voestalpine Bohler TERRA NX 400 SMC SteelDrive Bedienungsanleitung Seite 13

In order to protect users, the equipment must be correctly earthed. The power supply voltage is provided with an
earth lead (yellow - green), which must be connected to a plug provided with earth contact. This yellow/green wire
shall NEVER be used with other voltage conductors. Verify the existence of the earthing in the equipment used and
the good condition of the sockets. Install only certified plugs according to the safety regulations.
The electrical connections must be made by skilled technicians with the specific professional and technical
qualifications and in compliance with the regulations in force in the country where the equipment is installed.
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 deseaming ARC-AIR
Connect the earth clamp to the negative socket (-) of the power source.
Connect the ARC AIR holder cable connector to the positive socket (+) of the power source.
Connect separately the connector on the air pipe to the air supply.
Earth clamp connector
1
Negative power socket (-)
2
Electrode holder clamp connector
3
Positive power socket (+)
4
Negative power socket (-)
1
Earth clamp connector
2
ARC-AIR holder connector
3
Positive power socket (+)
4
Compressed air connector
5
13
INSTALLATION
EN