Fuji Electric FRENIC-MEGA, Instruction Manual

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Preface
This product is designed to drive a three-phase induction motor. Read through this manual to become familiar with proper handling
and correct use.
Improper handling might result in incorrect operation, shorter life cycle, or failure of this product as well as the motor.
Have this manual delivered to the end user of this product. Keep this manual in a safe place until this product is discarded.
Listed below are the other materials related to the use of the FRENIC-MEGA. Read them in conjunction with this manual as
necessary.
• FRENIC-MEGA User's Manual
• RS-485 Communication User's Manual
These materials are subject to change without notice. Be sure to obtain the latest editions for use.
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Safety precautions
Read this manual thoroughly before proceeding with installation, connections (wiring), operation, or maintenance and inspection.
Ensure you have sound knowledge of the device and familiarize yourself with all safety information and precautions before
proceeding to operate the inverter.
Safety precautions are classified into the following two categories in this manual.
Failure to heed the information indicated by this symbol may lead to dangerous conditions,
possibly resulting in death or serious bodily injuries.
Failure to heed the information indicated by this symbol may lead to dangerous conditions,
possibly resulting in minor or light bodily injuries and/or substantial property damage.
Failure to heed the information contained under the CAUTION title can also result in serious consequences. These safety
precautions are of utmost importance and must be observed at all times.
Application
• The FRENIC-MEGA is designed to drive a three-phase induction motor. Do not use it for single-phase motors or for other
purposes.
Fire or an accident could occur.
• The FRENIC-MEGA may not be used for a life-support system or other purposes directly related to the human safety.
• Though the FRENIC-MEGA is manufactured under strict quality control, install safety devices for applications where
serious accidents or property damages are foreseen in relation to the failure of it.
An accident could occur.
Installation
• Install the inverter on a base made of metal or other non-flammable material.
Otherwise, a fire could occur.
• Do not place flammable object nearby.
Doing so could cause fire.
• Inverters with a capacity of 50 HP or above, whose protective structure is IP00, involve a possibility that a human body may
touch the live conductors of the main circuit terminal block. Inverters to which an optional DC reactor is connected also
involve the same. Install such inverters in an inaccessible place.
Otherwise, electric shock or injuries could occur.