LOKERMANN GRAND ARC 320 CEL PFC MV User Manual Download Page 1

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USER MANUAL

INVERTER Based Welding Machines

IMPORTANT

: Read this OPERATOR MANUAL together

with PRESCRIPTION AND COMPLIANCE MANUAL before

to use this equipment. In case of loss one of two parts

contact immediately your dealer.

Allow the operator to consult this manual.

GRAND ARC 320

CEL PFC MV

Summary of Contents for GRAND ARC 320 CEL PFC MV

Page 1: ...IMPORTANT Read this OPERATOR MANUAL together with PRESCRIPTION AND COMPLIANCE MANUAL before to use this equipment In case of loss one of two parts contact immediately your dealer Allow the operator to...

Page 2: ...2 2 Operation for MMA Welding 3 2 3 MMA Welding 3 2 4 MMA Welding Fundamentals 3 2 5 MMA Welding trouble shooting 3 2 6 Wireless Remote control Configuration 3 3 Installation Operation for TIG Weldin...

Page 3: ...ly system Consideration should be given to shielding the supply cable of permanently installed arc welding equipment in metallic conduit or equivalent Shielding should be electrically continuous throu...

Page 4: ...A 60 175A 60 245A 100 120A 100 70A 100 180A 100 135A 100 190A Welding Current Range A 10 150 10 120 10 250 10 200 10 315 No Load Voltage V 13 TIG 80 MMA Efficiency 85 Power Factor 0 99 Insulation clas...

Page 5: ...n all position GRAND ARC 320 CEL PFC MV can also realize TIG operation While MMA operation if the electrode touches workpiece over two seconds the welding current will drop to the minimum current auto...

Page 6: ...t feedback control technology to insure current output stability Meanwhile the welding current parameter can be adjusted continuously and steplessly to meet with the requirements of welding craft GRAN...

Page 7: ...ital multifunction display 9 Alarm indicator 10 Power Indicator lights when input power connected and machine switched on 11 Lift TIG mode indicator 12 MMA VRD mode indicator 13 MMA mode indicator 14...

Page 8: ...ow This effect will also cause the welding current to increase 0 is Arc Force off 10 is maximum Arc Force This is practically useful for electrode types that have a higher operating voltage requiremen...

Page 9: ...Force using the knob 5 Place the electrode into the electrode holder and clamp tight 6 Strike the electrode against the work piece to create and arc and hold the electrode steady to maintain the arc 7...

Page 10: ...and becomes the deposited weld metal The deposit is covered and protected by a slag which comes from the electrode coating The arc and the immediate area are enveloped by an atmosphere of protective...

Page 11: ...ng reduces penetration produces spatter and gives a rough surface finish to the weld An excessively short arc will cause sticking of the electrode and result in poor quality welds General rule of thum...

Page 12: ...se oil and dirt including mill scale from base metal Poor welding technique Use the correct welding technique or seek assistance for the correct technique 5 Lack of penetration Insufficient heat input...

Page 13: ...time pressing any buttons on the remote control panel or foot pedal the digital meter on the front panel of the welding power supply flick twice to indicate the synchronization is successful and comp...

Page 14: ...t is only 28A After generating arc current can rise to the setting welding current If the tungesten electrode touches the workpiece when welding the current will drop to 5A within 2s which can reduce...

Page 15: ...tal Incorrect filler wire Check the filler wire and change if necessary 4 Yellowish residue smoke on the alumina nozzle discoloured tungsten Incorrect Gas Use pure Argon gas Inadequate gas flow Set th...

Page 16: ...h the arc in unprotected eyes Ensure good ventilation of the machine to improve Duty Cycle Turn off the engine when the operation finished for energy consumption efficiency When power switch shuts off...

Page 17: ...lease replace the damaged LED If it still doesn t work please maintain or replace the display PCB Observe that the min max values on LED agree with the set value If there is any difference and it has...

Page 18: ...ce 8 The welding current can not be adjusted Welding current potentiometer in the front panel connection not so good or damaged Repair or change the potentiometer 9 The penetration of molten pool is n...

Page 19: ...4 4 Electrical schematic drawing...

Page 20: ...LOKERMANN Srl Via Produzione 16 18 37044 Cologna Veneta VR Italy Tel 39 0442 1722469 lokermann lokermann eu www lokermann eu...