Latched Special; Tig Automatic Cut-Out - EWM PHOENIX 301 EXPERT forceArc Operating Instructions Manual

5.3.5.5

Latched special

I
Selection
• Select latched special mode
Step 1
• Press and hold torch trigger.
• Shielding gas is expelled (gas pre-flows).
The arc is ignited using liftarc.
• Welding gas flows at pre-selected setting in start program "P
Step 2
• Release torch trigger.
• Slope on main program "P
The slope on main program P
latest when the torch trigger is released.
Tapping can be used to switch to the reduced main program "P
back to the main program "P
Step 3
• Press the torch trigger.
• Slope to end program "P
Step 4
• Release torch trigger.
• Arc is extinguished.
• Gas post-flow time elapses.
5.3.6

TIG automatic cut-out

If the arc does not ignite after starting or if the arc is interrupted when the torch is moved away,
an automatic cut-out occurs after 3 sec. The HF, gas and open circuit voltage (power unit) are
switched off.
Item No.: 099-004833-EWM01
1.
P
A
P
START
.
".
A
is given at the earliest after the set time t
A
".
A
".
END
Functional characteristics
2.
P
B
Figure 5-35
START
3. 4.
P
END
".
elapses and at the
START
". Repeated tapping will switch
B
TIG welding
t
t
75