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• Latest IGBT inverter technology
• MIG/MAG with gasless wire function
• MMA (Stick electrode) (DC+ / DC-) function
• Industrial application
• High strength metal case construction
• Internal gear drive wire feeder for 5Kg & 15kg spool
• Euro style MIG torch connection
• IP21S rating for environmental / safety protection
• Stepless voltage and wire feed control
• Scratch start DC TIG welding
• Excellent arc stability for MIG / MMA / TIG welding
• Light weight and portable
• Wire inch and burn back functions

MACHINE FEATURES

Page 4

Instruction Manual for MIG-TIG-MMA 250 (W179)

15/12/2014

Summary of Contents for KUMJR165

Page 1: ...INSTRUCTION MANUAL MIG TIG MMA 250 INVERTER Multi Function Welder 240V 30 250A W179 Page 1 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 2: ...guarantee for this welding Power Source from the date of purchase Refer to Unimig for further details Please read and understand this instruction manual carefully before the installation and operation of this equipment The contents of this manual may be revised without prior notice and without obligation This instruction manual is issued on 1st April 2008 UNIMIG pursue a policy of continuous resea...

Page 3: ...cluding welding gloves whilst the welding operation is performed Measures should be taken to protect people in or near the surrounding working area from all hazards associated with welding Fire hazard The welding sparks may cause fire therfore remove flammable material away from the working area Have a fire extinguisher nearby and have a trained person ready to use it Noise possibly harmful to peo...

Page 4: ...ear drive wire feeder for 5Kg 15kg spool Euro style MIG torch connection IP21S rating for environmental safety protection Stepless voltage and wire feed control Scratch start DC TIG welding Excellent arc stability for MIG MMA TIG welding Light weight and portable Wire inch and burn back functions MACHINE FEATURES Page 4 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 5: ...CIRCUIT DIAGRAM Page 5 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 6: ...35 160A 100 95A 35 175A 100 103A MMA welding 35 140A 100 83A 35 160A 100 95A WELDING VOLTAGE RANGE DC 15 5 22 Volts 15 5 23 Volts WIRE SIZE mm 0 6 0 8mm Ferrous 0 6 0 9mm Ferrous 0 9 1 0mm Aluminium 0 9 1 0mm Aluminium 0 6 0 8mm Stainless Steel 0 6 0 9mm Stainless Steel 0 9 1 2mm Flux cored 0 9 1 2mm Flux cored DIMENSIONS mm 480 230 360mm 480 230 360mm WEIGHT Kgs 17 Kgs 19 Kgs MAIN PARAMETER 165 1...

Page 7: ... 220A 100 139A 35 250A 100 148A MMA WELDING 40 200A 100 125A 35 224A 100 137A WELDING VOLTAGE RANGE DC 15 5 25 Volts 15 5 26 5 Volts WIRE SIZE mm 0 6 1 2mm Ferrous 0 6 1 2mm Ferrous 0 9 1 2mm Aluminium 0 9 1 2mm Aluminium 0 8 1 0mm Stainless Steel 0 8 1 0mm Stainless Steel 0 9 1 2mm Flux cored 0 9 1 2mm Flux cored DIMENSIONS mm 580 230 450mm 580 230 450mm WEIGHT Kgs 23 Kgs 24 Kgs MAIN PARAMETER 22...

Page 8: ...ucture Diagram Number 4 Generally the required welding current is listed as follows Ф2 5mm 70 100A Ф3 2mm 110 160A Ф4 0mm 170 220A 3 Connection of Output Cables Two sockets are available on this welding machine For MMA welding the electrode holder should generally be connected to the positive socket while the work piece should be connected to the negative socket However the polarity can be reverse...

Page 9: ...re arm and check that the bearing roll presses the wire exactly into the groove 6 Press selector switch on for wire inching See Panel Structure Diagram Number 3 Press and hold until wire is visible at end of torch 7 Tightly connect the gas hose which comes from the back of the machine to the brass nipple of supplied regulator adjust argon regulator to deliver the required litres per minute NOTE re...

Page 10: ...ing used complies with the wire diameter replace if necessary Lock the pressure arm and check that the bearing roll presses the wire exactly into the groove 5a Please note that a knurled drive roller sholud be fitted when using self shielded wire 6 Press selector switch on for wire inching See Panel Structure Diagram Number 3 Press and hold until wire is visible at end of torch 7 Adjust the weldin...

Page 11: ...the normal performance and service life of this equipment 2 2 Thermal Overload protection Should the machine be used to an excessive level or in high temperature environment poorly ventilated area or if the fan malfunctions the Thermal Over load Switch will be activated and the machine will cease to operate Under this circumstance leave the machine switched on to keep the built in fan working to b...

Page 12: ...ied attempt to take apart the machine or open the factory made sealing of the machine without the consent of an authorized representative of the manufacturer 10 TROUBLESHOOTING Caution Only qualified technicians are authorized to undertake the repair of this welding equipment For your safety and to avoid Electrical Shock please observe all safety notes and precautions detailed in this manual UNIMI...

Page 13: ...Y OPTION MIG 165 190 PART NO UMJRTROLLEY2 TIG TORCH OPTION PART NO 17V 4MCP25 TROLLEY OPTION MIG 220 250 PART NO UMJRTROLLEY TIG TORCH OPTION PART NO 26V 4MCP50 Page 13 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 14: ...XW WHUPLQDO µ µ RXWSXW WHUPLQDO µ DVW 3OXJ 51 1 HIRUH 00 HOGLQJ LVFRQQHFW WKH IDVW SOXJ RQ WKH ZLUH IHHGHU IURP WKH RXWSXW VRFNHW V 6µ 12 6µ RQ WKH FODSERDUG I FDEOH LV QRW GLVFRQQHFWHG ZHOGLQJ YROWDJH LV SUHVHQW FDQ FDXVH DUFLQJ RU Á DVK 17 Page 14 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 15: ...tton 4 Current adjustment knob in MMA welding 5 Voltage adjustment knob MIG MAG 6 Wire Feed adjustment knob MIG MAG 7 STICK MIG selector switch 8 output terminal 1 9 output terminal 1 10 Euro welding torch connector MIG MAG Page 15 Instruction Manual for MIG TIG MMA 250 W179 15 12 2014 ...

Page 16: ...n must be repaired by an authorised repair agent as appointed by this company Warranty does not cover abuse mis use accident theft general wear and tear New product will not be supplied until Welding Guns of Australia Pty Ltd has inspected product returned for warranty and agree s to replace product Product will only be replaced if repair is impossible If in doubt please ring Page 16 Instruction M...

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