Hitachi J300U Series instruction manual Precautions

PRECAUTIONS

WARNING: This equipment should be installed, adjusted and serviced by qualified electrical maintenance personal familiar with the construction and operation of the equipment

and the hazards involved. Failure to observe this precaution could result in bodily injury.

WARNING : The user is responsible for ensuring that all driven machinery, drive train mechanism not supplied by Hitachi, Ltd., and process line material are capable of safe operation at an applied frequency of 150% of the maximum selected frequency range to the AC motor. Failure to do so can result in destruction of equipment and injury to personnel should a single point failure occur.

WARNING : For protection, install a leak breaker type with a high frequency circuit capable of large currents to avoid an unnecessary operation. The ground fault protection circuit is not designed to protect personal injury.

WARNING : HAZARD OF ELECTRICAL SHOCK. DISCONNECT INCOMING POWER BEFORE WORKING ON THIS CONTROL.

AVERTISSEMENT : RISQUE DE CHOC ELECTRIQUE COUPER L'ALIMENTATION AVANT LE DEPANNAGE DE CETTE COMMANDE.

CAUTION: These instructions should be read and clearly understood before working on J300 series equipment.

CAUTION: Proper grounds, disconnecting devices and other safety devices and their location are the responsibility of the user and are not provided by Hitachi, Ltd.

CAUTION: Be sure to connect a motor thermal switch or overload device to the J300 series controller to assure that the inverter will shut down in the event of an overload or an overheated motor.

CAUTION: DANGEROUS VOLTAGE EXISTS UNTIL CHARGE LIGHT IS OFF.

ATTENTION: PRESENCE DE TENSIONS DANGEREUSES TANT QUE LE VOYANT N'EST PAS ETEINT.

CAUTION: Rotating shafts and above ground electrical potentials can be hazardous. There- fore, it is strongly recommended that all electrical work conform to the National Electrical Codes and local regulations. Installation, alignment and maintenance should be performed only by qualified personnel. Factory recommended test procedures, included in the instruction manual, should be followed. Always disconnect electrical power before working on the unit.

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