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EN
AUT: The cooling unit cuts out after a 2-minute welding off-time
ON: The cooling unit is permanently ON
OFF: The cooling unit is permanently OFF
If an FK 9000 cooling unit is used, the only possible settings are ON and OFF.
Example:
- MIG/MAG welding process ... e.g. use of a water-cooled welding torch: C-C = AUT
- TIG welding process ... e.g. use of a gas-cooled welding torch: C-C = OFF
Depending on the value of the CSS parameter, it may be necessary to lengthen the arc to
trigger the TIG comfort stop function:
- when CSS = 0.5 - 2.0 ......... small increase in the size of the arc
- when CSS = 2.0 - 3.5 ......... medium increase in the size of the arc
- when CSS = 3.5 - 5.0 ......... large increase in the size of the arc
NOTE! If the “FK 4000 thermostat” option has been installed in the cooling unit,
the cooling unit cuts out as soon as the return temperature has dropped below
50°C, but no sooner than after a 2-minute welding off-time.
NOTE! Parameter C-C can be set differently for MIG/MAG welding and TIG weld-
ing.
CSS
Comfort stop sensitivity - Sensitivity of the response characteristic of the TIG comfort stop
function
Unit -
Setting range 0.5 - 5.0 or OFF
Factory setting OFF
NOTE! A standard value setting of 2.0 is recommended for the CSS parameter.
However, if the welding process is frequently stopped unintentionally, increase
the value for the CSS parameter.
r
r (resistance) - Welding circuit resistance (in m)
see "Measuring welding circuit resistance r"
L
L (inductivity) - Welding circuit inductivity (in microhenry)
see "Displaying welding circuit inductivity L"
COr
Correction - Gas correction ("Digital gas control" option)
Unit -
Setting range AUT / 1.0 - 10.0
Factory setting AUT
NOTE! Please refer to "Digital Gas Control" operating instructions for more de-
tailed explanations of the "COr" parameter.
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