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Old 10-17-2012, 05:21 AM   #1
Pondside
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Oct 2012
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I am converting a fridge into a fermenter box. I am looking for a thermostat that I can buy that can run the fridge compressor and heat source as temperature dictates. I read about a 2 stage johnson controls a-19 that you plug the fridge into one outlet and the heat into the other, but can only find single stage and youtube instructions on how to build heat control yourself. I have been building this thing (homebrewery) for about 10 months, and now I am tired of building and ready to buy plug and play temp control. Suggestions or links apreciated.

Thanks

 
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Old 10-17-2012, 11:19 AM   #2
rekoob
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Quote:
Originally Posted by Pondside View Post
I am converting a fridge into a fermenter box. I am looking for a thermostat that I can buy that can run the fridge compressor and heat source as temperature dictates. I read about a 2 stage johnson controls a-19 that you plug the fridge into one outlet and the heat into the other, but can only find single stage and youtube instructions on how to build heat control yourself. I have been building this thing (homebrewery) for about 10 months, and now I am tired of building and ready to buy plug and play temp control. Suggestions or links apreciated.

Thanks
Ranco temp controller, two stage.
http://morebeer.com/view_product/166...roller_-_Wired

 
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Old 10-17-2012, 12:10 PM   #3
tophmck
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There's also this from rebel brewing (built with the STC-1000):
http://www.rebelbrewer.com/shoppingc...hermostat.html

And here's another option for the ranco:
http://www.etcsupply.com/ranco-etc21...ler-p-110.html

 
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Old 10-17-2012, 12:45 PM   #4
tknice
 
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We are developing one over at BrewGeeks if you can wait. It will be a standalone application that runs on a laptop or computer and talks to modules that turn on/off the cooling and heat source as necessary. It takes wireless temp data using one of these. We aren't selling a kit or anything--just making software to run it. It's all DIY.

The whole deal will be a little more expensive than the ranco controllers because you have to buy two $15 appliance modules and the wireless temp monitor for about $90, but the huge benefit is you can set up a fermentation schedule to begin at say 66deg and rise slowly to 70 over a few days time.

 
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Old 10-17-2012, 01:35 PM   #5
tophmck
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Cool idea, tknice. But it seems like this is an application where you wouldn't want to go wireless. What happens when the battery on the temperature probe fails? Maybe an alarm could go off, but what if you're out of town?

 
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Old 10-17-2012, 01:46 PM   #6
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Quote:
Originally Posted by tophmck View Post
Cool idea, tknice. But it seems like this is an application where you wouldn't want to go wireless. What happens when the battery on the temperature probe fails? Maybe an alarm could go off, but what if you're out of town?
Thanks tophmck.. yeah, we thought the same thing. Here is the webpage for my sensors that I scrape the data from and it has a battery column that I HOPE will change at some point. So far they have all read OK. I'm expecting to see LOW or warning or something soon. http://www.weatherdirect.com/TX60.as...xid=2147901275

I've been using 4 of them for about a year in my ferm chamber build and haven't had to change a battery yet.

 
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Old 10-17-2012, 03:10 PM   #7
tophmck
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Makes sense. If you get notice when the battery is low and the wireless link is solid, I guess it's not really an issue. Great website, by the way!

 
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Old 10-17-2012, 03:29 PM   #8
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Quote:
Originally Posted by tophmck View Post
Makes sense. If you get notice when the battery is low and the wireless link is solid, I guess it's not really an issue. Great website, by the way!
Thanks bud!


 
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Old 10-18-2012, 10:36 PM   #9
ThatGeekGuy
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X-10 appliance modules, nice. Have about half a dozen in my X-10 junk box. The wireless temp sensor seems like overkill. Not the wireless part, but the humidity and air pressure capability.
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