Lincoln Electric Aspect 375 Quick Reference Manual

For Easy TIG Setup Follow Steps 1, 2, 3, & 4 - For AC polarity turn on AC Auto Balance
DC
Upon machine startup, system is inoperable when green light is
blinking for 7 seconds during system startup sequence.
Steel Alloys
1

Polarity

Choose between DC polarity
Stainless Steels
Nickel Alloys
2

Process

Copper Alloys
Select high-frequency arc starting
Titanium
Hi-Frequency TIG
AC
Stick- Soft Mode
3

Output

Select 2-step functionality,
Aluminum
for use with standard foot pedal
Magnesium
AC Wave Shape
AC Balance and Electrode Positive (EP) / Electrode Negative (EN) Offset
are inaccessible with AC Auto Balance
AC Frequency is available with AC Auto Balance
Machine controls AC Balance, EP and EN
values based on output amperage
AC Balance - time as percentage that
polarity is electrode negative
AC Auto Balance
®
Instructions to activate "AC Auto Balance "
®
Select the AC Wave Shape button until the "Auto" icon
blinks, at which point "AC Auto Balance ® " can be turned on
or off by rotating the main control knob.
AUTO OFF
AUTO ON
™
and AC polarity
Touch Start TIG ®
Stick - Crisp Mode
2-Step 4-Step
on
®
® on or off
AC Frequency - Sequencer
cycles per second
Machine is set with default settings;
Electrode Positive (EP) /
- see Sequencer Functions for specialized settings
Electrode Negative (EN)
current values

AC Wave Shape Controls

AC Frequency control
Range 40 - 400Hz
FREQ
AC Balance control
Range 5 - 99% Electrode Negative
%BAL
Electrode Positive and Negative Offset
Independently adjust the amplitude of the
positive and negative portions of the
AC Wave Shape
Range 2 - 375 amps
QUICK REFERENCE GUIDE

A lower frequency results in a wider bead.
120
+
–
A lower AC Balance (EN%) results in an arc
with increased cleaning action.
75
+
–
A higher Electrode Positive (EP) current value
results in increased cleaning action.
+
–
EN 125
EP 50
see instructions below
®
4 Select to change main welding amperage
Note: Also push to exit from menus
Within each setting, make
adjustments with main control knob
Pulse
Machine is set with pulse mode de-activated,
- see Pulse Functions for specialized settings
A higher frequency results in a more
focused bead.
+
–
A higher AC Balance (EN%) results in
an arc with higher penetration.
+
–
A higher Electrode Negative (EN) current
value results in deeper penetration.
+
–