Miller Electric Big 40 CX - Manual (Page 36)

OM-4427 Page 32
7-3. Process/Contactor Switch On CC/CV Models
1 Process/Contactor Switch
Y Weld output terminals are ener-
gized when Process/Contactor
switch is in an Weld Terminals
Always On position and the en-
gine is running.
Y DC voltage is still present at the
weld terminals when Process/
Contactor switch is in the Re-
mote On/Off Switch Required −
Stick position and the engine is
running.
Use switch to select weld process and
weld output on/off control (see table be-
low and Section 7-4).
Place switch in Remote On/Off Switch
Required positions to turn weld output
on and off with a device connected to
the remote 14 receptacle.
Place switch in Weld Terminals Always
On positions for weld output to be on
whenever the engine is running.
Use Stick position for air carbon arc
(CAC-A) cutting and gouging.
When switch is in a Stick position, the
arc drive (dig) circuit provides addition-
al amperage during low voltage (short
arc length conditions) to prevent “stick-
ing” electrodes.
The arc drive (dig) circuit is disabled
when switch is in MIG or TIG positions.
.
Place switch in Weld Terminals Al-
ways On - Stick position when us-
ing optional three-phase generator
(see Section 8-2).
.
The engine auto idle option does
not work in the Remote On/Off
Switch Required-TIG mode.
1
Process/Contactor Switch Settings
Switch Setting Process Output On/Off Control Engine Auto Idle (Optional) Switch Setting Process Output On/Off Control Engine Auto Idle (Optional)
Remote On/Off Switch Re-
quired − TIG, HF Required
Or Scratch Start TIG
GTAW With HF Unit, Pulsing
Device, Or Remote Control
At Remote 14 Receptacle Not Active
Remote On/Off Switch
Required − Stick
Stick (SMAW) With Remote On/Off At Remote 14 Receptacle Active
Remote On/Off Switch
Required − CV Feeder
Using Remote
MIG (GMAW) At Remote 14 Receptacle Active
Weld Terminals Always On −
Wire
MIG (GMAW) Electrode Hot Active
Weld Terminals Always On −
Stick
Stick (SMAW),
Air Carbon Arc (CAC-A) Cutting
And Gouging
Electrode Hot Active
Weld Terminals Always On −
TIG, Scratch Start
TIG Scratch Start (GTAW) Electrode Hot Active