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Old 4th May 2005, 06:36 AM   #1
needlz is offline needlz  United States
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Default Transformer wiring question

Hey all,

I just got a avel lindberg and was expecting to see a single pair of primary wires but there are two. Do I need to connect the blue & violet to one side of the mains and the grey & brown to the other to get both pairs of secondaries to work? And now that I am wearing my newbie flag at full mast... On the new rev.3 power supply board - black goes to AC1, red goes to AC1|, orange to AC2, and yellow to AC2|?

thanks.

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Old 4th May 2005, 07:10 AM   #2
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hey

For the primary connections (side that goes to 120VAC), tie blue/violet together and grey/brown together.

blue/violet would go to the hot wire and the grey/brown to neutral.

As for the secondaries, tie red/orange together so you have a common and then the black and yellow would go to the bridge rectifier.

Hope this helps.
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Old 4th May 2005, 08:46 AM   #3
dhaen is offline dhaen  Europe
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Just to be pedantic, the grey and brown might be best connected to "hot", the blue and violet to neutral. Of course it'll work either way, but it then follows the European colour codes of the transformer manufacturer.

I've seen UK people gasp when they realise that black can be "hot". It used to be neutral in the UK for decades
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Old 4th May 2005, 04:46 PM   #4
needlz is offline needlz  United States
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Thanks guys... mucho appreciato!
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Old 4th May 2005, 04:46 PM   #5
needlz is offline needlz  United States
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Quote:
Originally posted by whalefat


As for the secondaries, tie red/orange together so you have a common and then the black and yellow would go to the bridge rectifier.


After looking at Carlo's schem I am a little confused now. I see what you are saying about the primaries but the secondaries seem as though they should be wired as I mentioned in my original post.


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Old 4th May 2005, 04:49 PM   #6
dhaen is offline dhaen  Europe
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Yes, wire the secondaries as per schematic. I think Whalemeat imagined you were using a single bridge rectifier.
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Old 4th May 2005, 05:05 PM   #7
needlz is offline needlz  United States
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Thanks again! John, I checked out your valve info website... incredibly informative. I am going through the pdfs now.

cheers,
erik
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