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2.6 Mechanical Installation Precautions
W A R N I N G
EXPLOSIVE ATMOSPHERE
Installing the drive in a potentially explosive atmosphere can lead to death, personal injury, or property damage.
Install the unit in a cabinet outside of the potentially explosive area.
Use a motor with an appropriate ATEX protection class.
Install a PTC temperature sensor on an ATEX PTC-Thermistor device to monitor the motor temperature.
Install short motor cables.
Use sine-wave output filters when shielded motor cables are not used.
2.7 Safe Operation
When operating the unit, refer to the Programming Guide and Application Guide for guidance and all applicable safety instructions.
The drive is not suitable as the only safety device in the system. Make sure that additional monitoring and protection devices on
drives, motors, and accessories are installed according to the regional safety guidelines and accident prevention regulations.
Keep all doors, covers, and terminal boxes closed and securely fastened during operation.
AU373327181955en-000101 / 130R1208
18 | Danfoss A/S © 2021.08
Safety Instructions
VLT® AutomationDrive EZ FC 321
Programming Guide