VI Contents
SAFETY RECOMMENDATIONS AND INSTRUCTIONS
This unit has been designed and tested in Italy, according to IEC 348 standard and has left the
manufacturer’s premises in a state fully complying with the safety standards ; in order to maintain the
unit in a safe state and to ensure safe operation, the following instructions must be reviewed and fully
understood before operation.
• When the unit is to be permanently cabled, first connect an uninterruptible protective earth ground
conductor before making any other connections.
• If the unit is to be connected to other equipment or accessories, prior to energizing either unit verify
that a common ground exists between them.
• For permanently cabled unit without built-in fuses, automatic circuit breakers or similar protective
facilities, the power supply line shall be provided with fuses or protections rated to the unit.
• Verify that the unit is set to match the available mains voltage and correct fuse rating is installed
before applying power.
• The Safety Class I units provided with disconnectible AC supply cable and plug may only be
operated from a power socket with protective earth ground connection.
• Any interruption or loosening of the protective earth ground conductor, either inside or outside the
unit or in an extension cable will cause a potential shock hazard that could result in personal injury.
• The protective earth ground conductor shall not be interrupted intentionally.
• To avoid electrical shock do not remove protections or covers of the unit , refer to qualified NARDA
Servicing Center for maintenance of the unit.
• To maintain adequate protection against fire hazard, replace fuses only with others of the same type
and rating;
• Observe safety regulations and rules and also the additional safety instructions specified in this
manual for prevention of accidents.
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