E6582062
2-25 2. Installation and wiring
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3
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This section explains cautions for wiring, how to connect to the power supply, motor, and control equip-
ment, functions of the terminal blocks/connectors for communication, and how to switch the grounding
capacitor, etc.
2. 3. 1 Cautions for wiring
2. 3 Wiring
WARNING
Disassembly
prohibited
• Never disassemble, modify or repair.
This can result in electric shock, fire and other injury. Please call your Toshiba distributor for
repairs.
Prohibited
• Do not stick your fingers into openings such as cable wiring holes and cooling fan covers.
The unit contains high voltage parts and contact with them will result in electric shock.
• Do not place or insert any kind of object (electrical wire cuttings, rods, wires etc.) inside the
inverter.
This will cause a short circuit and result in electric shock or fire.
• Do not allow water or any other fluids to come in contact with the inverter.
This will cause a short circuit and result in electric shock or fire.
Mandatory
action
• All options to be used must be those specified by Toshiba.
The use of options other than those specified by Toshiba will result in an accident.
• In using a power distribution device and options for the inverter, they must be installed in a
cabinet.
When they are not installed in the cabinet, this will result in electric shock.
WARNING
Prohibited
• Never remove the front cover when the power is on.
The unit contains high voltage parts and contact with them will result in electric shock.
Mandatory
action
• Mount the front cover after wiring.
If you turn the power on without attaching the front cover, this will result in electric shock or
other injury.
• Electrical construction work must be done by a qualified expert.
Erroneous connection of power supply by someone who does not have that expert knowledge
will result in fire or electric shock.
• Connect output terminals (motor side) correctly.
If the phase sequence is incorrect, the motor will operate in reverse and that can result in injury.
• Wiring must be done after installation.
If you perform wiring prior to installation, this will result in electric shock or other injury.
• Verify that the power is turned off and the charge lamp is off before starting wiring.
If you perform wiring without verification, this will result in electric shock.
• Tighten the screws on the terminal block to specified torque.
If the screws are not tightened sufficiently to the specified torque, this will result in fire.
• Verify that the power supply voltage is within +10% and -15% (±10% when the load is 100% in
continuous operation) of the applied power supply voltage written on the name plate.
If you do not use the appropriate power supply voltage, this will result in failure or fire.
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