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Murex Transarc 250 - Operating the Welding Power Source; Connections and Control Device Identification; Welding Cable Connection Procedure; Overheating Protection Mechanism

Murex Transarc 250
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6 OPERATION
General safety regulations for the handling of the equipment can be found on
page 3. Read through before you start using the equipment!
6.1 Connections and control devices
1 Mains voltage switch 4 Connection for remote control unit
2 Connection (+)
TIG: return cable
MMA: welding cable or return cable
5 Control panel, see title 7.
3 Connection (--)
TIG: torch
MMA: return cable or welding cable
6.2 Connection of welding and return cable
The power source has two outputs, a positive terminal (+) and a negative terminal
(--), for connecting welding and return cables. The output to which the welding cable
is connected depends on the type of electrode used. The connecting polarity is
stated on the electrode packaging.
Connect the return cable to the other output on the power source. Secure the return
cable’s contact clamp to the work piece and ensure that there is good contact
between the work piece and the output for the return cable on the power source.
6.3 Overheating protection
The welding power source has overheating protection that operates if the
temperature becomes too high. When this occurs the welding current is interrupted
and a fault code is displayed on the control panel.
The overheating protection resets automatically when the temperature has fallen.
GB

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