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Old 06-06-2012, 08:36 PM   #1
bytor2012
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Default Stc-1000 wiring

Just ordered an stc-1000 from eBay and I am trying to figure out how to wire it. Please don't post diagrams... They mean nothing to me! Just need to know what I need for a power supply, how to hook it up, and how to change between hot and cold. I have a Johnson control unit on my keezer and figured that out eventually (so I'm not a total idiot), but that comes prewired.

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Old 06-06-2012, 08:43 PM   #2
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It's much easier to describe it with a diagram, they're not really hard to follow. The reason they make them is because it's so hard to describe how to wire something.

Especially if you're wiring up multiple plugs to it.

People have said that my diagram is actually one of the easiest to understand. I'm going to post it anyway and maybe you can figure it out from there.

Mine is wired up to have one set of sockets always on, so I'm not tying up my wall socket all the time. I can run the vacuum if I want. Then one 2-sided outlet for heater and one 2-sided outlet for cooling.



Where you see a colored wire "Squiggle" over another wire, it means they're not connected to each other, they are just crossing each other.

The black wires are the "hot" wires, and they correspond to the hot side of things including the hot side of the wall sockets.

The red is the white (neutral) wire on the electrical cord used to hook it up to power it.

Green is ground . The green wire is spliced in three places and hooks up to the ground.

(I'm leaving work soon, if noone comes back and walks you through this, I can elaborate more tonight.)

Hopes this helps.

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Old 06-06-2012, 08:47 PM   #3
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Not trying to come off the wrong way, but if you can't wire it up using the diagrams found in the main STC1000 thread, you might want to consider finding someone that can do it for you. Do you have any friends, family or coworkers that are handy with electricity as well as maybe a little fabrication?

It's a very simple circuit and the diagrams are very easy to follow. Take a look at them after your unit arrives and post any questions as you go along.

Edit: That diagram from Revvy is about as clear as it can get. It might look busy but its not that bad. If you don't need an "always on" source for a fan then the left receptacle can be deleted. If you only want a single receptacle each for heat and cool, one of the right receptacles can be deleted along with breaking a tab on the one receptacle remaining and connecting the other hot wire to the other screw.

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Old 06-06-2012, 11:11 PM   #4
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Hi

Ok without diagrams:

Black wire from cord goes to post one. White wire from cord goes to post two. Black wire from cord goes to post five. Black wire from cord goes to post seven. Red wire from post six goes to black wire connection on "heat" socket. Red wire from post eight goes to black wire connection on "cool" socket. White wire from heat socket goes to white wire on cord. White wire from cool socket goes to white wire on cord. Green wire on cord goes to ground lug on cool socket. Green wire on cord goes to ground lug on heat socket.

Heat gizmo plugs into heat socket. Cooling gizmo plugs into cool socket. No settings need to change to take it from heat to cool. If it's below the set point - cutout delta it heats. If it's above the set point it cools.

Much easier with a drawing.

Bob

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Old 06-07-2012, 01:49 PM   #5
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Ok. Maybe my question should've been "what do I use as a power supply?" The only cord it came with I'm assuming is the temp sensor. What do I use to hook the freezer to the unit and the unit to the wall?

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Old 06-07-2012, 02:04 PM   #6
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A lot of us just use a "replacement power tool cord" or even cut apart an extension cord. I usually buy larger that I need, so I can cut a few feet off to use to actually wire it.



Here's a basic parts list....

R62-16252-0WS Leviton 15-Amp White Decora Plus Duplex Outlet (as many as needed)
R52-PJ264-00W Leviton White Midway Nylon Wallplate (As many "gangs" (Slots as needed)
AW62632 Husky 9 Ft. 14-3 Power Tool Replacement Cord
B468R CARLON Electrical Wall Box (As many "gangs" as needed)
20511 Halex No. 20511, 3/8 In. Pack of 5 Twin Screw Clamp Connector
STC 1000 Dual stage temperature Controller w/probe

I based mine on Tom's design...His thread is good, I have only the slightest knowledge of doing this stuff. I can switch out a bad wall socket but that's about it. And I really didn't have trouble doing this.

In fact I just wired one up with only 3 gangs (Not an always on) and did it without a diagram.

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Old 06-07-2012, 05:13 PM   #7
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Quote:
Originally Posted by bytor2012 View Post
Ok. Maybe my question should've been "what do I use as a power supply?" The only cord it came with I'm assuming is the temp sensor. What do I use to hook the freezer to the unit and the unit to the wall?
Hi

The STC-1000 that most of us get runs off of 110 VAC wall power. It hooks to the same cord that powers the freezer.

Bob
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Old 06-07-2012, 08:10 PM   #8
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Thanks, Revvy. This is exactly what I need!

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Old 06-07-2012, 08:46 PM   #9
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Quote:
Originally Posted by carlisle_bob View Post
Hi

The STC-1000 that most of us get runs off of 110 VAC wall power. It hooks to the same cord that powers the freezer.

Bob
This brings up a very important point given th OPs lack of electrical knowledge.

bytor2012
Make sure you purchased the correct STC-1000, marked 110VAC. If it is marked 220VAC or 12V, its not the right one.
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Old 06-07-2012, 09:24 PM   #10
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http://www.homebrewtalk.com/f51/stc-...-build-330427/
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