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BeerTools Discussion Forum • View topic - Immersion Chiller Question

Immersion Chiller Question

Buying, building and using brewing equipment and apparatus. Product reviews and questions.

Moderator: slothrob

Immersion Chiller Question

Postby Legman » Tue Aug 19, 2008 5:58 am

On an immersion chiller, is it more efficient to have the water IN on the top coil or bottom? Or does it matter? :?
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Postby ColoradoBrewer » Tue Aug 19, 2008 9:15 am

In theory it would seem that it should be at the top since that's where the hottest wort would be. But it seems to me that would only apply if the wort is static. But an immersion chiller is much more efficient if the wort, or the chiller, is in motion. I stir the wort with a spoon during cooling and it really speeds things up. So my answer is I don't think really matters much. FWIW, I purchased my chiller from MoreBeer and the inlet is on the bottom.
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countercurrent exchange

Postby slothrob » Tue Aug 19, 2008 8:44 pm

I've always assumed that, by an approximation of , that running the cold water to the bottom (where the cooler water in the kettle should be settling) would be the most efficient. My Northern Brewer immersion chiller is designed to flow into the bottom.

Like CB said, stirring will make the bigger difference.
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Re:countercurrent exchange

Postby Legman » Tue Aug 19, 2008 9:21 pm

This was my first time using a chiller and I went by John Palmer's-How to Brew. And he said the water inlet should be to the top coil. So that's what I did. But it took !@#$ near 45 min. to get it down to about 76F.
I thought that was a little long. And I know there are other factors that need to be taken into account. But it's kinda funny you both said that your chillers that you bought had the water inlet to the bottom coil.
I may have to try that next time and see if that makes a difference.
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countercurrent exchange

Postby bfabre » Tue Aug 19, 2008 10:06 pm

"B"
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Sounds about right to me

Postby ColoradoBrewer » Wed Aug 20, 2008 4:56 am

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Hmmmm

Postby Legman » Wed Aug 20, 2008 5:54 am

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