(a)
(b)
3. OPERATION
Welding in places presenting an immediate re or explosion hazard is forbidden!
Welding fumes may cause injury, take care of sufcient ventilation during welding!
3.1. WELDING PROCESSES
3.1.1 MMA welding
MMA welding, as well as carbon arc gouging, is possible with all Master MLS and Mastertig
MLS power sources with all MLS panel versions when switched to MMA process.
3.1.2 TIG welding
Mastertig MLS power sources are designed especially for TIG welding. They are equipped with
HF spark ignition and versatile panel functions depending on the panel used. The panels predo-
minantly for TIG welding are MTL, MTX, MTZ and MTM. Also the MEL and MEX panel on
Master MLS power source can be used for TIG welding with contact ignition.
3.1.3 Synergetic Pulsed TIG welding (a)
MTX, MTZ and MTM panels include the synergetic pulsed TIG pro-
cess, in which you only need to adjust the welding current while other
pulse parameters are programmed. Pulsing frequency is high, which
guarantees concentrated arc and increased welding speed.
3.1.4 Long Pulsed TIG welding (b)
This method gives you the possibility to adjust all pulse parameters.
Weld pool control is also easier. Long pulsed TIG welding is included
in MTX, MTZ and MTM panels.
3.2. OPERATION FUNCTIONS
3.2.1. Power source
Always switch the machine on and off from main switch. Do not use the mains plug
for switching!
Never watch the arc without a proper face shield designed for arc welding! Protect
yourself and the surroundings against welding arc and hot spatters!
3.2.2. Function panels
Before welding starts, welding settings suitable for the work piece are chosen with the function
panel. See 3.1. Welding processes.
The Kemppi Multi Logic System, MLS, allows you to select from different function panels
according to your welding application. MEL and MEX panels are designed for MMA welding.
MTL, MTX, MTZ and MTM panels are for TIG welding with basic functions, or with pulsed
TIG, 4T-LOG, or MINILOG control of welding current, or with memory channels. See also 3.1.
Welding processes.
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