Weco Discovery 300 AC/DC Instruction Manual Download Page 32

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Cod.006.0001.1840
13/07/2016 v2.2

ENGLISH

Discovery 300 AC/DC

32/34

16.2

TORCH CONNECTOR

cod. 021.0004.3360

Torch

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

Foot pedal controller

2 kOhm - 10 kOhm potentiometer

Summary of Contents for Discovery 300 AC/DC

Page 1: ...1840 13 07 2016 v2 2 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 300 AC DC Instruct...

Page 2: ...Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH Discovery 300 AC DC 2 34...

Page 3: ...x AC DC 14 Extra fusion 14 AC frequency 15 AC balance 15 Electrode diameter 15 10 1 PARAMETERS ACTIVATION 16 11 WELDING SETTINGS 18 11 1 ELECTRODE WELDING MMA 18 11 1 1 MMA PARAMETERS SETTING 1ST LEVE...

Page 4: ...nks to Synergic arc ignition selection located on the front panel it modifies the ignition according to electrode diameter Extra fusion function maximizes arc focusing for considerable thin material i...

Page 5: ...generators provided their voltage is stabilised Connect disconnect the various devices with the machine switched off 4 2 PREPARING FOR MMA WELDING 1 Set the welding power source ON OFF switch to O uni...

Page 6: ...t outlet 9 Connect the gas hose from the welding gas cylinder to the rear gas socket 10 Open the cylinder gas valve 11 Connect the gas hose from the welding torch to the front gas socket 12 Connect th...

Page 7: ...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 ti...

Page 8: ...TIG SYNERGIC PULSE When this is on itmeans that the synergic mode is active and that the operator can set just the welding current while the other parameters are automatically regulated by themachine...

Page 9: ...ups following a RESET procedure The welding power source sets up for welding with the factory presets Subsequent power ups The welding power source sets up for welding in the latest stable welding con...

Page 10: ...the memory clear procedure to terminate 8 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 S3 Hold down the button Set the weldi...

Page 11: ...of seconds equivalent to the average current value shown using the HOLD function Current HF This parameter establishes the current value during HF discharge The value of this parameter can be set as...

Page 12: ...or 15 seconds to fill the torch cooling circuit 9 ALARMS MANAGEMENT This LED illuminates if an incorrect operating condition occurs An alarm message appears on the following display D2 Tab 2 Alarm mes...

Page 13: ...s Touch the workpiece with the electrode tip The welding arc will strike Long arc voltage This parameter inhibits power output when the potential between electrode and workpiece exceeds the preset thr...

Page 14: ...f a slope Spot TIG time When the torch trigger is pressed the welding arc persists for the time set in the parameter Press the torch trigger again to resume the welding process The arc strike procedur...

Page 15: ...ion of heat affected zone Slower melt speed AC balance This parameter establishes the positive wave vs negative wave time ratio The following figure shows two graphs with different balance value the f...

Page 16: ...PULSE SLOW 1 3 4 6 5 4 1 3 4 6 5 4 1 2 3 4 6 5 4 1 2 3 4 6 5 4 1 3 4 4 1 3 4 4 1 2 3 4 4 1 2 3 4 4 1 Available with the user interface reference active 4 Not available with MULTI TACK active 1 3 4 6 5...

Page 17: ...4 2 4 2 3 4 4 3 MODE PROCEDURE PARAMETER POST GAS VRD LONG ARC VOLTAGE REMOTE CONTROL FINAL CURRENT SPOT TIG TIME MINIMUM PEDAL CURRENT HF ARC START AC WAVE FORM Q START DYNAMIC ARC MULTI TACK AC WAV...

Page 18: ...d its value are shown on the following displays D2 S3 Press this button to scroll the list of settings to edit E1 Using the encoder edit the value of the selected setting The value is saved automatica...

Page 19: ...YN 3 SLOPE DOWN 0 0 s 0 0 s 25 0 s FINAL CURRENT 5 5 80 2 5 A 5 A 300 A 2 POST GAS 0 0 s 10 0 s 25 0 s PRE GAS 0 0 s 0 1 s 10 0 s START CURRENT 2 50 200 5 A 50 A 300 A SLOPE UP 0 0 s 0 0 s 25 0 s 1 Th...

Page 20: ...tentiometer TIG torch When this function is active welding is performed without the following parameters SLOPE UP SLOPE DOWN All special functions 2 This parameter is set as a percentage referred to t...

Page 21: ...0 s FINAL CURRENT 5 5 80 2 5 A 5 A 300 A 2 POST GAS 0 0 s 10 0 s 25 0 s PRE GAS 0 0 s 0 1 s 10 0 s START CURRENT 2 50 200 5 A 40 A 300 A SLOPE UP 0 0 s 0 0 s 25 0 s 1 This parameter is set as a perce...

Page 22: ...he up slope and down slope cannot be controlled via the foot pedal The following welding procedures can be selected with the foot pedal 2T LIFT ARC 2T HF If both remote controllers are connected the f...

Page 23: ...lose the menu 12 2 LOADING A USER JOB OF FACTORY SET JOB This function is available when welding mode is not active S2 Press and release the button LOAD JOB N xx Only when the jobs have been uploaded...

Page 24: ...is approximately 2 or 3 mm away 2 Press 1T and keep the torch trigger pressed The arc strikes without contact with the workpiece and the voltage discharges HF cease automatically The welding current...

Page 25: ...current parameter In these conditions the weld pool can be closed crater filler current 6 Release 4T the trigger to extinguish the arc Gas delivery continues for the time set in the post gas paramete...

Page 26: ...he time set with the spot time parameter The current reaches the end current value in the time set in the down slope time parameter The arc is extinguished Gas delivery continues for the time set in t...

Page 27: ...on the supply network Temperature of the environment 40 C Welding mode MMA TIG Static characteristic Work cycle 30 60 100 30 60 100 Welding current 300 A 220 A 180 A 300 A 220 A 180 A Working voltage...

Page 28: ...Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH Discovery 300 AC DC 28 34 15 SPARE PARTS...

Page 29: ...0002 0003 FAN 30 011 0008 0011 INTERNAL FAN SUPPORT 31 050 0003 0047 INVERSION MODULE BOARD 32 040 0003 1082 TERMAL SWITCH L 300mm 80 C 33 045 0006 0066 INVERSION MODULE BRACKET 34 045 0006 0067 INVER...

Page 30: ...Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH Discovery 300 AC DC 30 34 16 ELECTRICAL DIAGRAM 16 1 DISCOVERY 300 AC DC...

Page 31: ...Discovery 300 AC DC Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH 0 31 34...

Page 32: ...34 16 2 TORCH CONNECTOR cod 021 0004 3360 Torch 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...

Page 33: ...Discovery 300 AC DC Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH 0 33 34...

Page 34: ...Cod 006 0001 1840 13 07 2016 v2 2 ENGLISH Discovery 300 AC DC 34 34...

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