Murex Tradestig AC 220, Instruction Manual And Spare Parts List

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11 MMA WELDING
11.1 Settings -- Tradestig AC 220a
Function Setting range In steps of: Default value
Current 16 -- max. A
2)
1 A 100 A
Hotstart
1)
0 -- 99 1 0
Arc force
1)
0 -- 99 1 5
Drop welding
1)
0=OFF or 1=ON -- OFF
Weld regulator ArcPlus
t
1)
1=OFF or 0=ON -- ON
Active panel OFF or ON -- ON
Remote control unit OFF or ON -- OFF
1)
These functions are hidden functions, see description point 11.3.
2)
The setting range is dependent on the power source used.
11.2 Symbol and Function explanations
VRD (Voltage Reduction Device)
The VRD function ensures that the open--circuit voltage does not exceed 35 V when
welding is not being carried out. This is indicated by a lit VRD LED. The VRD
function is deactivated when the system senses that welding has started.
If the VRD function is activated and open--circuit voltage exceeds the 35 V limit, this
is indicated by an error message (16) appearing in the display and welding cannot
be started whilst the error message is displayed.
NOTE! The VRD function is not active (LED has gone out) on delivery. Contact an
authorised Murex service technician to activate the function.
MMA welding
MMA welding may also be referred to as welding with coated electrodes. Striking the
arc melts the electrode, and its coating forms protective slag.
During MMA welding, it is possible to weld with reversed polarity.
Select MMA welding
and then press
.
Active panel
Settings are made from the control panel.
Remote control unit
Settings are made from the remote control unit.