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Inverter welding machine 120 A
I welding power source where the housing is earthed through its protective earth conductor.
Protective clothing
• Throughout the work process, the welder must be protected against radiation and burns on his
entire body by appropriate clothing and face protection. The following steps should be observed:
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Donn protective clothing before welding.
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Wear welding gloves.
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Use an open window or fan to ensure satisfactory air supply.
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Wear safety glasses/helmet and a mouth guard.
• Wear welding gloves made of a suitable fabric (leather) on both hands. They must be in perfect
condition.
• Suitable leather aprons must be worn to protect clothing from sparks and burns.
Protection against radiation and burns
• A notice should be displayed at the workplace with the wording "Caution! Do not look into the a-
me!" to draw attention to the danger to your eyes. In addition, the workplaces should be screened
o so that individuals in the vicinity are protected and unauthorised individuals are kept away
from the welding work.
EMC equipment classi cation
In accordance with EN IEC 60974-10, this is a welding device with Class A electromagnetic compa-
tibility.
This Class A equipment is not intended for use in residential areas where power is supplied from a
public low-voltage power supply network. In such environments, problems may occur in ensuring
electromagnetic compatibility due to both conducted and radiated interference.
Class A appliances are appliances that are suitable for use in all areas other than residential areas
and those areas that are directly connected to a low-voltage supply network that (also) supplies
residential buildings.
Make sure that there are no other mains, control, signalling or telecommunication cables in the
vicinity of the device. Make sure that there is no one with a pacemaker or hearing aid in the area
close to the device.
Check the safety of other devices in the same environment. In some cases, additional safety mea-
sures may be required.
! NOTE: Class A equipment is intended for use in an industrial environment. Due to the occurrence of
performance-related as well as radiated disturbances, it may be di cult to ensure electromagnetic
compatibility in other environments.
Even if the device meets the emission limits stipulated in the standard, such devices can still cause
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Inverter welding machine 120 A
electromagnetic interference in sensitive systems and devices. The user is responsible for any faults
caused by the arc, and the user must take suitable protective measures.
The user must pay particular attention to the following:
• Other mains cables, control cables, signalling and telecommunication cables above, below and
next to the arc welding equipment;
• Sound and TV broadcast stations and receivers;
• Computers and other control devices;
• Critical safety devices, e.g. protection for commercial facilities;
• The health of people in the vicinity, e.g. those using cardiac pacemakers or hearing aids;
• Facilities for calibrating or measuring;
• The immunity to interference of other equipment in the vicinity. The user must ensure that other
equipment, which is being used in the vicinity, is suitable for them. This may require additional
protective measures;
• The time of day at which welding or other activities are being carried out.
The dimensions of the surrounding area being considered will depend on the type of construction
of the building and the other activities taking place there.
In order to reduce possible interference, the following is recommended:
• Equip the mains connection, e.g. with a mains lter;
• Regular maintenance;
• The welding lines should be completely uncoiled and be as short and close together as possible
and run close to the ground;
• If possible, devices and systems that are subject to interference should be removed from the work
area or shielded.
Welding equipment should be connected to the public power supply in accordance with the manu-
facturer's recommendations. In the event of interference, additional precautions may be necessary,
such as the use of lters. It is recommended that the power supply line is shielded by means of an
electrically connected metal pipe so that good electrical contact between the sheathing and the
housing of the welding power source is achieved.
The arc welding device should be serviced regularly according to the manufacturer's recommenda-
tions. All access and service doors and lids should be closed and well secured when the arc welding
device is in operation. With the exception of the changes and settings speci ed in the manufactu-
rer's instructions, arc welding equipment should not be modi ed in any way. In particular, the spark
gaps of arc ignition and stabilisation devices should be adjusted and maintained according to the
manufacturer's recommendations.
Before commissioning
Remove the machine and accessories from the packaging and check them for damage (e.g. trans-
port damage).
• Attach the carrying strap (1) to the machine.
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