OPERATION INSTRUCTIONS
D I G I T A L A C / D C T I G
W E L D I N G M A C H I N E
Used for the MAX-ARC 250 AC/DC, with input power of 220/230/240V,50/60HZ.
Page 1: ...OPERATION INSTRUCTIONS D I G I T A L A C D C T I G W E L D I N G M A C H I N E Used for the MAX ARC 250 AC DC with input power of 220 230 240V 50 60HZ...
Page 2: ...TION CONDITIONS AND WORK SURROUNDING 4 MAIN TECHNICAL SPECIFICATIONS 5 SKETCH MAPS OF THE PANELS 6 DESCRIPTION OF THE CONNECTIONS 7 SPECIAL FEATURES DEFINITIONS GLOSSARY 8 METHOD OF THE OPERATION 9 MA...
Page 3: ...gine exhaust fumes outdoors 3 Do not add the fuel near an open flame welding arc or when the engine is running Stop the engine and allow it to cool before refueling to prevent spilled fuel from vapori...
Page 4: ...e insulation is large enough to cover your full area of physical contact with work and ground In addition to the normal safety precautions if welding must be performed under electrically hazardous con...
Page 5: ...vent vapors to form phosgene a highly toxic gas and other irritating products 3 Shielding gases used for arc welding can displace air and cause injury or death Always use enough ventilation especially...
Page 6: ...defrost pipes CYLINDER MAY EXPLODE IF DAMAGED CAN BE DANGEROUS 1 Use only compressed gas cylinders containing the correct shielding gas for the process used and properly operating regulators designed...
Page 7: ...he equipment according to the manufacturer s instructions 2 If any electromagnetic disturbance is noticed the user must soave the problem if necessary with the manufacturer s technical assistance 3 In...
Page 8: ...pply cables control cables signaling and telephone cables above below and adjacent to the welding equipment b radio and television transmitters and receivers c computer end other control equipment d s...
Page 9: ...crease the risk of accidents for the operators nor damage other electric equipment The earthing must be made according to the national regulations SCREENING AND SHIELDING Selective screening and shiel...
Page 10: ...it is also step less adjustable The welding performance is very good and the welding seam is nice very few spatters and low noise occurs during welding It s light in weight compact and portable It s a...
Page 11: ...protections 2 Work Surrounding Relative Humidity not more than 90 average monthly temperature not more than 20 Ambient Temperature 10 40 The welding place should not have harmful gas chemicals molds...
Page 12: ...z Pulse Width Ratio 1 100 1 100 AC AC Frequency Range 20Hz 200Hz 20Hz 200Hz TIG TIG AC Clean Width AC Balance 40 40 40 40 AC Clean Ratio AC Bias 30 50 30 50 MIX MIX Frequency 0 1Hz 5Hz 0 1Hz 5Hz TIG D...
Page 13: ...OF THE PANELS Panel connections 3 1 2 4 5 6 Item Symbol Description 1 Control Panel 2 Output connectors 3 Power Switch 4 Input power cable 1 phase 220 240V 50 60Hz 5 Gas input connector 6 Ground Earth...
Page 14: ...IG Connection for workpiece lead MMA Electrode holder or workpiece lead connection 5 Connection socket 5 pole Standard TIG torch control lead Foot pedal control lead 6 M16X1 5 connecting nipple Shield...
Page 15: ...l Description 1 MIX TIG In a cycle time that mixed with EN EP output AC TIG and EN output DC TIG 2 Electrode Dia selection 3 Spot Welding Mode 4 DC converter output arc starting of AC TIG process MIX...
Page 16: ...TURES DEFINITIONS GLOSSARY Special Features Item Symbol Description AC Wave Control System 7 AC Frequency Control AC Balance Control Independent AC Amperage Control 8 Memory with capacity of 10 sets p...
Page 17: ...ding the weld Note Set the AC Balance control for adequate arc cleaning action at the sides Wider bead and cleaning action and in front of the weld puddle AC Balance should be fine tuned according to...
Page 18: ...entration can be carried out the excellent welding performance from thin to thick plate 1 Nice weld appearance deep penetration 2 Excellent Arc Concentration 3 Substantially reduce the electrode consu...
Page 19: ...RES DEFINITIONS GLOSSARY Definitions Glossary Item Symbol Description 1 Process Selection 2 Tungsten Electrode Dia From 2 0mm to 4 0mm 3 Pulse ON OFF selection 4 2T 4T holding mode or Spot Welding mod...
Page 20: ...MIX TIG adjusting 8 MIX TIG Pulse Frequency 9 MIX TIG DC output time DC Balance 10 Push to select AC Freq AC Balance Independent EN EP Amperage for adjusting 11 AC Frequency 12 AC Balance 13 Independe...
Page 21: ...can be set separately for non latched and latched 4 Main current TIG pulse current Main current MMA I min to I max 1 A increments I min to I max 1 A increments 5 Pulse time Pulse time setting range 0...
Page 22: ...nge 1 to 100 1 increments Percentage of the main current 10 Gas post flow time TIG Setting ranges 0 1 s to 20 0 s 0 1 s increments Select welding parameters button 11 This button is used to select the...
Page 23: ...r to Electrode holder and Positive output connector to Earth clamp At such regular connection method we can get deep Penetration and soft Splash 1 2 4 3 2 1 Item Symbol Description 1 Electrode holder...
Page 24: ...process Item Symbol Description 1 Process selection switch DC MMA 2 Main Current indicating lamp AMP on the face panel would be light 3 Adjust the Encoder switch to proset change the welding current...
Page 25: ...Connection socket welding current 3 Welding current lead connection for TIG welding torch Connection socket 4 5 5 pole Standard TIG torch control lead Foot pedal control lead 5 M16X1 5 connecting nip...
Page 26: ...process Item Symbol Description 1 Select the welding process DC TIG 2 Pulse ON OFF selection 3 2T 4T holding mode selection 4 Select and adjust the welding parameters 5 Used to connect the foot pedal...
Page 27: ...G process Item Symbol Description 1 Select the welding process AC TIG 2 Select the Dia of Tungsten Electrode 3 Pulse ON OFF selection 4 2T 4T holding mode selection 5 Arc start position DC DC 6 Select...
Page 28: ...AC TIG process Item Symbol Description 7 Select and adjust the welding parameters 8 Push to select AC Freq AC Balance Independent EN EP Amperage for adjusting 9 Used to connect the foot pedal 10 Memo...
Page 29: ...ption 1 Select the welding process AC TIG 2 Select the Dia of Tungsten Electrode 3 2T 4T holding mode selection 4 Arc start position DC DC 5 Select to adjust MIX TIG Pulse Freq MIX TIG DC Balance 6 Se...
Page 30: ...8 METHOD OF THE OPERATION Operation 2 4 MIX TIG process Item Symbol Description 8 Memory is available for all the process 28...
Page 31: ...is memory channel Also it s available to adjust the parameters and re store the settings into same memory channel or new channel Store the settings to Memory 1 Select a memory channel to store the rec...
Page 32: ...still doesn t work please maintain or replace the display PCB Observe that whether the min max value on LED accords with the set value If there is any difference and it has affected the normal welding...
Page 33: ...something in the fan Clear out 2 the power light is on but fan doesn t work The fan motor damaged Change fan motor Turn on the power source and No input Check whether there is input 3 the power light...
Page 34: ...setting is incorrectly value The welding current can not The welding current potentiometer Repair or change the 8 be adjusted in the front panel connection not potentiometer so good or damaged 9 The p...
Page 35: ...11 SCHEMATIC BLOCK DIAGRAM 33...
