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Thank you very much for choosing our machine

Please record your machine identification information below for future reference. This
information can be found on the nameplate of your machine.

Product Name

INVERTER DC TIG ARC WELDER

Model Number

LONGRUN 500LT3

Date Manufactured

Serial Number

Date Purchased

Where Purchased

Where you use

Whenever you request replacement parts or information on this machine, always
supply the 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 us for
warranty statement.

WORLDWEL CO., LTD.

11-101, Songlim-dong, Dong-gu, Incheon-city, Korea

TEL : +82-32-876-2114~6

FAX : +82-32-876-2117

www.worldwel.com

Summary of Contents for LONGRUN 500LT3

Page 1: ...INVERTER DC TIG ARC WELDER LONGRUN 500LT3 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: ...hout going back to power source ITEM UNIT SPECIFICATION Rated Input Voltage V 220 380 440 50 60Hz 3 Phase Process TIG STICK Rated Output Current A 500 340 Input Current rated output 380V A 21 15 No Lo...

Page 3: ...and repair or replace cord immediately if damaged Fumes and gases can be dangerous Welding may produce fumes and gases hazardous to health Avoid breathing these fumes and gases When welding keep your...

Page 4: ...d rain not generated oil vapor and corrosive gas operating temperature range is from 10 to 40 least 30 away from wall and other welding machine Input Connection Rear of the machine Be sure the voltage...

Page 5: ...If you want to connect the remote controller connect the connector of remote controller to REMOTE CONTROL terminal If the water cooling unit is installed connect the water input hose of water cooled t...

Page 6: ...ection 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 the METAL terminal...

Page 7: ...ectrical circuit inside the machine will be operated 6 Welding Current Control Adjust the welding current 7 Welding Mode Selector It has four welding modes Crater Off Crater On Crater Repeat and Stick...

Page 8: ...nt upslope time downslope time gas after flow time Turn On the power switch of welder and then verify that the power lamp and ready lamp are On and the cooling fan is running Connect the remote contro...

Page 9: ...time At this time release 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 fl...

Page 10: ...position of GAS CHECK switch GAS CHECK switch broke down Torch broke down Control PCB broke down Replace GAS CHECK switch Replace Torch Replace Control PCB It does not adjust the welding current and...

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Page 13: ...0LT3 VR 1 14 Front PCB 500LT3 LED 1 15 META PCB KSM 7B 1 16 FUSE 5A 1 17 Selecto Switch XK5378 1 18 FAN 120T 2 19 FAN 150T 1 20 CapSwitch SZW26 63 D344 424 1 21 InputDiode 6RI 100E 080 1 22 IGBT 200A...

Page 14: ...Number Date Purchased Where Purchased Where you use Whenever you request replacement parts or information on this machine always supply the information you have recorded above The date number is espec...

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