Intended use
Applications
099-002044-EW501
14.10.2022
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3
Intended use
WARNING
Hazards due to improper usage!
The machine has been constructed to the state of the art and any regulations and stand-
ards applicable for use in industry and trade. It may only be used for the welding proce-
dures indicated at the rating plate. Hazards may arise for persons, animals and material
objects if the equipment is not used correctly. No liability is accepted for any damages
arising from improper usage!
• The equipment must only be used in line with its designated purpose and by trained or
expert personnel!
• Do not improperly modify or convert the equipment!
3.1
Applications
Arc welding system for MMA DC welding with pole reversing switch for quick polarity switching and, as
secondary process, TIG DC welding with lift arc (contact ignition).
3.2
Overview of device types
3.2.1
Cellulose electrode types (cel)
CEL device types are equipped with special Arcforce characteristics.
These device types facilitate welding with cellulose electrode types which is safe for vertical-down
welding, especially in the lower output range.
3.2.2
Pole reversing switch (pws)
With PWS device types, the polarity of the welding current connections (pole reversal) can be changed
using a changeover switch on the machine or on the remote control.
Usef ul function with frequently changing electrode types without time-consuming reconnection of the
welding current connections (also directly at the operating point, in combination with a PWS remote con-
trol).
3.2.3
Voltage reducing device
Only machine variants with the (VRD/SVRD/AUS/RU) code are equipped with a voltage reduction device
(VRD). The VRD is used for increased safety, especially in hazardous environments such as shipbuilding,
pipe construction or mining.
A VRD is mandatory in some countries and required by many on-site safety instructions for power
sources.
The VRD
> see 4.2 chapter
signal light is illuminated when the voltage reduction device is operating wit-
hout f ault and the output voltage is reduced to a value specified in the relevant standard (see technical
data
> see 8 chapter
).
