Welding procedure
TIG welding
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099-00T400-EW501
21.10.2016
4.1.12.4 Configuring the TIG potentiometer torch connection
DANGER
Risk of injury due to electrical voltage after switching off!
Working on an open machine can lead to fatal injuries!
Capacitors are loaded with electrical voltage during operation. Voltage remains present
for up to four minutes after the mains plug is removed.
1.
Switch off machine.
2.
Remove the mains plug.
3.
Wait for at last 4 minutes until the capacitors have discharged!
WARNING
Risk of accidents due to non-compliance with the safety instructions!
Non-compliance with the safety instructions can be fatal!
• Carefully read the safety instructions in this manual!
• Observe the accident prevention regulations and any regional regulations!
• Inform persons in the working area that they must comply with the regulations!
Test!
Before re-commissioning, it is essential that an "inspection and test during operation" is carried
out conforming to IEC / DIN EN 60974-4 "Arc welding devices - inspection and testing during
operation"!
• For detailed instructions, please see the standard operating instructions for the welding
machine.
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
Figure 4-30
For this torch type the welding machine has to be set to torch mode 3 > see 4.1.12 chapter.
