Jasic EVO 2.0 ET-200PACDC, Owner'S Manual

Page: 44 / 80

44
OPERATION - TIG
Before starting any welding activity ensure that you have suitable eye protection and
protective clothing. Also take the necessary steps to protect any persons within the welding
area.
TIG AC operation steps
To select TIG mode by pressing the green welding mode selection button until the
(top) TIG AC LED is illuminated as shown far left, then ensure you have also
selected standard (pulse off) mode as also circled left.
Select the 2T torch trigger mode by pressing the
torch mode button until the 2T LED is Illuminated
as shown right (for alternative trigger modes
details, please see pages 50/51).
Now, select your TIG starting method with HF or Lift TIG
being your options. Press the HF/lift arc button until the
TIG HF start LED is illuminated as shown left.
Select the AC square wave mode by pressing the
selection button until the TIG AC square wave LED
is illuminated as shown right. See page 46 for
further information on alternative AC waveforms
Selecting pre gas, upslope, welding current, downslope time, crater current and post flow gas time is
as standard TIG DC (See from page 39).
To select and set TIG AC frequency, rotate the dial until the pulse AC Hz LED is lit, then press the dial and
the Hz LED will then start to flash, then
rotating the adjustment control dial will
adjust the AC frequency to your required
setting. The AC frequency adjustment range
is 20 ~ 250Hz.
To select and set AC wave balance pulse, rotate the dial until the AC balance LED is lit, then press the dial
and the AC balance LED will then start to
flash, then rotating the adjustment control
dial will adjust the AC wave balance to the
required setting.
The AC balance adjustment range is 20 ~ 60%
with the balanced zero point being 40.