WIA MC105-0 Operator's Manual

WIA MC105-0 Operator's Manual

Weldarc 200i ac/dc

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Weldarc 200i AC/DC
Weldarc 200i AC/DC Arc/TIG Welder
Model No. MC105-0
Iss A
Operators Manual
02/16
MC105-40 Rev A

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Summary of Contents for WIA MC105-0

  • Page 1 Weldarc 200i AC/DC Weldarc 200i AC/DC Arc/TIG Welder Model No. MC105-0 Iss A Operators Manual 02/16 MC105-40 Rev A...
  • Page 2 Welding Industries of Australia A division of ITW Australia Pty Ltd 1300 300 884 Info@welding.com.au welding.com.au...
  • Page 3: Table Of Contents

    Weldmatic 200i AC/DC Contents Section General Information Page Safe Practices Introduction Receiving Operation Specifications Controls Installation Basic Welding Information External Trouble Shooting Service Information 9.1 Circuit Diagram Assembly and Parts Lists Power Source Warranty Information Model No MC105, Iss A 02/16...
  • Page 4: Safe Practices

    Operators Manual Safe Practices When Using Read First Welding Equipment The information contained in this These notes are provided in the interests manual is set out to enable you of improving operator safety. They should to properly maintain your new be considered only as a basic guide to Safe equipment and ensure that you obtain Working Habits.
  • Page 5: Fire And Explosion Prevention

    Weldmatic 200i AC/DC Burn Protection coating is removed from the work surface, the area is well ventilated, or the operator The welding arc is intense and visibly bright. wears an air-supplied respirator. Its radiation can damage eyes, penetrate Work in a confined space only while it is light-weight clothing, reflect from light- being ventilated and, if necessary, while coloured surfaces, and burn the skin and...
  • Page 6 Operators Manual A person acting as Fire Watcher must be Shock Prevention standing by with suitable fire extinguishing Exposed conductors or other bare metal equipment during and for some time after in the welding circuit, or ungrounded welding or cutting if; electrically alive equipment can fatally shock •...
  • Page 7: Introduction

    Gas Tungsten Arc Welding (GTAW) is a welding process where the arc is struck WIA supplies a wide range of mild steel and between a non-consumable tungsten special purpose electrodes which cater for home electrode and the work piece.
  • Page 8: Receiving

    Due to variation between generators by different manufacturers, it is impossible for WIA to validate operation from all generators. Therefore, we recommend that operation of equipment on the generator is received from the manufacturer before purchasing the generator.
  • Page 9: Specifications

    Weldmatic 200i AC/DC 4 Specifications Manufactured to Australian Standard IEC60974-10 6.3.2 6.3.3. TERM VALUE UNIT Rated Input Voltage 220 - 240 Power Frequency 50/60 Rated Input Capacity Generator Capacity Rated Maximum Supply Current Imax Maximum Effective Supply Current Ieff Output No Load Voltage Supply Main Circuit Breaker Supply Cable 2.5mm2 &...
  • Page 10 Operators Manual 4 Specifications (cont) Insulation Degree Cover Protection Degree IP21S Weight 19.5 Shipping Weight Dimension L × W × H 530 x 240 x 420 Shipping Dimension L × W × H 770 x 335 x 460 Trusted by the best...
  • Page 11: Controls

    Weldmatic 200i AC/DC 5 Controls Power Switch Located on the rear panel Welding Industries of Australia welding.com.au AMPS AC/DC IGNITION WELDING PEAK BASE DOWN CRATER START CURRENT SLOPE CURRENT CURRENT CURRENT SLOPE CURRENT PULSE RATIO PULSE HERTZ MODE PRESS GAS PURGE Fig 1 Weldarc 200i AC/DC Controls 200i AC/DC 1 VRD Safe Mode Indicator...
  • Page 12 Operators Manual 5 Controls 3 Voltage Range Indicator 4.2 4 STEP In this mode the torch trigger switch is This light will be on when the input supply pressed to start the arc. voltage is too high or too low. There will be no output.
  • Page 13 Weldmatic 200i AC/DC 5 Gas Purge is pressed, then a high energy spark is created to jump from the tungsten to Press and hold the gas purge button to allow work piece and initiate an Arc. gas to flow without output weld voltage or current.
  • Page 14: Welding Parameters

    Operators Manual 5 Controls 13.5 Welding Current 13 Welding Parameters 13.1 Pre Gas The setting for actual weld current. 13.6 Pulse Welding Pre gas flow can be set to a maximum of 5 seconds, to allow gas flow before Pulse welding allows the current to Arc Start.
  • Page 15 Weldmatic 200i AC/DC 13.6.5 Down Slope 13.8 AC Balance Or Arc Force The DOWN SLOPE time is the 13.8.1 AC Balance time taken for the weld current When AC TIG mode is selected to transition from the WELDING then the proportion of positive CURRENT value to CRATER and negative in the cycle can be CURRENT value.
  • Page 16: Installation

    Operators Manual 5 Controls 6 Installation Connection to Electrical Mains Power 13.8.1.1 Low % Balance Supply › Less time negative The Weldarc 200i AC/DC is fitted with a › More time positive 15 Amp plug and socket, recognisable by a wide Earth pin. Power Supply authorities ›...
  • Page 17: Basic Welding Information

    90 - 130 select Stick Mode. 130 - 180 Select an appropriate welding current for the electrode diameter by setting the knob on the machine front panel. WIA AUSTARC electrodes will give the best results. Model No MC105, Iss A 02/16...
  • Page 18 Operators Manual 7 Basic Welding Information Electrode TIG TIG Welding (GTAW) Connection for TIG Welding Thoriated Tungsten electrodes are normally used for DC welding current, and Zirconiated For TIG Welding, the TIG torch is connected Tungsten electrodes are normally used for AC to the negative terminal.
  • Page 19 Weldmatic 200i AC/DC Tungsten Current Ranges Electrode Filler Wire Diameter (mm) Cup Size Current Amps Current Amps Diameter (mm) 15-80 20-60 70-150 50-100 1.6-2.4 150-250 100-160 2.4-3.2 30° Safety Consideration Thoritated Tungsten. Thoriated Tungsten contains the element 30° Thorium (Th). Thorium is a radioactive Fig 8 Tungsten Preparation element which mainly emits alpha x = 1.5 to 4 times diameter...
  • Page 20 Operators Manual 7 Basic Welding Information TIG Welding Operation LIFT TIG Operation Connect the Work Clamp to the work piece. When the Welding mode is set to LIFT TIG then the arc start can be achieved with the Turn on the power switch located on the rear following procedure.
  • Page 21: External Trouble Shooting

    Weldmatic 200i AC/DC 8 External Trouble Shooting If the following checks do not identify the fault condition, the equipment should be returned to a WIA Service agent. Phone 1300 300 884 for details of your nearest service agent. No Welding Current...
  • Page 22: Service Information

    Operators Manual 9 Service Information CAUTION: The following information is intended for use by qualified service personnel. When the unit is energised LETHAL VOLTAGES are present on the electrical and electronic components. It is not intended that persons without suitable training and knowledge attempt to perform service tasks on the components of this welder.
  • Page 23: Circuit Diagram

    Weldmatic 200i AC/DC 9.1 Circuit Diagrams – Power Source CN201 CN200 CN100 CN600 CN601 CN401 CN402 CN500 Fig 13 Weldarc 200i Circuit Diagram Model No MC105, Iss A 02/16...
  • Page 24: Power Source

    Operators Manual 10 Assembly and Parts List - Weldarc 200i AC/DC Power Source Fig 14 Weldarc 200i AC/DC Power Source Assembly Trusted by the best...
  • Page 25 Weldmatic 200i AC/DC Item # Part # Description M0067 HANDLE PAN160 ENCLOSURE PWA024 PCB ASSY SECONDARY INVERTER ARC E0089 SWITCH ON OFF FAN013 FAN 240V PWA025 PCB ASSY POWER SUPPLY 24V PWA026 PCB ASSY HV PULSE D0036 DIODE BRIDGE 35A 1000V PWA027 PCB ASSY PRIMARY INVERTER MC105 D0038...
  • Page 26 Operators Manual 10 Assembly and Parts List (Cont) Item # Part # Description 10N31 COLLET BODY 1.6mm 10N32 COLLET BODY 2.4mm 10N28 COLLET BODY 3.2mm 10N23 COLLET 1.6mm 10N24 COLLET 2.4mm 10N25 COLLET 3.2mm 10N50 CERAMIC NOZZLE SIZE 4 (6mm) 10N49 CERAMIC NOZZLE SIZE 5 (8mm) 10N48...
  • Page 27 Weldmatic 200i AC/DC Model No MC105, Iss A 02/16...
  • Page 28: Warranty Information

    2 Year Warranty Statement • The Product not having been altered, Welding Industries of Australia (WIA) tampered with or otherwise dealt with warrants to the original retail purchaser by any person in a manner other than that the Weldmatic welding machine...
  • Page 29 High Performing Austarc Electrodes Austarc 16TC Classification: AS/NZS 4855-B – • Smooth running, basic E49 16 A U H10 low hydrogen electrode, AWS A5. 1: E7016 H8 developed for all positional (except vertical down) Part Numbers: welding, using AC or DC 16TC25 (2.5mm) power sources.
  • Page 30 Miller Digital Elite Series ™ AUTO-DARKENING HELMETS Inferno P/N - 257217 Joker P/N - 257218 Lucky’s Speed Shop P/N - 257214 Black P/N - 257213 FOUR MODES – WELD, CUT, GRIND & X-MODE Black Lucky’s Speed Shop Joker Inferno • Lens and helmet comply with •...

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