Tweco 400 MSTP Arcmaster - Manual (Page 5)

TABLE OF CONTENTS
1.0 SAFETY INSTRUCTIONS AND WARNINGS................................................................................1
SYMBOL LEGEND ....................................................................................................................9
2.0 INTRODUCTION AND DESCRIPTION .................................................................................... 10
2.01 Description ................................................................................................................................................11
2.02 Functional Block Diagram ..........................................................................................................................12
2.03 Transporting Methods................................................................................................................................12
2.04 Installation Recommendations...................................................................................................................13
2.04.01 Environment ..................................................................................................................................13
2.04.02 Location................................................................................................................................................13
2.05 Electrical Input Connections.......................................................................................................................14
2.05.01 Electrical Input Requirements ........................................................................................................14
2.05.02 Input Power ...................................................................................................................................16
2.05.03 High Frequency Introduction..........................................................................................................17
2.05.04 High Frequency Interference ..........................................................................................................17
2.07 Duty Cycle..................................................................................................................................................19
3.0 OPERATOR CONTROLS ................................................................................................... 20
3.01 ARC MASTER 400 MSTP Controls .............................................................................................................21
3.02 Weld Parameter Descriptions for ARC MASTER 400 MSTP .......................................................................24
3.03 Weld Process Selection for the ARC MASTER 400 MSTP ..........................................................................26
3.04 Weld Parameter Descriptions.....................................................................................................................26
3.04.01 WELD (V).......................................................................................................................................26
3.04.02 INDUCTANCE.................................................................................................................................26
3.04.03 HOT START....................................................................................................................................26
3.04.04 WELD (A).......................................................................................................................................26
3.04.05 ARC CONTROL ..............................................................................................................................27
3.05 Weld Parameters........................................................................................................................................28
3.06 Power Source Features ..............................................................................................................................28
4.0 SEQUENCE OF OPERATION............................................................................................... 30
4.01 Stick Welding.............................................................................................................................................32
4.02 LIFT TIG Welding .......................................................................................................................................32
4.03 MIG Welding..............................................................................................................................................33
4.04 Pulse-MIG Welding ....................................................................................................................................33
4.05 Save-Load Operation..................................................................................................................................29
4.06 Pulsed GMAW............................................................................................................................................30
4.07 SAFE Mode ................................................................................................................................................33
5.0 BASIC WELDING GUIDE................................................................................................... 37
5.01 Electrode Polarity.......................................................................................................................................37
5.02 Tungsten Electrode Current Ranges...........................................................................................................37
5.03 Tungsten Electrode Types ..........................................................................................................................37
5.04 Guide for Selecting Filler Wire Diameter.....................................................................................................38
5.05 Shielding Gas Selection .............................................................................................................................38
5.06 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe ..............................................................38
5.07 Welding Parameters for Steel.....................................................................................................................39
6.0 BASIC STICK WELDING GUIDE........................................................................................... 40
6.01 Electrode Polarity.......................................................................................................................................40
6.02 Effects of Stick Welding Various Materials .................................................................................................40