Thermal Protection - Lincoln Electric Square Wave TIG200 Manual Del Operador

SQUARE WAVE® TIG 200
TIG WELDING (GTAW)
The machine has a built in gas solenoid so a TIG Torch with a one-
piece power/gas cable is provided as a ready to weld package
including the torch adapter which is pre-installed.
Connect the torch cable to the (-) terminal of the machine and the
work clamp to (+) terminal - refer to figure A.3 and A.4. Insert the
connector with key lining up with the keyway and rotate approx-
imately 1/4 turn clockwise. Do not over tighten. Also connect the
trigger male connector to the female 6 pin connector on the case
front.
STRIKING ARC OF TIG OPERATION
When arc is initiated - current can rise to the preset welding current.

THERMAL PROTECTION

Thermostats protect the machine from excessive operating
temperatures. Excessive temperatures may be caused by a lack of
cooling air or operating the machine beyond the duty cycle and output
rating. If excessive operating temperature should occur, the
thermostats will prevent output voltage or current.
THERMAL BREAKER
If the current conducted through the breaker exceeds breaker
rating for an extended period of time, the
breaker will open and require manual reset.
(See Figure A.4)
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Gas Regulator
Torch connects to –
Remote Foot
Pedal
A-6
Figure A.4
230V or 120V
Power Cord -
twist clockwise
to connect
Figure A.3
On/Off switch
Work connects to +
INSTALLATION
Gas hose