Selco GENESIS 145, Руководство по ремонту

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4.2) ELECTROMAGNETIC COMPATIBILITY (EMC)
CAUTION
This device is built in compliance with the indications contained in
the harmonized standard EN60974-10, to which the operator must
refer for the use of this apparatus.
- lnstall and use the apparatus keeping to the instructions given in
this manual.
- This device must be used for professional applications only, in
industrial environments It is important to remember that it may
be difficult to ensure the electromagnetic compatibility in other
environments.
4.2.1 Installation, use and area examination
- The user must be an expert in the sector and as such is respon-
sible for installation and use of the equipment according to the
manufacturer’s instructions.
lf any electromagnetic disturbance is noticed, the user must soave
the problem, if necessary with the manufacturer’s technical assi-
stance.
- In any case electromagnetic disturbances must be reduced until
they are not a nuisance any longer.
- Before installing this apparatus, the user must evaluate the poten-
tial electromagnetic problems that may arise in the surrounding
area, considering in particular the health conditions of the per-
sons in the vicinity, for example of persons fitted with pacemakers
or hearing aids.
4.2.2 Emission reduction methods
MAINS POWER SUPPLY
- The welding power source must be connected to the supply
mains according to the manufacturer’s instructions.
In case of interference, it may be necessary to take further precau-
tions like the filtering of the mains power supply.
lt is also necessary to consider the possibility to shield the power
supply cable.
WELDING POWER SOURCE MAINTENANCE
The welding power source needs routine maintenance according to
the manufacturer’s instructions.
When the equipment is working, all the access and operating doors
and covers must be closed and fixed.
The welding power source must not be modified in any way.
WELDING AND CUTTING CABLES
The welding cables must be kept as short as possible, positioned
near one another and laid at or approximately at ground level.
EQUIPOTENTIAL CONNECTION
The earth connection of all the metal component in the welding installa-
tion and near it must be taken in consideration.
However, the metal component connected to the workpiece will increa-
se the risk of electric shock for the operator, if he touches said metal
component and the electrode at the same time.
Therefore, the operator must be insulated from all the earthed metal
component. The equipotential connection must be made according to
the national regulations.
EARTHING THE WORKPIECE
When the workpiece is not earthed for electrical safety reasonsor
due to its size and position, the earthing of the workpiece may re-
duce the emission. It is important to remember that the earthing of
the workpiece should neither increase the risk of accidents for the
operators, nor damage other electric equipment.
The earthing must be made according to the national regulations.
SHIELDING
The selective shielding of other cables and equipment present in the
surrounding area may reduce the problems due to interference.
The shielding of the entire welding installation can be taken in con-
sideration for special applications.
4.2.3 RISK ANALYSIS
Risks posed by the machine Solutions adopted to pervent
them
Risk of wrong installation A manual with the instructions
for use has been produced
for this purpose
Electrical risks Application of the EN 60974-1 /
EN 60974-5 Standard
Risks connected with electro-
magnetic disturbances produ-
ced by the welding power sour-
ce and induced on the welding
power source.
Application of the EN 60974-
10 Standard