Tweco 185TSW DC CC - Manual (Page 3)

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CONTENTS
SYMBOL LEGEND .......................................................................................................................................................5
STATEMENT OF WARRANTY ...................................................................................................................................6
1.0 GENERAL INFORMATION....................................................................................................................................7
1.01 Notes, Cautions and Warnings ...........................................................................................................................7
1.02 Important Safety Precautions..............................................................................................................................7
1.03 Publications ........................................................................................................................................................8
1.04 Note, Attention et Avertissement........................................................................................................................9
1.05 Precautions De Securite Importantes ..................................................................................................................9
1.06 Documents De Reference .................................................................................................................................11
2.0 INTRODUCTION AND DESCRIPTION ..............................................................................................................13
2.01 Description ........................................................................................................................................................13
2.02 Functional Block Diagrams ...............................................................................................................................14
2.03 Transporting Methods........................................................................................................................................14
3.0 Installation Recommendations.................................................................................................................................15
3.01 Environment ......................................................................................................................................................15
3.02 Location.............................................................................................................................................................15
3.03 Electrical Input Connections..............................................................................................................................16
3.03.01 Electrical Input Requirements ..................................................................................................................16
3.03.02 Input Power ..............................................................................................................................................18
3.03.03 High Frequency Introduction....................................................................................................................19
3.03.04 High Frequency Interference ....................................................................................................................19
3.04 Specifications ....................................................................................................................................................20
3.05 Duty Cycle.........................................................................................................................................................21
4.0 OPERATOR CONTROLS ......................................................................................................................................23
4.01 Pro-Wave 185TSW Controls.............................................................................................................................23
4.02 Weld Process selection for Pro-Wave 185TSW ................................................................................................25
4.03 Weld Parameter Descriptions for Pro-Wave 185TSW ......................................................................................26
4.04 Weld Parameters for Pro-Wave 185TSW..........................................................................................................28
4.05 Power Source Features ......................................................................................................................................29
5.0 SET-UP FOR SMAW (STICK) AND GTAW (TIG) .............................................................................................31
6.0 SEQUENCE OF OPERATION...............................................................................................................................32
6.01 Stick Welding ....................................................................................................................................................33
6.02 AC or DC HF TIG Welding ..............................................................................................................................34
6.02.01 Slope Mode Sequence ..............................................................................................................................35
6.02.02 Slope Mode with repeat sequence ............................................................................................................35
6.02.03 Pulse Controls...........................................................................................................................................36
7.0 BASIC TIG WELDING GUIDE.............................................................................................................................37
7.01 Explanation of “Fluttery Arc” when AC TIG Welding on Aluminum ..............................................................37
7.02 Electrode Polarity ..............................................................................................................................................38
7.03 Tungsten Electrode Current Ranges ..................................................................................................................38
7.04 Tungsten Electrode Types .................................................................................................................................38
7.05 Guide for Selecting Filler Wire Diameter..........................................................................................................39
7.06 Shielding Gas Selection.....................................................................................................................................39
7.07 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe .................................................................39
7.08 Welding Parameters for Aluminum...................................................................................................................40
7.09 Welding Parameters for Steel ............................................................................................................................40
8.0 Basic Arc Welding Guide........................................................................................................................................41
8.01 Electrode Polarity ..............................................................................................................................................41
8.02 Effects of Stick Welding Various Materials ......................................................................................................41
9.0 ROUTINE MAINTENANCE .................................................................................................................................42
10.0 BASIC TROUBLESHOOTING............................................................................................................................43
10.01 TIG Welding Problems....................................................................................................................................43
10.02 Stick Welding Problems ..................................................................................................................................45
10.03 Power Source Problems...................................................................................................................................47
11.0 Voltage Reduction Device (VRD).........................................................................................................................49
11.01 VRD Specification...........................................................................................................................................49
11.02 VRD Maintenance ...........................................................................................................................................49
12.0 Power Source Error Codes ....................................................................................................................................50