Worldwel longrun 350LA Operation Manual Download Page 6 | Manualshive

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[ AIR COOLING ] [ WATER COOLING ]

Output connection for stick welding

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Connect the work cable (which is connected to the work clamp) to the



TORCH terminal.

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Connect the electrode cable (which is connected to the electrode holder) to the



METAL terminal.

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Summary of Contents for longrun 350LA

Page 1: ...INVERTER AC DC TIG WELDER 350LA 500LA 600LA OPERATION MANUAL DO NOT INSTALL OPERATE OR MAINTAIN THIS MACHINE WITHOUT READING THIS MANUAL AND PLEASE ALWAYS THINK BEFORE YOU ACT www worldwel com...

Page 2: ...00 400 Input Capacity 380V KVA 13 5 7 3 21 7 15 9 25 9 17 8 No Load Voltage V 60 380V 62 380V 60 380V Output Current Range A 10 350 20 200 15 500 20 340 15 600 20 400 Output Voltage rated output V 24...

Page 3: ...of contact with the work or ground and watch for fire Turn off input power using the disconnect switch at the fuse box before working on the equipment Frequently inspect input power cord for damage o...

Page 4: ...s or other alternate circuits This can create fire hazards or overheat lifting chains or cables until they fail INSTALLATION The welding machine shall be installed at a place free from the inflammable...

Page 5: ...moving top cover 220V 380V 440V Output Connection Front of the machine Connect the work cable which is connected to the work clamp to the METAL terminal To connect the TIG torch connect a electrode ca...

Page 6: ...COOLING Output connection for stick welding Connect the work cable which is connected to the work clamp to the TORCH terminal Connect the electrode cable which is connected to the electrode holder to...

Page 7: ...ne will not supply power at the output If over heating occurs it will blinking on until the machine has sufficiently cooled by cooling fan or water If the output is disabled by any electrical problems...

Page 8: ...heat affected zone fewer deformations and reduced chance of cracking and gas entrapment 16 Crater current control It controls the crater current It is important to get the good welding quality 17 Dow...

Page 9: ...p and ready lamp are On and the cooling fan is running Select AC TIG or DC TIG from AC TIG DC TIG selection switch Start to weld with adjusting the proper welding current Adjust properly the pulse fre...

Page 10: ...ease the torch switch the arc is off and flow the gas during the after flow time Crater Repeat Press and hold the torch switch the machine will open the gas valve to start the flow of the shielding ga...

Page 11: ...oke down Reconnect Torch switch connector Replace Torch Replace Control PCB Gas flows continuous at Off position of GAS CHECK switch GAS CHECK switch broke down Torch broke down Control PCB broke down...

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Page 14: ...E RV24YN 500K 2 22 Selector Switch XK5378 1 23 FAN UF12A23STH M5 120T 2 24 FAN UF15P23BTH M5 150T 1 25 Terminal MJ 175 1 26 Toggle Switch DWT 6210 1 27 InputDiode 6RI 100E 080 1 28 IGBT 200A 600V 2 29...

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Page 17: ...V1 1 21 VOLUME RV24YN 500K 2 22 Selector Switch XK5378 1 23 FAN 120T 2 24 FAN 150T 1 25 Terminal MJ 175 1 26 Toggle Switch DWT 6210 1 27 InputDiode 6RI 100E 080 1 28 IGBT 200A 600V 2 29 IGBT Drive PC...

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Page 20: ...24YN 500K 2 21 Selector Switch XK5378 1 22 FAN 120T 2 23 FAN 150T 1 24 Terminal MJ 175 1 25 Toggle Switch DWT 6210 1 26 InputDiode 6RI 100E 080 1 27 IGBT 200A 600V 2 28 IGBT Drive PCB WGE 01 2K10 2 29...

Page 21: ...e information you have recorded above The date number is especially important when identifying the correct replacement parts Complete this form please fax it to our selling agency in your country or u...

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