Mike's Dry Cure Chamber

Walleye1
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Mike's Dry Cure Chamber

Post by Walleye1 » Sun Mar 10, 2013 03:31

I finally got around to building my dry cure cabinet. I picked up this top mount compressor commercial freezer for free. It had a wiring problem so I played around with it until I figured out the problem. Once I had it running I could figure out how I was going to tie in the controls.

I worked with Suyi at Auber some time ago to come up with a controller that could control both adding humidity and dehumidify simultaneously. He has had them on his web site for some time now. Unfortunately it took me a while to find a cabinet and some time to work on it. For the dehumidification cycle I'm using a 3 inch fan mounted on the exterior of the cabinet at the top. I also have an intake vent at the bottom on the opposite side. Both have filters on them.

Both the humidity and temperature controllers have dual display so you can see the set value and actual value at the same time which is nice.

So far I've only ran it empty but it's working quit well. I'm getting temperatures of about a 4 degree swing (2 degrees above and 2 degrees below set point). My humidity stays within about a 6% swing (3% over and 3% Under). The only exception is when the compressor cuts in I will loss about 10 or 15% humidity for about 30 or 40 seconds before it recovers. If it over shoots my dehumidify fan cuts in and reduces the humidity.


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I rewired the fan you see in the cabinet to run while the compressor is running. It was thermostatically controlled but at these temperatures the compressor only runs for about 30 to 40 seconds every 15 to 20 minutes. The fan pulls air in the front and blows it down the back wall. It's a fairly large fan but I was surprised it really doesn't blow that hard which is probably a good thing.

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This is the fan used for dehumidifying. There's a filter on the outside of it.

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I cut a 3 inch hole for the fan and lined it with aluminum.

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This is the intake for the dehumidify cycle. It's a 3 inch hole as well, lined with aluminum with a filter on the exterior.

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Here's the only thing on the interior of the cabinet, just the thermalcouple and the humidity sensor.

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This shows the humidity flowing in through the fitting in the side of the cabinet.

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I modified the humidifier to accept a 3/4 inch hose to pipe the humidity into the cabinet.

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I thought I took more pictures of the wiring but this is the only one I have. With the switch and the plug on the back the boxes are fairly full but work very well.

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You can see on the humidity controller the alarm light (small red light) is on bringing the humidity down.

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Mike
Last edited by Walleye1 on Thu Jan 01, 2015 05:48, edited 1 time in total.
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redzed
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Post by redzed » Sun Mar 10, 2013 16:44

Man, that is one first class unit. Time to load it up and see how the controls are really working!
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Post by cbrace » Sun Mar 10, 2013 17:06

Very impressive! Do you plan to use for warm temperatures (fermenting) as well?
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Post by Walleye1 » Sun Mar 10, 2013 17:51

cbrace wrote:Very impressive! Do you plan to use for warm temperatures (fermenting) as well?
The controller is capable of doing both heating and cooling at the same time but what I will be using is a big 220v watt burner that is PID controlled. It's really my sausage smoker but it will hold low temps within a degree really well. I also felt if a guy was doing mutiple batches at different times you would run into a conflict when you already have something in drying and you want to ferment another batch.

Mike
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Post by Walleye1 » Sun Mar 10, 2013 17:52

redzed wrote:Man, that is one first class unit. Time to load it up and see how the controls are really working!
I'm still waiting for a few supplies. :roll:

Soon... hopefully real soon.

Mike
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Post by tobertuzzi » Mon Mar 11, 2013 04:49

Yeah thats one of the best Ive seen mike

Good work
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Post by unclebuck » Mon Mar 11, 2013 11:58

Looks like another fine piece of Saskatchewan ingenuity!!!!!
"What can't be smoked can't be eaten."
Walleye1
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Post by Walleye1 » Mon Mar 11, 2013 13:18

Thanks for the complements Guys!

I'll keep you posted when I run it through it's paces.

Mike
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Post by Chuckwagon » Wed Mar 13, 2013 09:25

Mike, it's incredible! Nice job pal. I really like how you've got your humidity unit on the outside and "piped in" the moisture. All in all, the project is most professional. Congrats Walleye!

Best Wishes,
Chuckwagon
If it looks like a duck, walks like a duck, and quacks like a duck, it probably needs more time on the grill! :D
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Post by Walleye1 » Wed Mar 13, 2013 13:50

Thanks CW! (AKA Chucky) :mrgreen:

I'm still waiting on an order to get started. As this will be my first shot at dry curing I will definitely keep you guys posted.

I'm like a kid in a candy store right now! Well, more like a kid looking through the window into the candy store! :lol:

Mike
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Post by alhunter63 » Sun Mar 17, 2013 20:43

Nice Job Walleye1, Thats one imoressive unit. Let me know how well it works for you & I might have to attempt to build one of those myself.

Good Luck!
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Post by alhunter63 » Sun Mar 17, 2013 20:46

It was supposed to be impresive but hit the O instead of the P. (thats what happens when you drink too much wine!!)
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Post by JerBear » Tue Mar 19, 2013 02:45

I was going to say the same thing as Chuckwagon. Yours if the first that I've seen with the humidifier piped in and can't figure out why no one's thought of it before. Depending on ambient weather you might have to shorten the hose as you might have issues with condensation.
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Post by Walleye1 » Tue Mar 19, 2013 02:58

Thanks Jerbear & Alhunter63

So far in my testing condensation hasn't been an issue. Any condensation in the tube runs back into the humidifier. Kinda like recycling. :mrgreen:

Mike
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Post by tobertuzzi » Mon Mar 25, 2013 03:52

Hey Mike

Where did you get the boxes for the controllers from?
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