IPOTOOLS TIG 200DI ACDC IGBT DIGITAL Original Instruction Manual page 27

1.4 AC TIG
1. Set switch 11 to "HF TIG", switch 7 to "AC wave form", switch 10 to "off", connect the
gas supply pipe to connection 21 on the rear of the device.
2. The connection process is the same as in 1.1
3. AC Balance - Setting the cleansing effect: use switch 3 to select the parameter "AC
negative balance" from the welding curve and then set the desired value with button
13.
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SP = * 100%
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tp: time at I2 with positive flow
4. Setting the AC frequency: use switch 3 to select the "AC FREQ" parameter from the
welding curve and then set the desired value with button 13.
5. The welding process is the same as in 1.1
COATED ELECTRODE WELDING
1. Set switch 10 to the "MMA thumbnail" position
2. Set the desired welding current value with button 13
3. Pay attention to positive and negative attachment. Different types of electrodes require
different polarity, see electrode manufacturer's instructions.
tn: time at In with negative flow
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INSTRUCTION MANUAL
TIG 200DI ACDC Welding machine