Lincoln Electric IM732-B manual Lower Case Front, TIG Solenoid Option

	OPERATION			B-3
B-3
• The Arc Control regulates the Arc Force to adjust		CV-INNERSHIELD:The CV-INNERSHIELD mode
the short circuit current. The minimum setting (-10)		features continuous control from 10 to 45 volts. This
will produce a "soft" arc and will produce minimal		mode was designed for self-shielded flux cored wires
spatter. The maximum setting (+10) will produce a		that require tight voltage control.
"crisp" arc and will minimize electrode sticking.		• The Hot Start control is not used in the CV-FLUX
TIG GTAW: The TIG mode features continuous con-
		CORED mode.
trol from 5 to 425 amps. The TIG mode can be run in		• The Arc Control regulates pinch effect. At the mini-
either the TIG touch start or high frequency assisted		mum setting (-10), minimizes pinch and results in a
start mode.		soft arc. At the maximum setting (+10), maximizes
		pinch effect and results in a crisp arc. Most self-
• The Hot Start control selects the starting mode		shielded wires work well at an Arc Control setting of 5.
desired. A setting of less than 5, the TIG lift start		8. HOT START and ARC CONTROL features have
mode is selected. The OCV is controlled below 10v
and the short circuit "TIG touch" current is main-		different functions depending on the welding Mode
tained at 25 amps independent of the preset current.		that is active. Each feature is described under the
When the tungsten is lifted, an arc is initiated and the		welding mode heading.		(See Item 6 for specified
output is regulated at the preset value. Hot start set-		Mode Operation)
tings between 0 and 5 regulate the arc initiation cur-		LOWER CASE FRONT
rent. A setting of 5 results in the most positive arc ini-
tiation. A setting of 0 reduces hot start.		The output studs, line switch and remote connector
• Hot Start settings between 5 and 10, select high fre-		are located on the lower case front.
quency assisted starting TIG mode. In this range, the		9. Both STUDS contain "Twist-Mate" connector
OCV of the machine is controlled between 50 and 70
volts. If using the Lincoln K930-1 TIG Module, set			inserts.
the Hot start to 10 for maximum OCV.		• The Negative stud is configured to accept the
• The Arc Control is not used in the TIG mode.		10.	pass through gas system.
TIG SOLENOID OPTION			The ON-OFF switch is a 3-phase circuit breaker
		11.	rated at 100 amps per leg.
The Solenoid only operates when th V350 is in the			The METER POLARITY switch is located above
			the output connectors. The switch provides a work
TIG mode. If the Weld Terminals are in “Remote” then			connection for wire feeder voltmeters. Place the
the solenoid will open when the arc start switch is			switch in the position of the electrode polarity indi-
closed. The solenoid will close after the arc switch has			cated by the decal. The switch does not change
been opened and the post flow time expired.		12.	the welding polarity.
			6-PIN MS-style connector for remote control.

If the Weld Terminals are turned “ON”, then the sole-	REMOTE CONTROL of the OUTPUT CON-
noid will open when the electrode is touch to the work.
The electrode needs to remain in contact with the	TROL and WELD TERMINALS
work to allow for gas coverage before attempting to
	The Invertec® V350-PRO (CE) has auto sensing of
start the arc. The solenoid will close after the arc has
	remote output controls.If after connecting or removing
been broken and the post flow time expired.
	a remote, the Invertec® V350-PRO (CE) did not con-
CV-WIRE:The CV-WIRE mode features continuous	figured the way you would like the local or remote
	control settings can be changed by pushing the OUT-
control from 10 to 45 volts. The mode was intended

for most GMAW, FCAW, and MCAW applications.	PUT CONTROL or WELD TERMINAL button. (A user
	cannot select between the 6 and 14-pin MS-style con-
• The Hot Start control is not used in the CV-WIRE	nector.)
mode.	CV modes
• The Arc Control regulates pinch effect. At the mini-
	• The remote will default to the 14-pin MS-style con-
mum setting (-10), minimizes pinch and results in a
	nector remote if a remote is connected. If no remote
soft arc. Low pinch settings are preferable for weld-
	is connected to the 14-pin MS-style connector then
ing with gas mixes containing mostly inert gases. At
	the remote will default to the 6-pin MS-style connec-
the maximum setting (+10), maximizes pinch effect
	tor if a remote is connected to it.
and results in a crisp arc. High pinch settings are
	• In all of the CV modes, the WELD TERMINAL con-
preferable for welding FCAW and GMAW with CO2.
	trol will default to REMOTE.
INVERTEC® V350-PRO (CE)