YASKAWA SI-EP3 Installation Manual page 22

5 Installation Procedure
Install the Option
Remove the front covers of the drive before you install the option.
Refer to the drive manual for information about how to remove the front covers. Different
drive sizes have different cover removal procedures.
You can only install this option into the CN5-A connector on the drive control board.
DANGER! Electrical Shock Hazard. Do not inspect, connect, or disconnect any wiring while the drive is
energized. Failure to comply will cause death or serious injury. Before servicing, disconnect all power to the
equipment and wait for at least the time specified on the warning label. The internal capacitor remains
charged even after the drive is de-energized. The charge indicator LED will extinguish when the DC bus
voltage is below 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm the drive is
safe.
1.
Shut off power to the drive, wait the appropriate amount of time for voltage to
dissipate, then remove the keypad (D) and front covers (C, F).
Refer to the manual packaged with the drive for details on keypad and cover
removal.
NOTICE: Damage to Equipment. Observe proper electrostatic discharge (ESD) procedures when handling
the option, drive, and circuit boards. Failure to comply could cause ESD damage to circuitry.
Figure 5
Figure 5 Remove the Keypad, Front Cover, and Terminal Cover
22 YASKAWA ELECTRIC TOBP C730600 89D YASKAWA AC Drive Option SI-EP3 Installation Manual
A1000
C
D
F