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3.1.5. Parallel control unit for welding current
Controlling is directed only on welding current, in which case changing current is rapid in ope-
ration mode. Control unit is operating in parallel with key S39 on right lower corner of panel if
welding current is adjusted from them. Parallel control unit cannot be used for adjusting times
or per cents.
3.1.6. Pre-gas time display and current up-slope time display
Control ranges are 0...9 s.
3.1.7. Display of current down-slope time
Control range is 0...30 s.
3.1.8. Display of post gas time
Control range is 0...99 s.
3.1.9. Display of welding current
On no-load the meter shows set value of welding current and at welding
true value.
3.1.10. Local and remote control of welding current
Local control is carried out from +/- keys. Remote control unit R10 can be
put into operation by pressing the selection key for remote control.
3.1.11. Controls for TIG welding
Starting situation: Torch is switched, but start switch
is not pressed.
1
Select TIG welding.
2
Select spark ignition.
3
Select 2-function position.
4
Press one or the other of arrow keys until light
H23 will be lighted.
5
Press the + or the - key and adjust the needed
current value to display P23.
You can test suitability of current by welding
and adjust current again if necessary.
6
Press arrow key once to right, until lamp H24
will be lighted. Adjust the down-slope time as
suitable. Seconds are displayed in P24.
7
Press again arrow key and H25 will be lighted. Adjust post gas time as suitable. Seconds are
displayed in P25.
8
Keep pressing the arrow key, and adjust the pre-gas time and current up-slope time correspon-
dingly (H21 ja H 22).
Breaking of down-slope time at 2-function of torch is done by pressing down the switch, when
current starts to go up to set value with the same speed with which it had gone down. At 4-fun-
ction down-slope of current is stopped when torch switch is pressed down and down-slope ope-
ration will be continued by releasing the switch. Intermittent up- and down-slope operations are
produced by pressing the switch for a short time.
© KEMPPI OY
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PROTIG 410 / 0537 – 13
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