Tweco 200 ACDC Arcmaster(Feb2006) - Manual (Page 4)

TABLE OF CONTENTS
1.0 SAFETY
INSTRUCTIONS AND WARNINGS ............................................................................ 1
SYMBOL LEGEND................................................................................................................. 9
2.0 INTRODUCTION AND DESCRIPTION ..................................................................................10
2.01 Description ..................................................................................................................................... 10
2.02 Functional Block Diagram ............................................................................................................... 11
2.03 Transporting Methods .................................................................................................................... 11
3.0 INSTALLATION RECOMMENDATIONS ................................................................................12
3.01 Environment ................................................................................................................................... 12
3.02 Location.......................................................................................................................................... 12
3.03 Electrical Input Connections ........................................................................................................... 13
3.03.01 Electrical Input Requirements............................................................................................. 13
3.03.02 Input Power........................................................................................................................ 15
3.03.03 High Frequency Introduction .............................................................................................. 16
3.03.04 High Frequency Interference............................................................................................... 16
3.04 Specifications ................................................................................................................................. 17
3.05 Duty Cycle ...................................................................................................................................... 18
4.0 OPERATOR CONTROLS .................................................................................................19
4.01 ArcMaster 200ACDC Controls......................................................................................................... 19
4.02 Weld Process Selection for ArcMaster 200ACDC............................................................................ 21
4.03 Weld Parameter Descriptions for ArcMaster 200ACDC ................................................................... 22
4.04 Weld Parameters for ArcMaster 200ACDC...................................................................................... 24
4.05 Power Source Features................................................................................................................... 25
5.0 SET-UP FOR SMAW (STICK) AND GTAW (TIG) ......................................................................27
6.0 SEQUENCE OF OPERATION.............................................................................................28
6.01 Stick Welding.................................................................................................................................. 29
6.02 AC or DC HF TIG Welding ............................................................................................................... 29
6.02.01 Slope Mode Sequence ........................................................................................................ 30
6.02.02 Slope Mode with Repeat Sequence..................................................................................... 30
6.02.03 Pulse Controls .................................................................................................................... 31
7.0 BASIC TIG WELDING GUIDE............................................................................................32
7.01 Explanation of “Fluttery Arc” when AC TIG Welding on Aluminum.................................................. 32
7.02 Electrode Polarity............................................................................................................................ 33
7.03 Tungsten Electrode Current Ranges................................................................................................ 33
7.04 Tungsten Electrode Types............................................................................................................... 33
7.05 Guide for Selecting Filler Wire Diameter ......................................................................................... 34
7.06 Shielding Gas Selection .................................................................................................................. 34
7.07 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe ................................................... 34
7.08 Welding Parameters for Aluminum ................................................................................................. 35
7.09 Welding Parameters for Steel ......................................................................................................... 36
8.0 BASIC
ARC WELDING GUIDE...........................................................................................37
8.01 Electrode Polarity............................................................................................................................ 37
8.02 Effects of Stick Welding Various Materials...................................................................................... 37
9.0 ROUTINE MAINTENANCE ...............................................................................................39