Toshiba TOSVERT VF-MB1, Instruction Manual

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E6581697
2
I

Limits in purpose
This inverter is used for controlling speeds of three-phase induction motors in general industrial use.
Single-phase input model is output by the inverter as three-phase output and cannot drive a single-phase motor.
Safety precautions
This product is intended for general purpose uses in industrial application. It cannot be used
applications where may cause big impact on public uses, such as power plant and railway, and
equipment which endanger human life or injury, such as nuclear power control, aviation, space flight
control, traffic, safety device, amusement, or medical.
It may be considerable whether to apply, under the special condition or an application where strict
quality control may not be required. Please contact your Toshiba distributor.
Please use our product in applications where do not cause serious accidents or damages even if
product is failure, or please use in environment where safety equipment is applicable or a backup circuit
device is provided outside the system.
Please do not use our product for any load other than three-phase induction motors in general
industrial use. (Use in other than properly applied three-phase induction motors may cause an
accident.)
Single-phase input model is output by the inverter as three-phase output and cannot drive a single-
phase motor.

Handling
Warning
Reference
section
Disassembly
prohibited

Never disassemble, modify or repair.
This can result in electric shock, fire and injury. Call your Toshiba distributor for repairs.
2.
Prohibited

Do not open the terminal block cover while the inverter is on.
The unit contains many high voltage parts and contact with them will result in electric shock.

Do not stick your fingers into openings such as cable wiring holes and cooling fan covers.
This can result in electric shock or other injury.

Do not place or insert any kind of object into the inverter (electrical wire cuttings, rods, wires
etc.).
This can result in electric shock or fire.

Do not allow water or any other fluid to come in contact with the inverter.
This can result in electric shock or fire.
2.1
2.
2.
2.
Mandatory
action

After replacing the terminal block cover, turn the input power on.
Turning on the input power without replacing the terminal block cover may lead to electric
shock.

If the inverter begins to emit smoke or an unusual odor, or unusual sounds, immediately
turn power off.
If the equipment is continued in operation in such a state, the result may be fire. Call your
Toshiba distributor for repairs.

Always turn power off if the inverter is not used for long periods of time since there is a
possibility of malfunction caused by leaks, dust and other material. If power is left on with
the inverter in that state, it may result in fire.
2.1
3.
3.