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Old 07-04-2009, 02:23 PM   #1
EvilGnome6
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Default Just finished my HERMS controller

First post here but I've been scouring these forums for information for the past month and figured it was finally time I showed my face (so to speak).

After just 2 all-grain batches, I knew I wanted to set up a HERMS, so the first step was to build a control box. Basic design considerations was to make it clean, simple and completely self-contained. I also wanted to have the outlets facing away from the mash tun and heat exchanger (the box will be set to the right of both).

Components:

Love TS13010
Project Box
Terminal Strip
Illuminated Rocker Switches
2 Duplex Receptacles (Split)
1 IEC Receptacle
Red, Black and Green 14 AWG solid wire

Started with a wiring diagram:



Once I found a sizable box (Radio Shack has a nice selection), I made all my cutouts using a router bit on my Dremel. Any round holes were done with a step bit. Then I mounted all the components and wired them:



Here is the top view. Love controller on top. The four rocker switches control power to the four outlets. Heater goes to the Heat Exchanger (A 1500W heater element mounted in a 2 Gallon cooler), Access is for any accessories (plug in my radio or whatever I may need in the future), Pump 1 is for the mash recirculation pump and Pump 2 is for the Heat Exchanger agitation pump. The wire coming out of the left side is for the temperature probe which will be mounted in a thermowell at the return point in the mash tun.



The front side shows the outlets for the two pumps:



The right side show the outlet for the Heater and Accessory:



The back side has the IEC receptacle for power in:



I plugged it in and nothing blew up! I tested switching each outlet on and off. I then programmed the Love Controller to heat a few degrees over room temperature. Grabbed the probe and it shut off the outlet once it got to temperature. Once the probe cooled down, it turned it on again. SUCCESS!

Hopefully I can get my brew stand and all the plumbing done for a first try tomorrow.

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Old 07-04-2009, 02:32 PM   #2
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That is gorgeous! Ya did a fantastic job, very clean.

I think this is the next direction for me!

John

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Old 07-04-2009, 02:37 PM   #3
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Thanks! I lost track of how many trips I made to Lowe's and Radio Shack trying to put the thing together. Every step required some new tool or component to get it done.

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Old 07-04-2009, 02:39 PM   #4
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Hmmm... Looks like my images won't show inline because I'm a newbie. Anybody know how many posts it takes before they'll show?

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Old 07-04-2009, 02:56 PM   #5
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Very nice! Some ideas that I may be able to incorporate into mine.

Lol, BobbyM had to show me about pictures, you have to use the "[IMG] link [/IMG]" thingy, in the posting window it is the little yellow box with a mountain in it or you can just add the IMG tags to your links.

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Old 07-04-2009, 03:02 PM   #6
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Quote:
Originally Posted by Pintodave View Post
Lol, BobbyM had to show me about pictures, you have to use the "[IMG] link [/IMG]" thingy
I did. It worked in preview so I have the code right. Reading through this thread (http://www.homebrewtalk.com/f23/why-...thread-124766/), it looks like newbies have some restrictions.
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Old 07-04-2009, 03:05 PM   #7
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What element do you have and at what voltage?

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Old 07-04-2009, 03:36 PM   #8
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Quote:
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What element do you have and at what voltage?
It's a 1500W @ 120V water heater element I picked up a Lowes for under $9. I know that's not enough to do a fast rise when step mashing but the primary purpose is to make small adjustments and maintain consistent temperatures.

It's mounted in the cooler with a Stainless Steel 1" Locknut from Bargain Fittings.



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Old 07-04-2009, 04:58 PM   #9
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Wow, that is a clean looking!

It looks like you soldered the leads to your switches. You may want to consider using female crimp on quick disconnects instead. At high currents the wire could get hot enough for the solder to melt and then you have 110v hanging out in the breeze.

Cant wait to see the final system.

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Old 07-04-2009, 05:35 PM   #10
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What do you estimate the cost was for everything to do with the control box?

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