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Weco Micro Mag 302MFK Instruction Manual

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Cod. 006.0001.1360
17/07/2023 V.2.11
Micro Mag 302MFK
Instruction Manual
Translation of original instructions
ENGLISH

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Summary of Contents for Weco Micro Mag 302MFK

  • Page 1 Cod. 006.0001.1360 17/07/2023 V.2.11 Micro Mag 302MFK Instruction Manual Translation of original instructions ENGLISH...
  • Page 2 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD...

  • Page 3: Table Of Contents

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD INDEX INTRODUCTION ............................5 INTRODUCTION ............................6 INSTALLATION ............................7 CONNECTIONS TO THE ELECTRICAL MAINS NETWORK ..............7 FRONT PANEL ............................. 7 REAR PANEL ............................... 8 PREPARING FOR MIG/MAG WELDING ..................... 9 PREPARING FOR MMA WELDING ......................
  • Page 4 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 8.1.2 RC04: Wiring diagram ..........................43 8.1.3 RC05: Wiring diagram ..........................43 8.1.4 RC06: Wiring diagram ..........................43 SPARES ..............................44 WIRE FEED MOTOR ..........................47 WIRE FEEDER ROLLS..........................49...

  • Page 5: Introduction

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD INTRODUCTION IMPORTANT! This handbook must be handed over to the user prior to installation and commissioning of the unit. Read the "General prescriptions for use" handbook supplied separately from this manual before install- ing and commissioning the unit.

  • Page 6: Introduction

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 1.1 INTRODUCTION Micro Mag 302 MFK is a compact and rugged three-phase, synergic inverter power source for MIG/ MAG, MMA and TIG Lift welding. Easy to transport, only 22 kg , it is the best option for maintenance and repair on fi eld, shipyard and off -shore operations.

  • Page 7: Installation

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD INSTALLATION DANGER! Lifting and positioning Read the warnings highlighted by the following symbols in the “General prescriptions for use”. 2.1 CONNECTIONS TO THE ELECTRICAL MAINS NETWORK The characteristics of the mains power supply to which the equipment shall be connected are given in the section entitled “TECHNICAL DATA”...

  • Page 8: Rear Panel

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 2.3 REAR PANEL ○ Wire feed motor power transformer fuse [Part. • Type: Delayed acting (T) • Amperage: 630 mA • Voltage: 500 V ○ Welding power source ON/OFF switch [Part.

  • Page 9: Preparing For Mig/Mag Welding

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 2.4 PREPARING FOR MIG/MAG WELDING DANGER! Electric shock hazard! Read the warnings highlighted by the following symbols in the “General prescriptions for use”. FRONT VIEW REAR VIEW Set the welding power source ON/OFF switch to “O” (unit de-energized).
  • Page 10 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 11. Feed the wire through the torch until it protrudes from the tip, pressing button on the unit’s user interface. The insertion speed is 1.2 m/min for 3 seconds, subsequently increasing to 10 m/min.
  • Page 11 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 19. If necessary, fit an adapter for the wire spool. 20. Choose the wire on the basis of the workpiece thickness and material type. 21. Fit the spool in the spool holder, ensuring it is located correctly.
  • Page 12 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 25. Raise the wire feeder pressure arms. 26. Remove the protective cover. 27. 4Check that the feed rolls are suitable for the wire gauge. (See § “WIRE FEEDER ROLLS” on page 49.) The diameter of the roll groovemust be compatible with the dia- meter of the welding wire.

  • Page 13: Preparing For Mma Welding

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 2.5 PREPARING FOR MMA WELDING Set the welding power source ON/OFF switch to “O” (unit de-energized). Plug the power cable plug into a mains socket outlet. Choose the electrode based on the type of material and thickness of the workpiece to be welded.

  • Page 14: Preparing For Tig Welding

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD FRONT VIEW REAR VIEW (polarity to basic electrode) 2.6 PREPARING FOR TIG WELDING Set the welding power source ON/OFF switch to “O” (unit de-energized). Plug the power cable plug into a mains socket outlet.
  • Page 15 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 13. Open the gas solenoid valve by pressing and releasing the button 14. Use the flow control valve to adjust the flow of gas as required while the gas is flowing out.

  • Page 16: Commissioning

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD COMMISSIONING 3.1 USER INTERFACE POT1 STOP HOLD L12 L13 L14 L15 L16 CODE SYMBOL DESCRIPTION This LED illuminates to show an anomaly in the operating conditions. See § 3.7 ALARMS MANAGEMENT page 16.
  • Page 17 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD CODE SYMBOL DESCRIPTION Illuminates to show that the required Synergic welding program can be set. Illumination shows that the following function has been activated: 2 stroke pro- cedure. Illumination shows that the following function has been activated: 4 stroke pro- cedure.
  • Page 18 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD CODE SYMBOL DESCRIPTION This button opens the gas solenoid valve to fill the circuit and calibrate the pres- sure with the regulator on the gas cylinder. Gas menu function Hold down the button for 3 seconds to open the menu.

  • Page 19: Unit Power-Up

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 3.2 UNIT POWER-UP Set the welding power source ON/OFF switch to “I” to switch on the unit. F x.x The message appears for a few seconds on the following displays: D1-D2 x.x= software version.

  • Page 20: Set-Up (Initial Set-Up Of The Welding Power Source)

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 3.4 SET-UP (INITIAL SET-UP OF THE WELDING POWER SOURCE) Set the welding power source ON/OFF switch to “O” to switch the unit off. SEL1 Use this selector to select one of the following welding modes: MIG/MAG Hold down the button.

  • Page 21: Locking Procedure

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD - Setup settings MIG/MAG ACRONYM SETTING DEFAULT REMOTE CONTROLLER SELECTION LOCK STATUS ACTIVATION PUSH PULL ACTIVATION (purchasing and installing the relative kit) SELECTION OF BURN TYPE QUITTING THE MENU LOCK STATUS ACTIVATION OFF= All adjustments enabled.
  • Page 22 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD - Functions not disabled by Locks USER LOCK STATUS RC03 RC04 RC05 RC06 INTERFACE All adjustments All adjustments All adjustments All adjustments All adjustments enabled. enabled. enabled. enabled. enabled.

  • Page 23: Gas Flow Adjustment

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD Disabling If a lock status is selected, you can only edit parameters permitted by the currently active lock status. Open the Setup menu. The acronym relative to the setting to be edited appears on the following displays: D1...

  • Page 24: Alarms Management

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD ALARMS MANAGEMENT This LED illuminates if an incorrect operating condition occurs. An alarm message appears on the following display: D3 - Alarm messages MESSAGE MEANING EVENT CHECKS - Make sure that the power re- All functions disabled.

  • Page 25: Welding Settings

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD WELDING SETTINGS 5.1 TORCH TRIGGER MODES 5.1.1 2 STROKE LIFT-ARC TIG WELDING (2T) Touch the workpiece with the torch electrode. Press (1T) and keep the torch trigger pressed. Slowly lift the torch to strike the arc.

  • Page 26: Selection Of The Welding Mode And Torch Trigger Procedure

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD The welding arc strikes and the wire feed rate changes to the first welding level (hot start), which is set as a percentage of the normal welding feed rate.

  • Page 27: Parameters Activation

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 5.3 PARAMETERS ACTIVATION The welding parameters are available in accordance with the selected welding mode and procedure. The table shows the settings required to enable each parameter. 1: Not enabled with manual program P0.

  • Page 28: Welding Parameters

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 5.4 WELDING PARAMETERS WELDING CURRENT Output current value during welding. HOT-START (MMA) This parameter aids electrode melting at the time of arc striking. Consequences of a higher value: - Easier arc strike.
  • Page 29 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD Consequences of a higher value: - “Softer welding”. - Less spatter. - Less positive starting. Consequences of a lower value: - “Harder welding”. - More spatter. - More reliable starting.

  • Page 30: Welding Settings

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD - Difficult crater filling (values greater than 100%). Consequences of a lower value: - Cold welding (values close to 1%). 3 LEVELS SLOPE Establishes the duration of the slope between the 1st and 2nd time and between the 3rd and 4th time.

  • Page 31: Parameters Setting

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD SEL1 Select the following welding mode on the selector located in the spool compartment: DC TIG The message appears on the following displays: D2 6.2.1 PARAMETERS SETTING Using the encoder, edit the value of the parameter.

  • Page 32: Mig/Mag Welding

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 6.3 MIG/MAG WELDING SEL1 Select the following welding mode on the selector located in the spool compartment: MIG/MAG 6.3.1 PARAMETERS SETTING ARC CORRECTION Using the encoder, edit the value of the parameter.
  • Page 33 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD MANUAL SG2/SG3 (80 % Ar - 20 % CO2) SG2/SG3 (92 % Ar - 8 % CO2) SG2/SG3 (100 % CO2) S.S. INOX 308 (98 % Ar - 2 % CO2) S.S.

  • Page 34: Parameters Setting: (2Nd Level)

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 6.3.3 PARAMETERS SETTING: (2ND LEVEL) Hold down the button for 3 seconds to gain access to the 2nd level menu. The acronym relative to the setting to be edited appears on the following displays: D1 The value relative to the selected setting appears on the following displays: D2 Use the encoder to scroll the list of settings to edit.

  • Page 35: Jobs Management

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 6.4 JOBS MANAGEMENT Personalised welding settings, or JOBs, can be saved in memory locations and subsequently uploaded. Up to 50 JOBS can be saved (j01-j50). The settings of the SETUP menu are not saved.
  • Page 36 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD Press the button. This action will automatically close the menu.

  • Page 37: Technical Data

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD TECHNICAL DATA Waste electrical and electronic equipment (WEEE) Electromagnetic compatibility (EMC) Directives applied Low voltage (LVD) Restriction of the use of certain hazardous substances (RoHS) Construction standards EN 60974-1; EN 60974-5; EN 60974-10 Class A...
  • Page 38 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 40 % (40° C) 8.7 kVA - 8.4 kW 60 % (40° C) 7.3 kVA - 7.0 kW 100 % (40° C) 6.1 kVA - 5.8 kW 50 % (40° C) 6.1 kVA - 5.8 kW...

  • Page 39: Wiring Diagram

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD WIRING DIAGRAM...
  • Page 40 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD PONTE A DIODI TRIFASE THREE PHASE BRIDGE 050.000X.0044 J1 J7 J8 HALL BLU-BLUE 24VDC ROSSO-RED 10 9 6 5 4 FLAT 10V FUSIBILE RITARDATO DELAYED FUSE 050.000X.0085 JP9 MFT14V 050.000X.0041...
  • Page 41 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD PONTE A DIODI TRIFASE THREE PHASE BRIDGE BLACK 050.000X.0057 BLACK BLACK MAINS SWITCH 050.000X.0044 4 5 6 J1 J7 J8 J6 J2 NERO - BLACK NERO - BLACK NERO - BLACK...

  • Page 42: Remote Control Connector

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 8.1 REMOTE CONTROL CONNECTOR Name Voltage Input/Output +5V-ISO 5 V d.c. AN REM IN2 0-5 V AN REM IN1 0-5 V GND-ISO DIG REM IN1 0-5 V F AN REM IN1/10V...

  • Page 43: Rc03: Wiring Diagram

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 8.1.1 RC03: Wiring diagram 8.1.2 RC04: Wiring diagram MAX +5V_ISO N.C. MAX +5V_ISO RIF AN2(5V) RIF AN1(5V) volt m/min-syn RIF AN1(5V) MIN GND_ISO m/min-syn MIN GND_ISO N.C. N.C. N.C.

  • Page 44: Spares

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD SPARES...
  • Page 45 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD N° CODE DESCRIPTION 050.5069.0000 COMPLETE FRONT PANEL 016.0011.0014 CAP D=19 016.0011.0004 FUSE HOLDER CAP 040.0007.1063 FUSE 022.0002.0177 REMOTE CONTROL CONNECTOR + CABLE 022.0002.0198 RED LED CABLE 022.0002.0055 POLARITY SELECTOR CABLE 011.0009.0208...
  • Page 46 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 050.0003.0044 SNUBBER BOARD 045.0006.0079 HALL-SOCKET COPPER BRACKET 041.0004.0301 HALL EFFECT SENSOR 045.0006.0078 DIODES-HALL COPPER BRACKET 045.0006.0053 DIODES-TRANSFORMER COPPER BRACKET 032.0002.2403 ISOTOP DIODE 044.0004.0013 INDUCTOR 011.0009.0205 OBLIQUE PLATE FOR DEFLECTOR 011.0009.0204...

  • Page 47: Wire Feed Motor

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 9.1 WIRE FEED MOTOR...
  • Page 48 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD CODE DESCRIPTION 002.0000.0201 MOTOR COIL 002.0000.0308 DISTANCE RING 002.0000.0349 NUT M6 002.0000.0348 NUT M5 002.0000.0327 FEED PLATE 002.0000.0347 SCREW M4x18 002.0000.0350 SCREW M6x12 002.0000.0341 SHAFT (1) 002.0000.0343 MAIN GEAR DRIVE 002.0000.0340...

  • Page 49: Wire Feeder Rolls

    Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD 9.2 WIRE FEEDER ROLLS Double driving roll (2 roll with groove + 2 flat roll) Ø roll Code Ø wire Groove 002.0000.0119 0.6-0.8 D=30x12/d=14 V 002.0000.0120 0.8-1.0 D=30x12/d=14 V 002.0000.0121...
  • Page 50 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD GEAR ADAPTOR FEED ROLL (BRONZE 002.0000.0369 BUSHING) 002.0000.0370 SMOOTH FOR DOUBLE FEED ROLL...
  • Page 51 Micro Mag 302MFK Cod. 006.0001.1360 17/07/2023 V.2.11 ENGLISH WELD THE WORLD...
  • Page 52 Cod. 006.0001.1360 17/07/2023 V.2.11 www.weco.it...

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