GYS PROGYS 200A PFC Manuel D'instructions page 14

To set the Hot Start, follow these steps :
TUNGSTEN ELECTRODE WELDING WITH INERT GAS (TIG MODE)
The DC TIG welding requires a protective gas (argon)
Follow the steps as below :
of the electrode.
Automatic Arc slope with time adjustable
Function activation:
This corresponds to the end of welding time required for the gradual decline in the welding current until the stop of the
arc. This function helps to avoid cracks and craters at end of welding.
(OFF)
OK
Recommended combinations / Electrode grinding
0,5-5
4-8
14
PROGYS 200A PFC
Press the switch (5).
«H» (Hot Start) blinks and a number is displayed.
0 - 90 %
Set the desired percentage (display (1)) using the (4) keys.
OK
Validate by pressing the switch (5).
OK 1. Connect the earth clamp on the positive pole (+).
2. Connect a torch «valve» negative polarity (-).(Ref. 044425)
3. Connect the pipe gas torch on the gas cylinder
4. Select the TIG position (3) using the selector button (5) (press and hold for 3 sec).
5. Adjust the wished current (display (1)) using the keys (4).
Advice : Take 30A/mm as a default setting and adjust according to the part to weld.
6. Set the gas flow on flewmeter of the gas cylinder, and then open the valve of the
torch.
7. To boot : Touch the electrode on the welding part
8. At end of welding: Up 2 times the arc (up-down-up-down) to trigger the automatic
fade (see paragraph below). This movement must be performed in less than 4 sec,
at a height of 5 to 10 mm. Then close the valve to stop the torch gas after cooling
1. Press the selector switch (5)
2. Set the automatic arc slope you wish from 1 to 10 sec (display(1)) using key
3. Validate the required figure by pressing the selector button (5).
Current (A)
10-130
130-200
Ø Electrode (mm)
= Ø wire
(filler metal)
1,6
2,4
Ø Nozzle (mm)
(Argon L/mn)
9,8
11
EN
Flow rate
6-7
7-8