Section 5 − Operation; Controls For 115 Vac Model W/Auto-Set - Miller Millermatic 140 Auto-Set Owner's Manual

5-1. Controls For 115 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 5-3).
2 Voltage Control
Turn control clockwise inside white scale
(1-10) to increase voltage (see weld
parameter chart in welding power source
or Section 5-3).
OM-225 311 Page 24
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A complete Parts List is available on-line at www.MillerWelds.com
SECTION 5 − OPERATION
3 Power Switch
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 area for the applicable
4
5
Weld Wire Diameter, Auto−Set light will
turn on, and the unit will provide the
appropriate wire feed speed for the
material thickness selected using the
Voltage control (see Section 5-3).
Rotate Voltage control inside blue scale (24
ga to 1/8 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 5-3).
1
6
2
3
227 748-G