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- Page 1 400 MST ® ARCMASTER INVERTER ARC WELDER Art # A-07368 Operating Manual Version No: 1 Issue Date: April 26, 2006 Manual No.: 0-4905 INVERTER Operating Features: GMAW PHASE FCAW SMAW GTAW...
- Page 2 YOU ARE IN GOOD COMPANY! The Brand of Choice for Contractors and Fabricators Worldwide. Thermal Arc is a Global Brand of Arc Welding Products for Thermadyne Industries Inc. We manufacture and supply to major welding industry sectors worldwide including; Manufacturing, Construction, Mining, Automotive, Aerospace, Engineering, Rural and DIY/Hobbyist.
- Page 3 While the information contained in this Manual represents the Manufacturer's best judgement, the Manufacturer assumes no liability for its use. ArcMaster 400 MST Inverter Arc Welder Instruction Manual Number 0-4905 for: Part Number 10-3089 Published by: Thermadyne Industries Inc.
- Page 4 TABLE OF CONTENTS SECTION 1: SAFETY INSTRUCTIONS AND WARNINGS ..............1 SYMBOL LEGEND ......................... 11 SECTION 2: INTRODUCTION AND DESCRIPTION ............... 12 2.01 How to Use This Manual ..........................12 2.02 Equipment Identification ..........................12 2.03 Receipt of Equipment..........................12 2.04 Description ..............................
- Page 5 11.03 Switching VRD On/Off..........................50 SECTION 12: POWER SOURCE ERROR CODES ................52 APPENDIX A - INTERCONNECT DIAGRAM ..................55 APPENDIX B - ARCMASTER 400 MST ACCESSORIES ............... 57 LIMITED WARRANTY AND SCHEDULE GLOBAL CUSTOMER SERVICE CONTACT INFORMATION..........Inside Rear Cover...
- Page 7 ARCMASTER 400 MST SECTION 1: SAFETY INSTRUCTIONS AND WARNINGS WARNING PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEARERS KEEP AWAY UNTIL CONSULTING YOUR DOCTOR. DO NOT LOSE THESE INSTRUCTIONS. READ OPERATING/INSTRUCTION MANUAL BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT.
- Page 8 ARCMASTER 400 MST 3. Use protective screens or barriers to protect others from flash and glare; warn others not to watch the arc. WARNING 4. Wear protective clothing made from durable, flame-resistant material (wool and leather) and foot protection. WELDING can cause fire or explosion.
- Page 9 ARCMASTER 400 MST 2. If used in a closed area, vent engine exhaust outside and away from any building air intakes. WARNING WARNING FLYING SPARKS AND HOT METAL can cause injury. Chipping and grinding cause flying metal. As welds cool, they can throw off slag.
- Page 10 ARCMASTER 400 MST 1.02 Principal Safety Standards Safety in Welding and Cutting, ANSI Standard Z49.1, from American WARNING Welding Society, 550 N.W. LeJeune Rd., Miami, FL 33126. Safety and Health Standards, OSHA 29 CFR 1910, from Superintendent STEAM AND PRESSURIZED HOT COOLANT can burn of Documents, U.S.
- Page 11 ARCMASTER 400 MST 1.03 Precautions de Securite en Soudage à l’Arc MISE EN GARDE LE SOUDAGE A L’ARC EST DANGEREUX PROTEGEZ-VOUS, AINSI QUE LES AUTRES, CONTRE LES BLESSURES GRAVES POSSIBLES OU LA MORT. NE LAISSEZ PAS LES ENFANTS S’APPROCHER, NI LES PORTEURS DE STIMULATEUR CARDIAQUE (A MOINS QU’ILS N’AIENT CONSULTE UN MEDECIN). CONSERVEZ CES INSTRUCTIONS.
- Page 12 ARCMASTER 400 MST AVERTISSEMENT AVERTISSEMENT LES VAPEURS ET LES FUMEES SONT DANGEREUSES LE RAYONNEMENT DE L’ARC PEUT BRÛLER LES YEUX POUR LA SANTE. ET LA PEAU; LE BRUIT PEUT ENDOMMAGER L’OUIE. Le soudage dégage des vapeurs et des fumées L’arc de soudage produit une chaleur et des rayons dangereuses à...
- Page 13 ARCMASTER 400 MST 7. Ne soudez des tôles galvanisées ou plaquées au plomb ou au cadmium que si les zones à souder ont été grattées à fond, que si AVERTISSEMENT l’espace est bien ventilé; si nécessaire portez un respirateur à ad- duction d’air.
- Page 14 ARCMASTER 400 MST Les accumulateurs contiennent de l’électrolyte acide et 1. Utilisez l’équipement à l’extérieur dans des aires ouvertes et bien ventilées. dégagent des vapeurs explosives. 2. Si vous utilisez ces équipements dans un endroit confiné, les 1. Portez toujours un écran facial en travaillant sur un accumu-lateur.
- Page 15 ARCMASTER 400 MST 1.06 Declaration Of Conformity Manufacturer: Thermadyne Corporation Address: 82 Benning Street West Lebanon, New Hampshire 03784 The equipment described in this manual conforms to all applicable aspects and regulations of the ‘Low Voltage Directive’ (European Council Directive 73/23/EEC as amended by Council Directive 93/68/EEC) and to the National legislation for the enforcement of this Directive.
- Page 16 ARCMASTER 400 MST...
- Page 17 SYMBOL LEGEND Amperage STICK (Shielded Metal Arc SMAW) Voltage Pulse Current Function Hertz (frequency) Spot Time (GTAW) Seconds Remote Control (Panel/Remote) Percent Remote Function DC (Direct Current) Arc Control (SMAW) AC (Alternating Current Gas Post-Flow Standard Function Gas Pre-Flow Slope Function Voltage Reduction Device Circuit Slope W/Repeat Function Negative...
- Page 18 Owner’s Manual number and equipment identification numbers. Electronic copies of this manual can also be downloaded at no charge in Acrobat PDF format by going to the Thermal Arc web site listed below and clicking on the Literature Library link: http://www.thermalarc.com...
- Page 19 2.04 Description ™ The Thermal Arc ARC MASTER 400 MST is a single & three-phase DC arc welding power source with Constant Current (CC) and Constant Voltage (CV) output characteristics. This unit is equipped with a Digital Volt/Amperage, lift arc starter for use with Gas Tungsten Arc Welding (GTAW), Arc Control and Hot Start for Shielded Metal Arc Welding (SMAW), Inductance Control for Gas Metal Arc Welding (GMAW) processes.
- Page 20 2.05 Functional Block Diagram Figure 2 illustrates the Functional Block Diagram of the 400 MST-power supply. Input Hall Current Main Input IGBT Output Main Capacitor Circuit Diode Inverter Diodes Transformers Transformer Power Switch DC Power Themal Themal (T1) (HCT1) Filter Detector Detector Primary...