Miller XMT 304 Manual do Proprietário - Página 22
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4-1.
Front Panel Controls
SECTION
4-
OPERATION
__
A
ST-179
275
S
1
Power On/Off Switch
U~ The
fan
motor
is
thermostatically
controlled and
only
runs
when
cooling
is
needed.
2
Voltmeter
(see
Section
4-2)
3
Ammeter
(see
Section
4-2)
4
Voltage/Amperage
Adjustment
Control
5
Mode Switch
The Mode switch
setting
determines both the
process and
output
On/Off
control
(see
Sec
tion 4-3. Source of control
(panel
or
remote)
for the amount of
output
is selected
on
the
Voltage/AmperageControl
switch.
For Air Carbon Arc
(CAC-A) cutting
and
gouging, place
switch in Stick
position.
For
best
results,
place Inductance/Dig
control in
the maximum
position.
6
Voltage/Amperage
Control Switch
For front
panel
control,
place
switch in Panel
position.
For
remote
control,
make connections
to
Re
mote 14
receptacle,
and
place
switch in
Remote
position.
In most
modes,
remote
control is
a
percent
of the
Voltage/Amperage
Adjustment
control
setting (the
value
se
lected
on
Voltage/Amperage Adjustment
control is maximum available
on
remote).
In
the MIG
mode,
remote
control
provides
full
range of
unit
output
reganiless
of V/A
Adjust
control
setting.
7
Inductance/Dig
Control
Control
adjusts Dig
when
a
Stick
(SMAW)
welding position
is selected
on
mode switch.
When set
lower,
short-circuit amperage
at
low
arc
voltage
is the
same as
normal
welding
amperage.
When
set
higher,
short-circuit amperage is in
creased
at
low
arc
voltage
to
assist with
arc
starts
as
well
as
reduce
sticking
while weld
ing (see volt-ampere
curves
in
Section
3-3).
Select
setting
best suited for
application.
Control
adjusts
inductance when
a
MIG
(GMAW) position
is
selected
on
the mode
switch. Inductance determines the wetness
of the weld
puddle.
When set
higher,
wet
ness
(puddle fluidity)
increases.
When
pulsed
MIG,
or
one
of the TIG
(GTAW)
processes
is
selected,
this control is not func
tional.
-e
0
S
OM-193 084
Page
18