Functional characteristics
Advanced settings
Item No.: 099-004877-EWM01
61
5.6.3
Configuring the TIG potentiometer torch connection
When connecting a potentiometer torch, jumper JP27 on PCB T320/1 inside the welding machine
should be unplugged.
Welding torch configuration
Setting
Prepared for TIG standard or up/down torch (factory setting)
:
JP27
Prepared for potentiometer torches
JP27
Observe the safety precautions given in the standard operating instructions!
Observe accident prevention regulations!
All conversion and retrofitting work must be completed by electrical engineers in accordance
with the relevant VDE regulations.
Disconnect from the mains before opening.
Switching off is not sufficient. Wait for 2 minutes until the capacitors have discharged.
It is absolutely essential that a repetition test conforming to VDE 0702, VBG 4 and VBG 15 is
performed before using the machine again!
For more detailed instructions, please see standard operating instructions for the welding
machine.
5.6.4
Switching between percentage and absolute welding currents
The currents can be set and displayed as a percentage (factory setting) or as an absolute value:
Pos. Symbol
Description
1
Ignition current (TIG)
Hotstart current (MMA)
2
AMP%
Secondary current (TIG)
3
End-crater current (TIG)