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Danfoss VLT CDS 303

Danfoss VLT CDS 303
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MAKING MODERN LIVING POSSIBLE
Operating Instructions
VLT
®
Compressor Drives CDS 302/CDS 303
www.DanfossDrives.com

Table of Contents

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Danfoss VLT CDS 303 Specifications

General IconGeneral
Control ConnectionsDigital/Analog I/O, relay outputs, encoder feedback
Protection FeaturesOvercurrent, overvoltage, undervoltage, overtemperature, short circuit
Enclosure RatingIP20
Communication OptionsProfibus, DeviceNet, CANopen
Input Voltage380-480V AC, 3-phase
Ambient Temperature0°C to 40°C (32°F to 104°F) without derating, up to 50°C (122°F) with derating

Summary

Introduction

1.1 Introduction

Overview of the VLT® Compressor Drives and their application.

1.1.1 Sequence of Operation

Details the operational sequence and startup behavior of the drives.

Safety Instructions and General Warnings

2.1 Safety and Warnings

General safety advice, warnings, and precautions for operating the drives.

2.2 Safe Torque Off

Details the Safe Torque Off (STO) safety function and its implementation.

How to Install

3.1 Environment

Covers ambient temperature, altitude, and environmental requirements for installation.

3.2 Mechanical Installation

Details physical installation aspects including mounting and dimensions.

3.3 Electrical Installation

Covers cable general guidelines, connections, and protection.

3.4 Fuses and Circuit Breakers

Recommendations for selecting fuses and circuit breakers for component protection.

3.5 Application Example

Illustrates application examples of compressor drive systems.

Quick Set-up

4.1 Quick Set-up

Guides through the initial setup procedures for running the frequency converter.

How to Program

5.1 How to Program on the Graphical LCP

Guide on programming the frequency converter using the Graphical Local Control Panel (LCP).

5.2 LCP Keys

Details the functions of the keys on the Local Control Panel (LCP).

Parameter Descriptions

6.1 LCP Display

Overview of the Local Control Panel (LCP) display and its sections.

6.2 Par. Group 0 - Operation and Display

Parameters related to operating modes and display settings.

6.3 Par. Group 1 - Load and Motor

Parameters related to motor data, load compensation, and selection.

6.4 Par. Group 3 - ReferenceRamps

Parameters for reference handling, limitations, and ramp configuration.

6.5 Parameters: 4-** LimitsWarnings

Parameters for adjusting warning limits for current, speed, and reference.

6.6 Par. Group 5 - Digital InOut

Parameters for configuring digital inputs and outputs.

6.7 Par. Group 6 - Analog InOut

Parameters for configuring analog input and output signals.

6.8 Par. Group 7 - Controllers

Parameters for PID controllers, including speed and process control.

6.9 Parameters: 8-** Communications and Options

Parameters for configuring communication protocols and options.

6.10 Par. Group 13 - Smart Logic Control

Parameters for configuring Smart Logic Control (SLC) for user-defined actions.

6.11 Par. Group 14 - Special Functions

Parameters for configuring special functions of the frequency converter.

6.12 Par. Group 15 - Drive Information

Information on operating data, hardware, and software versions.

6.13 Parameters: 16-** Data Readouts

Parameters used for reading drive status and motor parameters.

6.14 Par. Group 25 - Cascade Controller

Parameters for configuring the Cascade Controller for multi-compressor systems.

6.15 Par. Group 28 - Compressor Functions

Parameters for configuring compressor functions like short cycle protection and oil return.

6.16 Parameter Lists

Lists parameters with descriptions, default values, and types.

6.16.2 0-** OperationDisplay

Table of parameters related to operation and display settings.

6.16.3 1-** LoadMotor

Parameters related to motor data, load compensation, and selection.

6.16.4 3-** ReferenceRamps

Parameters for setting reference limits and ramp configurations.

6.16.5 4-** LimitsWarnings

Parameters for adjusting warning limits for current, speed, and reference.

6.16.6 5-** Digital InOut

Parameters for configuring digital inputs and outputs.

6.16.7 6-** Analog InOut

Parameters for configuring analog input and output signals.

6.16.8 7-** Controllers

Parameters for PID controllers, including speed and process control.

6.16.9 8-** Comm. and Options

Parameters for configuring communication protocols and options.

6.16.10 14-** Special Functions

Parameters for configuring special functions of the frequency converter.

6.16.11 15-** Drive Information

Information on operating data, hardware, and software versions.

6.16.13 25-** Cascade Controller

Parameters for configuring the Cascade Controller for multi-compressor systems.

6.16.14 28-** Compressor Function

Parameters for configuring compressor functions like short cycle protection and oil return.

Troubleshooting

7.1 Status Messages

Information on status messages, including warnings and alarms.

General Specifications

8.1.1 Mains Supply 3 x200-240 V AC

Specifications for mains supply of 3x200-240 V AC, including output and current.

8.1.2 Mains Supply 3 x380-480 V AC

Specifications for mains supply of 3x380-480 V AC, including output and current.

8.1.3 Mains Supply 3 x525-600 V AC

Specifications for mains supply of 3x525-600 V AC, including output and current.

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