Jasic MIG Series Operator's Manual
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Jasic MIG Series Operator's Manual

Jasic MIG Series Operator's Manual

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  • Page 2 Please ensure that you carry out daily and periodic maintenance checks to ensure years of reliable and trouble free operation. Please call your Jasic distributor in the unlikely event of a problem occurring. Please record below the details from your product as these will be required for warranty purposes and to ensure you get the correct information should you require assistance or spare parts.

  • Page 3: Table Of Contents

    MMA Welding Problems Operation TIG Guide to TIG Welding TIG Welding Problems Maintenance and Service Schedule Record Troubleshooting WEEE Disposal RoHS Compliance Declaration EC Declaration of Conformity UKCA Declaration of Conformity Statement of Warranty Schematic Options and Accessories Notes Jasic Contact Details...

  • Page 4: Safety Instruction

    SAFETY INSTRUCTION These general safety norms cover both arc welding machines and plasma cutting machines unless otherwise noted. It is important that users of this equipment protect yourselves and others from harm or even death. The equipment must only be used for the purpose it was designed for. Using it in any other way could result in damage or injury and in breach of the safety rules.

  • Page 5: Welding Processes Lens Shade Selector Guide

    SAFETY INSTRUCTION Use of Personal Protective Equipment (PPE) Welding arc rays from all welding processes produce intense, visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. • Wear an approved welding helmet fitted with an appropriate shade of filter lens to protect your face and eyes when welding or watching.

  • Page 6: Fume And Welding Gases

    SAFETY INSTRUCTION Safety against fumes and welding gases The HSE have identified welders as being an ‘at risk’ group for occupational diseases arising from exposure to dusts, gases, vapours and welding fumes. The main identified health effects are pneumonia, asthma, chronic obstructive pulmonary disease (COPD), lung and kidney cancer, metal fume fever (MFF) and lung function changes.

  • Page 7: The Working Environment

    SAFETY INSTRUCTION The working environment Ensure the machine is mounted in a safe and stable position allowing for cooling air circulation. Do not operate equipment in an environment outside the laid down operating parameters. The welding power source is not suitable for use in rain or snow. Always store the machine in a clean, dry space.

  • Page 8: Rf Declaration

    SAFETY INSTRUCTION RF Declaration Equipment that complies with directive 2014/30/EU concerning electromagnetic compatibility (EMC) and the technical requirements of EN60974-10 is designed for use in industrial buildings and not those for domestic use where electricity is provided via the low voltage public distribution system. Difficulties may arise in assuring class A electromagnetic compatibility for systems installed in domestic locations due to conducted and radiated emissions.

  • Page 9: Product Overview

    PRODUCT OVERVIEW The Jasic Compact MIG inverter range of welding machines have been designed as integrated and portable welding power supply units incorporating the most advanced IGBT inverter technology in power electronics with easy operation and adjustment due to friendly user interface.

  • Page 10: Technical Specifications

    TECHNICAL SPECIFICATIONS Parameter Unit Jasic MIG 250P (JM-250P) Rated input voltage AC230V±15% 50/60Hz Rated input power 9.13 Rated input current Imax 46.3 Rated input current Ieff 29.2 Output voltage range 13.5 ~ 36 MIG-MIG Pulsed 40 ~ 250 Welding current range...

  • Page 11: Description Of Controls

    CONTROLS Front view Jasic MIG 250P Digital ammeter Adjusting knob Gas check button Welding parameter selector button Welding mode selector button Welding material selector button Euro torch connector Spool gun control socket Digital voltmeter Adjusting knob Synergic selector button MIG trigger mode selector button Wire diameter selector button "+"...
  • Page 12 CONTROLS Inside view Jasic MIG 250P 1. Wire spool holder and tensioner: Allows a 15Kg (300mm dia) reel of wire to be located in place via an alignment pin and then locked in place with the locking nut. The spool holder also has...
  • Page 13 CONTROLS Control panel view Jasic MIG 250P 1. Operation mode selection control dial/switch 2. Digital ammeter and system information display 3. Digital voltage and system information display 4. Parameter adjustment control dial/switch 5. Gas purge switch 6. Welding parameter area and selection switch 7.
  • Page 14 CONTROLS Operation mode selection control knob (1) This control dial knob is a combined rotary encoder and selection push button. Current setting or secondary menu can be adjusted by rotating the dial. Press the menu selection button for 2 seconds to access the secondary menu options which will be shown on the corresponding digital display, then rotating the encoder will show you the relevant options and these options can be adjusted by then rotating the ‘plate...
  • Page 15 CONTROLS Welding procedure parameters selecting zone (6) The parameter selection button (H) allows you to scroll through the MIG adjustable procedure parameters for conventional MIG and pulse MIG modes as follows: A. P-1: Gas pre-flow time (range 0.1 to 10 seconds, default 0.5) B.

  • Page 16: Error Codes

    CONTROLS Material selecting zone (9) Material indicators and selection button. Materials including carbon steel, stainless steel, aluminum-silicon alloy and aluminum-magnesium alloy can be selected by pressing the selection button. The corresponding indicator will be lit according to selected material. Note: This function is not available in Lift TIG and MMA mode. Welding wire diameter selecting zone (10) Welding wire size indicators and selection button.

  • Page 17: Mma Mode

    CONTROLS Description of welding functions and secondary menu MMA mode Select MMA mode, to turn on VRD when in MMA mode, press and activate the ‘spot’ function which when the spot LED is ON then VRD is active. (factory preset is OFF for VRD). The secondary menu includes hot start current and arc-force current adjustment;...
  • Page 18 CONTROLS Description of welding functions and secondary menu DC MIG pulse mode 1. The left encoder is pressed and held to open the secondary menu and is rotated to switch between menu modes, while the right encoder is to adjust the secondary option selected. 2.

  • Page 19: Torch Trigger Operation Modes

    CONTROLS Torch trigger operation modes 2T operation mode Press the torch trigger to ignite the welding arc, the arc is extinguished when you release the trigger. 焊枪开关 提前送气 Torch trigger Pre-flow 空载电压 No load voltage 防粘时间 送 气 Burn Gas supply 滞后送气时间...

  • Page 20: Installation

    INSTALLATION Unpacking Check the packaging for any signs of damage. Carefully remove the machine and retain the packaging until the installation is complete. Location The machine should be located in a suitable position and environment. Care should be taken to avoid moisture, dust, steam, oil or corrosive gases.
  • Page 21 INSTALLATION MIG/MAG welding Control panel model shown as example is the JM-352C Insert the welding torch (C) into the “Euro connector for torch in MIG” output socket on the front panel of the machine and tighten it. Insert the trailing cable plug (A) into the “+” output terminal of the welding machine and tighten it clockwise.

  • Page 22: Operation Mig

    OPERATION - MIG Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG/MAG standard or pulse welding mode MIG - Metal Inert Gas Welding, MAG - Metal Active Gas Welding, GMAW - Gas Metal Arc Welding MIG welding was developed to help meet production demands of the war and post war economy which is an arc welding process in which a continuous solid wire electrode is fed through a MIG welding gun and...
  • Page 23 OPERATION - MIG Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG/MAG standard or pulse welding mode (continued) Torch trigger mode Press the torch trigger operating mode button (A) to access either spot, 2T and 4T functions.

  • Page 24: Mig Quick Set-Up Guides

    OPERATION - MIG Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG/MAG standard or pulse welding mode (continued) MIG welding parameters Depending on your welding procedure or application, further welding parameter can be selected by scrolling through the MIG adjustable procedure parameters for conventional MIG and pulse MIG modes as follows: Gas pre-flow, initial current parameters, upslope time, peak welding current, downslope time,...
  • Page 25 SET-UP GUIDE STANDARD MIG/MAG For standard MIG/MAG welding, set up as below and select 2T/4T trigger mode dependant on user requirements. Material type and wire size selection will have no effect in standard MIG/MAG mode. The parameter selection button (H) allows you to scroll through the adjustable parameters for conventional MIG/MAG as follows: A.
  • Page 26 SET-UP GUIDE STANDARD (SYNERGIC) MIG/MAG For Standard (Synergic) MIG/MAG welding, set up as below and ensure you have “Synergic” mode Selected. 2T/4T trigger modes can be selected dependant on user requirements. 2T/4T Trigger selection The parameter selection button (H) allows you to scroll through the adjustable parameters for Standard Synergic MIG/MAG as follows: A.
  • Page 27 SET-UP GUIDE STANDARD (SYNERGIC) MIG/MAG Voltage Trim Adjustment Trim adjustment should be set to 0.0 to start with and adjusted based on user requirements, this is done by rotating the right hand dial when the machine is not in material thickness selection; •...
  • Page 28 SET-UP GUIDE PULSE MIG For Synergic Pulse MIG/MAG welding, set up as below and ensure you have ’Synergic’ mode turned off. 2T/4T trigger modes can be selected dependant on user requirements. 2T/4T Trigger selection The parameter selection button (H) allows you to scroll through the adjustable parameters for Pulse MIG as follows: A.
  • Page 29 SET-UP GUIDE PULSE MIG Voltage Trim Adjustment Trim adjustment should be set to 0.0 to start with and adjusted based on user requirements, this is done by rotating the right hand dial when the machine is not in material thickness selection; •...
  • Page 30 SET-UP GUIDE SYNERGIC PULSE MIG/MAG For Synergic Pulse MIG/MAG welding, set up as below and ensure you have ’Synergic’ mode selected. 2T/4T trigger modes can be selected dependant on user requirements. 2T/4T Trigger selection The parameter selection button (H) allows you to scroll through the adjustable parameters for synergic Pulse MIG/MAG as follows: A.
  • Page 31 SET-UP GUIDE SYNERGIC PULSE MIG/MAG Voltage Trim Adjustment Trim adjustment should be set to 0.0 to start with and adjusted based on user requirements, this is done by rotating the right hand dial when the machine is not in material thickness selection; •...

  • Page 32: Guide To Mig/Mag Welding

    GUIDE TO MIG/MAG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. Notes for the welding beginner This section is designed to give the beginner who has not yet done any welding some information to get them going.
  • Page 33 GUIDE TO MIG/MAG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG process description The MIG process was first patented for the welding of aluminium in 1949 in the USA.
  • Page 34 GUIDE TO MIG/MAG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG controls The main basic controls for the MIG/MAG system are as follows. Controls can be electro mechanical or electronic but the effects will be the same.
  • Page 35 GUIDE TO MIG/MAG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. Synergic Mode The synergic button when pressed allows access to the synergic programs, synergic means when a single setting is adjusted i.e.

  • Page 36: Spool Gun Operation

    Spool gun part number is TSP-250-P Spool Gun Welding Mode The Jasic MIG 250P can only be used with our optional spool gun which is a Euro style spool gun that connects to the MIG 250P via the Euro outlet connector.

  • Page 37: Mig Welding Guide

    MIG WELDING GUIDE...

  • Page 38: Mig Welding Problems

    MIG WELDING PROBLEMS Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG welding defects and prevention methods Defect Possible cause Action Porosity (within or outside the bead) Poor material Check the material is clean...
  • Page 39 MIG WELDING PROBLEMS Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MIG welding defects and prevention methods Defect Possible cause Action Burning through –...

  • Page 40: Mig Torch Spare Parts List

    JM-250P MIG TORCH SPARE PARTS LIST MIG Welding Torch Air Cooled - Model: T250 T250 Rating 230A Co2 / 200A Mixed Gases @ 60% Duty Cycle EN60974-7 Wire Size 0.8mm to 1.2mm Please Note: From December 2023 the manufacture started the process of changing the supplied MIG torch from the Titanium T250 to the Hard Core HC300.
  • Page 41 JM-250P MIG TORCH SPARE PARTS LIST MIG Welding Torch Air Cooled - Model: HC300 300A Hard Core HC300 Rating 300A Co2 / 220A Mixed Gases @ 60% Duty Cycle EN60974-7 Wire Size 0.6mm to 1.4mm Please Note: From December 2023 the manufacture started the process of changing the supplied MIG torch from the Titanium T250 to the Hard Core HC300.

  • Page 42: Operation Mma

    OPERATION - MMA Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MMA welding mode MMA (Manual Metal Arc), SMAW (Shielded Metal Arc Welding) or just Stick Welding.

  • Page 43: Guide To Mma Welding

    GUIDE TO MMA WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. Notes for the welding beginner This section is designed to give the beginner who has not yet done any welding some information to get them going.
  • Page 44 GUIDE TO MMA WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MMA process tips and guides Typical welder set up 1.
  • Page 45 GUIDE TO MMA WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. MMA arc striking Tap technique - Lift the electrode upright and bring it down to strike the work piece. After forming short circuit, quickly lift up about 2~4mm and arc will be ignited.
  • Page 46 GUIDE TO MMA WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. Fillet welding The electrode should be positioned to split the angle i.e. 45º. Again the electrode should be inclined in the direction of travel at around 10º-30º.

  • Page 47: Mma Welding Problems

    MMA WELDING PROBLEMS Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. Arc welding defects and prevention methods Defect Possible cause Action Excessive spatter (beads of metal Amperage too high for the...

  • Page 48: Operation Tig

    Please Note: The Jasic JM-250P uses a Euro style TIG torch when being used in Lift TIG mode. See options page 61 for relevant part numbers.

  • Page 49: Guide To Tig Welding

    The Jasic TIG series polarity should generally be set up for Direct Current - Electrode Negative (DCEN) as this method of welding can be used for a wide range of materials.
  • Page 50 GUIDE TO TIG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. TIG torch body and components The torch body holds the various welding consumables in place as shown and is covered by a either a rigid phenolic or rubberised covering.
  • Page 51 GUIDE TO TIG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. TIG welding electrodes TIG welding electrodes are a ‘non consumable’ as it is not melted into the weld pool and great care should be taken not to let the electrode contact the welding pool to avoid weld contamination.
  • Page 52 GUIDE TO TIG WELDING Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. TIG welding consumables The consumables of the TIG welding process are filler wires and shield gas. Filler wires Filler wires come in many different material types Filler Wire Diameter...

  • Page 53: Tig Welding Problems

    TIG WELDING PROBLEMS Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. TIG welding defects and prevention methods Defect Possible cause Action Excessive tungsten use Set up for DCEP...
  • Page 54 TIG WELDING PROBLEMS Before starting any welding activity ensure that you have suitable eye protection and protective clothing. Also take the necessary steps to protect any persons within the welding area. TIG welding defects and prevention methods Defect Possible cause Action Excessive bead build up, poor Weld current too low...

  • Page 55: Maintenance And Service Schedule Record

    MAINTENANCE The following operation requires sufficient professional knowledge on electric aspects and comprehensive safety knowledge. Make sure the input cable of the machine is disconnected from the electricity supply and wait for 5 minutes before removing the machine covers. In order to guarantee that the arc welding machine works efficiently and in safety, it must be maintained regularly.

  • Page 56: Troubleshooting

    TROUBLESHOOTING The following operation requires sufficient professional knowledge on electric aspects and comprehensive safety knowledge. Make sure the input cable of the machine is disconnected from the electricity supply and wait for 5 minutes before removing the machine covers. Before arc welding machines are dispatched from the factory, they have already been checked thoroughly.

  • Page 57: Weee Disposal

    Jasic has a relevant recycling system which is compliant and registered in the UK with the environment agency. Our registration reference is WEEMM3813AA.

  • Page 58: Ec Declaration Of Conformity

    EC Declaration of Conformity...

  • Page 59: Ukca Declaration Of Conformity

    UKCA Declaration of Conformity The manufacturer, or its legal representative Wilkinson Star Limited, declares that the equipment described below is designed and produced according to following UK legislation: - Electrical equipment safety 2016 - Electromagnetic compatibility (EMC) regulations 2016 - The restrictions of the use of certain hazardous substances in electrical and electronic equipment regulations 2012 And inspected according to following designated standards: - EN 60 974-1:2018+A1:2019...

  • Page 60: Statement Of Warranty

    This should be carried out by a suitably qualified competent person. In the unlikely event of a problem, this should be reported to Jasic technical support team to review the claim.

  • Page 61: Schematic

    SCHEMATIC Wiring diagram for the JM-250P Please note: products are subject to continual improvement / development and subject to change...

  • Page 62: Options And Accessories

    Cable Plug 35-50mm WP26-12JE WP26 Euro Style TIG Torch 4m WP26-25JE WP26 Euro Style TIG Torch 8m JH-HDX Jasic HD True Colour Auto Darkening Welding Helmet SSARG2G Single Stage 2 Gauge Argon Regulator TSP-250-P MIG250P Spool Gun DRIVE ROLL OPTIONS...

  • Page 63: Notes

    NOTES _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________ _______________________________________...

  • Page 64: Jasic Contact Details

    December 2022 Issue 11...

This manual is also suitable for:

Mig 250p compactJm-250p

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