Name: Raychem XL-Trace
Brand: Raychem
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2. Fire Sprinkler

System Freeze

Protection

1. Pipe Freeze

Protection and

Flow Maintenance

3. Roof and Gutter

De-Icing

4. Surface Snow

Melting – MI

5. Surface Snow

Melting and Anti-

Icing – ElectroMelt

6. Freezer Frost

Heave Prevention

7. Floor Heating 8. Technical Data

Sheets

H55838 2/12 www.tycothermal.com 1 of 44

Pipe Freeze Protection

and Flow Maintenance

This step-by-step design guide provides the tools necessary to design a Raychem XL-Trace

pipe freeze protection or ﬂow maintenance system. For other applications or for design

assistance, contact your Tyco Thermal Controls representative or phone Tyco Thermal

Controls at (800)545-6258. Also, visit our web site at www.tycothermal.com.

Contents

Introduction ..............................................................1

How to Use this Guide ....................................................2

Safety Guidelines ........................................................2

Warranty ...............................................................3

System Overview ..........................................................3

XL-Trace Applications .....................................................3

Self-Regulating Heating Cable Construction ....................................4

Pipe Freeze Protection Applications ...........................................5

Typical Pipe Freeze Protection System ........................................5

General Water Piping .....................................................6

Fire Sprinkler Systems ....................................................8

Flow Maintenance Applications ...............................................9

Typical Flow Maintenance System ...........................................9

Greasy Waste Lines .....................................................10

Fuel Lines .............................................................12

Pipe Freeze Protection and Flow Maintenance Design .............................13

Design Step by Step .....................................................13

Step 1 Determine design conditions and pipe heat loss .....................13

Step

2 Select the heating cable .......................................18

Step

3 Determine the heating cable length ..............................20

Step

4 Determine the electrical parameters .............................. 22

Step

5 Select the connection kits and accessories ........................26

Step

6 Select the control system ...................................... 31

Step

7 Select the power distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Step

8 Complete the Bill of Materials ...................................36

XL-Trace System Pipe Freeze Protection and Flow Maintenance Design Worksheet ......37

Introduction

Raychem XL-Trace is designed for pipe freeze protection and ﬂow maintenance in the

following applications:

• Freeze protection of general water piping (aboveground and buried)

• Freeze protection of ﬁre sprinkler systems (aboveground and buried supply pipes)

• Flow waste lines (aboveground and buried)

• Flow maintenance of fuel lines (aboveground)

XL-Trace System

Description	Self-regulating heating cable for freeze protection and temperature maintenance
Application	Freeze protection or temperature maintenance of process pipes, tanks, and equipment
Voltage	120V, 240V, 277V, 480V
Operating Temperature	Up to 150°F (65°C)
Maximum Continuous Exposure Temperature	150°F (65°C)
Minimum Installation Temperature	-40°C (-40°F)
Approvals	ATEX, IECEx
Sheath Material	Fluoropolymer

Raychem XL-Trace User Manual

Table of Contents

Questions and Answers:

Raychem XL-Trace Specifications