Lincoln Electric IM993 VANTAGE 300 - Manual (Page 14)

ELECTRICAL CONNECTIONS
MACHINE GROUNDING
Because this portable engine driven welder creates its
own power, it is not necessary to connect its frame to
an earth ground, unless the machine is connected to
premises wiring (home, shop, etc.)
To prevent dangerous electric shock, other equipment
to which this engine driven welder supplies power
must:
• Be grounded to the frame of the welder using a
grounded type plug.
• Be double insulated.
• Do not ground the machine to a pipe that carries
explosive or combustible material.
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When this welder is mounted on a truck or trailer, its
frame must be electrically bonded to the metal frame
of the vehicle. Use a #8 or larger copper wire connect-
ed between the machine grounding stud and the
frame of the vehicle. When this engine driven welder
is connected to premises wiring such as that in a
home or shop, its frame must be connected to the sys-
tem earth ground. See further connection instructions
in the section entitled "Standby Power Connections"
as well as the article on grounding in the latest
National Electrical Code and the local code.
In general, if the machine is to be grounded, it should
be connected with a #8 or larger copper wire to a solid
earth ground such as a metal water pipe going into the
ground for at least ten feet and having no insulated
joints, or to the metal framework of a building which
has been effectively grounded.
The National Electrical Code lists a number of alter-
nate means of grounding electrical equipment. A
machine grounding stud marked with the symbol is
provided on the front of the welder.
WELDING TERMINALS
The VANTAGE ® 300 is equipped with a toggle switch
for selecting "hot" welding terminal when in the "WELD
TERMINALS ON" position or "cold" welding terminal
when in the "REMOTELY CONTROLLED" position.
A-6 INSTALLATION
VANTAGE ® 300
A-6
REMOTE CONTROL
The VANTAGE ® 300 is equipped with a 6-pin and a
14-pin connector. When in the Arc Gouging or CV-
WIRE modes and when a remote control is connected
to the 6-pin Connector, the auto-sensing circuit auto-
matically switches the OUTPUT control from control at
the welder to remote control.
When in TOUCH START TIG mode and when a
Amptrol is connected to the 6-Pin Connector, the
OUTPUT dial is used to set the maximum current
range of the CURRENT CONTROL of the Amptrol.
When in the CC-STICK or DOWNHILL PIPE mode and when
a remote control is connected to the 6-Pin or 14-Pin connector,
the output control is used to set the maximum current range of
the remote.
EXAMPLE: When the OUTPUT CONTROL on the welder is set
to 200 amps the current range on the remote control will be
Min.-200 amps, rather than the full Min.-Max. amps. Any current
range that is less than the full range provides finer current reso-
lution for more fine tuning of the output.
The 14-pin connector is used to directly connect a
wire feeder control cable. In the CV-WIRE mode, if the
feeder being used has a voltage control when the wire feeder
control cable is connected to the 14-Pin Connector, the auto-
sensing circuit automatically makes OUTPUT CONTROL inac-
tive and the wire feeder voltage control active. Otherwise, the
OUTPUT CONTROL is used to preset the voltage.
NOTE: When a wire feeder with a built in welding
voltage control is connected to the 14-pin connec-
tor, do not connect anything to the 6-pin connec-
tor.
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WARNING
WARNING