Unitor UWI 203 TP Instruction Manual Download Page 1

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Revision date: 23 09 2014

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Instruction manual

Unitor Welding Inverter

UWI 203 TP

MMA (Stick) / TIG welder

Summary of Contents for UWI 203 TP

Page 1: ...Revision date 23 09 2014 Page 1 of 24 Instruction manual Unitor Welding Inverter UWI 203 TP MMA Stick TIG welder...

Page 2: ...DATA 3 INSTALLATION 4 FRONT AND BACK PANEL 5 WELDING 6 ROUTINE MAINTENANCE 7 TROUBLESHOOTING 8 WIRING DIAGRAM 9 COMPONENTS AND SPARES 10 ACCESSORIES 11 SAFETY INSTRUCTIONS DO NOT INSTALL OPERATE OR RE...

Page 3: ...current through whole current range 5 200A Casing of high grade aluminium and industrial plastic to eliminate corrosion damage also contributes to low weight which together with compact outer dimensi...

Page 4: ...ncreased electric shock hazard X Duty cycle Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating It refers to a 40 C environmental temperature If unit overheats...

Page 5: ...uty cycle I1eff Effective value of input current at the corresponding duty cycle Maximum input power is 6 7 kVA Power factor 0 95 Duty Cycle 40 Cooling COOLING AF Forced air cooling with a fan Protect...

Page 6: ...WI 203 TP inverter welder has an IP23S rating Locate the welder in a dry location where there is free circulation of clean air into the louvers in the back and out the front of the unit Ensure minimum...

Page 7: ...circuit amperage providing a crisper arc allowing the welder to use very short arc without sticking the electrode in the melt pool It is useful when welding with stick electrodes at low amperages but...

Page 8: ...hine The torch should preferably have gas valve on the handle Connect ground return cable with good contact to the work piece When the TIG process is selected normal open circuit voltage is not presen...

Page 9: ...els 3 months or more often if needed Internal dust and dirt Blow out or vacuum inside 6 months or more often if needed Welding current sockets Check and clean 3 months or more often if needed Cable co...

Page 10: ...e within 342 484V Thermal protection activated Used at too high duty cycle wait until machine has cooled down and power returns Weld with more breaks or lower current Cooling air flow is hindered remo...

Page 11: ...Revision date 23 09 2014 Page 11 of 24 8 WIRING DIAGRAM...

Page 12: ...Revision date 23 09 2014 Page 12 of 24 9 COMPONENTS AND SPARES...

Page 13: ...001 Middle plate 19 032 0002 2003 Diode 20 040 0003 1070 Termal switch 21 050 0001 0012 Snubber board 22 011 0003 0012 Capacitor board support 23 003 0002 0002 Fan 24 011 0003 0008 Rear plate 25 010 0...

Page 14: ...o 300 A 5 set 196 633271 Long lined welding gloves 6 pairs 196 632786 Electrode holder with 3m cable and connector included with machine 196 627005 Ground clamp with 3m cable and connector included wi...

Page 15: ...cap 3 197 613767 pcs Heat shield 4 197 551168 pcs Collet 1 6mm 4 197 551150 pcs Collet 2 4mm 5 197 551184 pcs Collet body 1 6 mm 5 197 551176 pcs CoIlet body 2 4 mm 6 197 551135 pcs Alumina nozzle 6...

Page 16: ...sent on unit Disconnect input power before installing or servicing this equipment Always verify the supply ground check and be sure that input power cord ground wire is properly connected to ground te...

Page 17: ...lame resistant material leather and wool and foot protection WELDING can cause fire or explosion Welding on closed containers such as tanks drums or pipes can cause them to blow up Sparks can fly off...

Page 18: ...ndition Turn face away from valve outlet when opening cylinder valve Keep protective cap in place over valve except when cylinder is in use or connected for use Read and follow instructions on compres...

Page 19: ...stalled and grounded according to this manual If interference still occurs the user must take extra measures such as moving the welding machine using shielded cables using line filters or shielding th...

Page 20: ...4 108 CEE 2006 95 CE 2011 65 EU and that the following standards apply EN 60974 1 EN 60974 10 Belvedere 01 01 2013 Amm Giorgio TONIOLO WECO srl Via S Antonio 22 BELVEDERE 36050 TEZZE SUL BRENTA VICENZ...

Page 21: ...Revision date 23 09 2014 Page 21 of 24 NOTES...

Page 22: ...Revision date 23 09 2014 Page 22 of 24 FOR FULL INFORMATION ON THE UNITOR WELDING OFFER...

Page 23: ...THE UNITOR WELDING HANDBOOK FOR MARITIME WELDERS You can download it here http www wilhelmsen com services maritime companies buss DocLit PorductLiterature Pages Maintenanceandrepair aspx or contact...

Page 24: ...vaerk Fredrikshavn Faaborg Gedser Great Belt Grenaa Graasten Gulfhavn Haderslev Halsskov Hanstholm Helsingor Hirtshals Hobro Holbaek Horsens Kalundborg Kertminde Koge Kolding Korsor Lemvig Mariager Ma...