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SECTION 1: Theory of Heat
Introduction 1
Unit 1 Heat, Temperature, and Pressure 14
Unit 2 Matter and Energy 27
Unit 3 Refrigeration and Refrigerants 36
SECTION 2: Safety, Tools and Equipment,
and Shop Practices
Unit 4 General Safety Practices 84
Unit 5 Tools and Equipment 102
Unit 6 Fasteners 135
Unit 7 Tubing and Piping 148
Unit 8 Leak Detection, System Evacuation,
and System Cleanup 178
Unit 9 Refrigerant and Oil Chemistry and
Management—Recovery, Recycling,
Reclaiming, and Retrofi tting 213
Unit 10 System Charging 251
Unit 11 Calibrating Instruments 269
SECTION 3: Basic Automatic Controls
Unit 12 Basic Electricity and Magnetism 282
Unit 13 Introduction to Automatic Controls 310
Unit 14 Automatic Control Components
and Applications 322
Unit 15 Troubleshooting Basic Controls 552
Unit 16 Advanced Automatic Controls—Direct Digital
Controls (DDCs) and Pneumatics 376
SECTION 4: Electric Motors
Unit 17 Types of Electric Motors 398
Unit 18 Application of Motors 429
Unit 19 Motor Controls 447
Unit 20 Troubleshooting Electric Motors 458
SECTION 5: Commercial Refrigeration
Unit 21 Evaporators and the Refrigeration System 476
Unit 22 Condensers 498
Unit 23 Compressors 532
Unit 24 Expansion Devices 566
Unit 25 Special Refrigeration System Components 595
Unit 26 Applications of Refrigeration Systems 640
Unit 27 Commercial Ice Machines 684
Unit 28 Special Refrigeration Applications 733
Unit 29 Troubleshooting and Typical Operating
Conditions for Commercial Refrigeration 752
SECTION 6: Air-Conditioning
(Heating and Humidifi cation)
Unit 30 Electric Heat 798
Unit 31 Gas Heat 816
Unit 32 Oil Heat 889
Unit 33 Hydronic Heat 940
Unit 34 Indoor Air Quality 995
SECTION 7: Air-Conditioning (Cooling)
Unit 35 Comfort and Psychrometrics 1016
Unit 36 Refrigeration Applied to Air-Conditioning 1040
Unit 37 Air Distribution and Balance 1059
Unit 38 Installation 1107
Unit 39 Residential Energy Audit 1130
Unit 40 Typical Operating Conditions 1181
Unit 41 Troubleshooting 1195
SECTION 8: All-Weather Systems
Unit 42 Heat Gains and Heat Losses in Structures 1226
Unit 43 Air Source Heat Pumps 1245
Unit 44 Geothermal Heat Pumps 1297
SECTION 9: Domestic Appliances
Unit 45 Domestic Refrigerators and Freezers 1334
Unit 46 Room Air Conditioners 1408
SECTION 10: Commercial Air-Conditioning
and Chilled-Water Systems
Unit 47 High-Pressure, Low-Pressure, and Absorption
Chilled-Water Systems 1438
Unit 48 Cooling Towers and Pumps 1483
Unit 49 Operation, Maintenance, and Troubleshooting
of Chilled-Water Air-Conditioning Systems 1509
Unit 50 Commercial Packaged Rooftop, Variable
Refrigerant Flow and Variable
Air Volume Systems 1535
Appendix A Alternative Heating
(Stoves and Fireplace Inserts) 1575
Appendix B 1584

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