Danfoss VLT Ea4, Operating Manual

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1 Introduction and Safety
1.1 Purpose of this Manual
This manual provides requirements for mechanical and electrical installation of the VLT® Ea4 Parallel Drive Modules basic kit.
This guide includes information on:
Wiring of mains and motor connections.
Wiring of control and serial communications.
Control terminal functions.
Detailed tests that must be performed before start-up.
Initial programming to verify proper functioning of the drive system.
This operating guide is intended for use by qualified personnel. To install the drive modules and paralleling kit safely and professio-
nally, read and follow the operating guide. Pay particular attention to the safety instructions and general warnings. Always keep this
guide with the panel containing the VLT® Parallel Drive Modules components.
VLT® is a registered trademark of Danfoss A/S.
1.2 Disclaimer
Danfoss shall have no obligation regarding any product that
is not installed according to the standard configuration as specified in the installation guide.
is improperly repaired or altered.
is subjected to misuse, negligence, and improper installation where the guidelines were not followed.
is used in a contradictory manner to the instructions provided.
is a result of normal wear and tear.
N O T I C E
OUTPUT FREQUENCY LIMIT
The output frequency of the drive is limited to 590 Hz due to export control regulations.
1.3 Safety and Installation Awareness
Before starting installation, read all safety guidelines and precautions in this operating guide. PC tools and MyDrive
®
ecoSmart
™
can
be downloaded at www.danfoss.com .
1.4 Qualified Personnel
Only qualified personnel are allowed to install, commission, and maintain Danfoss drives. Qualified personnel are trained individuals
who are familiar with and authorized to mount and wire the drive in accordance with pertinent laws and regulations. Also, qualified
personnel must be familiar with the instructions and safety measures described in this installation guide.
1.5 Safety Symbols
The following symbols are used in this guide:
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.
AQ434333248451en-000101 / 130R1286 6 | Danfoss A/S © 2023.01
Introduction and Safety
VLT Ea4 Parallel Drive Modules
Operating Guide