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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Ranco wiring
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Old 11-30-2007, 02:48 AM   #1
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Default Ranco wiring

I recently bought a Ranco temperature controller off of ebay and need some help wiring the thing up. I'm clueless reading the schematics that came with the thing.

If someone could PM me and walk me through it, I'll take detailed photos of the process and wiki the thing for future electronic noobs!

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Old 11-30-2007, 03:22 AM   #2
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Search this site for Ranco wiring. This question is answered several times.

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Old 11-30-2007, 03:55 AM   #3
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Quote:
Originally Posted by Yuri_Rage
Search this site for Ranco wiring. This question is answered several times.
Thanks. I did do that, but all I found was a variation of, "Search this site for Ranco wiring. This question is answered several times"...... or... "if you don't know how to do it, find someone that does and trade them some homebrew."

I was hoping that someone would PM me and walk me through it and I would take detailed photos and post them so that other complete idiots like myself would have a useful guide.
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Old 11-30-2007, 04:01 AM   #4
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Ranco ETC-111000-000?

picture-3.jpg

120 VAC is the line coming from the wall
120 Volt load is the line going to the device you are controling

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Old 11-30-2007, 04:02 AM   #5
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If you can't follow the schematic, I don't suggest that you attempt to do the wiring yourself. Dealing with AC house current can be quite dangerous if you don't know what you're doing.

I hate to give you another answer you don't want to hear, but please find an electrician or at least a more DIY-savvy guy/girl to help you in person.

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Old 11-30-2007, 04:22 AM   #6
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I apologize. I don't mean to come off as a smart ass in any way, and that's probably how the previous reply I gave sounds. The explanation of what comes from the wall and what goes out helps considerably. That's not explained in the instructions that came with the controller. The connecting lines don't make any sense though.

The schematic you posted is what I have from Ranco. I appreciate that wiring can be dangerous stuff, but I can't believe that it's so difficult that this can't be step by step explained. It can't be any more complex than say, installing a ceiling fan or ceiling light, which is a straight forward simple process that was easily diagrammed in a one page instruction sheet that even I could understand. Is this device considerably more complex? Maybe it is, because I look at the Ranco diagram and think whatthe... I just assumed that the instruction sheet that came with the Ranco was just very very poorly written.

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Old 11-30-2007, 05:20 AM   #7
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Quote:
Originally Posted by Beerrific
Ranco ETC-111000-000?

Attachment 3493

120 VAC is the line coming from the wall
120 Volt load is the line going to the device you are controling
Ok, I had some question when I wired mine up also. I got through it without burning the house down and it still is working like a champ. It is not as bad as you might think.

I start out buy cutting a 3 inch section from a extension cord. I use the three inch piece to get a couple of jumpers. You should use a three inch black and a 3 inch white jumper to do this job properly. O----------------- |------- |----------------E extract the center piece and you will wire the switch with the other two sides. That center piece is not junk it is your jumpers.Peal the ends and away you go.

1st. Your ground - wire it together.(The Ranco is not grounded) If you don't have a ground (green or just straight copper) just bypass this step. I used an orange extension cord 3 prong so it does use ground. I think it is best to as it can support the load of a freezer

2nd your hot lead. The white wire. You will need a 3 inch jumper (white) to do this piece. Connect the white lead (wire from the right side- the a/c "IN")and the jumper to the 120 connection and the other end of the jumper to the "C" screw. Then attach the "Out" hot lead (white wire from the left side - the a/c "OUT") to the BO screw. This is the switch connection. Hot lead here is the one set up for the switch to open and close. aka on/ off

3rd your common connection (Black wire).You will need a 3 inch jumper (Black) to do this piece. Connect your "Out" wire(Left) and "In" wire (Right) together with a small 3 inch jumper. So, Tie all three together with a wire nut. Then screw the other end of the jumper wire into the "COM" screw.

solder and tape all the connections as you deem necessary. Screw it down and plug it in.
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Old 11-30-2007, 05:40 AM   #8
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the black wire is normally the "hot" wire which should go to the 120v screw which would be black or copper colored.

the white wire is normally the common or grounded wire which is normally a silver or green screw

switches should always be opened and closed from the hot side, not the cold side

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Old 11-30-2007, 05:43 AM   #9
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This is why it's a bad idea to get wiring advice over the internet...two conflicting posts side-by-side (bentk and johnsmith above).

WHITE: COMMON

BLACK: HOT

GREEN: GROUND

Generally, DON'T connect the white wire to a green screw. Although common is ground referenced, that tends to be a good way to get shocked.

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Old 11-30-2007, 05:51 AM   #10
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I am electrician and im up with the days but connecting small equipment reallys isnt that hard. This diagram is pretty much standard for anywhere in the US!

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