3. process/contactor switch, 4. operating unit at idle speed – Miller Electric Trailblazer Pro 350 User Manual

Page 26

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OM-4401 Page 22

5-3.

Process/Contactor Switch

1

1

Process/Contactor Switch

Y

Weld output terminals are en-
ergized when Process/Con-
tactor switch is in any Elec-
trode Hot position and the en-
gine is running.

Use switch to select weld process
and weld output on/off control (see
table below and Section 5-5).

Place switch in Remote positions to
turn weld output on and off with a de-
vice connected to the remote 14 re-
ceptacle.

Place switch in Electrode Hot posi-
tions for weld output to be on whenev-
er the engine is running.

Use Stick position for air carbon arc
(CAC-A) cutting and gouging.

203 031-A-A / 802 580-A

Process/Contactor Switch Settings

Switch Setting

Process

Output On/Off Control

Remote – TIG

GTAW With HF Unit, Pulsing Device,

Or Remote Control

At Remote 14 Receptacle

Remote – Stick

Stick (SMAW) With Remote On/Off

At Remote 14 Receptacle

Remote – MIG

MIG (GMAW)

At Remote 14 Receptacle

Electrode Hot – MIG

MIG (GMAW)

Electrode Hot

Electrode Hot – Stick

Stick (SMAW),

Air Carbon Arc (CAC-A) Cutting And Gouging

Electrode Hot

Electrode Hot – Scratch

Start TIG

Scratch Start TIG (GTAW)

Electrode Hot

5-4.

Operating Unit At Idle Speed

1

1

Engine Speed Switch

Use Idle speed when:

D

Starting

D

Stick welding at up to 180 A.

To weld above 180 A, place Engine
Speed switch in Run or Run/Idle
position.

When Stick welding at idle speed, the
front panel Voltage/Amperage control
setting is accurate up to 180 A. Above
180 A, weld output is slightly less than
Voltage/Amperage control setting.

.

Place switch in Run or Run/Idle posi-
tion when using generator power.

.

Place switch in Run position to oper-
ate most GMAW equipment.

203 031-A / 802 580-A

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