Prepare the machine for welding
16
DTX-2200-3000 AC/DC
12
Prepare the machine for welding
12.1 Connection to the electrical supply
Connection of the machine to the user line (electrical current) must be performed by qualified personnel.
Before connecting the welding machine to the mains power supply, make sure that rated voltage
and frequency correspond to those provided by the mains power supply and that the welding
machine’s power switch is turned to “O”.
DTX-2200 AC/DC (Single-phase power supply)
Use the welder’s own plug to connect it up to the main power supply. Proceed as follows if you have to replace
the plug:
• 2 conducting wires are needed for connecting the machine to the supply.
• The third, which is YELLOW GREEN in colour is used for making the “GROUND” connection.
DTX-3000 AC/DC (3-phase power supply)
The four-pole cable supplied with the system must be used for the connection to the mains power supply. This
cable is made up of:
• Three conductors that are used to connect the machine to the power supply.
• The fourth, which is YELLOW-GREEN, is used to form the “GROUND” connection.
Connect a suitable load of normalized plug (3p+t) to the power cable and provide for an electrical socket
complete with fuses or an automatic switch. The ground terminal must be connected to the ground conducting
wire (YELLOW-GREEN) of the supply.
Table 2 shows the capacity values that are recommended for fuses in the line with delays.
NOTE: Any extensions to the power cable must be of a suitable diameter, and absolutely not of a smaller
diameter than the special cable supplied with the machine.
Table 2
Model
DTX-2200 AC/DC DTX-3000 AC/DC
WIG
MMA
WIG
MMA
Input power @ I
2
Max kVA
6,5 7,0 9,6
Delayed fuse (I
2
@ 100%) A
16 10
Duty cycle @ X% (40°C) A
220
(30%)
180
(30%)
300
(35%)
250
(40%)
Mains cable
Length m
Section mm
2
3,5
2,5
4
2,5
Ground cable
Section mm
2
25 35
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