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Gys TIG 168 DC HF Manual

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TIG 168 / TIG 200 DC
MADE IN FRANCE
EN
Post-gas setting (3 to 20 sec)
Time needed to shift from welding current to minimum current. Avoids cracks and craters at the end of wel-
ding.
Post-gas setting (3 to 20 sec)
This parameter determines the length of time in which gas is released after the arc has stopped. It pro-
tects the weld pool and the electrode against oxidization whilst the metal is cooling after welding.
Advice : Increase the time if the welding appears dark.
(For default setting : 25A=4sec. – 50A=8sec. – 75A=9sec. – 100A=10sec. – 125A=11sec. – 150A=13sec. - 200A=15sec).
Nb. : You can check your settings at any time by pressing the parameter button, without turning the
wheel.
Functions available according to welding mode
According to welding mode selected, some buttons will not work, please see table below :
Starting Trigger TIG process
HF TIG Lift 2T 4T 4T log
Pre-gas Post-gas
Normal TIG • • • • • • • • (I)
•
only in
4T Log
• •
Pulse TIG • • • • • • •
(I) • • • •
Easy Pulse TIG • • • • • • •
(I
average
) • •
SPOT • • • • •
Memory settings: saving and recall
There are 5 memory slots to save and recall TIG parameters. As well as these, the 168/200 stores the last used settings,
and activates them when the machine is restarted.
Input
1- Press the button and hold for 1 second until «In» is displayed.
As long as the display indicates «In», the action can be cancelled.
2- After one second, the display indicates a program number (P1 to P5), kee-
ping the button pressed, turn the wheel to select the desired memory location.
Release the button to store the parameters.
Recall a set-up
Proceed as above by pressing the
button
Reset factory parameters
1- Press the reset button for 3 seconds.
2- The display indicates «Ini».
All saved memory settings have been deleted (the factory parameters are set on
all 5 programs + start parameters).
Recommended combinations / Electrode grinding
Current (A)
Ø Electrode (mm)
= Ø wire (ller metal)
Ø Nozzle (mm)
Flow rate
(Argon L/mn)
0,5-5 10-130 1,6 9,8 6-7
4-6,5 130-200 2,4 11 7-8
> 6.5 > 200A 3,2 12,7 8-9
To optimise the welding process, it is recommended to grind the electrode prior to welding as described in the diagram
below :
L = 3 x d for a low current
L = d for a high current.
L
d
… 19 …


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