61
EN
TIG welding
Safety
Welding parame-
ters
WARNING! Operating the equipment incorrectly can cause serious injury and
damage. Do not use the functions described until you have thoroughly read and
understood the following documents:
- these operating instructions
- all the operating instructions for the system components, especially the safe-
ty rules
WARNING! An electric shock can be fatal. If the power source is connected to the
mains electricity supply during installation, there is a high risk of very serious in-
jury and damage. Before carrying out any work on the device make sure that:
- the power source mains switch is in the "O" position
- the power source is unplugged from the mains
Starting current I
S
Unit %
Setting range 0 - 200% of main current I
1
Factory setting 35 AC, 50 DC
The starting current I
S
is saved separately for the "TIG AC welding" and "TIG DC
welding" modes.
Main current I
1
Unit A
Setting range MW 1700 Job...... 3 - 170 -
MW 2200 Job...... 3 - 220 TT 2200 Job ... 3 - 220
MW 2500 Job...... 3 - 250 TT 2500 Job ... 3 - 250
MW 3000 Job...... 3 - 300 TT 3000 Job ... 3 - 300
MW 4000 Job...... 3 - 400 TT 4000 Job ... 3 - 400
MW 5000 Job...... 3 - 500 TT 5000 Job ... 3 - 500
Factory setting -
NOTE On welding torches with the Up/Down function, the entire setting range can
be selected while the device is idling. During welding, the main current can be cor-
rected in steps of +/-20 A.
Downslope t
down
Unit s
Setting range 0,0 - 9,9
Factory setting 1,0
The downslope t
down
is saved separately for 2-step and 4-step modes.
Final current I
E
Unit % (of main current I
1
)
Setting range 0 - 100
Factory setting 30