background image

Picture 15

The  picture15  shows  when  choose  under  MMA  mode,  
adjust  the  parameter  knob,  the  meter  reads  20-220A 
adjustable,  only  AC/DC  mode  can  be  choosed,  other 
buttons can’t be used.

Picture 14

The  picture14  shows  when  choose  under  AC  mode,  press 
the  Move  Right  Selector  Menu  Button  to  AC  Frequency 
indicator  light  on,  adjust  the  parameter  knob,  the  meter 
reads 40-200HZ adjustable.

Picture 16

The  picture16  shows  when the  temperature  is  too  high  
or  abnormal the  digital  display  show"Err",abnormal light  
O.C  lights up,  this time  no output,  will have  to wait  until  

Picture 17

Press  the  left  Menu  botton  keep  3s,  "Save"  lamp  is  shine, 
the digital display shows "P01".To turn the knob can make 
the  digital  display  to  show  from  "P01"  to  "P10".  It  means 
that can store 10 sets parameters memory. Again press the 
left  Menu  botton,  "Save"  lamp  is  off,  it  means  that  the 
parameters are stored succesfully.

40

20

   e

P01

P01

Press  and  hold  the  right  Menu  button  3s,  "Load"  lamp 
lights, the digital display shows "P01".To turn the knob can 
make  the  digital  display  to  show  from  "P01"  to  "P10".  This 
means that can load 10 pre-set parameters memory. Again 
press  the  right  Menu  botton,  "Load"  lamp  is  off,  it  means 
that the parameters are loaded succesfully.

the temperature  reducing or restart the machine to return 
to normal.

Picture 18

30

Summary of Contents for TIGACDC250GD

Page 1: ...TIGACDC250GD ...

Page 2: ...1 Technical support 651 329 2686 www weldpro com Tel 651 342 1459 ...

Page 3: ...2 STOP ...

Page 4: ...hurt or property lose if it is not followed The words after this sign means there is potential risk which may cause equipment fault or break if it is not followed DANGER WARNING ATTENTION Edition The contents of this manual are updated regularity for updating of product The manual is only used as operation guide except for promises No warranties of any kind either express or implied are made in re...

Page 5: ...ELDPRO SAFETY 2 PRODUCT DESCRIPTION 3 TWO YEAR WARRANTY 4 TECHNICAL PARAMETERS 5 INSTALLATION 6 OPERATION 7 INSTRUCTION NOTES 8 MAINTENANCE AND CHECK TROUBLE 9 TROUBLESHOOTING 5 16 17 18 19 20 24 25 31 32 33 34 34 35 ...

Page 6: ...Weldpro Safety 5 Weldpro Safety ...

Page 7: ...rate maintain and repair this equipment A qualified person is defined as one who by possession of a recognized degree certificate or professional standing or who by extensive knowledge training and experience has successfully demonstrated the ability to solve or resolve problems relating to the subject matter the work or the project and has received safety training to recognize and avoid the hazards ...

Page 8: ... Owner s Manuals industry standards and national state and local codes 2 Arc Welding Hazards Electric shock from welding electrode or wiring can kill Wear dry hole free insulating gloves and body protection Do not touch electrode with bare hand Do not wear wet or damaged gloves Do not touch live electrical parts Do not use AC weld output in damp wet or confined spaces or if there is a danger of fal...

Page 9: ...ut of the fumes Do not breathe the fumes Use enough ventilation exhaust at the arc or both to keep fumes and gases from your breathing zone and the general area The recommended way to determine adequate ventilation is to sample for the composition and quantity of fumes and gases to which personnel are exposed Read and understand the Safety Data Sheets SDSs and the manufacturer s instructions for a...

Page 10: ...or explosion Use welding helmet with correct shade of filter see Section to choose the correct shade Wear welders cap and safety glasses with side shields Use ear protection when welding out of position or in confined spaces Button shirt collar Wear body protection made from durable flame resistant material leather heavy cotton wool Body protection includes oil free clothing such as leather gloves he...

Page 11: ...ause fires Have a fire extinguisher nearby and have a trained fire watch ready to use it After completion of work inspect area to ensure it is free of sparks glowing embers and flames Do not cut on containers that have held combustibles or on closed containers such as tanks drums or pipes unless they are properly prepared according to AWS F4 1 and AWS A6 0 see Safety Standards in Section 9 Plasma arc ...

Page 12: ... dry free of oil and grease and protected from hot metal and sparks Be sure input ground wire is properly connected to a ground terminal in disconnect box or receptacle Properly install ground and operate this equipment according to its Owner s Manual and national state and local codes Breathing cutting fumes can be hazardous to your health Keep your head out of the fumes Do not breathe the fumes ...

Page 13: ...ear protection when cutting out of position or in confined spaces Button shirt collat Wear body protection made from durable flame resistant material leather heavy cotton wool Body protection includes oil free clothing such as leather gloves heavy shirt cuffl ess trousers high shoes and acap Loose or incorrect hardware and fasteners can injure and damage equipment Periodically double check all nuts a...

Page 14: ...g and cutting hazards are amplified in confined spaces See ANSI Z49 1 listed in Principal Safety Standards Section 9 Cylinders can explode if damaged Confined spaces are areas which lack room for full movement and often lack ventilation such as storage tanks vats tunnels boilers pipes hold of a ship corners of a room near a ceiling or floor corner or in a pit Gases can collect and form dangerous conce...

Page 15: ...t of adequate capacity to lift and support unit If using lift forks to move unit be sure forks are long enough to extend beyond opposite side of unit Do not place unit where it can easily tip over or fall Battery charging output and battery explosion can injure Sparks can cause battery gases to explode Do not smoke and keep matches and flames away from battery Wear a face shield or safety glasses w...

Page 16: ...t will cause radio interference indoor operators shall take fully preventative measures For more information go to www P65Warnings ca gov WARNING Cancer and Reproductive Harm www P65Warnings ca gov For Diesel Engines WARNING Breathing diesel engine exhaust exposes you to chemicals known to the state of California to cause cancer and birth defects or other reproductive harm Always start and operate...

Page 17: ...ing PAC Less than 20 20 40 40 60 60 80 80 300 300 400 400 800 4 5 6 8 8 9 10 4 5 6 8 9 12 14 Torch brazing TB 3 or 4 Torch soldering TS 2 Carbon arc welding CAW 14 Plate thickness Mm in Oxyfuel gas welding OFW Light Medium Heavy Under 1 8 1 8 to 1 2 Over 1 2 Under 3 2 3 2 to 12 7 Over 12 7 4 or 5 5 or 6 6 or 8 Oxygen Cutting OC Light Medium Heavy Under 1 1 to 6 Over 6 Under 25 25 to 150 Over 150 3...

Page 18: ...for carbon steel stainless steel copper and many other metals while also being equipped with the ability to switch over to AC welding used in welding aluminum and aluminum alloys In addition to its advanced TIG welding functions the TIGACDC250GD is also a very good MMA Stick welder This AC DC TIG welder adopts our company s exclusive High Frequency technology as well as a pure square wave output e...

Page 19: ...unction by the customer was user error Weldpro may request a shipping fee refund prior to the return of the item to the customer Prior to returning any item thought to be malfunctioning or damaged due to manufacturers defect customers are required to contact Weldpro first to explain the failure and to obtain a Return Merchandise Authorization number or the item may not be covered under the terms of...

Page 20: ...ending S Post flow s No load loss W Housing protection class Insulation class Weight lb Dimensions in 20 3x9 7x22 6 51 7 Ip21 F 0 73 80 40 30 0 15 0 25 0 1 1 TIG 14 8 MMA 24 8 TIG 20 MMA 28 8 TIG 120 MMA 120 TIG 250 MMA 220 AC 115V 15 AC 230V 15 TIG 26 4 MMA 44 3 TIG 37 2 MMA 47 2 TECHNICAL PARAMETERS 60 65 HF Duty cycle Efficiency Power factor TECHNICAL PARAMETERS 19 ...

Page 21: ...ials added to them that are hazardous to breat he Wear a respirator and ANSI approved Safety goggles when grinding an Electrode The tungsten electrode needs to be properly shaped to a point When doing so it is recommended you use a dedicated grinding wheel Preferably a diamond coated wheel inexpensive and effective Also note that while grinding the tungsten to a point the grinding marks should run...

Page 22: ...o new users Generically when welding the user has a choice of polarity connections What is correct for one type of welding may be totally wrong for another type of welding On the following page we will explain what is happening and which way to connect for which type of welding 21 Insert tungsten Electrode here Ceramic Nozzle Collet Body Collet Back Cap ...

Page 23: ...Plus Dinse connector and not the negative as some consider normal When connecting the TIG Torch a gentle snug connection is all that is needed DO NOT OVER TIGHTED THE BRASS CONNECTOR 22 Set up for air cooled TIG torch Set up for water cooled TIG torch Note 120V 220V COOLER OUTLET RECOMMENDED FOR DUAL VOLTAGE Weldpro Supercool W300 ONLY WARNING DO NOT USE THIS OUTLET FOR ANY OTHER APPLICATION OR SE...

Page 24: ... and 2 release to end the weld Note Be sure the 2T function is the active setting on the face of the welder when using the foot pedal While this may be mentioned later in this manual please remember that when using your foot pedal control BE SURE YOUR STARTING AND ENDING AMPS ARE SET TO THEIR LOWEST POSSIBLE SETTING AND BE SURE YOUR UPSLOPE AND DOWNSLOPE ADJUSTMENTS ARE SET TO ZERO 23 MMA WELDING ...

Page 25: ...owest value NOTE REGARDING 4T MODE Note When switching between Trigger Button and Foot Control it may be necessary to reindex the amperage setting This simply means to adjust and reset the amperage knob on the face of the welder even if the same current setting is being used in either mode Reindexing tells the machine to recognize the newly attached device be it the button or foot control The 4T f...

Page 26: ...you are you can click either menu button to proceed left to right or right to left Some of the functions are not necessary when using the foot pedal controller because the user has complete control some of these options with that foot pedal These functions are as follows and will be explained in further detail later START AMPS UP SLOPE DOWN SLOPE END AMPS When using the foot pedal it is recommende...

Page 27: ...versing from the metal work back up into the TIG Torch tungsten bursting through the aluminum oxide layer very well but we cannot choose to weld with DC Reverse Polarity where the current flows from the metal work into the Tungsten because we would quickly melt our TIG Torch tungsten and collets The solution is to weld using AC or Alternating Current Current that switches back and forth between DC ...

Page 28: ...r Button Parameter Adjustment Knob Pressed in the knob tuning parameters is for coarse adjustment not pressed in is for fine tuning Unit of parameter Indicator Light Move Right Selector Menu Button AC DC Selector Button Pulse No pulse Button The panel picture above is for reference only If any difference with the real machine please follow with the real machine 1 2 3 4 5 6 7 9 10 11 6 7 9 10 27 8 8...

Page 29: ...press the Move Left Selector Menu Button to upslope indicator light on adjust the parameter knob the meter reads 0 15s adjustable Picture 5 The picture 5 shows press the Move Left Selector Menu Button to Start Amps indicator light on adjust the parameter knob the meter reads 5 250A adjustable Picture 6 The picture 6 shows when under pulse mode press the Move Right Selector Menu Button to Peak On T...

Page 30: ...dicator light on adjust the parameter knob the meter reads 5 95 adjustable Picture 11 The picture11 shows press the Move Right Selector Menu Button to End Amps indicator light on adjust the parameter knob the meter reads 5 250A adjustable Picture 12 The picture12 shows press the Move Right Selector Menu Button to Down Slope indicator light on adjust the parameter knob the meter reads 0 25S adjusta...

Page 31: ...o wait until Picture 17 Press the left Menu botton keep 3s Save lamp is shine the digital display shows P01 To turn the knob can make the digital display to show from P01 to P10 It means that can store 10 sets parameters memory Again press the left Menu botton Save lamp is off it means that the parameters are stored succesfully 40 20 e P01 P01 Press and hold the right Menu button 3s Load lamp ligh...

Page 32: ...e Picture 19 31 ...

Page 33: ...ators should bear in mind that maximum permissible load current relative to the selected load duration factor be observed at any time and welding current should never surpass the maximum permissible load current Over current will shorten the service life of the welder remarkably and even burn it down 3 No over voltage Power voltage is shown in the main performance parameter table In general the vo...

Page 34: ...t is oxidized without being protected effectively and you can make the following inspection BE SURE YOUR GAS IS 100 ARGON AND NOT A MIX 1 Make sure that the valve of argon cylinder has been opened with sufficient pressure As a rule if the pressure within the cylinder is lower than 0 5MPa then it is necessary to refill the cylinder 2 Check if the argon flow meter is turned on with sufficient flow You ca...

Page 35: ...al or the manufacturer for repair TROUBLESHOOTING Faults Resolvable Methods Power indicator is not lit fan does not work and nowelding output Power switch is defective Check circuit breaker and power from the circuit Try different circuit Check input cable for continuity 1 2 3 1 Power indicator is lit fan does not work no welding output check connection to wrong voltage machine may be in protectio...

Page 36: ...tch sticking argon arc welding is damaged replace it HF arc striking circuit components is damage contact point gap set incorrectly correct to approximately 25 thousandths gap 1 2 3 4 5 Abnormal indicator is lit there is no welding output Machine may be in overheated protection shut down machine unplug for 2 3 minutes and restart Maybe it is overheated protection wait for 2 3 minutes argon arc wel...

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