and also the correct welding current selection, to ensure the core electrode ller material
and ux coating melt and burn efciently for effective welding. The following table
provides a selection of welding current ranges for the various electrode sizes covered by
the output of the 180 amp MinarcTig
TM
machine in MMA welding mode.
MMA Electrodes and corresponding current settings range.
Electrode
diameter
1,6 mm 2,0 mm 2,5 mm 3,25 mm
Fe-Rutile 30–60A 40–80A 50–110A 80–140A
Fe-Basic 30–55A 50–80A 80–110A 110–140A
3.5. Function controls and indicator lights
1. Power ON indication lamp.
2. Pre/Post gas, slope up/slope down and main current parameter indicator lamps.
3. Welding parameter selector arrow keys for items 2.
4. Welding process selection button for MMA or TIG.
5.2Tor4TTIGtorchswitchselectionbutton.Select2T–shortwelds.4T–longwelds.
6. High frequency ignition selection button.
7.Panelcontrol,TIGTorchremoteorfootpedalremote–currentcontrolselection
button.
8.Parameteradjustmentandcontrolencoderpotentiometer.
1
2
10
9
8
3
4
5
6
7