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Wiring of three phase AC, 50/60Hz welding machine
No.
Item
No.
Item
1
Power cord
3
Terminal block
2a
Live wire L1
4
Overcurrent protection device
2b
Live wire L2
5
GND
2c
Live wire L3
6
Earth wire terminal block
2d
Earth wire
7
Electric control box
4. Gas-cylinder Connection
Explosion hazard
Prevent gas
inhalation
Wear goggles
Warning: The following safety instructions are important when connecting a
gas cylinder to the welding machine.
4.1. The cylinder must be fixed to a wall, cylinder rack or support. Its centre of
gravity can cause the cylinder to topple resulting in injury and material damage.
4.2. The cylinder must be placed out of reach of the operator's welding station and
not in contact with the work table or the welding machine.
4.3. Connect the gas hose firmly from the flowmeter outlet to the gas inlet situated at
2b
3
7
6
4
4
5
1
2c
2d
2a
