Safety; Safety Symbols; Qualified Personnel; Safety Precautions - Danfoss VLT FC 102 Operating Manual

VLT HVAC Drive FC 102
Operating Guide

2 Safety

2.1 Safety Symbols

The following symbols are used in this guide:
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
Indicates information considered important, but not hazard-related (for example, messages relating to property damage).

2.2 Qualified Personnel

Correct and reliable transport, storage, installation, operation, and maintenance are required for the trouble-free and safe operation
of the drive. Only qualified personnel are allowed to install and 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 qualified personnel must be familiar with the instructions and
safety measures described in this manual.

2.3 Safety Precautions

HAZARDOUS VOLTAGE
AC drives contain hazardous voltage when connected to the AC mains or connected on the DC terminals. Failure to perform
installation, start-up, and maintenance by qualified personnel can result in death or serious injury.
-
Only qualified personnel must perform installation, start-up, and maintenance.
UNINTENDED START
When the drive is connected to AC mains, DC supply, or load sharing, the motor may start at any time, causing risk of death,
serious injury, and equipment or property damage. The motor may start by activation of an external switch, a fieldbus command,
an input reference signal from the LCP or LOP, via remote operation using MCT 10 Set-up software, or after a cleared fault condi-
tion.
-
Press [Off] on the LCP before programming parameters.
-
Disconnect the drive from the mains whenever personal safety considerations make it necessary to avoid unintended motor
start.
-
Check that the drive, motor, and any driven equipment are in operational readiness.
14 | Danfoss A/S © 2023.09
D A N G E R
W A R N I N G
C A U T I O N
N O T I C E
W A R N I N G
W A R N I N G
AQ267037536117en-000101 / 130R0083
Safety