EWM Picotig 200 puls TG, Operating Instructions Manual

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Contents
Notes on using these operating instructions
099-002058-EW501
26.11.2020
3
1 Contents
1 Contents .......................................................................................................................................... 3
2 For your safety ............................................................................................................................... 5
2.1 Notes on using these operating instructions .......................................................................... 5
2.2 Explanation of icons ............................................................................................................... 6
2.3 Safety instructions .................................................................................................................. 7
2.4 Transport and installation .................................................................................................... 10
3 Intended use ................................................................................................................................. 12
3.1 Applications .......................................................................................................................... 12
3.2 Software version .................................................................................................................. 12
3.3 Documents which also apply ............................................................................................... 12
3.3.1 Warranty ............................................................................................................... 12
3.3.2 Declaration of Conformity ..................................................................................... 12
3.3.3 Welding in environments with increased electrical hazards ................................. 12
3.3.4 Service documents (spare parts and circuit diagrams) ........................................ 12
3.3.5 Calibration/Validation ........................................................................................... 12
3.3.6 Part of the complete documentation ..................................................................... 13
4 Machine description – quick overview ...................................................................................... 14
4.1 Front view ............................................................................................................................ 14
4.2 Rear view ............................................................................................................................. 15
4.3 Machine control – Operating elements ................................................................................ 16
4.3.1 Welding data display ............................................................................................ 17
5 Design and function ..................................................................................................................... 18
5.1 Transport and installation .................................................................................................... 18
5.1.1 Machine cooling .................................................................................................... 18
5.1.2 Workpiece lead, general ....................................................................................... 18
5.1.3 Ambient conditions ............................................................................................... 19
5.1.3.1 In operation ........................................................................................... 19
5.1.3.2 Transport and storage ........................................................................... 19
5.1.4 Transport belt ....................................................................................................... 19
5.1.4.1 Adjusting the length of the carrying strap ............................................. 19
5.1.5 Notes on the installation of welding current leads ................................................ 20
5.1.6 Stray welding currents .......................................................................................... 21
5.1.7 Mains connection .................................................................................................. 22
5.1.7.1 Mains configuration ............................................................................... 22
5.2 TIG welding .......................................................................................................................... 23
5.2.1 Welding torch and workpiece line connection ...................................................... 23
5.2.1.1 Control lead connection ........................................................................ 23
5.2.2 Shielding gas supply (shielding gas cylinder for welding machine) ..................... 24
5.2.2.1 Pressure regulator connection .............................................................. 24
5.2.2.2 Shielding gas hose connection ............................................................. 25
5.2.2.3 Gas test – setting the shielding gas volume ......................................... 25
5.2.3 Arc ignition ............................................................................................................ 26
5.2.3.1 HF ignition ............................................................................................. 26
5.2.3.2 Liftarc .................................................................................................... 26
5.2.3.3 Automatic cut-out .................................................................................. 26
5.2.4 Welding task selection .......................................................................................... 27
5.2.5 Operating modes (functional sequences) ............................................................ 27
5.2.5.1 Legend .................................................................................................. 27
5.2.5.2 TIG non-latched operation .................................................................... 28
5.2.5.3 TIG latched operation............................................................................ 29
5.2.6 Welding torch (operating variants) ....................................................................... 30
5.2.6.1 Tapping function (tap torch trigger) ....................................................... 30
5.2.6.2 Torch mode setting ............................................................................... 30
5.2.6.3 Up/down speed ..................................................................................... 30
5.2.6.4 Standard TIG torch (5-pole) .................................................................. 30
5.2.7 Average value pulse welding ................................................................................ 33
5.2.8 Expert menu (TIG) ................................................................................................ 34
5.3 MMA welding ....................................................................................................................... 35