voestalpine Bohler Welding URANOS NX 2700 TLH Mode D'emploi page 13

2.4 Installation
2.4.1 Connection for MMA welding
The connection shown in the figure produces reverse polarity welding.
To obtain straight polarity welding, reserve the connection.
Connect the earth clamp to the negative socket (-) of the power source. Insert the plug and turn clockwise until all parts are
secured.
Connect the electrode holder to the positive socket (+) of the power source. Insert the plug and turn clockwise until all parts are
secured.
2.4.2 Connection for TIG welding
Connect the earth clamp to the positive socket (+) of the power source. Insert the plug and turn clockwise until all parts are
secured.
Connect the TIG torch coupling to the torch socket of the power source. Insert the plug and turn clockwise until all parts are
secured.
Connect the signal cable of the torch to the appropriate connector.
Connect the gas hose of the torch to the appropriate union/connection.
Connect the water pipe (red coloured) of the torch to the inlet quick connector (red coloured - symbol
Connect the water pipe (blue coloured) of the torch to the outlet quick connector (blue coloured - symbol
unit.
Earth clamp connector
1
Negative power socket (-)
2
Electrode holder clamp connector
3
Positive power socket (+)
4
Earth clamp connector
1
Positive power socket (+)
2
3
Torch socket
4
Torch signal cable
5
Connector
6
Torch gas tube
7
Gas union-connection
8
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INSTALLATION
EN
) of the cooling unit.
) of the cooling