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NEXANS – the inventor of heating cables - 1926 When choosing the N-HEAT ® electrical heating solutions you choose undisputable quality, a century of experience and the reliability of an industry leader. The Kremlin, the Sivas stadium in Turkey, the Bird’s Nest and other Olympic sites in China all have one thing in common with thousands of office buildings and private homes; electrical heating solutions from Nexans. In fact, the heating cable was invented by Nexans in Norway in 1926. Since then, we have produced and marketed high quality heating cables in every corner of the world. For the past 100 years we have focused on the continuous development of heating solutions, constantly exceeding the demands of the market. Today, our leading heating concept, N-HEAT ® , is the obvious choice for maximum comfort and reliability. The high quality heating solutions are easy to install, durable and energy saving, keeping people safe and healthy. Heating cables from Nexans have always been regarded as high quality products with focus on easy installation, reliability and safety. Overview All products are designed and tested in accordance with international standards, such as IEC and CENELEC standards, and meet the requirements of the European low voltage directive. The production is approved in accordance with the quality standard ISO 9001 and the environmental policy standard ISO 14001. Nexans offers a 20 year warranty on its series resistance heating cable products, and a 10 year warranty on its self- limiting heating cable products. This handbook gives an overview of common applications for electrical heating cables and information about the products of Nexans Norway. The products may be subject to national testing and approvals. This handbook contains general recommendations only and it is not intended for any specific country. It contains no national regulations. When using the manual, national regulations and installation requirements must be followed. Quality Heating cables from Nexans meet the highest quality standards and are certified by local electrical appliance certifying organizations in all major markets. Our series resistance heating cables come with a 20 year warranty given that they are installed according to our instructions and connected by a qualified electrician. Innovation Nexans heating cables are a Norwegian product and invention. We have been with HIDDEN SPLICE producing heating cables for 90 years. Over the years we have continued developing our products to meet changing demands and to introduce better solutions. One example is our unique hidden splice which provides a seamless integration between the hot and the cold part of the cable. Another is the advanced screen of our MILLIMAT ® cable, and our secure end seals which protect against moisture entering the cable. Product information Our Electrical Heating Cables Handbook is designed to give advice and information about heating cables in general and our goal is to provide a handy source of information to the end user, electricians/installers and consultants. In this handbook you will find information about underfloor comfort heating and many other applications for heating cables including snow melting in driveways and frost protection of pipes. Whether you choose our traditional cables or one of our thin mat products, you are making the right choice by choosing Nexans for your heating cable solution. You can also advise customers to visit our heating home page at nexans.com/nheat for more general information about heating cables and their applications. Nexans Norway AS reserves the right to implement product changes without notice, as our products are being continuously developed. 2
Index Part 1 General information Comfort heating in buildings.5 Heat loss and energy demand.6 Project planning and calculations.7 Selection of thermostat.8 Technical overview - formulas and terms. 10 Part 2 Applications Floor heating in concrete constructions. 12 Floor heating in bathrooms and wet rooms. 13 Floor heating in wooden floors. 14 Floor heating directly below parquet or laminate. 15 Solutions for renovation projects. 16 Ice and snow melting installations. 18 Sport fields and similar. 19 Heating cables in stairs. 20 Frost protection of freezer room (floors). 21 Drying and curing of concrete. 22 Frost protetction of roof gutters and roof drains. 23 Frost protection of pipes and tank. 25 Hot water in buildings. 28 Part 3 Product information Heating cables, series resistant N-HEAT ® TXLP/2R . 30 N-HEAT ® TXLP/1. 32 N-HEAT ® MILLICABLE FLEX 15. 33 N-HEAT ® TXLP drum cable black. 34 N-HEAT ® TXLP TWIN ON DRUM. 35 N-HEAT ® MILLICABLE™. 36 N-HEAT ® MILLICLICK™. 37 N-HEAT ® DEFROST SNOW. 38 N-HEAT ® TXLP/1 28 W/m. 39 N-HEAT ® DEFROST FLEX. 40 Heating cable mats N-HEAT ® SNOWMAT. 41 N-HEAT ® MELTMAT. 42 N-HEAT ® MILLIMAT ® . 43 Heating cables, self-limiting N-HEAT ® DEFROST PIPE - AO . 45 N-HEAT ® DEFROST PIPE - BR . 47 N-HEAT ® WARM WATER PIPE. 49 N-HEAT ® DEFROST WATER AND DEFROST WATER KIT. 50 Thermostats N-HEAT ® MILLITEMP™ thermostat. 51 N-HEAT ® MILLITEMP™ 2 thermostat. 52 N-HEAT ® COMFORT TR thermostat. 53 N-HEAT ® COMFORT TD thermostat. 54 Accessories Accessories for heating cables. 55 Accessories for self-limiting heating cables. 56 Part 4 Appendix Areas of use for Nexans Heating Cables. 58 Selection table TXLP/2R 10 W/m. 59 Selection table TXLP/2R 17 W/m. 60 Power diagram 120V. 61 Power diagram 230V . 62 Power diagram 400V. 63 N-HEAT ® COLLECTION - Electrical Heating Cables 2020 3