Lincoln Electric INVERTEC V205 Manuel D'utilisation page 11

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Hot Start: This is a temporary increase in the
output current during the start of the stick
welding process. This helps ignite the arc
quickly and reliably. The amount of hot start
can be adjusted on the "V
Start, described below.
Arc Force: This is a temporary increase in the
output current during normal stick welding.
This temporary increase in output current is
used to clear intermittent connections between
the electrode and the weld puddle that occur
during normal stick welding. The amount of arc
force can be adjusted on the "V
Arc Force, described below.
Anti-Sticking: This is a function which
decreases the output current of the machine to
a low level when the operator makes an error
and sticks the electrode to the work piece. This
decrease in current allows the operator to
remove the electrode from the electrode holder
without creating large sparks which can
damage the electrode holder.
When the mode switch is in the Lift TIG position, the
stick welding functions are disabled and the
machine is ready for Lift TIG welding. Lift TIG is a
method of starting a TIG weld by first pressing the
TIG torch electrode on the work piece in order to
create a low current short circuit. Then, the
electrode is lifted from the work piece to start the
TIG arc.
The last mode switch position, HF TIG, is only
available on the "V
###
switch is in this position, the stick welding functions
are disabled and the machine is ready for HF TIG
welding. During the HF TIG mode, the TIG arc is
started by HF without pressing the electrode on the
work piece. The HF used for starting the TIG arc
will remain on for 6.5 seconds; if the arc is not
started in this time limit, the trigger sequence must
be restarted.
E.
Power LED: This indicator will flash on and off
when the machine is first turned on. After
approximately 2 seconds it will stop flashing and
remain on to signal that the machine is ready.
F.
Thermal LED: This indicator will turn on when the
machine is overheated and the output has been
disabled. This normally occurs when the duty cycle
of the machine has been exceeded. Leave the
machine on to allow the internal components to
cool. When the indicator turns off, normal operation
is again possible.
G. Remote LED: This indicator will turn on when a
remote control is connected to the machine via the
remote control connector. Using a remote control
will change the function of the output current control,
refer to the output current control section.
H. Output LED: This indicator turns on when the
output of the machine is on. Both the type of
machine and the position of the mode switch
determine when the output of the machine is turned
on.
V
-S: In the stick welding mode, the output of the
###
-S", refer to Hot
###
-S", refer to
###
-T / -TP". When the mode
machine is automatically turned ON. However, in
the Lift TIG welding mode, the connection of a
remote control determines if the output is ON or
OFF. If a remote control is not connected (the
Remote LED is OFF) then the output of the machine
is automatically turned ON. If a remote control is
connected (the Remote LED is ON) then the output
of the machine is turned ON and OFF by the remote
connector on the front of the machine.
V
-T / -TP: In stick welding mode, the output of
###
the machine is automatically turned ON. However,
in both of the TIG welding modes, the output of the
machine is turned ON and OFF by the TIG torch
connected to the trigger connector on the front of
the machine.
I.
Meter: This meter displays the preset welding
current before welding and the actual welding
current during welding. Like the output current
control, the function of the meter is changed if a
remote control is connected. If the Remote LED is
ON, this indicates that a remote control is connected
and the meter will display the following information
before welding (during welding, the meter always
displays the actual welding current):
Stick Welding Mode: The meter displays the
preset welding current but this is adjusted from the
remote control as explained in the Output Current
Control section.
TIG Welding Modes: The meter displays the
maximum output current which is set by the output
current control knob. The preset welding current is
then adjusted by the remote control, but it is not
displayed on the meter.
V
-S: The machine have a Voltage / Current
###
switch to change the displayed value on the meter.
If this switch is set to voltage, the meter will always
display the output voltage of the machine.
J.
Output Current Control: This controls the output, or
welding, current of the machine.
The function of this control knob is changed if a
remote control is connected. If the Remote LED is
ON, this indicates that a remote control is connected
and the function of the output current control will be:
Stick Welding Mode: The remote control will
adjust the output current of the machine:
V205: from 5 to 200A
V270: from 5 to 270A
V405: from 5 to 400A
The output current control knob on the display panel
is not used.
TIG Welding Modes: The maximum output current
of the machine is set by the output current control
knob. Then the remote control adjusts the output
current from the minimum output (5A) to the value
set by the output current control knob. For example,
if the output current control knob on the machine is
set to 100A then the remote control will adjust the
output current from a minimum of 5A to a maximum
of 100A.
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