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Home Brew Forums > Home Brewing Beer > DIY Projects > Fermenters > ebay aquarium temp controller build
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Old 07-19-2010, 05:27 PM   #311
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.1 Degree increments?!!! Oh, you're a civil engineer...that explains a lot.

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Old 07-19-2010, 05:39 PM   #312
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yep...gotta have it perfect

actually it only took 10 minutes to make that.....plugged the formula into excell and printed it as a pdf

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Old 07-24-2010, 03:01 AM   #313
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Default Oops...

So after reading this thread and realizing what a great idea it was, I ordered the wrong controller. The one I received is labeled as "STC200+" from the instructions it seems to be a single stage and the wiring diagram is different. I've attached a link to the instructions it came with. I'm not exactly sure how to wire this up, if anybody wants to tale a look and give me a tip or two it would be greatly appreciated.

http://www.kibnt.com/uploadfile/micr...20020kFmyF.pdf

If it's a lost cause I can always try and order the correct model. I'd just hate to let this go to waste.

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Old 07-24-2010, 04:08 PM   #314
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Single stage wouldn't be a problem if all you want is cooling. A different wiring diagram wouldn't be a problem since we could help you with that.

What is a problem is that this is the 220VAC model, where your normal wall power is 110VAC. I'm sure you could make it work by tapping into a 220 circuit or getting a transformer, but it's going to be far more trouble than it's worth.

The one that everyone's using comes in both 220 and 110 models. I'm not even sure that the instructions that came with it said 110 on them. Got a link to the auction? If you're sure you have a 220 model, see if you can return it.

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Old 07-24-2010, 06:39 PM   #315
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Heres the link to the auction:

Ebay Auction

It said they would send a 110v/220v model depending on where you ordered from, mine was labeled 110 on the box so I'm assuming it is. However the link in my above post is the only documentation it came with and I'm not sure how to wire it.

I don't mind it being single stage, I don't have much reason to heat anything in Florida. The wiring just seamed much more straight forward on the other model but that could just be my ignorance for electricity. Any guidance would be welcomed.

Thanks

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Old 07-24-2010, 11:08 PM   #316
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OK, looks like you have the 110VAC model, then. In that case, wiring this is no different than wiring the other one. 7 and 9 on yours will be the same as 1 and 2 on the other one. 1 and 3 on yours will be the same as 7 and 8 on the other one. Then, of course, 11 and 12 will be for your sensor. Just follow any of the wiring diagrams with these modifications and you should be fine.

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Old 07-25-2010, 03:54 PM   #317
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Thanks Scimmia, that actually makes sense. I'm hoping to have time to wire it up today and I'll let you know how it goes. I'm excited to actually put my chest freezer to use for fermentation. You guys are awesome.

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Old 07-26-2010, 11:07 PM   #318
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so whats the final cost to build one for cooling only? did the thermostats use to be a lot cheaper on ebay?

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Old 07-27-2010, 02:42 AM   #319
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they were no cheaper.

the box is 7 bucks i think
electrical outlet is like 1.99
outlet cover is like .99
ebay temp controller is $35
extension cord is like 6 bucks

Some or a lot of this you may already have at home... making this an even cheaper project.

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Old 07-27-2010, 02:44 AM   #320
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actually i take that back - it used to be 20.99 so it was 5 bucks cheaper.

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