Danfoss FC103-110-250Kw, Operating Instructions Manual, Page: 2 / 77

Contents
1 Safety
4
2 Introduction
5
2.1 Exploded Views
5
2.2 Purpose of the Manual
6
2.3 Additional Resources
6
2.4 Product Overview
6
2.5 Internal Controller Functions
6
3 Installation
8
3.1 Planning the Installation Site
8
3.2 Pre-Installation Checklist
8
3.3 Mechanical Installation
8
3.3.1 Cooling 8
3.3.2 Lifting 9
3.4 Electrical Installation
9
3.4.1 General Requirements 9
3.4.2 Earth (Ground) Requirements 12
3.4.2.1 Leakage Current (>3.5 mA) 12
3.4.2.2 Earthing (Grounding) IP20 Enclosures 13
3.4.2.3 Earthing (Grounding) IP21/54 Enclosures 13
3.4.3 Motor Connection 14
3.4.3.1 Motor Cable 17
3.4.3.2 Motor Rotation Check 17
3.4.4 AC Mains Input Connection 17
3.5 Control Wiring Connection 18
3.5.1 Access 18
3.5.2 Using Screened Control Cables 18
3.5.3 Earthing (Grounding) of Screened Control Cables 18
3.5.4 Control Terminal Types 19
3.5.5 Wiring to Control Terminals 19
3.5.6 Control Terminal Functions 19
3.6 Serial Communication
19
4 Start Up and Functional Test
21
4.1 Pre-start
21
4.2 Applying Power to the Frequency Converter
22
4.3 Basic Operational Programming
22
4.3.1 Set-up Wizard 22
4.4 Local-control Test
28
Contents VLT® Refrigeration Drive 110-250 kW Operating Instructions
MG16F102 - VLT® is a registered Danfoss trademark 1