Unitor UWI 320 TP Instruction Manual Download Page 23

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Revision date: 23/09/2014

Page 23 of 24

USE 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 Wilhelmsen Ships Service for a paper copy

Summary of Contents for UWI 320 TP

Page 1: ...Revision date 23 09 2014 Page 1 of 24 Instruction manual Unitor Welding Inverter UWI 320 TP MMA Stick and 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 REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL INCLUDING THE SAFETY INSTRUCTIONS ...

Page 3: ...soft TIG arc starting Step less adjustment of welding current through whole current range 10 320A Casing of high grade aluminium and industrial plastic to eliminate corrosion damage also contributes to low weight which together with compact outer dimensions provides good portability Wind tunnel design for the internal cooling air flow protects electrical components and PC boards from dirt dust deb...

Page 4: ...e in areas with increased 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 a thermal switch stops the output the warning light for over temperature is lit and the cooling fan continues to run Wait fifteen minutes for unit to cool Reduce amperage or duty cycl...

Page 5: ...G U2 10 0 04 I2 Primary connection U1 Effective input voltage 380 440V I1max Maximum value of input current at the corresponding duty cycle I1eff Effective value of input current at the corresponding duty cycle Maximum input power is 14 9 kVA Power factor 0 77 Duty Cycle 30 Cooling COOLING AF Forced air cooling with a fan Protection class IP23S Ingress Protection class Protection degree of the cas...

Page 6: ...e circulation of clean air into the louvers in the back and out the front of the unit Ensure minimum 50cm free space on all sides If free flow of air is hindered the machine will overheat A location that minimizes the amount of smoke and dirt drawn into the louvers reduces the chance of dirt accumulation that can block air passages and cause overheating Avoid tilting The machine must be placed on ...

Page 7: ...f The fan will be running and the thermostat resets automatically when the machine has cooled down sufficiently The light will darken when the machine is live again 5 Selection of welding process Up SMAW MMA welding with stick electrodes Down GTAW TIG welding 6 Welding current adjustment potmeter Rotate knob clockwise to increase amperage minimum to 320 Ampere 7 Arc force increases the short circu...

Page 8: ...lso be an advantage im position welding TIG GTAW welding Select TIG process selector switch down and connect TIG torch to negative terminal on the machine 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 present before tungsten electrode touches and lifts from...

Page 9: ...t used both machines should be set to the same ampere value on the displays half of the required value for the electrode Return cables from both machines should be of equal length and clamps should be connected close together directly on a clean part of the work piece 70mm2 cable is recommended NB Same polarity for both on the welding machines Welding cables from both machines must be of equal len...

Page 10: ...bels 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 connectors Check clean if needed and tighten Prior to use every 3 months Welding cables Repair or replace if damaged Prior to use every 3 months Electrode holders and torches Check clean and replace if...

Page 11: ...be 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 remove obstructions Heat development in loose electrode holder or ground cable connections Broken fan repair or replace Too much dirt in power source compartment clean out No arc no warning light Incompl...

Page 12: ...Revision date 23 09 2014 Page 12 of 24 9 WIRING DIAGRAM ...

Page 13: ...Revision date 23 09 2014 Page 13 of 24 10 COMPONENTS AND SPARES ...

Page 14: ...03 1170 Thermal switch L 300mm 21 050 0001 0044 Snubber board 22 032 0002 2003 Diode 23 011 0008 0011 Internal fan support 24 003 0002 0003 Fan 25 011 0008 0010 External fan support 26 010 0006 0034 Rear plastic panel 27 013 0000 7005 Rear panel 28 045 0000 0007 Cable clamp 29 045 0002 0005 Supply cable 30 040 0001 0015 Three pole switch 31 022 0002 0190 Led wiring 32 016 0010 0001 Board support 3...

Page 15: ...el 1 pcs re ordering number is for 2pcs 196 633008 Remote control with 8m cable 191 670414 Cable Extensions Welding cable 50mm max 20m extension is recommended per m 195 175844 Cable connector DIX 70 male female for welding cable extension 195 632893 Remote control cable extension 25m 191 670422 TIG welding Accessories for UWI 320 Specially thin and soft TIG gloves 6 pairs 197 632794 TIG torch T 2...

Page 16: ...k 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 6 197 551127 pcs Alumina nozzle 7 7 197 674710 pck Tungsten electrode 10 pcs 1 6 mm alloyed for DC welding 7 197 674736 pck Tungsten electrode 10 pcs 2 4 mm alloyed for DC welding ...

Page 17: ...esent 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 terminal in the cord plug and that the plug is connected to a properly grounded receptacle outlet When making input connections attach proper grounding conductor first double check connections Frequent...

Page 18: ...flame 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 from the welding arc The flying sparks hot workpiece and hot equipment can cause fires and burns Accidental contact of electrode to metal objects can cause sparks explosion overheating or fire Check ...

Page 19: ...ondition 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 compressed gas cylinders associated equipment and CGA publication P 1 listed in Safety Standards Additional precautions for installation operation and maintenance Do not install or place unit on over or nea...

Page 20: ...nstalled 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 the work area EMF Information Considerations about welding and the effects of low frequency electric and magnetic fields Welding current as it flows through welding cables will cause electromagnetic fi...

Page 21: ...04 108 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 VICENZA ITALY Tel 39 0424 561943 Fax 39 0424 561944 E mail info weco it www weco it P IVA 02783960244 C F 02710490281 Reg Impr VI n 52214 R E A N 274736 Capitale sociale i v 52 000 00 ...

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

Page 23: ...E 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 Wilhelmsen Ships Service for a paper copy ...

Page 24: ...riksund Frederiksvaerk Fredrikshavn Faaborg Gedser Great Belt Grenaa Graasten Gulfhavn Haderslev Halsskov Hanstholm Helsingor Hirtshals Hobro Holbaek Horsens Kalundborg Kertminde Koge Kolding Korsor Lemvig Mariager Marstal Oslo Middlefart Naestved Nakskov Nyborg Nykobing Falster Nykobing Mors Nykobing Skjaelland Odense Orehoved Falster Randers Ronne Rudkobing Sakskobing Skaelskor Skaerbaek Skagen ...

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