Timers - Miller Millermatic 252 Owner's Manual

6-4. Timers

1 Voltage Control
2 Wire Speed Control
3 Voltmeter
4 Wire Feed Speed Meter
To enter the TIMERS menu press and hold
the gun trigger while turning on the power
switch until the left meter displays (run),
then release trigger.
Once in the TIMERS menu, rotate the left
knob clockwise (CW) to find the particular
item, and rotate the right knob to change
the setting.
The following items can be adjusted by
rotating the left knob clockwise (CW):
.
A complete Parts List is available at www.MillerWelds.com
3
1
Run-in speed (run) − The speed of the wire
prior to the welding arc being struck. The
range is from 25 to 150% of wire feed
speed(WFS).
Preflow (PrE) − The amount of time that
the shielding gas will flow after the trigger
is depressed and before the welding arc
will be allowed to be active. The range is
from 0.0 to 5.0 seconds.
Postflow (POS) − The amount of time that
the shielding gas will flow after the arc has
been shut off. The range is from 0.0 to 10.0
seconds.
Burnback (Bur) − The amount of time that
the welding wire remains electrically ener-
gized after the wire feeding has stopped.
The range is from 0.01 to 0.25 seconds.
4
2
Spot Timer (SPO) − The amount of time
that the arc will be active before it shuts off
automatically. The range is from 0 to 120
seconds. Spot timer is reset upon release
of welding gun trigger.
"Stitch"
conjunction with the Spot timer and while
the trigger is continuously depressed.
Controls the amount of time that the arc will
be inactive after the Spot timer times out.
The range is from 0 to 120 seconds.
To save settings and exit the TIMERS
menu, depress the gun trigger.
(dLY) − Used in
Timer
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