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Home Brew Forums > Home Brewing Beer > DIY Projects > Fermenters > Chest freezer glycol system conversion
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Old 03-20-2014, 09:31 PM   #1
gusztavkiss
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Default Chest freezer glycol system conversion

Hi you guys out there

I am planning a 2BBL microbrewery, and I have something in my mind about glycol systems. Instead of buying one expensive glycol system do you think a chest freezer would work? Method is:
1 - buy a chest freezer like this: http://www.ebay.com/itm/Frigidaire-C...-/371026176471
2 - fill it with glycol
3 - hook up an inlet and outlet tube with a pump, put it through the fermentors jacket

It should be able to keep three 500 liter fermentors under 20 °C (68°F), ad bring down one 500 liter fermentor to around 10-8 °C (50°F). Room temp should stay below 26-28.

How does that sound to you?

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Old 03-20-2014, 09:44 PM   #2
datman7890
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A chest freezer does not have enough BTUs. Your better off making a reservoir to hold the glycol and use window AC unit and just submerge the coil in the glycol.

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Old 03-20-2014, 09:50 PM   #3
bajaedition
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Quote:
Originally Posted by gusztavkiss View Post
Hi you guys out there

I am planning a 2BBL microbrewery, and I have something in my mind about glycol systems. Instead of buying one expensive glycol system do you think a chest freezer would work? Method is:
1 - buy a chest freezer like this: http://www.ebay.com/itm/Frigidaire-C...-/371026176471
2 - fill it with glycol
3 - hook up an inlet and outlet tube with a pump, put it through the fermentors jacket

It should be able to keep three 500 liter fermentors under 20 °C (68°F), ad bring down one 500 liter fermentor to around 10-8 °C (50°F). Room temp should stay below 26-28.

How does that sound to you?
Are you familiar with Glycol systems at all, you will not have neither the btu rating or the mechanical transfer available to use a chest freezer to cool the glycol to a level you want to use it
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AH, Does that look right?
let Dave try it.

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Old 03-25-2014, 11:02 AM   #4
gusztavkiss
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I didn't know BTU but I know kJ. I know 3-500 liter of glycol is not capable of chilling down an entire batch of hot brew. I am asking, is the freezer capable of bringing down the glicol (300l in freezer, ~20l in pipes, 100l in jacket) to working temperature, so that it cools down the fermenter from 20°C to 12°C. What do you mean by "mechanical transfer". I was assuming it is a matter of insulation.

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