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Old 06-27-2012, 09:45 PM   #1
Craig311
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Default Keezer Temp Stratification. Wow!

Having foam issues with my new keezer and am pretty sure I have the balance correct. So, decided to test the temps. Placed 1 cup of water on the bottom, 1 cup on the hump, and one at tap level and let sit for 24 hours. Temps were 34, 42, and 51! Guess I need a fan!!

Are there any fans I could put in there that wouldn't require any wiring?

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Old 06-27-2012, 10:40 PM   #2
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Quote:
Originally Posted by Craig311 View Post
[...]Are there any fans I could put in there that wouldn't require any wiring?
There are small-ish battery-powered fans on the market, but I doubt they'd run anywhere near long enough to make them viable for keezer service.

I have a home built tower cooler in my keezer (uses a 40mm CPU fan) and now an 80mm fan forcing air into a dryer that also stirs the air in the keezer very nicely. They're both 12VDC, and run off an AC/DC wall-wart located outside the keezer and wired through a grommet I installed in the back edge of the lid. Very small hole (around a 1/4"D iirc) as the wire is around 18 gauge. Not a big to do to install...

Cheers!
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Old 06-27-2012, 11:23 PM   #3
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Hi

To do any good, you need the fan to run continuously. That's going to suck more power than a rational battery will supply. Go with some sort of plug into the wall setup. I happen to like using industrial power supplies and stashing them in the compressor chamber. Others have a lot of luck with wall warts.

Either way, get a couple of good fans. Newegg is a pretty good place to shop for them. Something 120mm or larger and 30 dba or quieter is a good idea. For a "next to my chair" installation, you may want < 20 dba fans.

Bob

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Old 06-27-2012, 11:35 PM   #4
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Thanks for the replies! However, I was a bit unclear with my question. I didn't mean no wire. I meant something that I could just plug in and run the wire into the freezer without having to do any "wiring". I'm a complete idiot with that stuff to the point where I didn't understand a lot of the terminology in your responses. I would need a step by step for anything other than plugging something into the wall.

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Old 06-27-2012, 11:41 PM   #5
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It's pricey, but you can go to radio shack and buy a 12 volt PC fan, and ask them for a power supply, with appropriate adaptor tip. They will sell you a wall wart with a little adaptor that plugs into the fan wires. Probably cost 30.00.

Or you can get the fan, and find an old cell phone charger, and strip the wires and twist them together yourself. If the fan doesn't turn reverse the wires. It's really really simple. Tape up the wires, once you got it right.

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Old 06-27-2012, 11:51 PM   #6
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Hi

You can indeed buy a desk fan that runs on 110V, run the cord through the lid and just plug it in. That puts high voltage in the freezer and I would not recommend you do that.

Alternative:

1) Buy two of these:

http://www.newegg.com/Product/Produc...82E16835242011

2) Buy one of these:

http://www.ebay.com/itm/New-12V-1000...ht_3295wt_1119

3) Get some of this:

http://www.lowes.com/pd_302989-63374...RL=&facetInfo=

4) And a pack of these:

http://www.lowes.com/pd_123065-12704...RL=&facetInfo=

You also may need basic hand tools like a pair of pilers and wire cutters. If so Lowes (and every other big box store) has those as well.

5) chop the "not into the wall" connector off of the wall wart.

6) chop the connectors off of the fans.

7) use the connectors to hook it all together. Black goes to black, red goes to red.

8) Hot melt glue the fans where you want them or to a scrap piece of wood.

9) plug it in and enjoy the breeze.

Yes indeed there are ways to do it all for free if you have the parts already lying around the house...

Bob

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Old 06-28-2012, 12:28 AM   #7
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Thanks again for taking the time to respond! Sounds easy enough and I'm much less intimidated.

Carlisle_bob... I have everything in your post on hand with the exception of the fan. Being impatient and having 2 kegs on tap (and tired of wasting beer to cool the lines for a decent pour)... If I could find a fan locally at a radio shack or pc repair place... Am I right in assuming the following specs would get me where I need to be?...

12V DC
120mm (minimum)
< 30 DB

Also, not sure what the speaker wire is for in your post. Would that be to simply extend the length of the power supply cord if necessary?

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Old 06-28-2012, 11:38 AM   #8
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Quote:
Originally Posted by Craig311 View Post
Thanks again for taking the time to respond! Sounds easy enough and I'm much less intimidated.

Carlisle_bob... I have everything in your post on hand with the exception of the fan. Being impatient and having 2 kegs on tap (and tired of wasting beer to cool the lines for a decent pour)... If I could find a fan locally at a radio shack or pc repair place... Am I right in assuming the following specs would get me where I need to be?...

12V DC
120mm (minimum)
< 30 DB

Also, not sure what the speaker wire is for in your post. Would that be to simply extend the length of the power supply cord if necessary?
Hi

The speaker wire is to get the wall wart DC into the freezer. The cords on them are rarely long enough to make it all the way from the nearest outlet.

Just about any fan that is quiet and moves a reasonable amount of air will do. Newegg gets stuff here next day if I order by 5 for standard shipping. I stopped looking for stuff localy a while ago.

Bob
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Old 06-28-2012, 11:49 AM   #9
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I agree with Bob. Grab a cheap PC fan and use whatever DC power supply (aka wall wart) you have lying around in your junk drawer or tucked behind your computer. Doesn't have to be 12V, I think as long as you're moving the air a little bit you'll be fine. An old cell phone charger at 5V might even be OK, I went with a 9V supply from an old cordless phone system and it works great.

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Old 06-28-2012, 12:21 PM   #10
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Where do people like to place their circulating fans? I have mine lying in one of the baskets that came with the freezer, pointing straight down. However if I get more kegs I will have to get rid of the basket.

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