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Old 12-18-2011, 11:57 PM   #1
canyonbrewer
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Sep 2010
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Hi all -

I've read a few threads on this, but I still can't get it through my thick skull.

I have an "element on" pilot light on my control panel. I only want it to light when both:

A. PID is sending power *AND*
B. Element Relay is closed.

Basically, I want what Kal has.

It is a 120v pilot light. It is getting power from the black 120 output (black is SSR switched) of the element relay and neutral.

The way I have it wired, the light is always on if the Element Relay is closed.

I don't understand how I can fix this.

Do I need to buy a 240v pilot light?

Here is a cheesy picture of my current wiring diagram:



Please help me fix this.

Thanks!

 
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Old 12-19-2011, 12:39 AM   #2
samc
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I'm no electrician but you are feeding it live current at all times and providing neutral so it lights. You need to be on the other side (red in your diagram) to the pilot lamp. I think!

 
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Old 12-19-2011, 12:50 AM   #3
canyonbrewer
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Quote:
Originally Posted by samc View Post
I'm no electrician but you are feeding it live current at all times and providing neutral so it lights. You need to be on the other side (red in your diagram) to the pilot lamp. I think!
thanks sam....but I would think that the opposite of what you said would be true.

in my wiring, the SSR is switching the black 120 on and off. So hence, the light should be off at some points in time...unless the SSR is leaking current.

the red in my diagram is always hot when the relay is closed.

 
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Old 12-19-2011, 01:00 AM   #4
Begin2Brew
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You need to put 240v lights in series with the element. If you look at Kal's panel that is how he has it wired. Your circuit will have a current loop from the hot in to the neutral, exactly how home wiring is done.
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Old 12-19-2011, 01:05 AM   #5
canyonbrewer
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Quote:
Originally Posted by Begin2Brew View Post
You need to put 240v lights in series with the element. If you look at Kal's panel that is how he has it wired. Your circuit will have a current loop from the hot in to the neutral, exactly how home wiring is done.
Thanks Bill...but doesn't Kal have the light wired in parallel with his element?

 
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Old 12-19-2011, 01:15 AM   #6
Begin2Brew
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Quote:
Originally Posted by canyonbrewer View Post
Thanks Bill...but doesn't Kal have the light wired in parallel with his element?
Yes, he does. I stand corrected there, but either way would work.
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Old 12-19-2011, 01:24 AM   #7
EFaden
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It's leakage.
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Old 12-19-2011, 01:34 AM   #8
canyonbrewer
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Quote:
Originally Posted by EFaden View Post
It's leakage.
so...why would a 240v light fix this?

if black hot is leaking current while SSR is "off" and red hot is flowing current as long as the relay is open, wouldn't the 240 light have the same problem?

can someone explain this in detail?

 
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Old 12-19-2011, 01:58 AM   #9
Ajgeo
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Have you tried it with the element plugged in? I use a 120v light. Mine will light from SSR leakage current until I plug in the element.

 
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Old 12-19-2011, 02:02 AM   #10
SimBrew
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Dec 2010
Montréal, Quebec
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Really simple to explain, your 120Y is feeding it in serie with the element.

Fixing it is an other story, you'll have to find a 240V light or put a resitor in serie with your 120v(find the good size) and plug it in parallel with the element on 120Xto element and 120y to element.
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