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3.6.
The connection screws on the terminal block must be tight ensuring a solid
connection between the machine cable wires and the main power supply.
3.7.
The correct wiring procedure is explained in the following diagram:
Wiring of single phase AC 380V 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 upright to a wall, cylinder rack or support. Its centre
of gravity can cause the cylinder to topple resulting in injury and material
damage.
2b
3
7
6
4
5
1
2c
2d
2a
