Design and function
TIG welding
099-000157-EW501
16.10.2014
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5.8.14.4
Configuring the TIG potentiometer torch connection
DANGER
Do not carry out any unauthorised repairs or modifications!
To avoid injury and equipment damage, the unit must only be repaired or modified by
specialist, skilled persons!
The warranty becomes null and void in the event of unauthorised interference.
• Appoint only skilled persons for repair work (trained service personnel)!
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!
CAUTION
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 JP1 on PCB T200/1 inside the welding machine
should be unplugged.
Welding torch configuration
Setting
Prepared for TIG standard or up/down torch (factory setting)
JP1
Prepared for potentiometer torches
JP1
Figure 5-25
NOTE
For this torch type the welding machine has to be set to torch mode 3- See 5.8.14 Torch
mode and up/down speed setting chapter.
