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TIG251 AC/DC INVERTER TIG WELDER

OPERATION INSTRUCTIONS

Version 2014-1

Содержание TIG251

Страница 1: ...www r techwelding co uk email sales r techwelding co uk Tel 01452 733933 Fax 01452 733939 TIG251 AC DC INVERTER TIG WELDER OPERATION INSTRUCTIONS Version 2014 1...

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Страница 3: ...on data plate at rear of machine Product TIG251 Serial No ___________________________________ Date of Purchase _____________________________ Where Purchased _____________________________ Whenever you...

Страница 4: ...protected from overloads beyond 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...

Страница 5: ...articles 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 mo...

Страница 6: ...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...

Страница 7: ...ot touch electrically live parts The TIG251 Inverter TIG Welder requires a 240V 50 60Hz supply It requires a 32A supply for TIG and MMA welding It comes with a 3 metre mains cable attached Connect wir...

Страница 8: ...s etc 3 Fuse Holder 5A 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...

Страница 9: ...ting 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 th...

Страница 10: ...ve 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...

Страница 11: ...tment 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...

Страница 12: ...machine 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 Afte...

Страница 13: ...machine will now decrease the welding 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...

Страница 14: ...t more penetration 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 mo...

Страница 15: ...n 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 ex...

Страница 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 ampera...

Страница 17: ...re welding Tips for AC Welding The TIG251 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 per...

Страница 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...

Страница 19: ...orch 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 b...

Страница 20: ...tput 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...

Страница 21: ...r 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 t...

Страница 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...

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