Alfa IN ALFIN 300 AC/DC Operating And Maintenance Manual
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Alfa IN ALFIN 300 AC/DC Operating And Maintenance Manual

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WELDING MACHINE
ALFIN 300 AC/DC
OPERATING AND MAINTENANCE MANUAL
ALFA IN a.s. ©
www.alfain.eu
ALFIN 300 AC-DC manual EN 01

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Summary of Contents for Alfa IN ALFIN 300 AC/DC

  • Page 1 WELDING MACHINE ALFIN 300 AC/DC OPERATING AND MAINTENANCE MANUAL ALFA IN a.s. © www.alfain.eu ALFIN 300 AC-DC manual EN 01...

  • Page 2: Table Of Contents

    11. 2-STROKE (2T) AND 4-STROKE (4T) MODES......35 12. JOB MANAGEMENT ..............37 13. RESET .................... 38 14. MAINTENANCE AND SERVICE TESTS ........39 15. SERVICE ..................39 16. DISPOSAL OF ELECTRICAL WASTE ........... 41 17. WARRANTY ..................41 ALFA IN a.s. © www.alfain.eu...

  • Page 3: Introduction

    The ALFIN 300 AC/DC is an inverter welding current generator that welds in the following methods: TIG AC...

  • Page 4: Work Safety

    4. When handling the machine using the lifting device, hang the machine on all the suspension eyes (not standard equipment, not possible on all ALFA IN machines). Other attachment methods are not permitted. 5. Before any intervention in the electrical part, removal of the cover or cleaning, the device must be disconnected from the mains.

  • Page 5: Operating Conditions

    The manufacturer is not liable for damage caused by improper use and operation. Only use original ALFA IN spare parts for maintenance and repair. 2. The equipment complies with IEC 61000-3-12. 3. The welding machine is tested according to the IP23S degree of...
  • Page 6 During operation, the equipment may be a source of interference.   Notice The user is advised that he is responsible for any interference from welding. ALFA IN a.s. © www.alfain.eu...

  • Page 7: Technical Data

    A torch equipped with a potentiometer for remote control of the welding current can be connected to the machines.   Notice The torch must be selected according to the current range. ALFA IN a.s. is not responsible for damage to welding torches due to overload. ALFA IN a.s. © www.alfain.eu...

  • Page 8: Description Of Machine And Functions

    6. DESCRIPTION OF MACHINE AND FUNCTIONS FRONT PANEL Fig. 1 Front panel Pos. Description (-) Welding cable quick connector Connector for torch gas hose connection Connector for control from the welding torch (+) Welding cable quick connector ALFA IN a.s. © www.alfain.eu...
  • Page 9 Main switch (When the main switch is in position I - on and the machine is switched in MMA mode, there is voltage between the + and - output terminals!) ALFA IN a.s. © www.alfain.eu...
  • Page 10 AC TIG If the light is on, you can change the AC TIG BALANCE parameter. AC TIG If the light is on, you can change the ELECTRODE DIAMETER parameter. Lights up when there is voltage at the output sockets. Lights up in case of error. ALFA IN a.s. © www.alfain.eu...
  • Page 11 Holding the button for 3 seconds opens access to save/delete JOBs. One button press allows you to select the parameters of the first MENU level. Holding the button for 3 seconds opens access to the second MENU level ALFA IN a.s. © www.alfain.eu...
  • Page 12 Maximum welding current that can be achieved with the remote control. Hot-start It facilitates ignition; the risk of high values is the burning of weaker materials, spattering during ignition and a large ignition area. A low value makes it harder to ignite the arc. ALFA IN a.s. © www.alfain.eu...
  • Page 13 In TIG DC welding, the BILEVEL welding current is helpful when welding materials of different thicknesses. The BILEVEL welding current is useful in changing the heat output in TIG AC welding. When the weldment is heated to the point where there ALFA IN a.s. © www.alfain.eu...
  • Page 14 End current It allows the same appearance of the weld at the beginning and the end. POST-GAS time The time for which the shielding gas supply is ensured after the welding arc is extinguished. ALFA IN a.s. © www.alfain.eu...
  • Page 15 Multi-tack Allows welding of thin sheets without deformation. The consequence of high values is the possibility to weld thin sheets without deformation. Less material is melted, and the welding process is slower. ALFA IN a.s. © www.alfain.eu...
  • Page 16 Consequences of higher values: concentrated arc, reduced heat affected zone, slower melting speed. The following figures show an example where the wave in the second graph has twice the wave's frequency in the first graph. ALFA IN a.s. © www.alfain.eu...
  • Page 17 3: Available with setting "HF ARC START "= ON 4: Not available with active parameter "MULTI TACK " 5: Available with parameter "PULSE TYPE "= slow 6: Available with parameter "PULSE TYPE "= fast ALFA IN a.s. © www.alfain.eu...
  • Page 18 18/41 ALFA IN a.s. © www.alfain.eu...
  • Page 19 19/41 ALFA IN a.s. © www.alfain.eu...

  • Page 20: Commissioning

    Be careful that the electrode does not touch any metallic material because in this mode when the machine is switched on, the welding voltage is permanently applied to the quick couplers of the welding machine. ALFA IN a.s. © www.alfain.eu...
  • Page 21 3. Unscrew the screws, shown in picture below. 4. Loose 6pcs of the screws. 5. Place the ALFIN 300 AC/DC on top of the cooling unit. 6. Secure the connection of both devices by tightening the screws you previously removed from the welder.
  • Page 22 3. Connect the torch gas hose to the A2 connector 4. Connect the torch control cable to connector J2 5. Connect the gas hose from the gas bottle to connector A1 6. Alternatively, connect the remote control connector to connector J1. ALFA IN a.s. © www.alfain.eu...
  • Page 23 KIND OF PULSE SLOW (*2) SLOW FAST (*3) PILOT ARC 1* Parameter values can be changed in % or absolute values A 2* This setting allows slow pulse mode 3* This setting enables fast pulse mode ALFA IN a.s. © www.alfain.eu...
  • Page 24 Check working the indicator light disabled. If the conditions to ensure Overheating goes out and the cooling unit is adequate ambient machine switches switched on, it temperature. on the functions by also runs. itself. ALFA IN a.s. © www.alfain.eu...

  • Page 25: Mma Welding

    1. Press and hold the S3 button for 3 seconds to open the second level of the MMA menu. L.2=LEVEL.2=2nd MENU level will appear on the D1 display. The selected parameter and its value will be displayed on the ALFA IN a.s. © www.alfain.eu...
  • Page 26 D2 display. 2. You can change the parameters with the encoder E1, which are automatically saved. 3. Pressing any button other than S1 will exit this menu. PARAMETER DEFAULT NOTES DYNAMIC ARC ALFA IN a.s. © www.alfain.eu...

  • Page 27: Dc Tig Welding

    The value is expressed as a percentage of the main welding BASE current CURRENT The value is set automatically. SYN SYN Only works with the SLOW PULSE PEAK TIME 0.1s 5s option. ALFA IN a.s. © www.alfain.eu...
  • Page 28 The value can be set as a percentage of the main welding STARTING current or as a value in amperes. CURRENT SLOPE UP 0.0s 0.0s SYN = value is set automatically by the microprocessor based on the set ALFA IN a.s. © www.alfain.eu...
  • Page 29 If the REMOTE CONTROL function is active, the welding is performed without SLOPE UP, SLOPE DOWN and all special functions. MINIMUM Functional in length control mode and PEDAL when a pedal is connected. CURRENT ALFA IN a.s. © www.alfain.eu...

  • Page 30: Ac Tig Welding

    2 STEP 2T SPOT AC TIG LEVEL 1 PARAMETERS 1. Press the S3 button, and the first level of the AC TIG menu will open. The selected parameter and its value will be displayed on the ALFA IN a.s. © www.alfain.eu...
  • Page 31 31/41 D2 display. 2. You can change the parameters using the encoder E1. 3. Press any button other than S3 to save the changes and exit this menu. ALFA IN a.s. © www.alfain.eu...
  • Page 32 Only works with "HF ARC START" = ON The value can be set as a percentage of the main 200% STARTING welding current or as a value in amperes. CURRENT 300A SLOPE UP 0.0s 0.0s 25.0s ALFA IN a.s. © www.alfain.eu...
  • Page 33 Working in 2T LIFT ARC, 2T HF is possible with the foot pedal. When the REMOTE CONTROL function is active, welding is carried out without SLOPE UP, SLOPE DOWN and all special functions. MINIMUM Functional in length control mode and when a pedal is PEDAL connected. CURRENT ALFA IN a.s. © www.alfain.eu...
  • Page 34 3. Press any button other than S1 to exit this menu. TABLE OF SPECIAL AC TIG FUNCTIONS PARAMETER DEFAULT MAX NOTES AC WAVE IN AC-DC MIX MODE EXTRA FUSION AC FREQUENCY 20Hz 65Hz 200Hz AC BALANCE ALFA IN a.s. © www.alfain.eu...

  • Page 35: Stroke (2T) And 4-Stroke (4T) Modes

    3. Press the torch button and keep it pressed (3T), and the welding process will start the final stage (according to the set time parameters and end current). 4. Release the button (4T), and the arc will extinguish, followed by a POST-GAS, and the process will stop. ALFA IN a.s. © www.alfain.eu...
  • Page 36 2T HF SPOT 1. Bring the torch approximately 2 - 3 mm closer to the weldment. 2. Press the torch button (1T), and the discharge ignites the arc. ALFA IN a.s. © www.alfain.eu...

  • Page 37: Job Management

    5. If you do not wish to save the new JOB, press any button other than the S2 button to exit the JOB menu. 6. To save the JOB, press the S2 button. ALFA IN a.s. © www.alfain.eu...

  • Page 38: Reset

    Partial reset - all parameters will be reset to factory settings outside the SETUP menu settings and saved JOBs. Full reset - all parameters will be reset to factory settings, JOBs will be deleted, and language will be set to English. ALFA IN a.s. © www.alfain.eu...

  • Page 39: Maintenance And Service Tests

    2. Liability for defects that occur in the machine after its sale within the warranty period consists of the obligation to remedy the defect free of ALFA IN a.s. © www.alfain.eu...
  • Page 40 1. Warranty repairs are carried out by the manufacturer or its authorized service organizations. 2. A similar procedure is followed in case of post-warranty repairs. 3. Notify the complaint by e-mail: servis@alfain.eu or by phone: +420 563 626. ALFA IN a.s. © www.alfain.eu...

  • Page 41: Disposal Of Electrical Waste

    ALFA IN a.s., as a manufacturer, places electrical equipment on the market and is therefore obliged to ensure the take-back, processing, recovery and disposal of electrical waste. The company ALFA IN a.s. is registered in the LIST of the collective system EKOLAMP s.r.o. (under the producer registration number 06453/19-ECZ).

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