Danfoss VLT AQUA Drive Series User Manual

Contents
1 How to Read this Design Guide
5
Copyright, Limitation of Liability and Revision Rights 5
Symbols 5
Abbreviations 6
Definitions 6
2 Introduction to VLT AQUA Drive 11
CE labelling 13
Vibration and shock 15
Control Structures 19
General aspects of EMC 26
Immunity Requirements 30
Galvanic isolation (PELV) 31
PELV - Protective Extra Low Voltage 31
Earth leakage current 32
Control with brake function 33
Control with Brake Function 33
Mechanical brake control 34
Extreme running conditions 34
Safe Stop Operation (optional) 37
3 VLT AQUA Selection 39
General Specifications 39
Efficiency 54
Special Conditions 60
Options and Accessories 65
General Description 75
High Power Options 81
Installation of Duct Cooling Kit in Rittal Enclosures 81
Outside Installation/ NEMA 3R Kit for Rittal enclosures 83
Installation on Pedestal 84
Input Plate Option 86
Installation of Mains Shield for Frequency Converters 87
Frame size F Panel Options 88
4 How to Order 91
Ordering form 91
Type Code String 92
Ordering Numbers 95
5 How to Install 107
VLT
®
AQUA Drive Design Guide Contents
MG.20.N5.02 - VLT
®
is a registered Danfoss trademark 1

Danfoss VLT AQUA Drive Series Specifications

General

Brand	Danfoss
Model	VLT AQUA Drive Series
Category	Media Converter
Language	English

Summary

Introduction to VLT AQUA Drive

Safety

Covers essential safety regulations and warnings for handling and installing the VLT AQUA Drive.

Control Structures

Describes the control principles, open loop, and local/remote control options for the drive.

Motor Thermal Protection

Explains the electronic thermal relay (ETR) feature for protecting the motor from overheating.

How to Order

Drive Configurator

Information on using the Danfoss Drive Configurator to design and order VLT AQUA drives.

Type Code String

Explains the structure and meaning of the VLT AQUA Drive type code string for product configuration.

How to Install

Mechanical Installation

Covers the essential mechanical installation steps for the VLT AQUA Drive.

Safety Requirements of Mechanical Installation

Highlights safety precautions crucial for mechanical installation, especially with larger units.

Electrical Installation

Details the general electrical installation guidelines, including cable sizing and tightening torques.

Connection to Mains and Earthing

Provides instructions for connecting the drive to the mains supply and ensuring proper earthing.

Motor Cable Connection

Explains the proper connection procedures for motor cables, including screening requirements.

Fuses

Specifies recommended fuse types and sizes for branch circuit, short circuit, and over-current protection.

Final Set-Up and Test

Outlines the steps for testing the installation and ensuring the frequency converter is running correctly.

Safe Stop Installation

Safe Stop Commissioning Test

Troubleshooting