MAKING MODERN LIVING POSSIBLEOperating InstructionsVLT® Refrigeration Drive FC 1031.1-90 kWwww.danfoss.com/drives

Danfoss VLT Refrigeration Drive FC 103 Operating Instructions Manual

VLT FC 103

Introduction

Electrostatic Discharge (ESD)

Tools Required

General Torque Tightening Values

Exploded Views

Power-dependent Specifications

Operator Interface and Adjustable Frequency Drive Control

Numeric Local Control Panel (NLCP)

Changing Settings with the LCP

Status Messages

Service Functions

Input signals

Control Power Supply

Control Terminal Functions

Grounding Shielded Cables

Internal Adjustable Frequency Drive Operation

Logic Section

Logic to Power Interface

Sequence of Operation

Intermediate Section

Inverter Section

Brake Option

Cooling Fans

Load Sharing & Regeneration

Troubleshooting

Visual Inspection

Fault Symptoms

Incorrect Motor Operation

After Repair Tests

Adjustable Frequency Drive and Motor Applications

Overvoltage Trips

Control Logic Problems

Motor/Load Problems

EMI Signal and Power Wiring

Sources of EMI

Preventive Measures

Proper EMC Installation

Test Procedures

Signal Test Board

Rectifier Circuits Test

Brake IGBT Test

IGBT Temperature Sensor Test

Disconnect Test

Dynamic Test Procedures

No Display Test

DC Bus Voltage Test

Input Waveform Test

Output Imbalance of Motor Voltage and Current

IGBT Switching Test

Current Sensors Test

Fan Tests

Input Terminal Signal Tests

Disassembly and Assembly Instructions

Power Card Mounting Plate

Power Card

Fuses and RFI

Motor Terminal Block

V AC Power Size

Inrush Card

SCRs

IGBTs

DC Capacitors

Heatsink Fan

D2h/D4h Disassembly and Assembly Instructions

RFI Only

Power Terminal Mounting Plate

Mixing Fan

IGBT Gate Drive Card

SCR Input Bus Bars

With Optional Brake

D6h Disassembly and Assembly Instructions

Contactor

Replacing the Heatsink Fan with Options Cabinet Present

Special Test Equipment

Spare Parts

Block Diagrams

Symbols, Abbreviations, and Conventions

Safety

Installation

Installation in Combination with VLT ® PTC Thermistor Card MCB 112

Commissioning

STO Commissioning Test

Service and Maintenance

STO Technical Data

Index

Product Overview

Interior View of Enclosures E1h and E2h

Interior View of Enclosures E3h and E4h

Control Shelf

Local Control Panel (LCP)

Mechanical Installation

Operating Environment

Installation and Cooling Requirements

E1h/E2h Mechanical Installation

E3h/E4h Mechanical Installation

Electrical Installation

Wiring Schematic

Connecting the Motor

Connecting the AC Mains

Connecting to Ground

Terminal Dimensions

Control Wiring

Pre-start Check List

LCP Menu

Programming the Drive

Testing Before System Start-up

System Start-up

Wiring Configuration Examples

Wiring for Start/Stop

Wiring for External Alarm Reset

Wiring for a Motor Thermistor

Maintenance, Diagnostics, and Troubleshooting

Warning and Alarm Types

List of Warnings and Alarms

Specifications

Mains Supply

Cable Specifications

Fuses

Enclosure Dimensions

Enclosure Airflow

Fastener Torque Ratings

Appendix

International/North American Default Parameter Settings

installation guide

Disposal

Setting Address Switches

Reassembling Cover

No Communication with the Frequency Converter

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EMC-compliant Installation

Topology

installation instructions

safety instructions

Approvals and Certifications

Symbols, Abbreviations and Conventions

Configuration

Configure the Master

Configure the Frequency Converter

Control

Process Data

Reference Handling

Influence of the Digital Input Terminals upon FC Control Mode

Status Word according to PROFIdrive Profile (STW)

PROFIdrive State Transition Diagram

Danfoss FC Control Profile

Status Word according to FC Profile (STW)

Synchronise and Freeze

Parameter Access

Diagnosis

operating instructions

Installation in Combination with Thermistor Module MCB 112

Safe Torque Off Commissioning Test

Safe Torque Off Technical Data

Internal Controller Functions

Enclosure Types and Power Ratings

Tools Required for Installation

Lifting

Mechanical Dimensions

Grounding Requirements

Grounding

Motor Connection

Terminal Locations: D1h-D4h

Terminal Locations: D5h-D8h

Terminal Locations: E1-E2

Motor Cable

Motor Rotation Check

Shielding against Electrical Noise

Grounding of Screened Control Cables

Control Terminal Types

Safe Torque Off (STO)

Serial Communication

Start-up and Functional Testing

Applying Power

Automatic Motor Adaptation

User Interface

Setting LCP Display Values

Navigation Keys

Uploading Data to the LCP

Programming

Parameter Menu Structure

Remote Programming with MCT 10 Set-up Software

Application Examples

Warnings and Alarms

Warning and Alarm Definitions

Fault Messages

Basic Troubleshooting

General Technical Data

Fuse Tables

Short Circuit Current Rating (SCCR)

Purpose of the Manual

Frame Sizes and Power Ratings

Requirements

Leakage Current (>3.5 mA)

Motor Connection for A2 and A3

Motor Connection for A4 and A5

AC Mains Connection

Mains Connection for A4 and A5