1 Contents
1 Contents .................................................................................................................................................. 3
2 Safety instructions ................................................................................................................................. 8
2.1 Notes on the use of these operating instructions .......................................................................... 8
2.2 Explanation of icons ....................................................................................................................... 9
2.3 General ........................................................................................................................................ 10
2.4 Transport and installation ............................................................................................................ 14
2.4.1 Lifting by crane ............................................................................................................. 15
2.4.2 Ambient conditions ....................................................................................................... 16
2.4.2.1 In operation ................................................................................................... 16
2.4.2.2 Transport and storage ................................................................................... 16
3 Intended use ......................................................................................................................................... 17
3.1 Applications .................................................................................................................................. 17
3.1.1 TIG welding .................................................................................................................. 17
3.1.1.1 TIG hot wire welding ..................................................................................... 17
3.1.1.2 TIG cold wire welding .................................................................................... 17
3.1.1.3 TIG activArc welding ..................................................................................... 17
3.1.1.4 spotArc .......................................................................................................... 17
3.1.1.5 Spotmatic ...................................................................................................... 17
3.1.2 MMA welding ................................................................................................................ 17
3.2 Use and operation solely with the following machines ................................................................ 18
3.3 Documents which also apply ....................................................................................................... 18
3.3.1 Warranty ....................................................................................................................... 18
3.3.2 Declaration of Conformity ............................................................................................. 18
3.3.3 Welding in environments with increased electrical hazards ......................................... 18
3.3.4 Service documents (spare parts and circuit diagrams) ................................................ 18
3.3.5 Calibration/Validation ................................................................................................... 18
4 Machine description – quick overview .............................................................................................. 19
4.1 System overview .......................................................................................................................... 19
4.2 Tetrix 351 AC/DC AW .................................................................................................................. 20
4.3 Front view .................................................................................................................................... 20
4.4 Rear view ..................................................................................................................................... 22
4.5 Tetrix 451, 551 AC/DC AW .......................................................................................................... 24
4.6 Front view .................................................................................................................................... 24
4.7 Rear view ..................................................................................................................................... 26
4.8 Machine control – Operating elements ........................................................................................ 28
4.8.1 Function sequence ....................................................................................................... 30
5 Design and function ............................................................................................................................. 32
5.1 General ........................................................................................................................................ 32
5.2 Machine cooling ........................................................................................................................... 33
5.3 Workpiece lead, general .............................................................................................................. 33
5.4 Notes on the installation of welding current leads ....................................................................... 34
5.5 Mains connection ......................................................................................................................... 36
5.5.1 Mains configuration ...................................................................................................... 36
5.6 Welding torch cooling system ...................................................................................................... 37
5.6.1 List of coolants .............................................................................................................. 37
5.6.2 Maximal hose package length ...................................................................................... 37
5.6.3 Adding coolant .............................................................................................................. 38
5.7 Shielding gas supply (shielding gas cylinder for welding machine) ............................................. 39
5.7.1 Connection ................................................................................................................... 39
5.8 TIG welding .................................................................................................................................. 40
5.8.1 TIG cold or hot wire welding ......................................................................................... 40
5.8.2 Setting the shielding gas quantity ................................................................................. 40
5.8.3 Gas test ........................................................................................................................ 40
5.8.4 “Purge hose package” function .................................................................................... 40
5.9 TIG cold wire welding................................................................................................................... 41
5.9.1 Connection plan ............................................................................................................ 41