Jasic MIG250P Manual Download | Manualshive

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Summary of Contents for MIG250P

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Page 3: ...E AND DESCRIPTION 10 7 MIG INSTALLTION DEBUGGING AND OPERATION 14 8 MMA INSTALLATION DEBUGGING AND OPERATION 23 9 DESCRIPTION OF FAULT ALARM AND FAULT CODE ON FRONT PANEL 26 10 ATTENTION 26 11 REPAIR AND MAINTENANCE 27 12 CARRY AND STORAGE 27 13 FAILURE AND MAINTENANCE 28 14 MAIN CIRCUIT SCHEMATIC DIAGRAM AND WIRING DIAGRAM FOR CONTROL WIRE OF WIRE FEEDER 30 ...

Page 4: ...sic Technology Co Ltd for products purchased for three years date from being purchased Please read this manual carefully before operation 1 This manual can be revised at any time without prior notice 2 This manual has been checked carefully but should you find any inaccuracy please contact us 3 This manual was released in May 2019 SHENZHEN JASIC TECHNOLOGY CO LTD Address No 3 Qinglan 1st Road Ping...

Page 5: ...othes Be sure you are insulated from ground and workpiece Confirm the safety of your working position Smoke may be harmful to your health Keep your head away from the smoke to avoid inhalation of waste gas in welding Keep the working environment well ventilated with exhaust or ventilation equipment when welding Arc radiation may hurt your eyes and burn your skin Use proper welding mask and wear pr...

Page 6: ...e closed and located correctly Failure seek professional support when trouble strikes When trouble strikes in installation and operation please inspect according to related contents in this manual If you still cannot understand fully or you still cannot solve the problem please contact the dealer or the service center of JASIC to obtain professional support 2 PRODUCT OVERVIEW 2 1 Advanced IGBT inv...

Page 7: ...lding modes include MMA lift TIG DC MIG MAG digital control and humanized operation panel is available 2 3 3 Functions such as accurate preset current voltage 2T 4T operation mode synergic gas selection wire diameter selection electronic inductance adjustment and on demand fan and so on are available 2 3 4 Effective protective functions including over current overload current sharing etc are avail...

Page 8: ...e 13 5V 36V AC230V Single phase Welding current MMA 15A 20 6V 250A 30V Lift TIG 15A 10 6V 250A 20V MIG pulsed MIG 40A 16V 250A 26 5V Output characteristic MIG MAG CV MMA CC Ambient Operation temperature 10 40 Storage temperature 25 55 Protection class IP21S Insulation class F Cooling method Air cooling Others Rated efficiency 82 Dimension of bare welding source 895 445 760 mm Dimension of packaged...

Page 9: ...9 5 EXTERNAL CHARACTERISTIC CURVE External characteristic for MMA External characteristic for MIG MAG Welding current I A Welding current I A Welding voltage U V Welding voltage U V ...

Page 10: ...aluminum silicon aluminum magnesium selection 6 Euro output connector Euro torch connector for MIG 7 Polarity adapter Euro output socket for polarity selection 8 Segment display Display welding voltage and welding parameters setting 9 Adjusting knob Setting for welding parameters and board thickness 10 Synergic button Synergic separated selection 11 Welding function button Parameters setting for p...

Page 11: ...one Base metals indicator and selection button are included Base metals including carbon steel stainless steel aluminum silicon alloy and aluminum magnesium alloy can be selected by pressing the selection button Corresponding indicator will be on according to selected base metal Note This function is unavailable for lift TIG and MMA No Component name Component function 1 Power switch Switch power ...

Page 12: ...ng indicator will be on according to selected welding wire Note This function is unavailable for lift TIG and MMA Picture 1 5 Welding procedure parameters selecting zone Parts such as procedure parameters indicator right cycle selection button etc are included Procedure parameters including preset parameter pre flow time initial parameters speed current and voltage upslope parameter time downslope...

Page 13: ...g current actual voltage value will be displayed Picture 1 8 Operation modes selecting zone Operation encoder and selection button are included Current setting or secondary menu can be adjusted by rotating the encoder Selection button is pressed to open secondary menu in which options can be switched by rotating the encoder Picture 1 9 Parameters adjusting knob zone Operation encoder and selection...

Page 14: ...S crater time It indicates 12 3V crater voltage It indicates 1 2S spot time 6 2 2 4 Pulse MIG mode 1 Left encoder is pressed to open the secondary menu and is rotated to switch menu mode while right encoder is to adjust voltage tuning and select board thickness 2 Secondary menu includes frequency tuning duty ratio tuning electronic inductance and spot time effective under spot mode It indicates fr...

Page 15: ...lectrician Do not connect two welders to the same fuse box If enclosure is connected to GND wire 4 is not connected to GND 7 1 Installation 7 1 1 Power cord installation Welder power cord is connected to 50Hz 60Hz AC grid via fuse of 60A or more 7 1 2 Ground wire connection Cable plug with earth clamp is inserted into the socket at the bottom of the front panel and is tightened 7 1 3 Gas pipe conn...

Page 16: ...ch trigger is pressed without welding current for 4S which automatically switches to quick wire feeding mode Wire feeder will stop working after torch trigger is released Wire feeding will stop after quick wire feeding lasts for 45S Attention Be careful when sharp welding wire is fed from contact tip of torch during manual wire feeding It is prohibited to eyeball welding wire by getting close to t...

Page 17: ... operation mode Torch trigger is pressed to ignite arc and is released to extinguish arc 提前送气空载电压防粘时间滞后送气时间慢送丝焊接中焊接电流送丝输出端子间电压送气焊枪开关 ON OFF 焊接过程中请将焊枪开关始终设为 ON 7 2 5 2 4T operation mode When torch trigger is pressed to ignite arc welding begins and continues to work even if torch trigger is released current adjusting and voltage setting knobs on wire feeder can adjust welding condition ...

Page 18: ... be widely applicable in common metals 7 4 WELDING PROCESS REFERENCE 7 4 1 Welding current selection After preparation welding current setting can begin Short circuiting transfer which occurs under thin wire low voltage and mini current is suitable to thin wire with diameter less than φ1 6mm Under this circumstance welding is stable with less spatter and nice shape of weld bead In order to ensure ...

Page 19: ... flow should be low As for solid wire welding shielding gas should be reduced or removed Below is figure Welding method Φ0 8 Φ1 0 φ1 2 Thick wire with max current welding Gas flow L min 5 10 5 12 15 20 20 25 7 4 5 Extension cord modification Synergic voltage of this welder is stipulated based on standardized 3m welding cable 25mm When extension cord is applied welding voltage becomes low and unsta...

Page 20: ... 8 60 70 17 18 45 55 8 1 1 0 0 0 8 70 90 18 19 45 55 8 1 1 2 0 0 8 80 90 18 19 45 55 8 10 1 1 6 0 0 8 90 110 19 20 45 55 8 10 1 2 0 0 0 5 1 0 80 90 18 19 40 55 8 10 1 2 3 0 5 1 0 1 0 90 100 19 19 5 50 55 10 15 1 3 2 1 0 1 2 1 0 100 120 20 21 40 50 10 15 1 4 5 1 2 1 5 1 0 120 150 21 22 40 50 10 15 1 7 5 1 2 Parameters of fillet welding in the flat position ...

Page 21: ... 1 0 120 140 20 22 45 55 10 15 4 5 4 0 4 5 1 0 150 200 22 26 45 55 10 15 7 5 1 3 Parameters of fillet welding in the vertical position Board thickness t mm Dimension of fillet weld I mm Welding wire diameter φ mm Welding current A Welding voltage V Welding speed cm min Gas flow L min 1 2 2 5 3 0 0 8 70 90 18 19 50 60 8 1 6 2 5 3 0 0 8 80 90 18 19 50 60 8 10 2 0 3 0 3 5 0 8 90 110 19 20 50 60 8 10 ...

Page 22: ... 50 8 10 3 2 B 1 0 90 100 19 19 5 45 50 10 15 4 5 B 1 0 100 120 20 21 40 45 10 15 7 5 2 Mixed gas arc MAG welding parameters Material carbon steel shielding gas Ar CO2 Mixed gas 8 12L min Form Board thickness mm Welding wire diameter φ mm Gap g mm Welding condition Current A Voltage V Welding speed cm min I type 1 0 0 8 0 50 70 15 17 40 55 1 2 0 8 0 60 80 16 17 30 50 1 6 0 8 0 80 90 17 18 40 60 2 ...

Page 23: ...n box as indicated in 7 1 1 8 1 2 MMA mode is selected 8 1 3 Cable plug with electrode holder should be inserted into the socket on the front panel and be tightened 8 1 4 Cable plug with earth clamp should be inserted into the socket on the front panel and be tightened 8 1 5 Ground connection is necessary 8 1 3 and 8 1 4 refer to DCSP connection Operators can select connection method according to ...

Page 24: ...4 Note Above is DCRP Please exchange quick plug of electrode holder and that of earth clamp to plug into the output quick socket of the welder Earth clamp Electrode holder Weldment Cable Distribution box ...

Page 25: ...ut adjusting the knob ammeter displays welding current setting value after 3S 8 3 3 Electrode is clamped by electrode holder to weld with short circuit striking arc Please refer to 8 4 for welding parameters Ammeter displays actual welding current value during the welding 8 4 Welding process quick search for MMA for reference Electrode diameter mm Recommended welding current A Recommended welding ...

Page 26: ...corrosive chemical gas 10 1 5 MIG should be operated in environment without strong airflow 10 2 Good ventilation This welder can create powerful welding current that has strict cooling requirements that cannot be met with natural ventilation Therefore fan on back panel is very important in enabling the machine to work steadily with effective cooling The operator should make sure that the louvers b...

Page 27: ... Clean the dust periodically with dry and clean compressed air If welding environment with heavy smoke and pollution the machine should be cleaned monthly The pressure of compressed air should be at a proper level in order to avoid the small parts inside the machine being damaged 11 4 Avoid water and vapor infiltrating the machine If there is dry it and use tramegger to check the insulation of the...

Page 28: ...er displays E 1 Power inverter fails or auxiliary power supply is abnormal Disconnect the power cable after shutdown and check auxiliary power board There is no response and abnormity indicator is off after torch trigger is pressed Torch is not well connected Torch trigger fails Reconnect the torch Repair or replace the torch There is gas output and wire feeding after torch trigger is pressed but ...

Page 29: ...orch is seriously worn Welding wire is of poor quality Appropriately adjust the moment of wire feeder Select suitable wire feed rollers and welding wire Replace the torch contact tip Replace the wire pipe Replace with welding wire of better quality Gas meter does not heat Heater plug is not well connected Electric heater in the gas meter is damaged There is open circuit on the fuse of heating sour...

Page 30: ...IT SCHEMATIC DIAGRAM AND WIRING DIAGRAM FOR CONTROL WIRE OF WIRE FEEDER This product is being improved thus other parts may be different except for function and operation Your understanding would be greatly appreciated ...

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