Danfoss VLT Design Guide

Contents
1 How to Read this Design Guide
5
1.1.2 Approvals & Certificates 5
1.1.3 Legal Information 5
1.1.5 Symbols 5
1.1.6 Abbreviations 6
1.1.7 Definitions 6
2 Introduction
10
2.1.2 Caution 11
2.2 CE labelling
11
2.3 Air Humidity
12
2.4 Aggressive Environments
12
2.5 Vibration and shock
13
2.6 Safe Stop
13
2.8 Control Structures
20
2.8.1 Control Principle 20
2.9 General Aspects of EMC
25
2.9.1 General Aspects of EMC Emissions 25
2.9.2 Emission Requirements 26
2.9.7 Immunity Requirements 29
2.10 Galvanic isolation (PELV)
31
2.10.1 PELV - Protective Extra Low Voltage 31
2.11 Earth Leakage Current
32
2.12 Extreme Running Conditions
33
3 Drive Selection
36
3.1 Options and Accessories
36
4 How to Order
51
4.1 Ordering Form
51
4.1.1 Drive Configurator 51
4.1.2 Type Code String 51
4.2 Ordering Numbers
53
4.2.4 Ordering Numbers: dU/dt Filters 55
5 How to Install
56
5.1 Mechanical Installation
56
5.1.2 Mechanical Dimensions 57
5.1.5 Lifting 61
5.1.6 Safety Requirements of Mechanical Installation 61
Contents
VLT
®
Refrigeration Drive Design Guide
MG16G102 - VLT
®
is a registered Danfoss trademark 1

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)