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- Page 1 Cod.006.0001.1455 30/08/2016 v2.6 ENGLISH WECO srl Via S. Antonio, 22 - BELVEDERE 36056 TEZZE SUL BRENTA (VICENZA) ITALY Tel.+39 0424 561943 - Fax +39 0424 561944 www.weco.it - E-mail info@weco.it Discovery 300T-VRD Instruction manual...
- Page 2 Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 2/28...
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Page 3: Table Of Contents
INTRODUCTION ..............4 SPARE PARTS ..............24 FRONT PANEL ..............4 ELECTRICAL DIAGRAM ........... 26 REAR PANEL ..............5 16.1 DISCOVERY 300T-VRD............. 26 INSTALLATION ..............5 16.2 TORCH CONNECTOR............27 CONNECTIONS TO THE ELECTRICAL MAINS NETWORK 5 16.3 REMOTE CONTROLLER CONNECTOR ......27 PREPARING FOR MMA WELDING ........ -
Page 4: Introduction
This symbol identifies a reference to a chapter of the manual. This symbol accompanies important information concerning the execution of the relevant operations. Discovery 300T-VRD is an inverter-based welding power source complete with all the functions required for DC TIG and MMA welding with excellent arc characteristics. -
Page 5: Rear Panel
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH PREPARING FOR MMA WELDING REAR PANEL 1. Set the welding power source ON/OFF switch to “O” (unit de- energized). 2. Plug the power cable plug into a mains socket outlet. 1: Welding power source ON/OFF switch. -
Page 6: Preparing For Tig Welding
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH PREPARING FOR TIG WELDING Installation with cooling unit 1. Set the welding power source ON/OFF switch to “O” (unit de- energized). 2. Remove the screws from the power source cabinet. 9. Connect the gas hose from the welding gas cylinder to the rear gas socket. - Page 7 Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 20. Use the flow control valve to adjust the flow of gas as required while the gas is flowing out. 21. Set the required welding parameter values on the user interface. When the remote control pedal is connected and the relative locking screw is tightened the welding current will vary in relation to the pressure exerted on the pedal.
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Page 8: User Interface
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH USER INTERFACE CODE SYMBOL DESCRIPTION Illumination shows that the following function has been activated: Q-START Illumination shows that the following function has been activated: DYNAMIC ARC Illumination shows that the following function has been activated: MULTI TACK This LED illuminates to confirm the presence of power on the output sockets. -
Page 9: Unit Power-Up
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH CODE SYMBOL DESCRIPTION Hold down the button for 3 seconds to gain access to the second level menu. Hold down the button at the time of power-on to gain access to the SETUP menu. -
Page 10: Total Reset
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH TOTAL RESET The reset procedure involves complete restoration of the default values, parameters and memory settings set in the factory. All memory locations will be reset and hence all your personal welding settings will be lost! Set the welding power source ON/OFF switch to “O”... - Page 11 Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH Cooler activation − ON= The cooler is always running when the power source is switched on. This mode is preferable for heavy duty and automatic welding procedures. − OFF= The cooler is always disabled because an air-cooled torch is in use.
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Page 12: Torch Loading
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD 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. -
Page 13: Welding Parameters
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD 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... -
Page 14: Base Time
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH Base time The arc ignites for few hundredths of a second (time can be set up). The result of this is a very precise, not oxidized welding spot without Time during which current output is at the base value. -
Page 15: Parameters Activation
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 10.1 PARAMETERS ACTIVATION The welding parameters are available in accordance with the selected welding mode and procedure. Certain parameters are available only after other parameters or functions of the unit have been enabled or set. -
Page 16: Welding Settings
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD 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 selected parameter and its value are shown on the following displays: D2 Using the encoder, edit the value of the selected setting. -
Page 17: Dc Tig Welding
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 11.2 DC TIG WELDING Use this button to select one of the following welding modes: DC TIG PULSED DC TIG SYNERGIC TIG Use this button to select one of the following torch trigger procedures: 2 STEP 2T SPOT 4 STEP 4 STEP BI-LEVEL 11.2.1 DC TIG PARAMETERS SETTING (1ST LEVEL) -
Page 18: Dc Tig Special Functions Menu
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH Tab. 7 - 2nd level menu parameters in DC TIG mode PARAMETER DEFAULT SPOT TIG TIME 0.01 s 0.1 s 10.0 s HF ARC START REMOTE CONTROL MINIMUM PEDAL CURRENT 50 % 90 % *1: The activation is suitable for the following welding modes: −... -
Page 19: Jobs Management
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD 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 20: Torch Trigger Modes
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH The message appears only if there are saved JOBS, on the following displays: D2 NO STORED JOB Use the encoder to select the number of the job to be deleted. Exit without confirmation Press any button (except S2). -
Page 21: Hf Welding
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 13.4 4T HF WELDING 1. Bring the torch up to the work until the electrode tip is approximately 2 or 3 mm away. 2. Press (1T) and release (2T) the torch trigger. The arc strikes without contact with the workpiece and the voltage discharges (HF) cease automatically. -
Page 22: Spot Hf Welding
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 13.8 2T SPOT HF WELDING 1. Bring the torch up to the work until the electrode tip is approximately 2 or 3 mm away. 2. Press (1T) the torch trigger. The arc strikes without contact with the workpiece and the voltage discharges (HF) cease automatically. -
Page 23: Technical Data
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH TECHNICAL DATA Model Discovery 300T-VRD EN 60974-1 Construction standards EN 60974-3 EN 60974-10 Class A Supply voltage 3 x 400V ~± 15 % / 50-60 Hz Mains protection 20 A Delayed Dimensions ( L x D x H ) -
Page 24: Spare Parts
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH SPARE PARTS 24/28... - Page 25 Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH N° CODE DESCRIPTION 005.0001.0008 BELT 011.0000.0161 UPPER COVER 046.0002.0008 ELECTRICAL INSULATION 050.0003.0036 POWER BOARD 040.0003.1270 THERMAL SWITCH L=200mm 040.0003.0060 THERMAL SWITCH 010.0002.0004 H.F. TRANSFORMER 044.0004.0025 OUTPUT INDUCTANCE 011.0008.0029 LATERAL PLATE 050.0001.0119 PRIMARY CAPACITOR 050.0036.9900 LOGIC FRONT PANEL 014.0002.0002...
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Page 26: Electrical Diagram
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH ELECTRICAL DIAGRAM 16.1 Discovery 300T-VRD 26/28... -
Page 27: Torch Connector
Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 16.2 TORCH CONNECTOR 16.3 REMOTE CONTROLLER CONNECTOR cod. 021.0004.3360 cod. 021.0004.0602 Torch Torch with potentiometer Up & Down Torch 2 kOhm - 10 kOhm potentiometer Remote Controller 2 kOhm - 10 kOhm potentiometer Foot pedal controller... - Page 28 Cod.006.0001.1455 30/08/2016 v2.6 Discovery 300T-VRD ENGLISH 28/28...
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