xvi Brief Contents Section 1—Professional Development 1 Careers and Certifi cation .................................2 2 Safety .................................................................22 3 Service Calls .....................................................42 Section 2—Refrigeration System Fundamentals 4 Energy and Matter ..........................................54 5 Gases .................................................................72 6 Basic Refrigeration Systems ...........................88 Section 3—Service Basics 7 Tools and Supplies ........................................104 8 Working with Tubing and Piping ...............136 Section 4—Refrigerants 9 Introduction to Refrigerants ........................168 10 Equipment and Instruments for Refrigerant Handling and Service ...................................196 11 Working with Refrigerants ..........................234 Section 5—Basic Electricity, Magnetism, and Electronics 12 Basic Electricity ..............................................270 13 Electrical Power .............................................290 14 Basic Electronics ............................................308 Section 6—Motors and Electric Control Systems 15 Electric Motors ...............................................324 16 Electrical Control Systems ...........................350 17 Servicing Electric Motors and Controls .....390 Section 7—Refrigeration System Components 18 Compressors ..................................................422 19 Compressor Safety Components ................456 20 Metering Devices ..........................................470 21 Heat Exchangers ............................................510 22 Refrigerant Flow Components ....................558 Section 8—Domestic Refrigerators and Freezers 23 Overview of Domestic Refrigerators and Freezers ...........................................................596 24 Systems and Components of Domestic Refrigerators and Freezers ...........................610 25 Installation and Troubleshooting of Domestic Refrigerators and Freezers .........638 26 Service and Repair of Domestic Refrigerators and Freezers ...........................668 Section 9—Indoor Air Fundamentals 27 Air Movement and Measurement ..............686 28 Air Quality .....................................................718 29 Air Distribution .............................................744 30 Ventilation System Service ...........................786 Section 10—Air-Conditioning Systems 31 Ductless Air-Conditioning Systems ...........804 32 Residential Central Air-Conditioning Systems ...........................................................834 33 Commercial Air-Conditioning Systems .....858 34 Absorption and Evaporative Cooling Systems ...........................................................898 35 Humidity Control .........................................924 36 Thermostats ....................................................940 37 Heating and Cooling Loads .........................982 Section 11—Heating Systems 38 Forced-Air Heating Fundamentals ...........1020 39 Hydronic Heating Fundamentals .............1034 40 Heat Pumps..................................................1080 41 Gas-Fired Heating Systems .......................1114 42 Oil-Fired Heating Systems .........................1148 43 Electric Heating Systems ............................1192 Section 12—Energy Management and Conservation 44 Solar Power and Thermal Storage ............1218 45 Energy Management ...................................1244 46 Energy Conservation ..................................1260 Section 13—Commercial Refrigeration Systems 47 Overview of Commercial Refrigeration Systems .........................................................1278 48 Special Refrigeration Systems and Applications .................................................1310 49 Commercial Refrigeration System Confi gurations .............................................1332 Section 14—Designing Commercial Refrigeration Systems 50 Understanding Heat Loads and System Thermodynamics ........................................1348 51 Commercial Refrigeration Component Selection ........................................................1378 Section 15—Installing and Servicing Commercial Refrigeration Systems 52 Installing Commercial Systems .................1398 53 Troubleshooting Commercial Systems— System Diagnosis ........................................1422 54 Troubleshooting Commercial Systems— Component Diagnosis ................................1466 55 Servicing Commercial Systems .................1496