5 Installation Procedure
34 YASKAWA ELECTRIC TOBP C730600 95A U1000-Series Option PS-U10 Installation Manual
Installation Method E
DANGER! Electrical Shock Hazard. Do not examine, connect, or disconnect wiring on an energized drive.
Before servicing, disconnect all power to the equipment and wait for the time specified on the warning label
at a minimum. The internal capacitor stays charged after the drive is de-energized. The charge indicator
LED extinguishes when the DC bus voltage decreases below 50 Vdc. When all indicators are OFF, remove
the covers before measuring for dangerous voltages to make sure that the drive is safe. Failure to obey will
cause death or serious injury.
NOTICE: Damage to Equipment. Observe correct electrostatic discharge (ESD) procedures when touching
the option, drive, and circuit boards. Failure to obey can cause ESD damage to the drive circuitry.
1.
De-energize the drive, wait for voltage to dissipate, then remove the digital operator
(F), front covers (E), and terminal cover (G).
Refer to the manual in the drive package for instructions to remove the digital
operator and covers.
Figure 27
Figure 29 Remove the Front Covers, Terminal Cover, and Digital Operator
E
G
F
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