- 3 -
Welding mode selection
Tables of preinstalled programs
Electrical diagram
Accessories
Spare parts
Introduction
Thank you for purchasing one of our pro-ducts. Before using the equipment you should carefully read the instruc-
tions included in this manual. In order to get the best performance from the system and ensure that its parts last
as long as possible, you must strictly follow the usage instructions and the maintenance regulations included in
this manual. In the interest of customers, you are recommended to have maintenance and, where necessary,
repairs carried out by the workshops of our service organization, since they have suitable equipment and specially
trained personnel available. All our machinery and systems are subject to continual development. We must there-
fore reserve the right to modify their construction and properties.
Description
New Masterweld inverter MIG welding machines MW2050 / 2070 / 3050 MIG are designed as small and light high
performance digital three-phase inverters. New generation digital controls ensure not only optimal setting of the
welding characteristics, but its dynamic adaptation during the welding process as well. This way a substantially
higher quality weld joint and simplification of welding process are achieved. Significant benefits are new functions,
which help to keep the welding arc in an optimal working area. Due to this arc control technology excellent results
may be achieved even by less experienced welders.
Digital and progressive hardware design enabled significant reduction in weight, dimensions and subsequently also
in price of the new inverters.
The performance part itself is overdesigned to ensure reliability, high performance
and high load capacity.
WARNING:
If machines work in a dusty environment, they need to be equipped with a dust filter. Filter prevents
the machine from being contaminated with impurities, thus extending the interval of cleaning its internal parts. At
the same time, it enhances reliability of the machine which highly depends on the level of contamination.
Warranty cannot be accepted if the machine is damaged by excessive dustiness while the filter is not properly
mounted.
Technical data
The general technical data of the machines are summarised in table 1.
