Danfoss VLT User manual

Contents

1 Safety

1-1

Safety instructions 1-1

Before Commencing Repair Work 1-2

Special conditions 1-2

Avoid unintended Start. 1-3

Safe Stop of the Adjustable Frequency Drive 1-3

IT Line Power 1-5

2 Introduction

2-1

3 Mechanical installation

3-1

Before starting 3-1

Mechanical Dimensions 3-3

4 Electrical installation

4-1

How to connect 4-1

Line power wiring overview 4-6

Motor wiring overview 4-13

DC bus connection 4-17

Brake Connection Option 4-18

Relay Connection 4-20

How to Test Motor and Direction of Rotation. 4-24

Electrical Installation and Control Cables 4-27

5 How to operate the adjustable frequency drive

5-1

Three ways of operating 5-1

How to operate the numeric LCP (NLCP) 5-1

Tips and tricks 5-5

6 How to program the adjustable frequency drive

6-1

How to program 6-1

Quick Menu Mode 6-1

Function Set-ups 6-10

Parameter list 6-55

Main Menu Structure 6-55

0-** Operation and Display 6-56

1-** Load / Motor 6-58

2-** Brakes 6-59

VLT

HVAC Drive Instruction Manual Contents

MG.11.A9.22 - VLT®is a registered Danfoss trademark

3-** Reference / Ramps 6-60

4-** Limits / Warnings 6-61

5-** Digital In / Out 6-62

6-** Analog In / Out 6-64

8-** Communication and Options 6-66

9-** Profibus 6-67

10-** CAN Fieldbus 6-68

11-** LonWorks 6-69

13-** Smart Logic Controller 6-70

14-** Special Functions 6-71

15-** FC Information 6-72

16-** Data Readouts 6-74

18-** Info & Readouts 6-76

20-** FC Closed-loop 6-77

21-** Ext. Closed-loop 6-78

22-** Application Functions 6-80

23-** Time-based Funtions 6-82

24-** Application Functions 2 6-83

25-** Cascade Controller 6-84

26-** Analog I / O Option MCB 109 6-86

7 Troubleshooting

7-1

Alarms and warnings 7-1

Fault messages 7-4

Acoustic noise or vibration 7-6

8 Specifications

8-1

General Specifications 8-1

Special Conditions 8-20

9 Index

9-1

Contents VLT

HVAC Drive Instruction Manual

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1Safety

1.1.1 Symbols

Symbols used in this manual:

NOTE!

Indicates something to be noted by the reader.

Indicates a general warning.

Indicates a high-voltage warning.

✮Indicates a default setting

1.1.2 High voltage warning

The voltage of the adjustable frequency drive and the MCO 101 option card is dangerous whenever it is connected to line power.

Incorrect installation of the motor or adjustable frequency drive may cause damage to the equipment, serious injury or death. Con-

sequently, it is essential to comply with the instructions in this manual as well as local and national rules and safety regulations.

1.1.3 Safety instructions

Prior to using functions directly or indirectly influencing personal safety (e.g., Safe Stop, Fire Mode or other functions either forcing

the motor to stop or attempting to keep it functioning), a thorough risk analysis and system test must be carried out. The system

tests must include testing failure modes regarding the control signaling (analog and digital signals and serial communication.

NOTE!

Before using fire mode, contact Danfoss

VLT

HVAC Drive Instruction Manual 1 Safety

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1-1

• Make sure the adjustable frequency drive is properly grounded.

• Do not remove AC line input connections, motor connections or other power connections while the adjustable frequency drive is connected to

line power.

• Protect users against supply voltage.

• Protect the motor against overloading in accordance with national and local regulations.

• The ground leakage current exceeds 3.5 mA.

• The [OFF] key is not a safety switch. It does not disconnect the adjustable frequency drive from line power.

1.1.4 Before Commencing Repair Work

1. Disconnect the adjustable frequency drive from line power.

2. Disconnect DC bus terminals 88 and 89.

3. Wait at least the time mentioned above in the section General Warning.

4. Remove motor cable

1.1.5 Special conditions

Electrical ratings:

The rating indicated on the nameplate of the adjustable frequency drive is based on a typical 3-phase line power supply within the specified voltage,

current and temperature ranges, which are expected to be used in most applications.

The adjustable frequency drives also support other special applications, which affect the electrical ratings of the adjustable frequency drive.

Special conditions that affect the electrical ratings might be:

• Single phase applications.

• High temperature applications that require derating of the electrical ratings.

• Marine applications with more severe environmental conditions.

Other applications might also affect the electrical ratings.

Consult the relevant sections in this manual and in the

VLT HVAC Drive Design Guide, MG.11.BX.YY

for information about the electrical ratings.

Installation requirements:

The overall electrical safety of the adjustable frequency drive requires special installation considerations regarding:

• Fuses and circuit breakers for overcurrent and short-circuit protection

• Selection of power cables (line power, motor, brake, load sharing and relay)

• Grid configuration (IT,TN, grounded leg, etc.)

• Safety of low-voltage ports (PELV conditions).

Consult the relevant clauses in these instructions and in the

VLT HVAC Drive Design Guide

for information about the installation requirements.

1 Safety VLT

HVAC Drive Instruction Manual

1-2

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1.1.6 Caution

Caution

The adjustable frequency drive DC link capacitors remain charged after power has been disconnected. To avoid an electrical shock hazard, disconnect

the adjustable frequency drive from line power before carrying out maintenance. Wait at least as follows before doing service on the adjustable

frequency drive:

Voltage Minimum Waiting Time

4 min. 15 min. 20 min. 30 min. 40 min.

200–240 V 1.1 - 3.7 kW 7.5–60 hp [5.5–45 kW]

380–480 V 1.1 - 7.5 kW 15–125 hp [11–90 kW] 150–300 hp [110–200

kW] 350–600 hp [250–450

kW]

525–600 V 1.5–10 hp [1.1–7.5

kW] 150–350 hp [110–250

kW]

450–750 hp [315–560

kW]

525–690 V 60–125 hp [45–90 kW] 150–350 hp [110– 250

kW]

450–750 hp [315– 560

kW]

850–1600 hp [630–

1200 kW]

Be aware that there may be high voltage on the DC link even when the LEDs are turned off.

1.1.7 Installation at high altitudes (PELV)

At altitudes above 6,600 feet [2 km], please contact Danfoss regarding PELV.

1.1.8 Avoid unintended Start.

While the adjustable frequency drive is connected to line power, the motor can be started/stopped using digital commands, bus

commands, references or via the Local Control Panel.

• Disconnect the adjustable frequency drive from line power whenever personal safety considerations make it necessary to avoid an unintended

start.

• To avoid an unintended start, always activate the [OFF] key before changing parameters.

• Unless terminal 37 is turned off, an electronic fault, temporary overload, a fault in the line power supply or lost motor connection may cause a

stopped motor to start.

1.1.9 Safe Stop of the Adjustable Frequency Drive

For versions equipped with a Safe Stop terminal 37 input, the adjustable frequency drive can perform the safety function

Safe Torque Off

(as defined by

draft CD IEC 61800-5-2) or

Stop Category 0

(as defined in EN 60204-1).

It is designed and deemed suitable for the requirements of Safety Category 3 in EN 954-1. This functionality is called Safe Stop. Prior to integrating and

using safe stop in an installation, a thorough risk analysis must be carried out on the installation in order to determine whether the safe stop functionality

and safety category are appropriate and sufficient. In order to install and use the safe stop function in accordance with the requirements of Safety Category

3 in EN 954-1, the related information and instructions of the

VLT HVAC Drive Design Guide

must be followed! The information and instructions contained

in the Instruction Manual are not sufficient for a correct and safe use of the safe stop functionality!

VLT

HVAC Drive Instruction Manual 1 Safety

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1-3

130BA491

This certificate also covers FC 102 and FC 202!

1 Safety VLT

HVAC Drive Instruction Manual

1-4

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1.1.10 IT Line Power

IT Line Power

Do not connect 400 V adjustable frequency drives with RFI filters to line supplies with a voltage between phase and ground of more

than 440 V.

For IT line power and delta ground (grounded leg), AC line voltage may exceed 440 V between phase and ground.

par. 14-50

RFI 1

can be used to disconnect the internal RFI capacitors from the RFI filter to ground. If this is done, it will reduce the RFI performance

to A2 level.

1.1.11 Software version and approvals: VLT HVAC Drive

VLT HVAC Drive

Software version: 3.1.x

This manual can be used with all VLT HVAC Drive adjustable frequency drives with software version 3.1.x.

The software version number can be seen from par. 15-43

Software Version

1.1.12 Disposal Instructions

Equipment containing electrical components must not be disposed of together with domestic waste.

It must be separately collected with electrical and electronic waste according to local and currently valid leg-

islation.

VLT

HVAC Drive Instruction Manual 1 Safety

MG.11.A9.22 - VLT®is a registered Danfoss trademark

1-5

1 Safety VLT

HVAC Drive Instruction Manual

1-6

MG.11.A9.22 - VLT®is a registered Danfoss trademark

2Introduction

2.1 Introduction

2.1.1 Available literature

-Instruction Manual MG.11.Ax.yy provides the necessary information for getting the adjustable frequency drive up and running.

-Design Guide MG.11.Bx.yy contains all the technical information about the adjustable frequency drive and customer design and applications.

-Programming Guide MG.11.Cx.yy provides information on how to program and includes complete parameter descriptions.

-Mounting Instruction, Analog I/O Option MCB109, MI.38.Bx.yy

-PC-based Configuration Tool MCT 10, MG.10.Ax.yy enables the user to configure the adjustable frequency drive from a Windows™based PC

environment.

-Danfoss VLT®Energy Box software at

www.danfoss.com/BusinessAreas/DrivesSolutions

, then choose PC Software Download

-VLT®VLT HVAC Drive Drive Applications, MG.11.Tx.yy

-Instruction Manual VLT HVAC Drive BACnet, MG.11.Dx.yy

-Instruction ManualVLT HVAC Drive Profibus, MG.33.Cx.yy.

-Instruction ManualVLT HVAC Drive Device Net, MG.33.Dx.yy

-Instruction ManualVLT HVAC Drive LonWorks, MG.11.Ex.yy

-Instruction Manual VLT HVAC Drive High Power, MG.11.Fx.yy

-Instruction ManualVLT HVAC Drive Metasys, MG.11.Gx.yy

-Instruction Manual VLT HVAC Drive FLN, MG.11.Zx.yy

x = Revision number

yy = Language code

Danfoss technical literature is available in print from your local Danfoss Sales Office or online at:

www.danfoss.com/BusinessAreas/DrivesSolutions/Documentations/Technical+Documentation.htm

VLT

HVAC Drive Instruction Manual 2 Introduction

MG.11.A9.22 - VLT®is a registered Danfoss trademark

2-1

2.1.2 Adjustable Frequency Drive Identification

Below is an example of an identification label. This label is situated on the adjustable frequency drive and shows the type and the options with which the

unit is equipped. See below for details of how to read the Type code string (T/C).

Figure 2.1: This example shows an identification label.

NOTE!

Please have T/C (type code) number and serial number ready before contacting Danfoss.

2 Introduction VLT

HVAC Drive Instruction Manual

2-2

MG.11.A9.22 - VLT®is a registered Danfoss trademark

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