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LOKERMANN Grand Tig 200, User Manual

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USER MANUAL

INVERTER Based Welding Machines

 

IMPORTANT

: Read this OPERATOR MANUAL together 

with PRESCRIPTION AND COMPLIANCE MANUAL before 

to use this equipment. In case of loss one of two parts 

contact immediately your dealer.

Allow the operator to consult this manual.

 

GRAND TIG 200 

AC DC PULSE PFC MV

Summary of Contents for Grand Tig 200

Page 1: ...TANT Read this OPERATOR MANUAL together with PRESCRIPTION AND COMPLIANCE MANUAL before to use this equipment In case of loss one of two parts contact immediately your dealer Allow the operator to cons...

Page 2: ...ng 3 3 2 Operation for MMA Welding 3 4 Installation Operation for TIG Welding 3 4 1 Set up installation for TIG Welding 3 4 2 Operation for TIG Welding 3 4 3 Remote current control 3 4 4 Tig Welding T...

Page 3: ...ilding and other activities that are taking place The surrounding area may extend beyond the boundaries of the premises requirement and the EUT belongs to Group 2 Class A not intended for use compatib...

Page 4: ...rth because of its size and position for example ship s hull or building steelwork a connection bonding the workpiece to earth may reduce emissions in some but not all instances Care should be taken t...

Page 5: ...ow EMF interference 2T 4T Repeat trigger control AC waveforms include square wave sine wave triangular wave AC balance control monitors the oxide and helps better cleaning uring aluminum welding Digit...

Page 6: ...nsions of Machine L W H mm 630 240 425 Net Weight Kg 17 2 2 Technical Data Grand Tig 200 AC DC Pulse PFC MV adopt the latest Pulse Width Modulation PWM technology and the Insulated Gate Bipolar Transi...

Page 7: ...n according to different electrodes 2 For AC MMA magnetic flow caused by invariable DC polarity can be avoided 3 For DC TIG DCEP is used normally workpiece connected to positive polarity while torch c...

Page 8: ...Duty cycle and Over heat Relation of welding current and duty cycle for GRAND TIG 200 AC DC PFC MV The working principle of TIG series of welding machines is shown as the following figure Single phase...

Page 9: ...2 600A U2 10 0 04 I2 V When I2 600A U2 34 V 67 34 10 0 600 I2 A U2 V Working point Volt ampere characteristic The relation between the conventional loading voltage and welding current 3 Installation O...

Page 10: ...0 MMA welding current setting Indicator 21 MMA arc force setting Indicator 22 2T 4Ttrigger mode selector button 23 TIG parameter setting indicator 24 Parameter select adjust Knob 25 Welding current mo...

Page 11: ...knob Water Cooling System Error Indicator 12 When using the integrated water cooler the system is equipped with a pressure sensor If the coolant pressure is insufficient this indicator will light and...

Page 12: ...ng current to increase 0 is Arc Force off 10 is maximum Arc Force This is practically useful for electrode types that have a higher operating voltage requirement or joint types that require a short ar...

Page 13: ...perator to complete the weld without leaving a crater at the end of the weld pool Unit S and setting range 0 10 0S End current setting indicator 7 Available in 4T trigger mode only sets a welding curr...

Page 14: ...p shape for a more defined arc setting range 5 5 AC Frequency Adjustment 14 Only available in AC welding mode 27 28 29 Increasing AC frequency will focus the shape of the arc resulting in a tighter mo...

Page 15: ...24 and the program number 1 9 will show on the display the JOB indicator will be lit Adjust to the program number required by rotating the control knob Once the program is accessed it will automatica...

Page 16: ...goes beyond the safe work voltage range it will shorten the welder life span The below measures can be used Change the power supply input net Such as connect the welder with the stable power supply vo...

Page 17: ...the electrode lead to tighten clockwise 4 Each machine is equipped with a power cable should be based on the input voltage welding power cable connected to the appropriate position not to pick the wr...

Page 18: ...elding If necessary readjust the Welding parameters control knob to obtain the welding condition required 7 After completion of welding the Power Source should be left turned ON for 2 to 3 minutes Thi...

Page 19: ...nnect the TIG torch cable to tighten clockwise 3 Connect TIG torch gas connection to the TIG gas outlet and TIG torch remote plug to remote socket ensuring all connections are tight 4 If using a water...

Page 20: ...ximum set using the machine current control Using an up down button remote signal the current may be increased or decreased in 1A increments or scrolls up to 30A at a time if the button is held down T...

Page 21: ...rch at about a 75 angle and move smoothly and evenly along the joint while fusing the materials TIG Welding with Filler Wire Technique It is necessary in many situations with TIG welding to add a fill...

Page 22: ...anced Wave 0 8 Zirconiated AC Current Amps Balanced Wave 0 8 Zirconiated 1 0mm 15 80 15 80 20 60 1 6mm 70 150 70 150 60 120 2 4mm 150 250 140 235 100 180 3 2mm 250 400 225 325 160 250 4 0mm 400 500 30...

Page 23: ...ssibility of the point falling off into the weld pool Electrode Included Angle Taper DC Welding Tungsten electrodes for DC welding should be ground longitudinally and concentrically with diamond wheel...

Page 24: ...l is not set too high on the balance reduce to lower setting 2 Contaminated tungsten Touching tungsten into the weld pool Keep tungsten from contacting weld puddle Raise the torch so that the tungsten...

Page 25: ...en melting into the weld pool Check that correct type of tungsten is being used Too much current for the tungsten size so reduce the amps or change to a larger tungsten 7 Arc wanders during welding Po...

Page 26: ...the remote control panel or foot pedal has higher priority level 7 When the remote control panel or foot pedal is idles for 10 seconds it will automatically go into sleep mode 8 Only front Panel Cont...

Page 27: ...orrosive gas in the surrounding air or substance cannot exceed normal standard Take care that there is sufficient ventilation during welding There must be at least 30cm free distance between the machi...

Page 28: ...lace the display PCB Observe that the min max values on LED agree with the set value If there is any difference and it has affected the normal welding results please adjust it Check whether the fan is...

Page 29: ...tput The welding cable damaged Repair or change it The earth cable connected unstably Check the earth cable The welding cable is too long Use an appropriate welding cable There is oil or dust on the w...

Page 30: ...ermal protection always on E04 Over heating 4th thermal relay Red lamp thermal protection always on E09 Over heating Program in default Red lamp thermal protection always on Welding machine E10 Phase...

Page 31: ...4 4 Electrical schematic drawing...

Page 32: ...LOKERMANN Srl Via Produzione 16 18 37044 Cologna Veneta VR Italy Tel 39 0442 1722469 lokermann lokermann eu www lokermann eu...

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