4.6 ELECTRICAL CONNECTION
Before performing the electrical connection, check the following values written on the
machine label located on the column
:
- line voltage;
- line frequency;
- line maximum current.
Moreover check:
- a grounding system is present and efficient;
- short circuit and overabsorption protection devices are present.
Check that the breaking capacity of the circuit breaker is compatible with the short circuit intensity
at circuit breaker terminals.
During machine connection to the power grid, the system has to be cut off from the power
supply, in compliance with the technical code of practice and the norms in force in the
Country of use.
The machine should be connected to the power
supply by means of an industrial plug. Electric
supply must be provided in conformity with the
relevant legislation in the country of use. Supply
tension should be the same as specified in the
nameplate specifications.
Electrical connection cables must be
protected and so located as not to hamper
operators.
After all preliminary controls have been carried out and the electrical connection has been correctly
performed, the machine can be connected to the power supply. Then, check that all machine parts
and devices work correctly.
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