LOTOS TIG200-DC Manual Download Page 7

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When use MMA function

When use TIG function

warning

！

Before connecting operation please make sure all the power is turned off. The right order

is to connect the welding cable and ground cable to the machine first, and make sure they are firmly

connected and then put the power plug to the power source.

TIG 200D

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Power supply

(1phase ~ 110/220V)

Connected to
the ground

OVERHEAT

POWER

TIG 200D

Power supply

(1phase ~ 110/220V)

Connected to
the ground

POWER OVER

HEAT

groun

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TIG

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Summary of Contents for TIG200-DC

Page 1: ...LOTOS TIG200 DC TIG Stick Welder www uwelding com ...

Page 2: ...ine description 3 4 Technical parameters table 4 5 Installation instruction 5 6 Panel function instruction 7 7 Operation instruction 8 8 Notes or preventive measures 9 9 Questions to be run into during welding 10 10 Maintenance 11 11 Before checking 12 ...

Page 3: ...air extractor should be used to prevent from breathing gas Arc radiation Harmful to your eye and burn your skin Use suitable helmet and light filter wear protective garment to protect eye and body Use suitable helmet or curtain to protect looker on Fire Welding spark may cause fire make sure the welding area no tinder around Noise extreme noise harmful to ear Use ear protector or others means to p...

Page 4: ... be adjusted for specialty to make arc softer or harder TIIG welding machine is easy for arc initiation and has the functions of arc initiation current arc stop current welding current basic value current current ascending time current descending time gas delay time continuous adjustment What s more pulse frequency and pulse duty can also be adjusted independently It has the characteristics of aut...

Page 5: ...42 8A MMA 47A Rated output voltage V TIG 14 8V TIG 17 6V MMA 24 8V MMA 28 4V Rated output current A TIG 10 120 TIG 10 190 MMA 30 120 MMA 30 180 No load voltage V 50 80 50 80 Arcing way HF Duty cycle 60 Post gas time S After descending 2 5S No load loss W 40 Efficiency 80 Power factor 0 73 Insulation grade F Housing protection grade IP21 weight kg 17 Dimensions mm 485 395 360 ...

Page 6: ...e polarity and fasten it clockwise When use pulse arc welding Put the gas electricity plug of the welding gun to the joint at the front panel and fasten clockwise Put the air switch on the gun to the relevant joint at the front panel and fasten the screw 5 Put the fastening plug of the cable to fastening socket of polarity at the front panel fasten it clockwise and the earth clamp at the other ter...

Page 7: ...g cable and ground cable to the machine first and make sure they are firmly connected and then put the power plug to the power source TIG 200D manual welding workpiece ground clamp Power supply 1phase 110 220V Connected to the ground OVERHEAT POWER TIG 200D Power supply 1phase 110 220V Connected to the ground Ar POWER OVERHEAT ground clamp workpiece TIG welding torch ...

Page 8: ...IG switch 7 Remote control socket 3 Power switch 8 Manual welding interface 4 2S 5S switch 9 TIG welding torch interface 5 Pulse frequency change over switch 10 Ground clamp interface The panel picture above is for reference only If any difference with the real machine please follow with the real machine ...

Page 9: ... down So torch must be kept welding place some time before arc has been extinguished 4 Set suitable welding current and make sure welding current is adequate to thickness of workpiece and process demand STICKING DESCRIPTION 1 It is 2 4 mm from welding tungsten electrode to workpiece press control knob of torch burn and strike arc sound of HF arc striking will be diminished The welding machine can ...

Page 10: ...ser should make sure the working area is adequately ventilated It is important for the performance and the longevity of the machine 2 Do not over load The operator should remember to watch the max duty current Response to the selected duty cycle Keep welding current do not exceed max duty cycle current Over load current will damage and burn up machine 3 No over voltage Power voltage can be found i...

Page 11: ...nment that can lower welding quality B Arc striking is difficult and easy to pause 1 Make sure quality of tungsten electrode is high 2 Grind end of the tungsten electrode to taper If tungsten electrode is not grinded that will be difficult to strike arc and cause unstable arc C Output current not to rated value When power voltage departs from the rated value it will make the output current not mat...

Page 12: ...rangement in order to prevent damaging to small components of inter machine 3 Check inter circuit of welding machine regularly and make sure the cable Circuit is connected correctly and connectors are connected tightly especially insert connector and components If scale and loose are found please give a good polish to them then connect them again tightly 4 Avoid water and steam enter into inter ma...

Page 13: ... cause machine is in protection circuit Close machine 2 3 minutes then open it again 5 Main circuit 24V relay of power panel is not close or has damaged Check 24V power source and relay If relay has damaged replace it with same model Fan is working Indicator is not lit and sound of HF arc striking can not be heard wiping welding can not strike arc 1 Positive and negative electrodes of VH 07 insert...

Page 14: ... then open machine a If abnormal indicator is still lit some of fieldistor of MOS board is damaged find out and replace it with same model b If abnormal indicator is not lit rise transformer of HF arc striking circuit is damaged replace it 2 If abnormal indicator is not lit a Maybe transformer of middle board is damage measure inductance volume and Q volume of main transformer by inductance bridge...

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