Safety precautions

The labels on the inverter and this instruction manual contain important instructions for the prevention of possible injury to the user and other persons and damage to property, as well as for the safe use of the inverter. Please gain a good understanding of the following pictorial symbols before reading this manual and strictly observe the instructions that follow each symbols.

Marking

Symbols

Meaning

Danger

injuryMeans that improper use or handling could cause the risk of death or serious

 

 

Warning

Means that improper use or handling could cause injury to persons(*1) or

damage to property(*2).

 

 

(*1)”injury to persons” refer to injuries, burns, electric shocks, and so on, that do not oblige the injured person to be hospitalized or go to a hospital for a long period of time for medical treatment.

(*2)”damage to property” includes all kinds of losses resulting from it.

Symbols

Meaning

 

Represents prohibition(what you must not do)

 

What you must not do is described in or near this symbol by a picture or words

 

 

 

Represents mandatory items(what you must do)

 

What you must do is described in or near this symbol by a picture or word

 

Represents danger

 

What is dangerous is described in or near this symbol by a picture or word

 

Represents warning

 

What the warning should be applied is described in or near this symbol by a picture or word

 

 

Limited applications

This inverter is designed to control the speed of three-phase induction motors for general industry.

Precautions

When using our inverters for equipment such as nuclear power control equipment, aviation and space flight control equipment, traffic equipment, and safety equipment, and there is a risk that any failure or malfunction of the inverter could directly endanger human life or cause injury, please contact our headquarters, branch, or office printed on the front and back covers of this catalogue. Such applications must be studied carefully.

When using inverters for critical equipment, even though the inverters are manufactured under strict quality control always fit your equipment with safety devices to prevent serious accident or loss should the inverter fail(such as failure to issue an inverter trouble signal)

Do not use our inverters for any load other than three phase induction motors.

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Toshiba VF-A7 instruction manual Limited applications, Precautions, Marking, Symbols Meaning, Damage to property*2