Weco Pioneer 321AC/DC Instruction Manual
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Weco Pioneer 321AC/DC Instruction Manual

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Cod.006.0001.1580
10/03/2014 v2.4
ENGLISH
WECO srl
Via S. Antonio, 22 - BELVEDERE
36050 TEZZE SUL BRENTA (VICENZA) ITALY
Tel.+39 0424 561943 – Fax +39 0424 561944
www.weco.it - E-mail info@weco.it
Pioneer 321AC/DC
Instruction manual
GB

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Summary of Contents for Weco Pioneer 321AC/DC

  • Page 1 Cod.006.0001.1580 10/03/2014 v2.4 ENGLISH WECO srl Via S. Antonio, 22 - BELVEDERE 36050 TEZZE SUL BRENTA (VICENZA) ITALY Tel.+39 0424 561943 – Fax +39 0424 561944 www.weco.it - E-mail info@weco.it Pioneer 321AC/DC Instruction manual...
  • Page 2 Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 2/36...

  • Page 3: Table Of Contents

    SET-UP (INITIAL SET-UP OF THE WELDING POWER SPARE PARTS..............29 SOURCE)................12 ELECTRICAL DIAGRAM ........... 32 TORCH LOADING ............. 13 16.1 PIONEER 321AC/DC ............32 ALARMS MANAGEMENT ..........13 16.2 TORCH CONNECTOR ............34 AL. HEA..................13 Torch ................... 34 AL.

  • Page 4: Introduction

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH INTRODUCTION MODE PROCEDURE 2 STEP LIFT-ARC (2T) IMPORTANT! TWO STEP HF (2T HF) LIFT DC TIG FOUR STEP LIFT-ARC (4T) This handbook must be consigned to the user prior to FOUR STEP HF (4T HF) installation and commissioning of the unit.

  • Page 5: Rear Panel

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 1: Welding power source ON/OFF switch. 1: Cooler power feeding connector. 2: Mains protection ON LED. Voltage 230 V~ This LED illuminates if an incorrect operating condition occurs: Current output 0.8 A IP20 (cap open) −...

  • Page 6: Installation

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH INSTALLATION WARNING! Lifting and positioning Read the warnings highlighted by the following symbols in the “General prescriptions for use”. UNIT ASSEMBLY 1. Fit the front swivel wheels with the supplied screws. 2. Screw the fixed rear wheels to the studs in the base of the unit and secure them with the supplied nuts.
  • Page 7 Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH When the remote controller [RC] is connected and the relative locking screw is tightened, welding current can be adjusted using the remote controller. The system is ready to start welding. MMA Installation 7/36...

  • Page 8: Preparing For Tig Welding

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH PREPARING FOR TIG WELDING 10. Plug the power cable plug into a mains socket outlet. 11. Set the welding power source ON/OFF switch to “I” (unit 1. Set the welding power source ON/OFF switch to “O” (unit de- powered).

  • Page 9: User Interface

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH USER INTERFACE CODE SYMBOL DESCRIPTION Illuminates to show a value in the following unit of measurement: AMPERES When this LED illuminates the last voltage and current average values measured during welding are shown on following displays: D1-D2. The LED switches off when a new welding procedure is started, or when any of the welding settings is modified.
  • Page 10 Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH When this LED illuminates the following parameter can be set: PEAK TIME L22+L23 When this LED illuminates the following parameter can be set: PULSED CURRENT FREQUENCY When this LED illuminates the following parameter can be set: BASE TIME When this LED illuminates the following parameter can be set: DOWN SLOPE When this LED illuminates the following parameter can be set: FINAL CURRENT When this LED illuminates the following parameter can be set: POST GAS...

  • Page 11: Unit Power-Up

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH UNIT POWER-UP Set the welding power source ON/OFF switch to “I” to switch on the unit. AL. HEA. The message appears on the following displays: D1-D2 First power-up or power-ups following a RESET procedure The welding power source sets up for welding with the factory presets.

  • Page 12: Set-Up (Initial Set-Up Of The Welding Power Source)

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 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. Hold down the button. Set the welding power source ON/OFF switch to “I” to switch on the unit. SIMULTANEOUS ACTIONS Set UP The message appears for a few seconds on the following displays: D1-D2...

  • Page 13: Torch Loading

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH TORCH LOADING WARNING! Make sure the torch in use is correctly sized in relation to the welding current required and for the available and selected cooling type. This prevents the risk of burns to which the operator is potentially exposed, potential faults, and irreversible damage to the torch and the system. If a torch is installed or replaced while the unit is running, the circuit of the newly installed must be filled with coolant to avoid the risk of damage to the torch in the case of high voltage arc strikes without any liquid in the circuit.

  • Page 14: Welding Parameters

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH WELDING PARAMETERS For a better understanding of the parameter functions described in the table, refer to the following diagram. (I1) TIG WELDING CURRENT (I2) BASE CURRENT (I3) FINAL CURRENT (I4) STARTING CURRENT (t1) UP SLOPE TIME (t2) PEAK TIME (t3) BASE TIME (t4) DOWN SLOPE TIME...

  • Page 15: Base Time

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH − Slower melt speed. Spot welding time When the torch trigger is pressed the welding arc persists for the time − Reduction of heat-affected zone. set in the parameter. Base time Press the torch trigger again to resume the welding process. Time during which current output is at the base value.

  • Page 16: Mix Ac

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH Mix AC AC Balance This parameter serves to set the AC wave percentage with respect to This parameter establishes the positive wave vs. negative wave time the DC current output. ratio. Consequences of a higher value: The following figure shows two graphs with different balance value: the first graph represents the curve of the current with a negative −...

  • Page 17: Parameters Activation

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 17/36...
  • Page 18 Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 18/36...

  • Page 19: Welding Settings

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH WELDING SETTINGS 11.1 ELECTRODE WELDING (MMA) This button serves to select the following welding mode: 11.1.1 MMA PARAMETERS SETTING (1ST LEVEL) Press this button to scroll the list of settings to edit. 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 Using the encoder, edit the value of the selected setting.

  • Page 20: Dc Tig Welding

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 11.2 DC TIG WELDING Use this button to select one of the following torch trigger procedures: DC TIG PULSED DC TIG TIG DC SYNERGIC Use this button to select one of the following torch trigger procedures: 2 STEP 4 STEP 4 STEP BI-LEVEL 2T SPOT 11.2.1 DC TIG PARAMETERS SETTING (1ST LEVEL) Press this button to scroll the list of settings to edit.

  • Page 21: Dc Tig Parameters Setting (2Nd Level)

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 11.2.2 DC TIG PARAMETERS SETTING (2ND LEVEL) Access the 2nd level menu by holding the button down for 3 seconds. Press this button to scroll the list of settings to edit. 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 Using the encoder, edit the value of the selected setting.

  • Page 22: Ac Tig Welding

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 11.3 AC TIG WELDING Use this button to select one of the following torch trigger procedures: AC TIG PULSED AC TIG Use this button to select one of the following torch trigger procedures: 2 STEP 4 STEP 4 STEP BI-LEVEL 2T SPOT 11.3.1 AC TIG PARAMETERS SETTING (1ST LEVEL) Press this button to scroll the list of settings to edit.

  • Page 23: Ac Tig Parameters Setting (2Nd Level)

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 11.3.2 AC TIG PARAMETERS SETTING (2ND LEVEL) Access the 2nd level menu by holding the button down for 3 seconds. Press this button to scroll the list of settings to edit. 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 Using the encoder, edit the value of the selected setting.

  • Page 24: Jobs Management

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 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. 12.1 SAVING A JOB This function is available when welding mode is not active.

  • Page 25: Torch Trigger Modes

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH Exit without confirmation Press any button (except S5). This action will automatically close the menu. Exit with confirmation Press the button. This action will automatically close the menu. TORCH TRIGGER MODES 13.1 2T LIFT-ARC WELDING 1.

  • Page 26: Bi-Level Lift Welding

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 13.5 BI-LEVEL LIFT WELDING 1. Touch the workpiece with the torch electrode. 2. Press (1T) and release (2T) the torch trigger. 3. Slowly lift the torch to strike the arc. The welding current reaches the preset value, by way of a up slope time, if programmed. 4.

  • Page 27: Pilot Arc Welding

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 13.9 PILOT ARC WELDING The pilot arc can be activated in the following torch trigger procedures: − 4T LIFT-ARC WELDING − 4 TIMES + HF WELDING (4T HF) − 4 TIMES BI-LEVEL + HF WELDING (4T BI-LEVEL HF) The welding procedure with pilot arc differs with respect to the procedure without pilot arc in the part of the torch trigger procedure described below.

  • Page 28: Technical Data

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH TECHNICAL DATA Model Pioneer 321 AC/DC EN 60974-1 Construction standards EN 60974-3 EN 60974-10 Class A Supply voltage 3 x 400 V~ ± 15 % / 50-60 Hz Mains protection 25 A Delayed Dimensions ( L x D x H ) 1110 x 530 x 750 mm Weight...

  • Page 29: Spare Parts

    Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH SPARE PARTS 29/36...
  • Page 30 Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH N° CODE DESCRIPTION 011.0013.0020 BLOCK BASE PLATE 014.0002.0010 KNOB WITHOUT POINTER 010.0002.0006 HF COIL 013.0012.0701 FRONT PANEL LABEL 045.0006.0084 (+) SOCKET COPPER BRACKET 013.0000.8025 LOGIC BOARD PLATE 050.0001.0112 OUTPUT FILTER BOARD 050.0004.0045 LOGIC BOARD 011.0013.0022 FRONT SOCKETS PLATE 050.5078.0000...
  • Page 31 Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 31/36...

  • Page 32: Electrical Diagram

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH ELECTRICAL DIAGRAM 16.1 PIONEER 321AC/DC 32/36...
  • Page 33 Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 33/36...

  • Page 34: Torch Connector

    Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 16.2 TORCH CONNECTOR Foot pedal controller cod. 021.0004.3360 Torch 2 kOhm - 10 kOhm potentiometer Up & Down Torch 16.3 REMOTE CONTROLLER CONNECTOR cod. 021.0004.0602 Torch with potentiometer 2 kOhm - 10 kOhm potentiometer Remote Controller 2 kOhm - 10 kOhm potentiometer 34/36...
  • Page 35 Cod.006.0001.1580 Pioneer 321 AC/DC 10/03/2014 v2.4 ENGLISH 35/36...
  • Page 36 Cod.006.0001.1580 10/03/2014 v2.4 Pioneer 321 AC/DC ENGLISH 36/36...

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