OM-281426 Page 32
F
Complete Parts List is available at www.MillerWelds.com
6-2. Controls, TIG Aluminum Manual Mode
A complete Parts List is available at www.MillerWelds.com
OM-281426 Page 21
3-2. Controls, TIG Aluminum Manual Mode
Ref. 281252A
1
2
3
4
5
6
1 Auto-Set Button
Press button to turn Auto-Set feature On or
Off. Auto-Set is On when illuminated.
2 Tungsten Size Buttons
Press the Plus (+) or Minus (-) button to ad-
just up or down.
3 Balance Adjustment Buttons
Press the Plus (+) or Minus (-) button to ad-
just up or down. The range is 60-80%. Pro-
Set value is 75% (See tip below).
4 Frequency Adjustment Knob
Frequency range is 60-150 Hz. Pro-Set val-
ue is 120 Hz (See tip below).
5 Amperage Adjustment Knob
6 TIG Arc Start Select Buttons
Press the up and down buttons to select de-
sired TIG arc start. Lift-Arc not available for
TIG aluminum.
TIP: AC Frequency controls the width of the
arc cone. Increasing the AC Frequency pro-
vides a more focused arc and increased di-
rectional control.
Note: Decreasing the AC Frequency softens
the arc and broadens the weld puddle for a
wider weld.
TIP: AC Balance controls the cleaning ac-
tion. If floating black spots appear in the pud-
dle the balance setting is too high. Turn the
balance down until the puddle becomes
clear.
A com
plete Parts List is
avail
able at www
.Mill
erWelds.com
OM-270536 Page 17
3-2. Accessing Control Panel Menu: AC TIG
247222-D
1
150A
2
3
4
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