Miller Electric UWF-SC12RC manual Operation, Controls

SECTION 4 − OPERATION

4-1. Controls

2

3	OFF	1
	ON

PURGE POWER

4

5

67

VOLTAGE WIRE SPEED

Front Panel

8

JOG

Internal Control Panel

1Power Control Switch

2Trigger Hold Switch (Optional)

Depress the upper part of the switch (turns trigger hold On) to weld without holding gun trigger throughout the weld cycle.

To start weld, press and release gun trigger. To end weld, press and re- lease gun trigger.

Depress the lower part of the trigger hold switch to turn trigger hold Off.

3 Purge Switch

Press switch to momentarily energize gas solenoid and purge air from gun, and to adjust shielding gas regulator.

4Meter Display (Optional)

5Volts, Wire Feed Speed Or Amps Select Switch (Optional)

.Meter is factory set to display voltage and wirefeed speed. To display voltage and amps refer to Section 4-2for DIP switch set- tings.

6Voltage Control

7Wire Speed Control

Use control to adjust wire speed with- in range selected by switch.

8 Jog Switch

Use Jog position to momentarily feed welding wire at speed set on Wire Speed control without energizing welding circuit or shielding gas valve.

Close and latch door.

Internal Side View

804 213-A

OM-215 092 Page 12