Introduction; Safety - Danfoss VLT Decentral Drive FCD 302 Operating Manual

Introduction

1 Introduction
1.1 Introduction
1.1.1 Approvals
1.1.2 Symbols
The following symbols are used in this manual:
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.
Conventions
Numbered lists indicate procedures.
Bullet lists indicate other information and description of
illustrations.
Italicized text indicates:
•
Cross-reference.
•
Link.
•
Footnote.
•
Parameter name, parameter group name,
parameter option.
All dimensions in drawings are in mm (in).
* Indicates a default setting of a parameter.
®
VLT is a registered trademark.
EtherNet/IP™ is a trademark of ODVA, Inc.
MG04F402
Operating Guide

1.2 Safety

WARNING
HIGH VOLTAGE
Frequency converters contain high voltage when
connected to AC mains input, DC supply, or load sharing.
Failure to perform installation, start-up, and maintenance
by qualified personnel can result in death or serious
injury.
•
WARNING
UNINTENDED START
When the frequency converter is connected to AC mains,
DC supply, or load sharing, the motor may start at any
time. Unintended start during programming, service, or
repair work can result in death, serious injury, or
property damage. The motor can start with 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 condition.
To prevent unintended motor start:
•
•
•
Danfoss A/S © 05/2016 All rights reserved.
Only qualified personnel must perform instal-
lation, start-up, and maintenance.
Press [Off/Reset] on the LCP before
programming parameters.
Disconnect the frequency converter from the
mains.
Completely wire and assemble the frequency
converter, motor, and any driven equipment
before connecting the frequency converter to
AC mains, DC supply, or load sharing.
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