Introduction; Symbols; Safety; Purpose Of The Manual - Danfoss vlt fcd 302 Operating Instructions Manual

Introduction

1 Introduction

1.1.1 Symbols

The following symbols are used in this manual:
WARNING
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices.
CAUTION
Indicates a situation that may result in equipment or
property-damage-only accidents.
NOTE
Indicates highlighted information that should be regarded
with attention to avoid mistakes or operate equipment at
less than optimal performance.
Indicates default setting of parameter.

1.1 Safety

WARNING
HIGH VOLTAGE
Frequency converters contain high voltage when connected
to AC mains input power. Installation, start-up and
maintenance should be performed by qualified personnel
only. Failure to perform installation, start-up and
maintenance by qualified personnel could result in death or
serious injury.
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VLT Decentral Drive FCD 302 Operating Instructions
F F CD 302 Series
Operating instructions
Software version: 6.22
MG.04.F2.02 - VLT is a registered Danfoss trademark
WARNING
UNINTENDED START
When the frequency converter is connected to the AC mains,
the motor may be started by means of an external switch, a
serial bus command, an input reference signal, or a cleared
fault condition. Use appropriate cautions to guard against an
unintended start.
WARNING
DISCHARGE TIME
Frequency converters contain DC link capacitors that can
remain charged even when AC mains input power is discon-
nected. To avoid electrical hazards, remove AC mains input
power from the frequency converter before doing any
service or repair and wait at least 4 minutes.

1.2 Purpose of the Manual

This manual is intended to provide detailed information for
the installation and start up of the frequency converter.
Chapter Pre-installation Planning provides requirements for
installation, wiring, and environmental considerations.
Chapter Installation provides detailed procedures for start-
up and functional testing. The remaining chapters provide
supplementary details. These include user interface, basic
operational concepts, programming and application
examples, start-up troubleshooting, and equipment specifi-
cations.
Optional equipment is available that may change some of
the procedures described. Be sure to see the instructions
supplied with those options for specific requirements.
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