Hi-Freq box

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I want to learn how to tig, and dug out this old freq box that came with a weldnpower,  Knowing nothing about tig,  but what Ive read here  I thought Id see if it wouild fire up,..yup the light comes on, but nothing happened when I pushed the thumb button, until I shorted the wires across the bad thumb switch,  and there waz  a little light show  between two adjustable contacts, dont remember what their called, and the gas silinoid clicks,  so iam thinkin thats a good thing, The question I have is whats the extra box hard wired in,  it looks like an add on, look at the wire nuts in the big box, and the hardwear romex clamp where it enters the box,.. Iam hoping it the optional ampthonal, part that i read about somewere, but no other receptical for such control, also Ive read that I need  some sort of protection on my engine drive so I dont get feed back and fry a circut board, ??  I guess its possable its already been added,  what do I look for on the welder,? Ive got two of the weldenpower 225s  one has the cv tap and one dosent,  Does any one have a sugestion as to what the xtra box is for,  OH yea  code is 8326 Thanks  Eric Attached Images
Reply:You looking to part with it? If so, I'm interested.JasonLincoln Idealarc 250 stick/tigThermal Dynamics Cutmaster 52Miller Bobcat 250Torchmate CNC tableThermal Arc Hefty 2Ironworkers Local 720
Reply:Go to Lincoln electric .com and down load the IM manual and read the whole thing. There are a lot of cautions on how to no damage other equipment. Does the other box have any numbers on it.If so you can call Lincoln and ask them for the correct set up.
Reply:snoeproe, Its not for sale, until I learn how to tig or give up
Reply:ccawgc,   Yea I read that manual cover 2 cover, ok,  not the saftey stuf,  I cant find the xtra box like mine has,  I talks about the optional  ampthional control,  But I couldnt find any pics of this setup, and theres no connection port,    Iam probably missing somthing, thats why I posted pics, so maybe sombody could tell me what i got,  Thanks for the help,  Eric
Reply:You can still TIG without the HI-Freq with this setup:http://weldingweb.com/vbb/showthread.php?t=38106
Reply:Thanks for the responce farmall,  Ive read that article before, I dont have a job to do right now,  Iam just wanting to learn the skill, Iam hoping that this setup I have will work, and, I need to be able to tig aluminum, Ive got a spool gun and its ok on 1/8 in  but I need to do thinner stuff,  Thanks Eric
Reply:ANY body out ther in lioncoln land have an answer to the xtra box on this HI FREQ UNIT???   Thanks  for any help,   Eric