Controls For 230 Vac Model W/Auto-Set - Miller Millermatic 140 Auto-Set Owner's Manual

5-2. Controls For 230 VAC Model w/Auto-Set

1 Wire Speed Control
Turn control clockwise inside white scale
(10-100) to increase wire feed speed. (see
weld parameter chart in welding power
source or Section 5-4).
2 Voltage Control
Turn control clockwise inside white scale
(1-10) to increase voltage (see weld
parameter chart in welding power source
or Section 5-4).
3 Power Switch
.
A complete Parts List is available on-line at www.MillerWelds.com
4 Over Temperature Light
If unit overheats, light flashes and output
stops. Allow unit to cool before resuming
operation.
5 Gun Trigger Receptacle
6 Auto−Set Light
To use Auto−Set mode, rotate Wire Speed
control inside blue/green area for the
applicable Weld Wire Diameter, Auto−Set
light will turn on, and the unit will provide the
appropriate wire feed speed for the
4
5
material thickness selected using the
Voltage control (see Section 5-4).
Rotate Voltage control inside blue/green
scale (24 ga to 5/16 in.) for the applicable
material thickness and the unit will provide
the appropriate voltage within the range of the
selected material thickness and the selected
Weld Wire Diameter (see Section 5-4).
.
Blue shaded areas are for .030 wire
applications. Green shaded areas are
for .024 wire applications.
1
6
2
3
Ref. 233 619-D
OM-225 311 Page 25