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Glycol Chiller

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Slyde24

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Hey Guys,

Any idea why this is happening to the glycol chiller?

Any suggestions on how to fix?

Icemaster 100 series.

Thanks in advance
 

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Vale71

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What's the temperature setpoint? What's the glycol to water ratio?
 

jddevinn

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Looks like the tubing is freezing condensate from the air. Is there enough glycol that the cooling tubes are covered?
 
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Slyde24

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Here comes the fun part.

Inherited this system at a Nano brewery. Last brewer was fired and have no idea what he did...

I think that there is not enough solution and the coils are not covered completely.

Temperature is set to -4C
 
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Slyde24

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The owners also said its been a while since they've ordered glycol, so not even sure if there is glycol in it or what the ratio is.
 

Vale71

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You can use a refractometer to determine the current glycol percentage to see how much you should add unless you want to go for a complete drain and replace just to be safe.


At -4°C you really shouldn't be getting any ice, there's probably very little glycol in there and that's compounded by the coils not being fully submerged.
 

Vale71

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That's a little less than 15% glycol which should place your freezing temp at slightly below -4°C. I'd say you've found your issue. 👍
 

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