EWM Tetrix 351 AC/DC Smart FW, Operating Instructions Manual

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Contents
Notes on the use of these operating instructions
099-000109-EW501
23.08.2018
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Contents
1 Contents .................................................................................................................................................. 3
2 For your safety ....................................................................................................................................... 7
2.1 Notes on the use of these operating instructions .......................................................................... 7
2.2 Explanation of icons ....................................................................................................................... 8
2.3 Part of the complete documentation .............................................................................................. 9
2.4 Safety instructions ........................................................................................................................ 10
2.5 Transport and installation ............................................................................................................ 13
3 Intended use ......................................................................................................................................... 15
3.1 Applications .................................................................................................................................. 15
3.2 Documents which also apply ....................................................................................................... 15
3.2.1 Warranty ....................................................................................................................... 15
3.2.2 Declaration of Conformity ............................................................................................. 15
3.2.3 Welding in environments with increased electrical hazards ......................................... 15
3.2.4 Service documents (spare parts and circuit diagrams) ................................................ 15
3.2.5 Calibration/Validation ................................................................................................... 15
4 Machine description
– quick overview .............................................................................................. 16
4.1 Tetrix 351 AC/DC ......................................................................................................................... 16
4.1.1 Front view ..................................................................................................................... 16
4.1.2 Rear view ...................................................................................................................... 18
4.2 Tetrix 451-551 AC/DC ................................................................................................................. 20
4.2.1 Front view ..................................................................................................................... 20
4.2.2 Rear view ...................................................................................................................... 22
4.3 Machine control
– Operating elements ........................................................................................ 24
4.3.1 Function sequence ....................................................................................................... 26
5 Design and function ............................................................................................................................. 28
5.1 Transport and installation ............................................................................................................ 28
5.1.1 Lifting by crane ............................................................................................................. 28
5.1.2 Ambient conditions ....................................................................................................... 28
5.1.2.1 In operation ................................................................................................... 29
5.1.2.2 Transport and storage ................................................................................... 29
5.1.3 Machine cooling ............................................................................................................ 29
5.1.4 Workpiece lead, general ............................................................................................... 29
5.1.5 Welding torch cooling system ....................................................................................... 29
5.1.5.1 Approved coolants overview ......................................................................... 30
5.1.5.2 Maximal hose package length ...................................................................... 30
5.1.5.3 Adding coolant .............................................................................................. 30
5.1.6 Notes on the installation of welding current leads ........................................................ 31
5.1.7 Stray welding currents .................................................................................................. 32
5.1.8 Mains connection .......................................................................................................... 33
5.1.8.1 Mains configuration ....................................................................................... 34
5.2 Welding data display .................................................................................................................... 34
5.2.1 Welding parameter setting ........................................................................................... 35
5.2.2 Setting the welding current (absolute/percentage) ....................................................... 35
5.3 TIG welding .................................................................................................................................. 36
5.3.1 Welding torch and workpiece line connection .............................................................. 36
5.3.1.1 Connection assignment, welding torch control cable .................................... 37
5.3.2 Shielding gas supply (shielding gas cylinder for welding machine) ............................. 38
5.3.2.1 Connecting the shielding gas supply ............................................................ 38
5.3.3 TIG Synergic operating principle .................................................................................. 39
5.3.3.1 Synergic parameter setting in the functional sequence ................................ 40
5.3.3.2 Conventional parameter setting in the functional sequence ......................... 40
5.3.3.3 Set the operating principle (conventional/synergic) ...................................... 40
5.3.4 Welding task selection .................................................................................................. 41
5.3.5 Gas test or "rinse hose package" ................................................................................. 41
5.3.5.1 Gas test ......................................................................................................... 42
5.3.5.2
“Purge hose package” function ..................................................................... 42
5.3.5.3 Automatic gas post-flow ................................................................................ 42
5.3.6 Optimising the ignition characteristics for pure tungsten electrodes ............................ 43