YASKAWA SI-EM3 Installation Manual

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Contents

5 Installation Procedure28 YASKAWA ELECTRIC TOBP C730600 91D YASKAWA AC Drive Option SI-EM3 Installation ManualInstalling the OptionRemove the front cover of the drive before you install the option.Refer to the drive manual for information about how to remove the front covers. Differentdrive sizes have different cover removal procedures.DANGER! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure tocomply could result in death or serious injury. Before installing the option, disconnect all power to the driveand wait at least the amount of time specified on the drive front cover safety label. After all indicators are off,measure the DC bus voltage to confirm safe level, and check for unsafe voltages before servicing. Theinternal capacitor remains charged after the power supply is turned off.1. Shut off power to the drive, wait the appropriate amount of time for voltage todissipate, then remove the HOA keypad (E) and front cover (D).NOTICE: Damage to Equipment. Observe proper electrostatic discharge procedures (ESD) when handlingthe option, drive, and circuit boards. Failure to comply may result in ESD damage to circuitry.Figure 12Figure 12 Remove the Front Cover and HOA KeypadDEA1000