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Old 07-15-2012, 04:57 PM   #1
callback79
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Default Willhi wiring

Hi,

I'm looking for a very simple way to wire the Willhi temp controller (looks like the STC-1000, but single-stage).

I would like to use a extension cord and cut it down the middle. I've found a diagram on Willhi's website but I can't understand which wire is the hot one and which one is the white one.

I have the 110v version, hope it's the same wiring pattern as the 12v.

Next question, should I just use marettes to split the hot and white wires from the power source ?

Any help is appreciated. Thanks.

willhi.jpg  
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Old 07-15-2012, 05:27 PM   #2
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i found the 220v version, and the wiring is different.

also with you saying "i hope its the same as the 12v" i would search for the 110v version before you try to make any sort of plans. i'll see if i can track anything down

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Old 07-15-2012, 05:47 PM   #3
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Quote:
Originally Posted by Rivenin View Post
also with you saying "i hope its the same as the 12v" i would search for the 110v version before you try to make any sort of plans. i'll see if i can track anything down
On Willhi's website, the owner manual is the same for every WH7016C model (220, 110, 12v and 24v, using the 12v as exemple) but I just found the diagram from another seller and it's the same diagram, 12v replaced by 110v.

I still don't know which wire is the hot one and which is the white one.

Thanks.
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Old 07-15-2012, 06:39 PM   #4
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Hi

The wire in your diagram labeled "12V" is the hot (black) wire. The unlabeled wire is the neutral (white) wire. Of course that's not much help, since the diagram is wrong.

Power (black and white) go to the power input slots on the controller. The relay contacts get the hot (black) on one side and the hot going to the load on the other side of the contacts. The load also gets a white (neutral) wire.

Bob

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Old 07-15-2012, 07:10 PM   #5
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Quote:
Originally Posted by carlisle_bob View Post
Hi

The wire in your diagram labeled "12V" is the hot (black) wire. The unlabeled wire is the neutral (white) wire. Of course that's not much help, since the diagram is wrong.

Power (black and white) go to the power input slots on the controller. The relay contacts get the hot (black) on one side and the hot going to the load on the other side of the contacts. The load also gets a white (neutral) wire.

Bob
The diagram is not wrong. You are reading it wrong. I admit, the diagram is poorly made, but it is not inaccurate.

Treat the words on the left as "to 12 volt load" not as labeling 1 wire as 12V and 1 as Load.
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Old 07-15-2012, 07:33 PM   #6
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Am I correct if i'm interpretting the diagram this way ?

Or should I inverse the black and red (white) wires to set it correctly ?

willhi-guess.jpg  
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Old 07-15-2012, 08:49 PM   #7
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Black for black and red for white works as drawn. Go for it.

Cheers!

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Old 07-15-2012, 10:53 PM   #8
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Quote:
Originally Posted by Huff360 View Post
The diagram is not wrong. You are reading it wrong. I admit, the diagram is poorly made, but it is not inaccurate.

Treat the words on the left as "to 12 volt load" not as labeling 1 wire as 12V and 1 as Load.
Hi

Pardon me for not reading the words that were not there...

Bob
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Old 07-16-2012, 10:25 PM   #9
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This is the post I used to wire mine up...

http://www.homebrewtalk.com/f51/help-needed-337318/

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Old 07-20-2012, 09:54 PM   #10
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Thanks to all, I wired the controller like the on the diagram (Red and black wires) and it works perfectly.

Just want to share, in case it can help someone in the future.

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