slackerlack

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I turned a closet into a beer cellar. Any idea how to get it down to 53 degrees? I got a portable AC unit, but it only goes down to 61.

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zeg

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If you mean that its thermostat only goes that far down, you could probably modify it to do the job. One way to do it would be to disable the A/C thermostat and leave it always on, then use an external thermostat (e.g., STC-1000 or Johnson) to monitor the temperature and switch the A/C on and off. Check the current ratings, though. (There are other ways to do it, but that'd be the one that would require the least understanding of the A/C's circuits.)

Another possibility that may or may not be feasible, but would be simpler if it worked, would be to locate the A/C outside the closet, using a duct to pipe its cold air into the closet. Use an external temperature controller to monitor the temperature in the closet and switch the A/C on and off as needed. This will work as long as your temperature outside the closet is > 61°.

oldstyle69

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also depends on the AC...some of them have a screw on the thermo. if turned to the left and or right you can disable it and just run it off of a temp controller.

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Mtn_Brewer

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What they said, or buy a Cool Bot:

http://www.storeitcold.com/

slackerlack

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This is the one I got. I don't think taking the thermostat off and connecting an external controller will help. I say that because it would basically turn the unit off and back on when it needs to cool down. Every time it turns off it looses its settings and would not automatically start cooling.

http://www.amazon.com/Soleus-PE3-10R-03-Conditioner-Multi-Color-Programmable/dp/B008HUTCPE

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Mtn_Brewer

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If you are going to buy a new unit, check out post #16 of this thread for advice on an easy to modify unit:

http://www.homebrewtalk.com/f51/2-tier-2-zone-fermentation-chamber-build-aka-racer-x-377233/

zeg

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Ah, if it's digital then it might be hard to disable the thermostat. Or it might be easy, it depends on how it's put together.

The description on the Amazon page suggests that it should remember its previous settings. Does it not do that?

nickmv

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Probably requires having it still plugged in in order to remember the settings. Kinda like on a car radio -- the car can be off, and will remember the stations, but if you unhook the battery, it loses all settings.

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slackerlack

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I will test it tonight. I was just assuming it wouldn't remember.

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zeg

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I think it should remember. From the product description, emphasis mine: