Miller XMT 300 CC/TIG Manual del usuario - Página 17
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1
Arc Force Control
(Dig)
Figure
4-6. Arc Force Control
(Dig)
AA
WARNING
ELECTRIC SHOCK
can
kill.
Do not touch live electrical
parts.
Do not touch weld
output
terminals when contactor is
energized.
Do not touch electrode and work
clamp
at
the
same
time.
swaml.1
10191
Figure
4-7.
Output (Contactor)
Switch
This control is used for SMAW
welding
and
only
works when Pro
cess
Selector
switch
(see
Figure 4-4)
is in the
SMAW
posi
tion.
Use control to
help
start
an
arc or
make vertical
or
overhead
welds.
Control
increases
amperage
at
low
arc
voltage (see Figure 2-1).
When
set at
0,
short-circuit amper
age is the
same as
normal
welding
amperage.
When
set
at
100,
short-circuit
amperage increases
to
help
arc
starting.
Select
setting
best suited for
appli
cation. Numbers around control
are
for reference
only.
Set control
at
0 for GTAW
welding.
1
Output (Contactor)
Switch
Use switch
to select
way ot
control
ling
output.
For
front
panel
control,
place
switch in
On
position.
For
remote
output
control and
to
preset
amperage
using
optional
digital
meter,
place
switch
in
Re
mote 14
position (see
Section
3-5).
Weld
output
terminals
are
energized
when switch Is On and Power is On.
OM-2204
Page
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