D.1 Section Safety - YASKAWA U1000 Series Technical Manual

D.1 Section Safety

D.1 Section Safety
Do not connect or disconnect wiring while the power is on.
Failure to comply will result in death or serious injury.
Do not operate equipment with covers removed.
Failure to comply could result in death or serious injury.
The diagrams in this section may show drives without covers or safety shields to show details. Be sure to reinstall
covers or shields before operating the drives and run the drives according to the instructions described in this manual.
Always ground the motor-side grounding terminal.
Improper equipment grounding could result in death or serious injury by contacting the motor case.
Do not touch any terminals before the capacitors have fully discharged.
Failure to comply could result in death or serious injury.
Before wiring terminals, disconnect all power to the equipment. The capacitor for the control power supply remains
charged even after the power supply is turned off. After shutting off the power, wait for at least the amount of time
specified on the drive before touching any components.
Do not allow unqualified personnel to perform work on the drive.
Failure to comply could result in death or serious injury.
Installation, maintenance, inspection, and servicing must be performed only by authorized personnel familiar with
installation, adjustment and maintenance of AC drives.
Do not perform work on the drive while wearing loose clothing, jewelry or without eye protection.
Failure to comply could result in death or serious injury.
Remove all metal objects such as watches and rings, secure loose clothing, and wear eye protection before beginning
work on the drive.
Do not remove covers or touch circuit boards while the power is on.
Failure to comply could result in death or serious injury.
Tighten all terminal screws to the specified tightening torque.
Loose electrical connections could result in death or serious injury by fire due to overheating of electrical connections.
Do not use an improper voltage source.
Failure to comply could result in death or serious injury by fire.
Verify that the rated voltage of the drive matches the voltage of the incoming power supply before applying power.
Do not use improper combustible materials for the drive and harmonic filter module.
Failure to comply could result in death or serious injury by fire.
Attach the drive and harmonic filter module to metal or other noncombustible material.
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DANGER
Electrical Shock Hazard
W ARNING
Electrical Shock Hazard
Fire Hazard
YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual