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Old 02-09-2013, 04:00 AM   #1
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Default 3 Temp Fermentation Controller 1 chamber

I have the capability to ferment (3) vessels at 11-12 gallons each and I had an idea how to ferment them all three at different temps and with a little brain-storming help from my buddy, this is what I came up with.







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Old 02-09-2013, 04:01 AM   #2
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Old 02-09-2013, 04:02 AM   #3
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As Far as equipment list... here it is.

-(1) 8x8x4dp PVC junction box (electrical supply house)
-(15 ft) 14-3 flexible (electrical supply house)
-(1) Cable stay (electrical supply house)
-(3) STC-1000 controllers (NOVAPCS vendor on eBay is a US reseller with free shipping $21)
-(1) 3 gang "old work" box (box store)
-(3) receptacles (box store)
-(1) plate cover (box store)
-(18) 14 ga pin terminals (eBay)
-(X feet) Red 14 gauge type T90/THWN/THHN wire
-(X feet) Black 14 gauge type T90/THWN/THHN wire
-(X feet) White 14 gauge type T90/THWN/THHN wire
-(X feet) Green 14 gauge type T90/THWN/THHN wire
-(3) Inline 20 Amp rated fuse holders with 10 Amp SLOW BLOW fuses installed.
-(2) 8 place terminal blocks (Radio Shack)
-(2) 8 place terminal joints (Radio Shack)
-(3) Red 120 Volt pilot lights (Radio Shack)
-(3) Green 120 Volt pilot lights (Radio Shack)
-(3) Mono headphone receptacles (Radio Shack)
-(3) Mono headphone plugs (Radio Shack)
-Various shrink-wraps
-Electrical rated Rosin-core Solder
-Soldering iron
-Enough JB Weld to epoxy the terminal blocks onto the old work box.

Most important...
LOTS OF PATIENCE!

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Old 02-09-2013, 04:08 AM   #4
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OK, I get the three controllers, but how does that control temps in one chamber?

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Old 02-09-2013, 04:13 AM   #5
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Quote:
Originally Posted by acidrain View Post
OK, I get the three controllers, but how does that control temps in one chamber?
Agreed. That is a kick-@ss temp controller setup, but what is this magical single chamber you refer to?
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Old 02-09-2013, 04:16 AM   #6
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-Master controller (top) drives the chest freezer (15 cu ft) down to lowest needed temp.
-Slave controllers (bottom two) heat the their respective fermentors with the DIY FermWrap from Reptile Basics . com

Concept has been proven... I lagered a batch of beer while fermenting an Ale (38*F and 62*F respectively)

See this thread for details on my ferm chamber.

It's also linked in my signature line.

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Old 02-09-2013, 05:14 PM   #7
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Really cool builds. I read both threads and it is impressive that you can get that much of a temp difference for ales and lagers! I was glad to see someone else had the same problem I did keeping wires inserted into the STC-1000. I also wound up using pins.

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Old 02-13-2013, 12:58 AM   #8
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Multi temp is definity a hot setup. I have a 2 temp setup but i use the low temp for serving kegs and the high temp for fermenting.

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Old 02-13-2013, 01:45 AM   #9
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Multi temp is definity a hot setup. I have a 2 temp setup but i use the low temp for serving kegs and the high temp for fermenting.
Yeah, I'm really liking it so far. In the future though, I will probably not be holding such a crazy difference in temps. I hope to batch lagers and ales together.
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Old 02-28-2013, 06:17 PM   #10
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Huaco, any way you might lay out a step-by-step guide on this one. I really want to do this but my electrical experience has been limited to changing a couple of bad receptacles and my stc-1000 build. I laughed when I read one of your earlier post about little experience with electrical work and then in a six month span after wiring up your panel you seem completely chill offering up small tidbits on wiring here and there.

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