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WELDING MACHINES
PEGAS 250 MIG SYN
PEGAS 320 MIG SYN
INSTRUCTION MANUAL
ALFA IN a.s. ©
www.alfain.eu
PEGAS 250-320 MIG SYN manual EN 05

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Summary of Contents for Alfa IN PEGAS 250 MIG SYN

  • Page 1 WELDING MACHINES PEGAS 250 MIG SYN PEGAS 320 MIG SYN INSTRUCTION MANUAL ALFA IN a.s. © www.alfain.eu PEGAS 250-320 MIG SYN manual EN 05...
  • Page 2: Table Of Contents

    7. BASIC SETTINGS ..................14 8. MIG/MAG WELDING SYNERGY ............... 17 9. MIG/MAG WELDING MANUAL ..............18 10. MMA WELDING (COATED ELECTRODE- ELE) ........19 11. ROUTINE MAINTENANCE & INSPECTION ..........19 12. DISPOSAL ....................23 ALFA IN a.s. © www.alfain.eu...
  • Page 3: Introduction

    3/23 1. INTRODUCTION Dear Consumers! Company ALFA IN a.s. thanks you for buying our product and believe that you will be satisfied with our machine. Welding machine PEGAS 250/320 MIG SYN is IGBT invertor. It is designed for welding method MIG (Metal Inert gas) and MAG (Metal Active Gas). This is welding in protective atmosphere.
  • Page 4: Safety Precautions

    ČSN 07 83 05 and norm ČSN 07 85 09. 3. The welder must use protective equipment. 4. Before working on the electrical part, removing the cover or cleaning it is necessary to disconnect the device from the network. ALFA IN a.s. © www.alfain.eu...
  • Page 5: Operating Conditions

    The manufacturer is not liable for damages resulting from improper use or handling. For maintenance and repair, use only original spare parts from ALFA IN. 2. Device complies with IEC 61000-3-12. 3. The welding machine is tested according to the degree of protection IP 23S,...
  • Page 6: Technical Data

    The machine structure is designed so that, in any case, even if the failure rectifier does not exceed the permitted peak value of the open circuit voltage according to EN 60974-1, i.e., 113 V direct current or 68 V alternating. ALFA IN a.s. © www.alfain.eu...
  • Page 7: Accessories

    If you decide to use a different torch than the above, it is necessary to choose one, according to your current range and load time of the torch. ALFA IN a.s. is not liable for damage caused by overload welding torches. ALFA IN a.s. ©...
  • Page 8: Description Of The Appliance

    Control light Current (A) Left display Right display Control light of Voltage or Voltage Correction Button for selecting the parameters to be displayed Control light of Wire Speed Correction Control light of Choke or Choke Correction ALFA IN a.s. © www.alfain.eu...
  • Page 9 Roll CHOOSING THE FEEDING ROLL In all machines (ALFA IN MIG / MAG) rolls with two grooves are used. These grooves are intended for two different wire diameters (e.g. 0,8 and 1,0 mm). Rolls for wire feed must comply with the diameter and material of the welding wire.
  • Page 10 5441 ADJUSTING THE MACHINE FOR ANOTHER WIRE DIAMETER In all machines ALFA IN MIG / MAG are used rolls with two grooves. These grooves are intended for two different wire diameters (e.g. 0,8 a 1,0 mm). Groove can be replaced by removing the rolls and rotating them, or use a different roll grooves with required dimensions.
  • Page 11 E1 into vertical position. 5. Adjust the pressure nut that way that it provides constant movement of wire but it does not deform wire. The adjusting screw is located under the plastic screw E1. ALFA IN a.s. © www.alfain.eu...
  • Page 12 7. Press button (pic. 1) A3. The welding wire is fed into the torch. After coming off from the torch tube, screw the current nozzle and gas nozzle on 8. Before welding, spray the area in a gas hose and current nozzle with a separation spray, to prevent damage. ALFA IN a.s. © www.alfain.eu...
  • Page 13 F6 shows the required flow, then release the button. The optimum flow is 10-15l/min. 4. After long-term shutdown of the machine or replacement of the torch it is suitable to blow the pipes with protective gas before welding. ALFA IN a.s. © www.alfain.eu...
  • Page 14: Basic Settings

    / 4T . The two stroke mode is signalized by LED A17. 1. Tact – press and hold the button the machine will start welding 2. Tact – release the torch button the machine will stop ALFA IN a.s. © www.alfain.eu...
  • Page 15 0 - 75 ms (35 ms) (Calibration menu) Calibration menu x.xx (version sw PCB engine) The last menu item is CAL – it is used to enter the calibration menu, which is intended only for authorized service. ALFA IN a.s. © www.alfain.eu...
  • Page 16 2. By means of the button H3 set the function JOB change. 3. By means of buttons H6 (UP) and H7 (DOWN) switch among the saved JOBs. Symbols on the torch display H1 Symbol Description A synergic program is running on the welding machine ALFA IN a.s. © www.alfain.eu...
  • Page 17: Mig/Mag Welding Synergy

    To confirm the program number press the encoder A5. Picture 9 – Table of synergic curves 4. Use A8 button to select the values you want to set the machine with, the corresponding light will illuminate. ALFA IN a.s. © www.alfain.eu...
  • Page 18: Mig/Mag Welding Manual

    U2 = 14 +0.05 I2. According to this relationship, we can determine the required voltage. When setting the voltage, we expect the decline in voltage during load. The voltage drop is approximately 4.5-5.0 V at 100 A. ALFA IN a.s. © www.alfain.eu...
  • Page 19: Mma Welding (Coated Electrode- Ele)

    2. Special maintenance is not necessary for the control unit parts in the Welder. If these parts are damaged for any reason, replacement is recommended. CAUTION Do not blow air into the welder during cleaning. Blowing air into the welder ALFA IN a.s. © www.alfain.eu...
  • Page 20 Adjust the pressure Poor pressure in the according to this Irregular or no wire feed rolls instruction manual. wire feed. Check and replace if The torch is damaged. necessary. ALFA IN a.s. © www.alfain.eu...
  • Page 21 / clamps of the machine. The grounding cable is Tighten the earthling poorly attached to the cable in the connector on connector on the the machine. machine. Check and replace if Torch damaged necessary. ALFA IN a.s. © www.alfain.eu...
  • Page 22 3. ALFA IN will repair or replace, at its discretion, any warranted parts or components that fail due to defects in material or workmanship within the warranty period.
  • Page 23: Disposal

    ALFA IN a.s. © www.alfain.eu...

This manual is also suitable for:

Pegas 320 mig syn

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