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  #1  
Old 01-22-2006, 10:50 PM
TJ Smith TJ Smith is offline
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Furnace control

Has anyone built the heat treat furnace By andrew Gascoigne that are in the tutorials?
What did you end up using for a temperature controler.
Thanks TJ


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Old 02-06-2006, 12:57 PM
andy gascoigne andy gascoigne is offline
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Quote:
Originally Posted by TJ Smith
Has anyone built the heat treat furnace By andrew Gascoigne that are in the tutorials?
What did you end up using for a temperature controler.
Thanks TJ

Hi TJ

Just spotted your question on temperature controler for my HT furnace.

I have built my control based on a Desin BS-1100 digital control. This drives a relay with wide spaced contacts rated at 16 amps. You have to use a slave relay as the relay in the desin is only rated at a few amps.

Here is a link to a site I found using google. scroll down the page and you will find the Desin BS-1100 and a PDF file with all the info.

BTW I got my control of Ebay for arround $40.00 or less.

Hope this helps. If you want more info please shout up..


Best regards

Andy..

http://www.onetemp.com.au/Controllers.htm
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Old 02-11-2006, 11:57 AM
TJ Smith TJ Smith is offline
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Thanks Andy
I bought a control an Aubrins sly on ebay and am trying to figure how to set it up.
Can't get power to the relay. I think it's set up as normally off. So am looking for the right combo to make it normally on. And if that don't work i"ll try the opposite.
All greek to me. I can set the disired temp the T C reads the ambient temp. I just can't get any output to the relay.
Still trying
Take Care
TJ


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Old 02-13-2006, 03:01 AM
andy gascoigne andy gascoigne is offline
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Quote:
Originally Posted by TJ Smith
Thanks Andy
I bought a control an Aubrins sly on ebay and am trying to figure how to set it up.
Can't get power to the relay. I think it's set up as normally off. So am looking for the right combo to make it normally on. And if that don't work i"ll try the opposite.
All greek to me. I can set the disired temp the T C reads the ambient temp. I just can't get any output to the relay.
Still trying
Take Care
TJ

Hi TJ

I might be wrong in how I've interpreted your reply but here goes.

You won't get any power out of the control to power up another relay. The internal relay in your control is only a switch,. you have to use this as a switch to turn on the slave relay coil that then switches your elements.

I'm sorry if i've over simplified this but it's the only way I can explain!!

Hope this helps,

Andy.
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Old 02-19-2006, 11:32 AM
TJ Smith TJ Smith is offline
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Thanks Andy Thats what I came up with. Kinda have to kick myself for not spending another 40 $ and getting one that will ramp.
The one I have shows disired temp and current temp with an alarm that goes of when you reach disired temp. Looks like it will work.
Take Care and Thanks
TJ


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