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INSTALLATION INSTRUCTION
The machine is equipped with power voltage compensation equipment. When power voltage fluctuates between±15% of
rated voltage, it still can work normally.
When use long cable, in order to prevent voltage form going down, bigger section cable is suggested. If cable is too long,
it may affect the performance of the power system. So we suggest you to use configured length.
1. Make sure intake of the machine not blocked or covered, lest cooling system could not work.
2. Make good connection of shielded gas source. Gas supply passage includes cylinder, argon decompress flow
meter and pipe. Connecting part of pipe should used hoop or other things to fasten, lest argon leaks out and
air gets in.
3. Use inducting cable whose section is not less than 6 mm² to connect the housing to the ground. The way is
from the ground-connecting screw at the back to the earth device.
4. Correctly connect the arc torch or holder according to the sketch. When use MMA welding: Make sure the cable, holder
and fastening plug have been connected with the ground. Put the fastening plug into the fastening socket at the “-” terminal
and fasten it clockwise. When use pulse arc welding: Put the gas-electricity plug of the welding gun to the joint at the front
panel, and fasten clockwise. Put the air switch on the gun to the relevant joint at the front panel, and fasten the screw.
5. Put the fastening plug of the cable to fastening socket of “+”
polarity at the front panel, fasten it clockwise, and the earth
clamp at the other terminal clamps the work piece.
6. According to input voltage grade, connect power
cable with power supply box of relevant voltage
grade. Make sure so mistake and make sure the
voltage difference among permission range. After the
above job, installation is finished and welding is
available.
WARNING！
Before connecting operation please make sure all the power is turned off. The right order is
to connect the welding cable and ground cable to the machine first, and make sure they are
firmly connected and then put the power plug to the power source.
Earth Clamp
TIG Torch
Electrode Holder
Workpiece
Power Supply
(single phase~220V)
Installation Instruction of WS 200
Gas
Cylinder
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