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2 Safety
2.1 Safety Symbols
The following symbols are used in this manual:
D A N G E R
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
W A R N I N G
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
C A U T I O N
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
N O T I C E
Indicates information considered important, but not hazard-related (for example, messages relating to property damage).
2.2 Qualified Personnel
To allow trouble-free and safe operation of the unit, only qualified personnel with proven skills are allowed to transport, store, as-
semble, install, program, commission, maintain, and decommission this equipment.
Persons with proven skills:
Are qualified electrical engineers, or persons who have received training from qualified electrical engineers and are suitably
experienced to operate devices, systems, plant, and machinery in accordance with pertinent laws and regulations.
Are familiar with the basic regulations concerning health and safety/accident prevention.
Have read and understood the safety guidelines given in all manuals, especially the instructions given in the operating guide of
the unit.
Have good knowledge of the generic and specialist standards applicable to the specific application.
Are familiar with the structure and operation of medium-voltage drives and the related risks. Special training for medium-volt-
age installations may be necessary.
2.3 Danger and Warnings
D A N G E R
SHOCK HAZARD FROM POWER UNIT COMPONENTS
The power unit components are live when the drive is connected to mains. Contact with this voltage can result in death or seri-
ous injury.
Do not touch the components of the power unit when the drive is connected to mains.
Do not do any work on live equipment.
Before doing any work on internal drive components, follow proper lock out and tag out procedure.
Before connecting the drive to mains, make sure that all covers are installed on the drive and the enclosure doors are closed.
D A N G E R
SHOCK HAZARD FROM TERMINALS
The motor terminals U, V, W, and the DC-link terminals must be treated as live when the drive is connected to mains. Contact with
this voltage can lead to death or serious injury.
Do not touch the motor terminals U, V, W, or the DC terminals when the drive is connected to mains.
Do not do any work on live equipment.
Before doing any work on the drive, follow proper lock out and tag out procedure.
Before connecting the drive to mains, make sure that all covers are installed on the drive and the enclosure doors are closed.
AQ363633621020en-000201 / 172F3117 | 9Danfoss A/S © 2021.06
Safety
VACON® 1000
Operating Guide
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