Miller Electric OM-229 038D - Manual (Page 20)

OM-229 038 Page 16
SECTION 4 − OPERATION
4-1. Controls for Migmatic 221/253
1 Power Switch
2 Voltage Control
Turn control clockwise to increase
voltage.
3 High Temperature Shutdown
Light (Orange LED)
4 Digital Display*
Volts/Amps/Wire Feed Speed with
last value hold function. Trigger
mode (2T/4T) is shown at power on
for 3 seconds and when Trigger
mode is changed.
5 Power Indicator Light (White
LED)
6 Wire Feed Speed Control
Turn control clockwise to increase
wire feed speed. This control also
controls optional spool gun if con-
nected.
7 Digital Display Function
Button*
8 MIG Torch Connection
Connection for Euro style MIG gun
or optional spoolmate gun.
9 Spool Gun Connection Jack
Plug Receptacle
Insert jack plug of Spoolmate gun to
enable torch motor.
10 Work Lead Connection
* Optional
1
2
3
4 5
6
7
8
9
10
221−253−2
4-2. Burnback and Spot Weld Timer Controls
1 Burnback Control
Time that welding wire stays ener-
gized after trigger is released.
2 Spot Weld Timer
Time that welding arc is active be-
fore shutting off automatically.
Spot Timer resets after releasing
gun trigger.
221−253−4
1 2