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User Manual

Version 1.0k of 11.06.2019

Original manual

PONTIG 202 AC/DC MOST

-23-

Table 5: List of potential problems during work

Problem

Potential cause

No high frequency TIG Pulse current

Defective HF ionizer

Contact technical support

The mass cable is not connected

properly

Check and connect

The tip of the tungsten

electrode is dirty

Grind

Wrong tungsten

electrode

Replace

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Summary of Contents for PONTIG 202 AC/DC MOST

Page 1: ...52 00 005421 Attention Every person using or responsible for the maintenance of this device should read the entire contents of this user s manual before starting work This will optimize the use of dev...

Page 2: ...construction 7 PONTIG 202 AC DC control panel 7 1 Description of the device buttons 7 2 Welding parameter settings 7 3 Description of the control panel operation 7 4 Saving parameters 8 TIG welding 8...

Page 3: ...evention of accidents Prior to starting your work remove all flammables from the welding area Welding inside tanks previously used as flammable liquid storage e g petrol is forbidden Place all combust...

Page 4: ...ensure long and reliable work do not place or use this device on an inclined surface of more than 15 do not use the device for pipe defrosting the device must be located in a place where the free cir...

Page 5: ...allowed to work on a suspended device e g using gantry or crane Maintenance and repair works should be carried out by authorized personnel in compliance with the applicable safety conditions 2 Mainten...

Page 6: ...ess steel b TIG DC welding method Ignition of the arc by the HF ionizer gas opened automatically by the electrovalve in the device For welding stainless steel or ordinary steel recommended tungsten el...

Page 7: ...factor cos fi 0 7 Power consumption kW 8 2 MMA 6 0 TIG Efficiency 85 Plug Schuko 16A Insulation class F Protection class IP 21S Standard EN 60974 1 Mark CE Dimensions mm 502x218x382 Weight kg 9 0 17...

Page 8: ...Top handle 4 Control panel see section 7 5 Current socket 6 TIG torch control socket 7 TIG torch gas socket 8 Current socket 9 Power cable with plug rear side 8 2 9 1 7 3 6 5 4 7 Pontig 202 AC DC Con...

Page 9: ...odes Figure 4 Selection of welding method 2 Figure 5 Operating mode of the TIG torch 3 Display of parameter values or error codes Current in Ampers A Unit of time seconds AC Balance or pulse rate in p...

Page 10: ...er pressing we can set the parameter value which is confirmed by pressing 4 again TIG Spot welding time or MMA ArcForce 20 Upslope time 19 Initial current 18 Background current I2 28 Balance 27 Post f...

Page 11: ...een different modes of operation of the TIG torch with digital control The button works if there is no welding in process The following operating modes are available 2T 2 stroke 4T 4 stroke Spot weldi...

Page 12: ...rked with the diode is done by turning the knob 4 Welding method Operating mode of the TIG torch 13 14 15 Gas pre flow 17 Initial current 18 Upslope time 19 Welding current I1 20 I2 Base Current 28 AC...

Page 13: ...ress the knob for 2 seconds to quickly switch between parameters If any parameter is highlighted it will be restored after approx 10 seconds without any action the welding current I1 will be shown on...

Page 14: ...ost flow time initial current upslope time downslope time and final current are regulated in the TIG DC and TIG AC methods Gas pre flow time post flow time initial current upslope time downslope time...

Page 15: ...the workpiece After arc ignition HF current disappears and welding current I1 increases to the set value After releasing the torch trigger the current begins to automatically decrease to the final cu...

Page 16: ...too short it can cause oxidation of the end of the weld crater In the case of TIG AC or non ferrous metal welding this time should be longer Upslope time tr This is the time of I2 current increase fr...

Page 17: ...Figure 13 Alternating current flow TIG AC square wave To choose the method press button 12 the diode 7 lights up see figure 4 In the case of TIG AC welding the gas pre flow time and the outflow time...

Page 18: ...IG DC pulse welding Frequency of AC 1 T pulses can be adjusted in the range from 0 2 to 200 Hz Pulse duration ratio Tp T can be adjusted from 1 99 9 Operating mode available on the TIG torch trigger T...

Page 19: ...uggest resetting the upslope times 19 and downslope times 24 according to Fig 6 2 2 stroke mode 2T diode 13 according to fig 5 1 Press the torch trigger the arc is ignited and the current gradually in...

Page 20: ...hing the end of the electrode with the material as the welding current is still present in the cables After switching the device on ON set the proper welding current for the given electrode diameter w...

Page 21: ...ding current and welding technology If the Arc Force is large the molten drop can be moved quickly and the electrodes are hard to stick However setting too much Arc Force value can lead to excessive s...

Page 22: ...ons are incorrect Welding with the MMA electrode cannot be performed The device is not in MMA work mode Switch to MMA welding indicator 8 should be on Welding arc cannot be ignited in TIG The device i...

Page 23: ...List of potential problems during work Problem Potential cause No high frequency TIG Pulse current Defective HF ionizer Contact technical support The mass cable is not connected properly Check and co...

Page 24: ...User Manual Version 1 0k of 11 06 2019 Original manual PONTIG 202 AC DC MOST 24 12 Electrical scheme Figure 16 Electrical scheme...

Page 25: ...ation mentioned above is in conformity with the rele vant requirements of EU harmonization legislation The Low Voltage Directive LVD 2014 35 EC The Electromagnetic Compatibility EMC Directive 2014 30...

Page 26: ...DC MOST 26 14 Recycling In accordance with Directive 2012 19 EU WEEE II WEEE Waste Electrical and Electronic Equipment after decommissioning the device must be recycled by a specialized company Do no...

Page 27: ...User Manual Version 1 0k of 11 06 2019 Original manual PONTIG 202 AC DC MOST 27 NOTES...

Page 28: ...iego 4 tel fax 12 686 37 36 686 37 35 41 703 Ruda l ska ul Stara 45 tel 32 342 70 00 fax 32 342 70 01 54 156 Wroc aw ul Stargardzka 9 C tel fax 71 351 79 34 71 351 79 36 65 410 Zielona G ra ul Fabrycz...

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