Miller Electric R-115 manual Front Panel Controls, Optional Side Panel Controls

SECTION 4 − OPERATION

4-1. Front Panel Controls

1

2

1Wire Speed Control

2Jog/Purge Switch

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

Use Purge position to momentarily energize gas valve to purge air from gun or adjust gas regulator.

3 Trigger Hold Switch

Push up to weld without holding gun trigger throughout the weld cycle.

To start weld cycle, press and release gun trigger within three seconds after an arc has been struck. To end weld, press and release gun trigger.

Power switch is on rear panel (see Section 3-5)

3

192 510-B

4-2. Optional Side Panel Controls

1

2

3

1Optional Run-In Speed Control

The Run-In Speed Control provides a means of selecting the rate at which welding wire will feed after preflow and before arc initiation. After arc initiation, the wire feed speed is governed by the Wire Speed Control. Rotating the Run-In Speed Control clockwise will increase run-in wire feed speed.

Close side door.

2Reed Relay Switch

3Weld Cable

Weld cable must be routed through reed relay switch present on units with Run-In Speed Control option.

Ref. 802 310-A / Ref. 802 309-B

OM-193 471 Page 20