Kemppi SF 51 - Manual (Page 9)

EN
Gas test (5)
The gas test button opens the gas valve without activating the wire feed or power source. Gas
flows for 20 seconds by default. The display shows the remaining gas flow time. The default
time of gas flow can be adjusted via the right-hand potentiometer within a range of 0 to 60
seconds. The new time setting is recorded in the memory. The gas flow can be discontinued
by pressing the ON/OFF button or the start switch of the gun.
Weld data (6)
The weld data function is activated by pressing buttons 5 and 7 simultaneously. The weld
data function returns the welding current and voltage values to the displays that were in use
during the last weld.
Wire inch (7)
The wire inch button starts the wire feed motor without opening the gas valve and without
engaging the power source. The default wire feed speed is 5 m/min. The speed can be
adjusted via the right-hand potentiometer. When the button is released, the wire feed stops.
Operation returns to normal approx. 3 seconds after release of the button or if the ON/OFF
button is pressed briefly.
Selection of welding process (9)
The welding process – normal MIG/MMA – can be chosen by the welding process selection
button. In MIG welding wire feed speed and welding voltage are adjusted separately.
Electrode welding (MMA) is selected by pressing the button for >1 second.
NOTE! When electrode welding is selected, the power source, the electrode holder connected to it
and the MIG gun become energised (open circuit voltage).
Selection of MIG operating procedure (10)
Gun trigger logic selection.
Short Press: 2T / 4T selection.
Long Press: Setup functions.
Setup (10)
When the adjustment of SETUP parameters has been confirmed with long press of the SETUP
button (10b), the adjustable parameter is selected via left potentiometer (control knob), and
the name of the parameter is shown on the left display. Parameter value is selected from
right potentiometer (control knob), and the value can be seen on the right display. (See the
information on SETUP functions).
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