WIA MC114-0, Руководство оператора

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Weldarc 200 AC/DC | Operator Manual | Model No MC114-2
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3.3.2.2 TIG START
3.3.2.2.1 Lift Arc TIG
In this mode the arc start is by Lift Arc
technique.
3.3.2.2.2 High Frequency Start TIG
In this mode the start will be with High
Frequency (HF) arc start. When the tungsten
is near the work piece and the torch trigger
is pressed, then a high energy spark is
created to jump from the tungsten to the
work piece and initiate an Arc.
3.3.2.3 Remote Control
The output current of the machine can be
controlled remotely by On/Off trigger switch
control and current control adjustment
located in the torch hand piece or in
foot control.
The Remote control adjustment will allow
minimum -100% of the current setting on
the machine.
For example, if the machine is set to 150A
the remote adjustment will adjust 10-150A.
3.3.2.3.1 TIG Torch
Used for remote control adjustment, the TIG
torch will require a trigger switch and current
control potentiometer in the hand piece.
Control plug of the TIG torch is connected
to the machine remote control socket FIG 7.
Turn the machine on.
First the machine needs to be adjusted to
the maximum desired current. To do this,
the remote control knob on the TIG torch
needs to be adjusted to maximum.
Adjust to the desired maximum current
(such as 150A) on the machine with the
control knob FIG 1 (7). The AMPs digital
display will then shoe 150A.
Adjust the control knob on the TIG torch,
the AMPS display will then change as the
knob is adjusted.
3.3.2.3.2 Foot Control
For the remote control adjustment, the WIA
foot control (Part Number AA76) has an in-
built trigger switch and current control and
can be used to control the weld start and
weld current.
Control plug of the TIG torch is connected
to the machine remote control socket FIG 7.
Turn the machine on.
First the machine needs to be adjusted to
maximum desired current Select LIFT TIG
MODE to prevent HF during setup.
Press the foot control pedal to maximum.
Adjust to the desired maximum current
(such as 150A) on the machine with the
control knob FIG 1 (7). The AMPS digital
display will then show 150A.
Release the foot control pedal and the
current will adjust down from 150A to 10A.
HF MODE can now be selected if required.