Automated Glycol Control System Idea - Home Brew Forums

Register Now!
Home Brew Forums > Home Brewing Beer > Automated Brewing Forum > Automated Glycol Control System Idea

Reply
 
Thread Tools
Old 12-20-2013, 09:53 PM   #1
DENBrewer
HBT_LIFETIMESUPPORTER.png
Recipes 
 
Sep 2010
Denver, CO
Posts: 108
Liked 3 Times on 2 Posts



Does anyone who knows electrical systems a little better that me have an idea whether this will work for a glycol control system?

I plan to wrap my fermenters with a copper coil and insulation. I would like to run a glycol loop and have motor actuated ball valves open to allow the flow of glycol through the coil when the temperature controller calls for cooling. Basically, the valve is normally closed and the glycol runs in a loop. When the fermenter temperature reaches a high temp setpoint, the valve opens and allows glycol to cool the fermenter. When it reaches the setpoint temperature, the valve closes.

I am thinking that 12v is better than 120v for this because it would be nice to have low voltage wire to the valve wrapped with the temperature probe going to fermenter from a wall mounted control panel. It seems like a typical temperature controller like this:
http://www.ebay.com/itm/10A-12V-Digi...item27d98a0e63

will work with these motorized ball valves:
http://www.ebay.com/itm/motorized-ba...item3cd9b33a6c

Anyone see any fatal flaws or have ideas for this? Is there a reason not to use 12v equipment?

 
Reply With Quote
Old 12-24-2013, 04:39 AM   #2
kladue
Senior Member
HBT_LIFETIMESUPPORTER.png
Recipes 
 
Dec 2006
Turner, Oregon, Oregon most of the time now
Posts: 2,305
Liked 53 Times on 47 Posts


It is a sound idea, have done the same thing with glass carboys and cooling plate, https://picasaweb.google.com/1102975...34297933178562. The picture is an old one prior to final build. The carboy insulation used was foam rubber inside a vinyl jacket with velcro closures so coil could remain in place and carboy switched out as needed.
Cooling system is a remote water fountain cooler with a modified thermostat and water/ 15% antifreeze mixture.

 
Reply With Quote
Old 01-03-2014, 05:14 PM   #3
jCOSbrew
Recipes 
 
Feb 2012
Colorado Springs, CO
Posts: 624
Liked 38 Times on 34 Posts


I have also seen some people use a SS coil inside the conical. What will you use for adding heat?

FYI, The STC1000 you linked is commonly used for temp control on fermentation chambers, keggerators, and other applications. Should work fine.

 
Reply With Quote
Old 01-17-2014, 06:53 PM   #4
DENBrewer
HBT_LIFETIMESUPPORTER.png
Recipes 
 
Sep 2010
Denver, CO
Posts: 108
Liked 3 Times on 2 Posts


No heating. Just cooling. Thanks for the input guys. DOes anyone have any thoughts or recommendations regarding using 12v dc equipment?

 
Reply With Quote
Old 01-28-2014, 08:30 PM   #5
Bsquared
HBT_LIFETIMESUPPORTER.png
 
Bsquared's Avatar
Recipes 
 
Oct 2006
San Diego
Posts: 1,850
Liked 66 Times on 59 Posts


I have a similar plan, but I have a BCS-460 and a 16 output expansion board that Im going to use, I have 4 Temp inputs to use with the BCS when I'm not brewing so the idea is the temp inputs can moniter fermentations temp, the BCS will control a 3-way Solenoid valve that diverts the coolant from the cooling loop to the cooling coils around the fermenter, and a SSR that controls a brew belt for heating for each fermenter. Right now I have one, but Id like to expand to 4. As for the DC control, I was looking at this 8 relay 12vdc board from the brewtroller's site.

I think if you did not want to go the BCS route Im sure you could set something up from brewtroller that will work.

 
Reply With Quote
Old 01-29-2014, 02:50 PM   #6
Indian_villager
Recipes 
 
Apr 2010
Claymont, Delaware
Posts: 470
Liked 44 Times on 36 Posts


Good plan but the only thing I would suggest would be using 12vac fountain pumps to circulate and have those power cycle instead of a ball valve. So long as you balance your reservoir right you can stop and engage flow without issue. And those pumps can usually be found cheaper than the solenoid valves.

 
Reply With Quote
Old 02-03-2014, 03:35 PM   #7
Woodbrews
HBT_SUPPORTER.png
Recipes 
 
Nov 2013
Arlington, VA
Posts: 249
Liked 25 Times on 20 Posts


Quote:
Originally Posted by Indian_villager View Post
Good plan but the only thing I would suggest would be using 12vac fountain pumps to circulate and have those power cycle instead of a ball valve. So long as you balance your reservoir right you can stop and engage flow without issue. And those pumps can usually be found cheaper than the solenoid valves.
That's exactly what the Cool Zone folks are doing.

I don't see why a roll-your-own version would not work. You certainly could use a STC-1000 in place of one of the temp controllers they use in their kits.

 
Reply With Quote
Old 02-07-2014, 07:25 PM   #8
MooMooBrew
Recipes 
 
Apr 2011
Willow Glen, CA
Posts: 165
Liked 2 Times on 2 Posts


I set this up using FermTroller, same board, different software load. works good, though there isnt much support for it. I have a developer in the wings waiting to help me set up a web portal for the thing to open up more functionality..

 
Reply With Quote


Reply
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Automated HERMS system blackheart Equipment/Sanitation 411 04-20-2016 01:31 PM
Automated volume sensing idea/help MrNatural Automated Brewing Forum 64 08-26-2015 01:34 PM
Advice on automated system for my brewing system Ciderguy Automated Brewing Forum 10 08-09-2012 03:29 AM
Glycol System?? brentt03 Equipment/Sanitation 1 06-28-2012 02:44 AM
Need Help with Glycol System BSBrewer Kegerators & Keezers 1 01-29-2010 05:41 PM


Forum Jump