R-Tech TIG161 User Manual Download

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www.r-techwelding.co.uk

email: [email protected]

Tel: 01452 733933 Fax 01452 733939

TIG161 AC/DC INVERTER TIG WELDER

OPERATION INSTRUCTIONS

Version 2014-1

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Summary of Contents for TIG161

Page 1: ...www r techwelding co uk email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 TIG161 AC DC INVERTER TIG WELDER OPERATION INSTRUCTIONS Version 2014 1 ...

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Page 3: ...und on data plate at rear of machine Product TIG161 Serial No ___________________________________ Date of Purchase _____________________________ Where Purchased _____________________________ Whenever you request replacement parts or information on this equipment please always supply information you have recorded above This product is covered by 2 years parts and labour warranty we will cover cost ...

Page 4: ...eyond the output ratings and duty cycle as per machine specifications with thermostat protection of the output coils and rectifiers Welding Capability Duty Cycle The R Tech TIG161 is rated at 160 Amps at 35 duty cycle on a ten minute basis If the duty cycle is exceeded a thermal protector will shut machine off until the machine cools Technical Specifications Model No R Tech TIG161 Input volts amps...

Page 5: ...particles towards the welder An abundance of conductive material can cause plant failure Stacking This machine cannot be stacked Transport Unloading Never underestimate the weight of equipment never move or leave suspended in the air above people Use recommended lifting equipment at all times WARNING Falling Equipment can cause injury Never lift welder with gas bottle attached Never lift above per...

Page 6: ...g these contributing factors in mind installing equipment as per following instructions should minimize problems 1 Keep the welder input power lines as short as possible and enclose as much of them as possible in metal conduit or equivalent shielding There should be a good electrical contact between this conduit and ground Earth 2 Keep the work and electrode leads as short as possible Tape the lea...

Page 7: ... power capacitors to discharge before working inside this equipment Do not touch electrically live parts The TIG161 Inverter TIG Welder requires a 240V 50 60Hz supply It requires a 13A supply for TIG operation and comes with a 3 metre mains cable attached Connect wires according to national coding Brown wire Live Blue wire Neutral Green Yellow Wire Earth Ground Connecting to an Engine Driven Gener...

Page 8: ...ls etc 3 Fuse Holder 3A fuse for water cooling socket 4 Mains input cable Fit required plug as per your electrical installation 5 Gas input connector Connect input gas hose ensuring connection is tight 6 Earth for chassis If experiencing localized interference when using machine connect workbench to this point using correct graded earth wire not normally used ...

Page 9: ...sting until tight 4 Torch control socket 7 Pin Connect torch control plug To avoid a High Frequency shock keep the TIG torch in good condition and replace if any of the insulation is damaged Connect the gas input hose to gas regulator and use Pure Argon Gas available from local suppliers Set gas flow pressure to 8 12 LPM Make sure gas bottle is secured to avoid injury Remote Foot Pedal connection ...

Page 10: ...ive power connector Connect the electrode holder by inserting and twisting until tight 2 Not Used in MMA mode 3 Negative power connector Connect the earth lead to by inserting and twisting until tight and the earth clamp to work bench 4 Not used in MMA mode ...

Page 11: ...This sets pulse amperage and must be set above the base main current amperage If set to zero pulse welding is disabled 3 Pulse frequency adjustment This sets how often pulse will occur 0 5 25hz 4 Up slope Adjustment 0 10 seconds The main welding current raises from minimum amperage to main current selected in time selected when weld started 5 Pulse width ...

Page 12: ...ne will open gas valve to start flow of shield gas after a 0 5 seconds pre flow time to purge air from torch hose the welding output of machine will be turned on and the arc will be started After the arc is started the output current will increase from the start min current to base main current in time selected by slope up Release the TIG torch switch to end sequence The machine will now decrease ...

Page 13: ... output current to finish min in down slope time set Once at finish min output you can release the TIG torch switch to end weld the gas post flow will continue to run for set time 9 MMA TIG mode switch MMA TIG mode switch Switches between TIG GTAW MMA STICK SMAW welding 10 AC Squarewave frequency adjuster AC Squarewave frequency adjustment 50 250Hz Traditional TIG welders have a fixed frequency of...

Page 14: ...ation and the machine will spend more time penetrating work negative part of cycle When welding dirty contaminated material more cleaning may need to be selected the machine will spend more time lifting coating off the work positive part of cycle For most AC welding we suggest you set machine to about 40 SP This means 40 of weld cycle is positive cleaning and 60 of weld is negative penetration Tip...

Page 15: ...an be dangerous Keep your head out of fumes gases produced from welding Use ventilation or exhaust to remove fumes gases from breathing zone and general area WARNING WELDING SPARKS can cause fire or explosion Keep flammable material away from work area Do not weld on containers that have held combustibles WARNING ARC RAYS can burn Wear eye ear and body protection Make sure work area is protected b...

Page 16: ... setting 10 Adjust Pulse freq to desired setting 11 If welding on AC set AC Frequency to 100Hz and SP to 50 12 Press the TIG torch switch to start welding Notes When welding with Pulse the pulse amperage must be set higher than the base amperage The LED display will show Pre set amperage with base and pulse current settings The benefits of pulse welding is the ability to control the weld pool and ...

Page 17: ...ore welding Tips for AC Welding The TIG161 offers two significant advantages over conventional silicon rectifier SCR transformer power sources 1 The AC square wave balance SP can be set to a higher percentage electrode negative decrease below 50 which minimizes tungsten heating and erosion 2 The AC square wave frequency can be varied to focus the arc and achieve quicker travel speed Increasing the...

Page 18: ... SHOCK CAN KILL When machine is switched to MMA mode output terminals are always live take care and do not touch electrode and earth by person at same time otherwise electric shock will occur The foot pedal has no affect on welding current in MMA mode and the gas flow and high frequency starting circuit is disabled ELECTRODE RATINGS Electrode Diameter mm 2 Thoriated on DC amps Red Tip Grind to poi...

Page 19: ...torch and cables in good condition 4 Clean air vents to ensure proper air flow and cooling 5 The fan motor has sealed bearings which requires no maintenance Troubleshooting Service repair should only be performed by R Tech welding trained personnel Unauthorised repairs performed on this welding equipment may result in danger or injury to the technician and machine operator and will invalidate your...

Page 20: ...utput Power light is lit Gas at torch end when trigger pressed Check torch condition possible break in torch power cable replace torch Machine keeps overheating Warning light is lit on machine Check if fan is running if not contact R Tech for repair Check the cooling vents for obstruction blow out machine with clean dry low pressure air supply Check for adequate ventilation around machine Porosity...

Page 21: ...or If welding at high currents are required try switching to fixed mains supply or Set AC balance SP to 50 position Arc Flutters when TIG welding 1 Tungsten electrode may be too large in diameter for the current setting 2 Tungsten not sharp when in DC mode 3 Gas shielding flow may be low or high check gas flow reduce tungsten stick out beyond ceramic 4 Check for leaks in torch gas hoses Black area...

Page 22: ... points with clean dry low pressure air line HF PCB faulty Contact R Tech for repair MMA Stick welding problems Stick electrode blasts off when arc is struck Welding current set to high reduce amperage or use thicker electrode Contaminated electrodes or material Electrode sticks in weld puddle Welding current is set too low Arc is too short keep electrode further away from work Excessive splatter ...

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