5 Installation Procedure16 YASKAWA ELECTRIC TOBP C730600 84D YASKAWA AC Drive Option SI-N3 Installation ManualDo not use damaged wires, stress the wiring, or damage the wire insulation.Failure to comply could cause death or serious injury.Fire HazardTighten all terminal screws to the specified tightening torque.Loose or overtightened connections could cause erroneous operation and damage to theterminal block or start a fire and cause death or serious injury.NOTICEDamage to EquipmentObserve proper electrostatic discharge (ESD) procedures when handling the option,drive, and circuit boards.Failure to comply could cause ESD damage to circuitry.Never connect or disconnect the motor from the drive while the drive is outputtingvoltage.Improper equipment sequencing could damage the drive.Do not connect or operate any equipment with visible damage or missing parts.Failure to comply could further damage the equipment.Do not use unshielded wire for control wiring.Failure to comply may cause electrical interference resulting in poor system performance.Use shielded, twisted-pair wires and ground the shield to the ground terminal of the drive.Properly connect all pins and connectors on the option and drive.Failure to comply could prevent proper operation and damage equipment.Confirm that all connections are correct after installing the option and connectingperipheral devices.Failure to comply could damage the option.WARNING