Connection; Cautions As To Wiring - Toshiba TOSVERT VF-P7 Instruction Manual

2. Connection

･Never disassemble, modify or repair the inverter. Its disassembly could cause an
electric shock, a fire or an injury. Request your Toshiba dealer for repair.
Disassemble
･Do not put or insert anything (e.g., an electric cable, a bar or a steel wire) into the
inverter, or the inverter could cause a shock or a fire.
･Do not splash water over the inverter, or the inverter could cause a shock or a fire.
Prohibited
･Do not hold the front cover to carry the inverter, or the cover could come off and
cause the main unit to fall, thus causing you to get an injury.
Prohibited
･For models designed for 30kW motor or larger, carry it at least in a twosome, or it
could fall and cause you to get an injury.
Mandatory

2.1 Cautions as to wiring

･Never open the front cover of the inverter (or the door of the cabinet in which the
inverter is installed) when the inverter is energized, or you could get a shock since a
high voltage is applied to certain portions of it.
Prohibited
･Do not turn on the power before attaching the front cover (or closing the door of the
cabinet if the inverter is installed in it). Turning on the power with the cover or the
door left opened could lead to an electric shock.
Mandatory
･Entrust all electrical work to an experienced specialist. Wiring by an inexperienced
person could result in a fire or an electric shock.
･ Connect the output terminals (on the motor side) correctly. connection of the
terminals causes the motor to rotate in a wrong direction, and thus could result in
injury to persons.
･Perform wiring always after installing the inverter, or you could get a shock or an
injury.
･Be sure to perform the following preparatory work before proceeding to wiring.
(1) Turn off the power.
(2) Wait more than 10 minutes, and make sure that the charge lamp is extinct.
(3) Using a circuit tester with a D.C. voltage measuring capacity of more than 800 V,
check to be sure that the voltage remaining in the D.C. main circuit (between PA and
PC) is below 45 V to do so could lead to an electric shock.
･Tighten the terminal board fixing screws at the specified torque. Failure to do so could
lead to a fire.
･Connect grounding wires correctly and securely. Failure to do so could cause an
electric shock or a fire if current leakage occurs or the inverter breaks down.
Be Grounded
Danger
Warning
Danger
B-1