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Danfoss VLT 8042 AQUA

Danfoss VLT 8042 AQUA
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VLT
®
8000 AQUA
Contents
Introduction
......................................................................................................... 4
Software version ....................................................................................................... 4
Definitions ................................................................................................................ 5
Safety regulations ..................................................................................................... 7
Warning against unintended start ............................................................................. 7
Introduction to Operating Instructions ....................................................................... 9
Control principle ..................................................................................................... 10
AEO - Automatic Energy Optimization .................................................................... 10
Example of application - Constant pressure regulation in water supply system ....... 12
PC software and serial communication ................................................................... 13
PC Software tools .................................................................................................. 13
Fieldbus options ..................................................................................................... 13
Profibus .................................................................................................................. 13
LON - Local Operating Network ............................................................................. 14
DeviceNet .............................................................................................................. 14
Modbus RTU .......................................................................................................... 14
Cascade Controller Option ..................................................................................... 17
Unpacking and ordering a VLT frequency converter ................................................ 25
Type code ordering number string ......................................................................... 25
TYPE CODE Table/Ordering form ........................................................................... 29
Installation ......................................................................................................... 30
General technical data ............................................................................................ 30
Technical data, mains supply 3 x 200 - 240 V ......................................................... 36
Technical data, mains supply 3 x 380 - 480 V ........................................................ 38
Technical data, mains supply 3 x 525 - 600 V ......................................................... 43
Fuses ..................................................................................................................... 48
Mechanical dimensions .......................................................................................... 51
Mechanical installation ............................................................................................ 54
General information about electrical installation ...................................................... 56
High voltage warning .............................................................................................. 56
Earthing .................................................................................................................. 56
Cables .................................................................................................................... 56
Screened/armoured cables .................................................................................... 56
Extra protection with regard to indirect contact ....................................................... 57
RFI switch .............................................................................................................. 58
High voltage test .................................................................................................... 61
Heat emission from VLT 8000 AQUA ...................................................................... 61
EMC-correct electrical installation ........................................................................... 62
Earthing/Grounding of screened/armoured control cables ...................................... 64
Electrical installation, enclosures ............................................................................. 65
Use of emc-correct cables ..................................................................................... 73
Tightening torque and screw sizes ......................................................................... 74
Mains connection ................................................................................................... 75
Motor connection ................................................................................................... 75
DC bus connection ................................................................................................ 77
High-voltage relay ................................................................................................... 77
Electrical installation, control cables ........................................................................ 78
Switches 1-4 .......................................................................................................... 79
Connection example VLT 8000 AQUA .................................................................... 81
Control unit LCP ..................................................................................................... 84
MG.83.A2.02 - VLT is a registered Danfoss trademark
1

Table of Contents

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Danfoss VLT 8042 AQUA Specifications

General IconGeneral
BrandDanfoss
ModelVLT 8042 AQUA
CategoryDC Drives
LanguageEnglish

Summary

Introduction

Definitions

Alphabetical list of terms and their meanings.

Safety regulations

Important safety guidelines for installation and operation.

Warning against unintended start

Precautions to prevent accidental motor starts.

Introduction to Operating Instructions

Control principle

Explanation of how the frequency converter operates.

AEO - Automatic Energy Optimization

Function for optimizing motor power factor and efficiency.

Example of application - Constant pressure regulation in water supply system

General technical data

Technical data, mains supply 3 x 200 - 240 V

Technical data, mains supply 3 x 380 - 480 V

Technical data, mains supply 3 x 525 - 600 V

Technical data, mains supply 3 x 525 - 690 V

Mechanical installation

General information about electrical installation

High voltage warning

Critical safety warning about high voltages.

Earthing

Basic issues for EMC-correct installation and earthing.

EMC-correct electrical installation

Good engineering practice to ensure EMC-correct electrical installation:

Best practices for EMC-compliant electrical installations.

Use of emc-correct cables

Mains connection

Motor connection

Motor thermal protection

Connection example VLT 8000 AQUA

Connection examples

Single-pole startstop

Basic start and stop operation using one terminal.

Control unit LCP

Control keys for parameter setup

Explanation of keys used for parameter setup.

Changing data

Manual initialisation

Procedure for resetting to factory settings.

Quick Menu

Programming

Operation and Display 001-017

Parameters for language and display settings.

The Setup configuration

How to configure and manage parameter setups.

Load and motor 100-124

100 Configuration

Selecting the operating configuration (Open/Closed loop).

101 Torque characteristics

Choosing torque characteristics like AEO or Constant Torque.

107 Automatic motor adaptation, AMA

Procedure for automatic motor adaptation:

Step-by-step guide for automatic motor adaptation.

117 Motor thermal protection

References and Limits 200-228

201 Output frequency low limit, fMIN

Setting the minimum output frequency.

202 Output frequency high limit, fMAX

Setting the maximum output frequency.

Reference handling

221 Warning: Low current, ILOW

222 Warning: High current, IHIGH

223 Warning: Low frequency, fLOW

225 Warning: Low reference, RefLOW

226 Warning: High reference, REFHIGH

227 Warning: Low feedback, FBLOW

228 Warning: High feedback, FBHIGH

Fill Mode

Inputs and outputs 300-328

Analogdigital outputs

Application functions 400-434

402 Flying start

Options for enabling/disabling flying start.

Sleep mode

408 Interference reduction method

409 Function in case of no load

410 Function at mains failure

411 Function at overtemperature

416 Feedback conversion

417 Feedback function

420 PID normalinverse control

421 PID anti windup

422 PID start-up frequency

Enhanced Sleep Mode

Dry Run Detection

470 Dry Run Time Out

Serial communication 500-556

500 Protocol

Selecting communication protocol (FC, Modbus, etc.).

Warning words 1+2 and Alarm word

615 Fault log: Error code

620 Operating mode

Factory settings

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