PowerTherm MAX125 User Manual
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PowerTherm MAX125 User Manual

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PLASMA CUTTER
MAX 45/125
USER`S MANUAL
Read me first
Thank you for using welder ! For the important safety of your body,
please read this manual book and understand its contents before
operation. Thank you for your cooperation!

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  • Page 1 PLASMA CUTTER MAX 45/125 USER`S MANUAL Read me first Thank you for using welder ! For the important safety of your body, please read this manual book and understand its contents before operation. Thank you for your cooperation!

  • Page 2: Table Of Contents

    Content 1. Use and Characteristic： ..................2 2. Safty Precaution ....................2 3. Precautions of electromagnetic compatibility ............. 5 4. Main technical information ................. 7 5. Installation： ....................... 8 6. Model establishment and illustration： .............. 9 7. Brief description of the principle：..............10 8.

  • Page 3: Use And Characteristic

    Use and Characteristic CUT series of inverter air plasma cutting machine which could be used for the cutting of various metal materials, such as stainless steel, alloy steel, carbon steel, cast iron, copper and aluminum. As this series of arc welding power source possesses ideal external characteristics and excellent dynamic characteristics, and it's control function is perfect, it has the following features: ...
  • Page 4  Ensure to invite professional electrician to connect power source in welding machine with copper conductor with specific cross section. The insulating sheath cannot be damaged.  Ensure to insulate the body and base metal when working in the wet and restricted area. ...
  • Page 5 To prevent the rotating moving parts wounding  Must not make fingers, hair and clothes close to the cooling fan and wire feed roll and other rotating parts.  When feeding wire, must not make the welding gun end close to eyes, face and body to avoid wire damaging person.

  • Page 6: Precautions Of Electromagnetic Compatibility

    Precautions of electromagnetic compatibility 1. Overview Welding brings electromagnetic interference. Minimize the interference emission of arc welding equipment with proper installation way and correct application method. The products described in the manual belong to Class A equipment (all occasions except residential area powered by public electrical power system).
  • Page 7 The arc welding equipment shall be connected into public power supply system with the method recommended by the manufacturer. In case of interference, please take addition preventive measures, such as connecting filter with public power supply system. Ensure to consider power able shielding for fixed arc welding equipment. The power cables can be shielded with the metal pipe or other equivalent methods.

  • Page 8: Main Technical Information

     Shielding The shielding of surrounding equipment and other cables can reduce the electromagnetic interference. The whole welding area can be shielded for special applications. Main technical information 1. Main technical parameter model MAX45 MAX125 parameter Power voltage (V) AC220V±15％ AC380V±15％...

  • Page 9: Installation

    2. Requirement of the input power source  Waveform: standard pure sine wave  Fluctuation range: 220V or 380V ±15%  Frequency: 50Hz/60Hz 3. Input power Model MAX45 MAX125 Input power AC220V±15% AC380V±15% Min. power of power grid Fuse...

  • Page 10: Model Establishment And Illustration

    4. Installation of the machine The power supply of this series of products should be single phase AC 220V 50/60Hz. Use a distribution cabinet with an automatic air switch. Ensure safe grounding. 4.1 CUT welding：  Connect the earth cable to the positive pole, cut torch to the negative pole. ...
  • Page 11 The welding machine adopts IGBT high frequency inverter technology, power frequency 220V or 380V power input，direct rectification and then sent to the inverter composed of IGBT and other components to become high frequency alternating current, high frequency alternating current obtained after inverter is passed through high frequency transformer after the step-down,high frequency rectifier rectifies and filters, the output is suitable for the DC current of the welding.

  • Page 12: Operation And Instruction

    As shown in table4, control panel is used for selecting functions and setting data of welding machine. Control panel including digital display、adjusting knobs、selection keys and LED indicator lights. table MAX45 ( 1.1.1 MAX45 Functions selection and data setting. ① Displayer: Display the current value； CURRENT ②...
  • Page 13 ④ Over heat indicator light: Over heat: machine is protected from over temperature , leave the machine unloaded ,after cooling it can work as usual； 1.1.2 MAX125 Functions selection and data setting. ① Displayer: Display the current value； CURRENT ② ：...
  • Page 14 ⑤ 2T/4T change-over switch : Under 2T operation, the machine starts working after pressing the switch of torch, the machine stops welding when releasing the switch. Under 4T operation, press the switch for the first time, it gives machine start-arc current, release the switch, current begins climbing to the normal welding current.
  • Page 15 ① Cathod output gas-electric connector: connect cut torch under mode； ② Torch switch inferface:connect cut torch swith； ③ Anode output inferface:connect earth clamp under mode； (MAX45) From left： ① Cathod output gas-electric connector: connect cut torch under mode； ② Torch switch inferface: connect cut torch swith；...
  • Page 16 2.Installation instruction： Note:Please strictly follow below steps to install and debug! Before electrical connect operation the user has to turn off the power switch of the distribution panel! This equipment protection level is IP21,avoid using in rain!  Connect the welding input power wire to the corresponding voltage level and ≥60A circuit breaker (connect the power wire ≥4²);...
  • Page 17 2.1 CUT welding 2.1.1 MAX-45 - 16...
  • Page 18 Adjust electric current ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Connect cutter torch, torch switch, workpiece clamp. - 17...
  • Page 19 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Using Teflon tape to wrap the pressure reducing value components, and install into the recducing pressure reducing； Open the lid， Rotate through the direction of “+” until adjust the pressure to around 0.4Mpa，Install the lid back.。...
  • Page 20 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Turn on the air compressor, set up cutting electric current, tilt estimated 0-15degree angle，Turn on the torch switch when the nozzle connect the workpiece，move slowly. Turn off the torch switch when finish.
  • Page 21 2.1.2 MAX-125 - 20...
  • Page 22 Adjust the button into the “2T”， “Normal cutting”， “Work”，Adjust the electric currency suitable，meanwhile adjust the air compressor into 0.4-0.6Mpa. Adjust the button“2T/4T”“Normal cutting/Reticular cutting”according to needs. ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Connect cutting torch ，torch switch，ARC，workpiece clamp。...
  • Page 23 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Using Teflon tape to wrap the pressure reducing value components, and install into the pressure reducing value； Open the lid， Rotate through the direction of “+” until adjust the pressure to around 0.8Mpa，Install the lid back.。...
  • Page 24 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Turn on air compressor, set up cutting electric current，Adjust the rolling wheel and nozzle to keep estimated 3-5mm、tilt estimated 0-15degree angle ，Turn on the torch switch when the rolling wheel connect the workpiece，move slowly.
  • Page 25 2.1.3 How to adjust the electric current, pressure, nozzle. Keep the pressure 0.4-0.6Mpa：bigger current, thicker metal plate，increase the pressure appropriately。 Small cutting current and too big air flow leads to arc breaking due to the strong cooling effect。 The size of electrode and cutting tip should match the cutting current well。Matching relation between cutting current and cutting tip as shown in the table below：...

  • Page 26: Welding Machine Precautions And Maintenance

    Welding machine precautions and maintenance 1. Safety points The welding machine is quipped with overcurrent and overheat protection circuits.When the gird voltage,output current and internal temperature exceed the set standard the welding machine will automatically stop working,but excessive use(such as excessive voltage) will still lead to welding,The machine is damaged,so you still need to pay attention to the following: ...
  • Page 27 corresponding preventive measures。  It is forbidden to use the welding machine for thawing pipes。  The back of each welding machine is attached with a ground screw, and marked with a ground mark. Before use, select a cable with a section greater than 2.5mm2 and ground the welding machine shell reliably to release static electricity or prevent accidents that may occur due to electricity leakage.
  • Page 28  If the welder is not used for a long period of time, seal it in the original packaging and store in dry condition. 3. Before maintenance Warning： ！ Blind experiments and imprudent overhaul could lead to the expansion of failure,and difficulty for a formal maintenance.Electronic equipment in the state of the exposed part of a voltage can lead to dangers.any direct or indirect contacts may lead to electric shocks incidents,and serious electric shock will cause death!!!

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