Touchdown Ignition - Fronius TransTig 2200 Instructions De Service

Touchdown For details of how to adjust the set-up parameter "HFt", please refer to the section
ignition headed "The set-up menu: - sub-section "TIG set-up parameters".
Set the HFt parameter (HF ignition) to OFF. The HFt parameter has a default value
allocated to it before the power source leaves the factory. To set the HFt parameter to
OFF, set the value to greater than 0.4 sec until OFF appears on the display.
To ignite the arc, proceed as follows:
Fig.13 Position the gas nozzle
Fig.14 Arc ignites when electrode is touched down
Fig.15 Welding
on workpiece
- Place the gas nozzle down on the
ignition location in such a way that
there is a gap of approx. 2 to 3 mm
(0.08 to 0.12 in.) between the tungs-
ten electrode and the workpiece.
- Actuate the torch trigger - the shiel-
ding gas starts to flow
- Gradually tilt the torch up until the
tungsten electrode touches the
workpiece
- Raise the torch and tilt it into the
normal position; the arc now ignites
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