Tweco 186 DC Inverter - Manual (Page 42)

INSTALLATION, OPERATION AND SETUP 3-12 Manual 0-5237
186 AC/DC INVERTER INSTALLATION/SETUP
I
z
I
s
I 2
I
e
I 1
MODE
PULSE
PURGE
PROCESS
LIFT TIG
V
SEC
%
Hz
HF TIG
STICK
2T
4T
TRIGGER
BACK FORWARD
AC FREQUENCY
P O R T A B L E W E L D I N G S Y S T E M
WAVE BALANCE
ARC FORCE
Pre
Flow
Post
Flow
Initial
Current
Up
Slope
Down
Slope
Crater
Current
Weld
Current
Frequency
f
w
Width
High Current
Low
Current
Hot
Start
t1 t2
A V
Press to go forward / go back
between programming status
LED’s
Adjust programming parameter
using the Multi Function Control knob
A-11497_AB
Figure 3-6: LIFT TIG and HF TIG Programming Mode
Programming Parameter Adjustment Device Display
Pre-Flow
This parameter operates in
TIG modes only and is used to
provide gas to the weld zone
prior to striking the arc, once
the torch trigger switch has been
pressed. This control is used to
dramatically reduce weld porosity
at the start of a weld.
V
SEC
%
Hz
Volts
0.0 to 1.0 second
Initial Current
This parameter operates in (4T)
TIG modes only and is used to
set the start current for TIG. The
Start Current remains on until the
torch trigger switch is released
after it has been depressed.
Note: The maximum initial current
available will be limited to the set
value of the weld current.
Amps
5 to 200 Amps (DC TIG mode)
30 to 200 Amps (AC LIFT TIG mode)
10 to 200A (AC HF TIG mode)