Mineral Insulated Cable Systems for Snow Melting in Concrete,

2,74

MB

Asphalt and Pavers

46

stron

6338

ID

Tyco Thermal Controls

2006

rok

Table of Contents

General Information 1

1.1 Use of the Manual 1

1.2 Safety Guidelines 2

1.3 Typical Snow Melting System 2

1.4 Electrical Codes 3

1.5 Approvals 4

1.6 Warranty 4

1.7 Heating Cable Construction 4

1.8 Heating Cable Identification 5

1.9 Heating Cable Storage 6

1.10 General Installation Guidelines 7

Pre-Installation Checks 9

2.1 Before You Start 9

2.2 References 9

2.3 Review the Design 9

2.4 Check Tools 11

2.5 Check Materials Received 11

Heating Cable Installation 12

3.1 Heating Cable Handling 12

3.2 Protect the Heating Cable 12

3.3 Visual Inspection 12

3.4 Materials Specifications 13

3.5 Waterproofing Membranes 14

3.6 Herringbone Patterns 14

3.7 Drainage and Trench Drains 15

3.8 Joints in Concrete 16

3.9 Concrete – Single Pour 17

3.10 Concrete – Two Pour 21

3.11 Asphalt Topping over Asphalt Base 25

3.12 Asphalt Topping over Concrete Base 28

3.13 Mastic Asphalt over Concrete Base 30

3.14 Brick and Concrete Pavers 34

3.15 Concrete and Asphalt Wheel Tracks 38

3.16 Concrete Stairs 40

Component Installation 43

4.1 Junction Boxes 43

4.2 Slab Sensing Thermostat Installation 49

Control and Monitoring 50

5.1 Manual On/Off Control 50

5.2 Slab Sensing Thermostat 50

5.3 Automatic Snow Controller 50

Power Supply and Electrical Protection 53

6.1 Voltage Rating 53

6.2 Circuit Breaker Sizing 53

6.3 Ground-Fault Protection 54

6.4 Junction Box Wiring 55

6.5 Heating Cable and Controller Wiring 56

Commissioning and Preventive Maintenance 61

7.1 System Tests 61

7.2 Preventive Maintenance 62

Test Procedures 64

8.1 Visual Inspection 64

8.2 Insulation Resistance (Megger) Test 65

8.3 Continuity (Resistance) Test 66

8.4 Insulation Resistance and Continuity Test 66

8.5 Power Check 68

8.6 Fault Location Testing 70

Troubleshooting Guide 76

Installation and Inspection Records 80