan built in. From everything I've read, there's no proper and safe way to tap 110 off the 220 on a 3 wire line. I've been looking at 220 to 110 volt transformers used to convert overseas 220 for US 110 appliances. As I understand it (and I ain't no expert) European 220 is single phase and U.S. 220 is two phase. Will a converter work to provide 110 volts from my 220 volt controller?


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Re: 220v to 110v in a controller

Post by Expat »

Seems like a difficult way to go about things, if you can't use a 220v circuit with a 4 wire neutral setup, why not just use a nearby regular 110 outlet to power a fan. I mounted my heat sink externally to the controller box, it gets hot but I've never needed a fan.
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Re: 220v to 110v in a controller

Post by Snackson »

You could easily buy a 240v fan and call it a day. Or buy a 12v fan with a power cable that accepts both 110-240v..

http://homedistiller.org/forum/viewtopi ... 7#p7446377
Last edited by Snackson on Mon Jan 30, 2017 4:10 pm, edited 1 time in total.
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Re: 220v to 110v in a controller

Post by StillerBoy »

DBCFlash wrote: I've been looking at 220 to 110 volt transformers used to convert overseas 220 for US 110 appliances.
US appliances are not 110 volts, they are 120 volts.. and yes you can have 120 from 240 in a 3 wire if you are in north america.. and run a 12 volt power adopter for the 12 volt fan..

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Re: 220v to 110v in a controller

Post by DBCFlash »

Snackson wrote:You could easily buy a 240v fan and call it a day. Or buy a 12v fan with a power cable that accepts both 110-240v..

http://homedistiller.org/forum/viewtopi ... 7#p7446377
Jeeze.... Perfect solution. Duh. It never even entered my mind to get. 220v fan.


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Re: 220v to 110v in a controller

Post by Klein »

StillerBoy wrote:
US appliances are not 110 volts, they are 120 volts..
I'm glad someone pointed that out!
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Re: 220v to 110v in a controller

Post by DBCFlash »

110...120...whatever it takes!
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Re: 220v to 110v in a controller

Post by still_stirrin »

DBCFlash wrote:110...120...whatever it takes!
FYI, I found this:
The voltages expressed are just approximate. The most common pairs are 110/220 and 120/240.

Due to line drops, the actual voltage into your home will vary with the distance from the transformer on the pole. It may be several volts above 120 if close, and as low as 107 if some distance away.

Just to cross your eyes further, the actual standard is supposed to be 117/234 VAC.
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Re: 220v to 110v in a controller

Post by Oldvine Zin »

StillerBoy wrote:
.. and yes you can have 120 from 240 in a 3 wire if you are in north america.. and run a 12 volt power adopter for the 12 volt fan..

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Only if it is 3 wire + ground (4 wire) never use the ground wire as a neutral!

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Re: 220v to 110v in a controller

Post by Windy City »

All you need is a transformer and a 12v D.C. Fan.
You can put two hot 120v = 240v in and 12v D.C. will come out
Easy peasy lemon squeezy :D

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Re: 220v to 110v in a controller

Post by DBCFlash »

Just got my 220v fan and replaced the 110v one. Wired it right in and now I have cooling air anytime the controller is on. No transformers, converters or extra plugs necessary. Thanks for the idea Snackson!
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Re: 220v to 110v in a controller

Post by Snackson »

DBCFlash wrote:Just got my 220v fan and replaced the 110v one. Wired it right in and now I have cooling air anytime the controller is on. No transformers, converters or extra plugs necessary. Thanks for the idea Snackson!
Glad to be of help! Post some pictures of that sucker now!
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Re: 220v to 110v in a controller

Post by DBCFlash »

Here you go. It isn't pretty but it does what I need it to do.
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Re: 220v to 110v in a controller

Post by DBCFlash »

still_stirrin wrote:
DBCFlash wrote:110...120...whatever it takes!
FYI, I found this:
The voltages expressed are just approximate. The most common pairs are 110/220 and 120/240.

Due to line drops, the actual voltage into your home will vary with the distance from the transformer on the pole. It may be several volts above 120 if close, and as low as 107 if some distance away.

Just to cross your eyes further, the actual standard is supposed to be 117/234 VAC.
As you can see, my controller is reading 245 volts.
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Re: 220v to 110v in a controller

Post by Yummyrum »

245V ... run ... she's gona blow :ebiggrin:
LOL I see no amps . Now plug it into a nice big element load and I have a sneaking suspicion that due to all the resistance in the line between your wall socket and the closest distribution transformer that that 245 V is going to drop a little .

BTW : Nice job DBC :thumbup:

And to answer your first question should others want to .... yes you can connect a 240-120 ( or 220-110 ) .... even 235.75-117.875) ( if you can get them ) transformer across your two live wires . :wink:
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