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2 Safety
2.1 Safety Symbols
The following symbols are used in this guide:
WARNING
Indicates a potentially hazardous situation that could
result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that could
result in minor or moderate injury. It can also be used to
alert against unsafe practices.
NOTICE
Indicates important information, including situations that
can result in damage to equipment or property.
2.2 Qualified Personnel
Only qualified personnel are allowed to install or operate
this equipment.
Qualified personnel are defined as trained staff, who are
authorized to install, commission, and maintain equipment,
systems, and circuits in accordance with pertinent laws and
regulations. Also, the personnel must be familiar with the
instructions and safety measures described in this manual.
2.3 Safety Precautions
WARNING
HIGH VOLTAGE
Drives contain high voltage when connected to AC mains
input, DC supply, load sharing, or permanent motors.
Failure to use qualified personnel to install, start up, and
maintain the drive can result in death or serious injury.
•
Only qualified personnel must install, start up,
and maintain the drive.
WARNING
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain
charged even when the drive is not powered. High
voltage can be present even when the warning LED
indicator lights are off. Failure to wait the specified time
after power has been removed before performing service
or repair work can result in death or serious injury.
•
Stop the motor.
•
Disconnect AC mains and remote DC-link power
supplies, including battery back-ups, UPS, and
DC-link connections to other drives.
•
Disconnect or lock PM motor.
•
Wait for the capacitors to discharge fully. The
minimum waiting time is 20 minutes.
•
Before performing any service or repair work,
use an appropriate voltage measuring device to
make sure that the capacitors are fully
discharged.
WARNING
LEAKAGE CURRENT HAZARD
Leakage currents exceed 3.5 mA. Failure to ground the
drive properly can result in death or serious injury.
•
Ensure the correct grounding of the equipment
by a certified electrical installer.
Safety
VLT® AutomationDrive FC 361
6
Danfoss A/S © 03/2019 All rights reserved.
MG06K102
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Содержание VLT AutomationDrive FC 361
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