LORCH
12.2
TIG
welding
proces
~
Switch on the
system
:>
Switch
on
the system at the main switch 6.
:>
Keep pressing button 44 until the desired MIG oper-
ating function is
selected.
./
The TIG symbol (LED 41) lights up.
:>
Use control knob 48 to set the desired welding cur-
rent.
TIG
welding current
Range
Factory
setting
Welding current
11
10
to
350A 100
Tab.
3:
TIG
welding current
Arc
ignitio
n
:>
Open the valve
19
on the TIG welding torch.
CD
(
~
( p
'//////////////
'///
///
//
//////
:>
<D
Briefly touch the workpiece with the tip
of
the elec-
trode
at
the point to be welded.
:>
@
Lift
the electrode a littl
e.
./
The
arc burns between the workpiece and the elec-
trode.
Ups lope
O A short-circuit current of 60 A
is
used
fo
r igniting during
the
TIG welding proc
ess.
The upslope takes place with
115
Ns
unt
il
the set welding current is reached.
Guideline values
for
the
current
intensity
and
the
gas
quantity
Tungsten electrode Current in-
Gas quantity
diameter [mm]
tensity [A]
[Vmin]
1.0 3 .. .40
4
1.6 15
...
130
5
..
. 6
2.0
45 .
..
180
5
..
. 8
2.4
70
..
. 240 6 ... 10
3.2 140 .
..
3
20
6
...
12
4.0 220 .. .450
6 .
..
14
-12
-
Start-up
12.3
MIG
welding
process
(MIG/MAG}
__
Switch
on
the
system
:>
Switch on the system at the main switch 6.
Selecting the
welding
process
:>
Keep pressing button 44 until the desired MIX
or
C0
2
operating function is selected.
./
The MIX
or
C0
2
symbol (LED
39
or
40) lights up.
Selecting
th
e
wire
feed
case
CD
The type
of
connected wire feed case can
be
selected at the welding unit.
0 If you are using a wire feed case with its own control
system you must set the case type
lo
external (EXI).
O If
you a
re
using a wire feed case without its own con-
trol system (with 6
or
7 pole connection plug) you
must set the case type
to
inte
rn
al
(lnt).
:>
Press the operating button
48
for 2 sees. to call up
the secondary parameters.
:>
Select the case type secondary parameter (Code
"Fdt") by tu
rn
ing the control knob 48 .
./
The
parameter
code
and
the
correspon
ding
setting are
displayed alternately
in
the
7-Seg
ment
disp
l
ay
35
.
:>
Confi
rm
the
secondary
parame
t
er
by
pressing
the
control knob 48 .
:>
Set the desired case type by
rot
ating the control knob
48 .
./
"lnt" or "
EXt"
is
di
splayed
in
t
he
7 segme
nt
dis
p
lay
35.
:>
Confirm the setting by pressing the control knob
48
.
:>
Exit the secondary parameters by pushing the oper-
ating button 48 for 2 sees
.,
or
by
pressing the selec-
tion button 44.
Operating mode EXt case
type
O Only the 2 cycle operating mode is possible in the
case type
E.Xt
operating mode.
:>
Set the welding voltage by rotating the control kn
ob
48
.
:>
Press the operating button 48 to display the welding
current.
O The welding current is only displayed during welding.
Operating mode
lnt
case
type
:>
Keep pushing the button 47 until the desired operat-
ing mode 2
cycle or 4 cycle an
d/or
crater filling func-
tion is selected .
./
The
LEDs
50
or
51
and/or 49 light up.
:>
Set the desired welding vol
tage
by rotating the knob
on the feed case.
:>
Set the desired wire feed speed by rotating the knob
on the feed case.
10.13
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