Installation Manual

Introduction
ElectroMelt Products
ElectroMelt System Design
Design Steps
Supplemental Design Information
Project Submittal Data
Product Data Sheets
Condensed Specification Guide
Appendix A
Overview 5
How to Use This Guide 5
How to Use the Installation and Operation Manual 5
System Description 5
Codes 5
Warranty 6
Raychem Self-Regulating Heating Cable Technology 6
Self-Regulating Heating Cable 7
Components 7
Accessories 7
Basic ElectroMelt System Design 9
Design for Standard Applications 9
Design for Nonstandard Applications 9
Step 1. Determine Heating Cable Spacing 10
Step 2. Lay out Heating Cable 10
Step 3. Determine Electrical Parameters 11
Installation and Testing 14
Factors Affecting Snow-Melting System Design 15
Performance Requirements 16
Anti-Icing Performance Requirements 16
Snow-Melting Performance Requirements 17
Electrical Performance Requirements 20
Submittal Data Form 23
Heating Cable 25
Power Connection and End Seal Kit, and Splice Kit 26
Expansion Joint Kit 27
Junction Box 28
Automatic Snow Controller 29
Ground-Fault Protection Device 30
Contactor 31
Ambient Sensing Thermostat 32
Accessories 33
Insulation Resistance Tester 34
Jacket Repair Kit 35
37
Warranty; Suitability 39
ElectroMelt System
Guide Design
Table of Contents
3