Danfoss Ice and snow melting Operating guide

Installation Guide

Ice and snow melting

Pavements, roads and ramps

Intelligent solutions with lasting effect

Visit DEVI.com

Table of Contents

1 Introduction 3

1.1 Safety Instructions 3

1.2 Installation guidelines 4

2 Installation step by step 5

2.1 Calculating C-C distance 5

2.2 Planning the installation 5

2.3 Preparing the installation area 6

3 Installing elements 6

3.1 Installing heating elements 7

3.2 Sensor Installation 7

4 Applications 8

4.1 Snow melting on ground areas 8

5 Optional settings

10

1 Introduction

In this installation manual, the word “element” refers to both heating cables and heating mats.

If the words “heating cable” or “heating mat” are used, the instruction in question applies only to this type of element.

The intended uses of the heating elements covered by this installation manual are shown in the following.

For other applications please contact your local sales office.

1.1Safety Instructions

Never cut or shorten the heating element

•Cutting the heating element will void the warranty.

•Cold leads can be shortened to suit requirements.

Elements must always be installed according to local building regulations and wiring rules as well as the guidelines in this installation manual.

•Any other installation may hamper element functionality or constitute a safety risk, and will void the warranty.

Elements must always be connected by an authorised electrician using a fixed connection.

•De-energize all power circuits before installation and service.

•Each heating element screen must be earthed in accordance with local electricity regulations and connected to a residual current device (RCD).

•RCD trip rating is max. 30 mA.

•Heating elements must be connected via a switch providing all pole disconnection.

•The element must be equipped with a correctly sized fuse or circuit breaker according to local regulations.

5

6

2

7

3 4 1