Lincoln Electric ASPECT 300 Operator's Manual page 10

TIG Welding (GTAW)
This machine does not include a TIG torch necessary for
TIG welding, but one may be purchased separately.
Refer to the accessories section for more information.
Connect the torch cable to
the torch terminal of the
machine and the work
clamp to the work piece
terminal. Insert the
connector with the key
lining up with the keyway
and rotate approximately ¼ turn clockwise. Do not over
tighten. Finally, connect the gas hose from the TIG torch
to the gas connector (B) on the front of the machine. If
necessary, an extra gas connector for the fitting on the
front of the machine is included in the package. Next,
connect the fitting on the back of the machine to a gas
regulator on the cylinder of gas to be used. The required
fittings are included in the package. Connect the TIG
torch trigger to the trigger connector (A) on the front of
the machine.
TIG Welding with a Water Cooled Torch
A cooling unit can be applied to the Machine:

COOLARC 46.
If a Coolarc unit listed above is connected to the
Machine, it will be automatically turned ON and OFF in
order to ensure the torch cooling. When Stick welding
mode is used the cooler will be OFF.
This machine does not include a cooled TIG torch, but
one may be purchased separately.
accessories section for more information.
WARNING
The Machine is provided with an electrical connection for
the Coolarc unit on its rear side. This socket is ONLY for
the connection of the Coolarc unit listed above.
WARNING
Before connecting the cooler unit to the Machine and
operate, read and understand the Instruction Manual
supplied with the cooling unit.
WARNING
Connect and disconnect the cooler with the unit switched
OFF.
Remote Control Connection
Refer to the accessories section for a list
of remote controls. If a remote control is
used, it will be connected to the remote
connector on the front of the machine.
The machine will automatically detect the
remote control, turn on the REMOTE LED, and switch to
remote control mode. More information on this mode of
operation will be given in the next section.
English
WIRELESS
Unit
also a remote device
wireless. To accept
this part an auxiliary
supply connector to
supply
device is put on the
front of the unit. This supply connector is protect by a
plastic cover. See accessory section for details on
wireless part number.
Rear Panel
A. Power Switch: It turns
ON / OFF the input
power to the machine.
B. Input cable: Connect it
to the mains.
C. Fan:
or filter the fan inlet.
The "F.A.N." (Fan As
Needed)
automatically
OFF/ON
When the Machine is
turned ON the fan is
turned ON only for the
startup
seconds). The fan will
start
operations and will continue to run whenever the
Machine is welding. If the Machine doesn't weld for
more than 10minutes, it will go in Green Mode.
Green Mode
The Green Mode is a feature that puts the machine
in a stand-by condition:




Refer to the
This reduces the amount of dirt that can be drawn
inside the Machine and the power consumption.
To restore the Machine restart to weld or push the
TIG trigger or push any buttons in the front panel or
turn the encoder knob.
NOTE: If a COOLARC TIG torch cooling unit is
connected to the machine, it will be turned ON/OFF
by the Green Mode feature based also on COOL
option. See Menu SYS section for more details.
Idle Mode
After 30 minutes without welding the machine will
enter a deep low power mode. It will shut down all
indicators: only Power ON Led is blinking.
To restore the Machine push the trigger or push any
buttons in the front panel or turn the encoder.
Exit procedure will take 6-7s: after this time the unit
is ready to weld.
8
can manage
wireless
Do not obstruct
feature
turns
the fan.
time (few
with welding
The output is disabled
The fans are speed down
Only the Power ON LED remains ON.
Display show the dash char
English