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Jasic AC.DC TIG-200 Series User Manual
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Jasic AC.DC TIG-200 Series User Manual

Jasic AC.DC TIG-200 Series User Manual

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USER ' S MANUAL
MODEL：AC.DC TIG-200/AC.DC TIG-250/AC.DC TIG-315
INVERTER SERIES
Read first please!
Thank you !
In order to protect you and others, please read this manual and understand it completely before
operate.

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Summary of Contents for Jasic AC.DC TIG-200 Series

  • Page 1 USER ′ S MANUAL MODEL：AC.DC TIG-200/AC.DC TIG-250/AC.DC TIG-315 INVERTER SERIES Read first please! Thank you ! In order to protect you and others, please read this manual and understand it completely before operate.
  • Page 2 Safety warning ！ Assure that protection measurements been done before welding cutting, because Assure that protection measurements been done before welding cutting, because others might hurt. Refer operator security protection manual according with accident others might hurt. Refer operator security protection manual according...
  • Page 3 The power source of inverter arc welding machine is produced: first the working current of 50/60HZ is commutated into direct current and inverted into high frequency (e.g. above 100KHZ); then its voltage is reduced and the current is commutated again; last it exports direct current power source of high-power with pulse-width modulation technique (PWM).
  • Page 4 Main performance parameters table: Model AC.DC TIG-200 AC.DC TIG-250 AC.DC TIG-315 Parameters Single-phase AC110V/220 Power voltage Three-phase AC380±15％ ±15％ 50/60 50/60 50/60 Power frequency（HZ） 20.7 13.9 Rated input current (A) 20-200 20-250 20-315 Output current adjustment (A) No-load voltage (V) Rated operating voltage (V) Pre-flow (S) 20-80...
  • Page 5 Function and description of control panel. 1. Transfer switch: 1) AC/DC transfer switch: The welding machine can be used for AC argon arc welding (for aluminum material) when locate the transfer switch at “AC” position. The “DC” position is used for DC argon arc welding(for stainless steel, iron and copper etc.).

  • Page 6: Installation

    Installation 6. When control the welding machine with foot switch, the two-cores and three-cores plugs of foot switch should be connected with the two-cores and three-cores sockets on the control panel of the welding machine. 7. Connect the power cord with voltage-matched distribution chamber according to the input voltage grade of welding machine.
  • Page 7 3. Turn on the argon gas switch and adjust gas flow to rated value( see flow meter). 4. Adjust the ratio of positive and negative current time according to oxidized condition of welded workpiece. 5. The solenoid valve is active after pressing the switch on welding torch and a sound generated by high-frequency spark discharging in the welding machine will be heard.

  • Page 8: Maintenance

    ！ Warning! Strictly prohibit inserting pushing cable plugs course welding because Strictly prohibit inserting pushing cable plugs course welding because operations operations hurt hurt operator operator damage damage machine. machine. Maintenance ！ Warning! maintenance maintenance examination examination must must carried carried after after...

  • Page 9: Safety Keys

    4) The welding operation shouldn’t be done in the dust or environment containing corrosive gas. 5) The welding operation shouldn’t be done in the environment of strong airflow. Safety keys Safety keys The welding machines can automatically stop work when the setting standards, like the electric network voltage, the output current and built-in temperature are exceeded because of the protection circuits of over-voltage, over-current and over-heat.

  • Page 10: Troubleshooting

    whether the gas circuit of the welding torch is blocked. 4.Unsealed gas circuit or gas with low purity may affect the quality of welding. 5. Strong airflow may degrade the welding quality. B. Arc is hard to start and easy to break: 1.
  • Page 11 If you are failure in control circuit, pls find out the root cause or contact with dealer. The control wire on welding gun is broken. Abnormal indicator does not light, and The welding gun cable is broken. “susurrus” sound generated by high The grounding wire is broken or it is connected with welded workpiece.
  • Page 12 sound generated by high 2. The discharging electrode is oxidized or the distance is too long, pls remove frequency discharge, oxidized film or adjust the distance to 1mm. “rubbing arc welding” can 3. Individual component of high frequency arc starting circuit is damaged, find it start arc and replace it.

This manual is also suitable for:

Ac.dc tig-250 seriesAc.dc tig-315 series