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Electricity for Refrigeration, Heating, and Air Conditioning

by: Smith, R

Electricity for Refrigeration, Heating, and Air Conditioning

by: Smith, R

ISBN 13:
9780827376533
ISBN 10:
0827376537
Edition: 5th
Format: Paperback
Copyright: 01/14/1997
Publisher: Delmar Publishers
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Summary

New material includes a chapter on heating control devices (oil, gas, and electric), material on troubleshooting heating controls, installation of electric circuits for refrigeration, heating and air conditioning, clock and electric thermostats, and new material on basic electronic control systems used in residential conditioned air systems.

Preface

vii

1. Basic Electricity

(21)

Objectives

(1)

Key Terms

(1)

Introduction

(1)

1.1 Atomic Theory

(2)

1.2 Positive and Negative Charges

(1)

1.3 Flow of Electrons

(3)

1.4 Conductors and Insulators

(1)

1.5 Electric Potential

(1)

1.6 Current Flow

(2)

1.7 Resistance

(1)

1.8 Electric Power and Energy

(2)

1.9 Ohm's Law

(2)

1.10 Calculating Electric Power

(1)

Summary

(1)

Questions

(3)

2. Electric Circuits

(17)

Objectives

(1)

Key Terms

(1)

Introduction

(1)

2.1 Basic Concepts of Electric Circuits

(2)

2.2 Series Circuits

(4)

2.3 Parallel Circuits

(4)

2.4 Series-Parallel Circuits

(2)

Summary

(1)

Questions

(3)

3. Electric Meters

(19)

Objectives

(1)

Key Terms

(1)

Introduction

(1)

3.1 Electric Meters

(5)

3.2 Ammeters

(3)

3.3 Voltmeters

(3)

3.4 Ohmmeters

(3)

Summary

(1)

Questions

(2)

4. Components, Symbols, and Circuitry of Air-Conditioning Wiring Diagrams

(43)

Objectives

(1)

Key Terms

(1)

Introduction

(1)

4.1 Loads

(4)

4.2 Contactors and Relays

(3)

4.3 Magnetic Starters

(1)

4.4 Switches

(5)

4.5 Safety Devices

(2)

4.6 Transformers

(1)

4.7 Schematic Diagrams

(3)

4.8 Reading Simple Schematic Diagrams

(5)

4.9 Reading Advanced Schematic Diagrams

(10)

4.10 Pictorial Diagrams

(1)

4.11 Installation Diagrams

(3)

Summary

(2)

Questions

(4)

5. Alternating Current, Power Distribution, and Voltage Systems

101

(19)

Objectives

101

(1)

Key Terms

101

(1)

Introduction

102

(1)

5.1 Basic Concepts of Alternating Current

102

(6)

5.2 Power Distribution

108

(1)

5.3 230 Volt-Single Phase-60 Hertz Systems

108

(3)

5.4 Three Phase Voltage Systems

111

(1)

5.5 230 Volt-Three Phase-60 Hertz Delta System

111

(2)

5.6 208 Volt-Three Phase-60 Hertz Wye System

113

(1)

5.7 Higher Voltage Systems

114

(2)

Summary

116

(2)

Questions

118

(2)

6. Installation of Heating, Cooling, and Refrigeration Systems

120

(24)

Objectives

120

(1)

Key Terms

120

(1)

Introduction

121

(1)

6.1 Sizing Wire

121

(7)

6.2 Disconnect Switches

128

(2)

6.3 Fusible Load Centers

130

(2)

6.4 Breaker Panels

132

(4)

6.5 Distribution Centers

136

(1)

6.6 Installing Electrical Circuits for Refrigeration, Heating, and Air-Conditioning Equipment

137

(4)

Summary

141

(1)

Questions

142

(2)

7. Basic Electric Motors

144

(53)

Objectives

144

(1)

Key Terms

145

(1)

Introduction

145

(1)

7.1 Magnetism

145

(3)

7.2 Basic Electric Motor

148

(2)

7.3 Types of Electric Motors

150

(1)

7.4 Shaded-Pole Motors

151

(4)

7.5 Capacitors

155

(4)

7.6 Split-Phase Motors

159

(5)

7.7 Permanent-Split Capacitor Motors

164

(3)

7.8 Capacitor-Start-Capacitor-Run Motors

167

(2)

7.9 Three-Phase Motors

169

(3)

7.10 Hermetic Compressor Motors

172

(8)

7.11 Service Call Protocol

180

(3)

7.12 Service Calls

183

(6)

Summary

189

(1)

Questions

190

(4)

Practice Service Calls

194

(3)

8. Components for Electric Motors

197

(32)

Objectives

197

(1)

Key Terms

197

(1)

Introduction

198

(1)

8.1 Starting Relays for Single-Phase Motors

198

(1)

8.2 Current or Amperage Relays

199

(3)

8.3 Potential Relays

202

(6)

8.4 Hot-Wire Relays

208

(1)

8.5 Solid-State Starting Relays

209

(4)

8.6 Motor Bearings

213

(3)

8.7 Motor Drives

216

(2)

8.8 Service Calls

218

(5)

Summary

223

(1)

Questions

224

(2)

Practice Service Calls

226

(3)

9. Contactors, Relays, and Overloads

229

(35)

Objectives

229

(1)

Key Terms

229

(1)

Introduction

230

(1)

9.1 Contactors

231

(5)

9.2 Relays

236

(6)

9.3 Overloads

242

(8)

9.4 Magnetic Starters

250

(3)

9.5 Push-Button Stations

253

(1)

9.6 Service Calls

254

(4)

Summary

258

(2)

Questions

260

(1)

Practice Service Calls

261

(3)

10. Thermostats, Pressure Switches, and Other Electric Control Devices

264

(44)

Objectives

264

(1)

Key Terms

265

(1)

Introduction

265

(1)

10.1 Transformers

266

(2)

10.2 Thermostats

268

(13)

10.3 Staging Thermostats

281

(4)

10.4 Clock Thermostats

285

(5)

10.5 Pressure Switches

290

(3)

10.6 Miscellaneous Electric Components

293

(5)

10.7 Service Calls

298

(4)

Summary

302

(1)

Questions

303

(3)

Practice Service Calls

306

(2)

11. Heating Control Devices

308

(45)

Objectives

308

(1)

Key Terms

308

(1)

Introduction

309

(1)

11.1 Heating Fundamentals

310

(3)

11.2 Basic Heating Controls

313

(6)

11.3 Gas Heating Controls

319

(10)

11.4 Oil Heating Controls

329

(7)

11.5 Electric Heating Controls

336

(3)

11.6 Hydronic and Steam Controls

339

(3)

11.7 Service Calls

342

(4)

Summary

346

(2)

Questions

348

(3)

Practice Service Calls

351

(2)

12. Troubleshooting Electric Control Devices

353

(47)

Objectives

353

(1)

Key Terms

353

(1)

Introduction

353

(1)

12.1 Electric Motors

354

(1)

12.2 Contactors and Relays

355

(2)

12.3 Overloads

357

(6)

12.4 Thermostats

363

(3)

12.5 Pressure Switches

366

(4)

12.6 Transformers

367

(1)

12.7 Electric Heating Controls

368

(3)

12.8 Gas Heating Controls

371

(8)

12.9 Oil Heating Controls

379

(6)

12.10 Service Calls

385

(6)

Summary

391

(1)

Questions

392

(2)

Practice Service Calls

394

(6)

13. Air-Conditioning Control Systems

400

(27)

Objectives

400

(1)

Key Terms

400

(1)

Introduction

400

(2)

13.1 Basic Condensing Units

402

(6)

13.2 Packaged Units

408

(7)

13.3 Field Wiring

415

(7)

Summary

422

(2)

Questions

424

(3)

14. Control Systems: Circuitry and Troubleshooting

427

(47)

Objectives

427

(1)

Key Terms

427

(1)

Introduction

428

(1)

14.1 Basic Control Circuits

428

(4)

14.2 Total Control System of Residential Units

432

(2)

14.3 Advanced Control Systems

434

(9)

14.4 Methods of Control on Advanced Systems

443

(4)

14.5 Total Commercial and Industrial Control Systems

447

(3)

14.6 Troubleshooting Control Systems

450

(7)

14.7 Service Calls

457

(9)

Summary

466

(1)

Questions

467

(4)

Practice Service Calls

471

(3)

15. Solid-State Controls and Systems

474

(30)

Objectives

474

(1)

Key Terms

474

(1)

Introduction

475

(1)

15.1 Electronic System Components

476

(5)

15.2 Basic Electronic Controls

481

(11)

15.3 Basic Electronic Control Systems Used in Residential Conditioned Air Systems

492

(4)

15.4 Advanced Electronic Controls

496

(4)

Summary

500

(2)

Questions

502

(2)

Glossary

504

(11)

Index

515

Amazon no longer offers textbook rentals. We do!

Electricity for Refrigeration, Heating, and Air Conditioning

Electricity for Refrigeration, Heating, and Air Conditioning

9780827376533

0827376537

Summary

Table of Contents

Supplemental Materials

Write a Review

Amazon no longer offers textbook rentals. We do!

Electricity for Refrigeration, Heating, and Air Conditioning

Electricity for Refrigeration, Heating, and Air Conditioning

9780827376533

0827376537

Summary

Table of Contents

Supplemental Materials

Write a Review

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