xi Brief Contents Section 1—Professional Development 1 Careers and Certification ....................................... 2 2 Safety .................................................................. 20 3 Service Calls ....................................................... 40 Section 2—Refrigeration System Fundamentals 4 Energy and Matter ............................................... 52 5 Gases .................................................................. 70 6 Basic Refrigeration Systems ............................... 84 Section 3—Service Basics 7 Tools and Supplies .............................................. 98 8 Working with Tubing and Piping ........................ 128 Section 4—Refrigerants 9 Introduction to Refrigerants ............................... 158 10 Equipment and Instruments for Refrigerant Handling and Service ................ 186 11 Working with Refrigerants ................................. 222 Section 5—Basic Electricity, Magnetism, and Electronics 12 Basic Electricity ................................................. 258 13 Electrical Power ................................................. 278 14 Basic Electronics ............................................... 296 Section 6—Motors and Electric Control Systems 15 Electric Motors .................................................. 312 16 Electrical Control Systems................................. 336 17 Electrical Troubleshooting Fundamentals ...........374 18 Servicing Electric Motors and Controls ............. 396 Section 7—Refrigeration System Components 19 Compressors ..................................................... 418 20 Compressor Safety Components ...................... 452 21 Metering Devices............................................... 466 22 Heat Exchangers ............................................... 502 23 Refrigerant Flow Components ........................... 548 Section 8—Domestic Refrigerators and Freezers 24 Overview of Domestic Refrigerators and Freezers ................................ 584 25 Installation and Troubleshooting of Domestic Refrigerators and Freezers ............ 616 26 Service and Repair of Domestic Refrigerators and Freezers ................................ 644 Section 9—Indoor Air Fundamentals 27 Air Movement and Measurement ...................... 660 28 Air Quality.......................................................... 692 29 Air Distribution ................................................... 718 30 Ventilation System Service ................................ 758 Section 10—Air-Conditioning Systems 31 Self-Contained Air-Conditioning Systems .......... 776 32 Residential Split Air-Conditioning Systems ........ 796 33 Commercial Air-Conditioning Systems .............. 830 34 Absorption and Evaporative Cooling Systems ............................................................. 872 35 Humidity Control ................................................ 898 36 Thermostats ...................................................... 912 37 Heating and Cooling Loads ............................... 952 Section 11—Heating Systems 38 Forced-Air Heating Fundamentals ..................... 990 39 Hydronic Heating Fundamentals ..................... 1004 40 Heat Pumps ..................................................... 1048 41 Gas-Fired Heating Systems ............................ 1080 42 Oil-Fired Heating Systems ................................ 1114 43 Electric Heating Systems .................................1158 Section 12—Energy Management and Conservation 44 Solar Power and Thermal Storage ...................1184 45 Energy Management ....................................... 1208 46 Energy Conservation ....................................... 1228 Section 13—Commercial Refrigeration Systems 47 Overview of Commercial Refrigeration Systems ........................................................... 1244 48 Special Refrigeration Systems and Applications ...............................................1274 49 Commercial Refrigeration System Configurations .................................... 1294 Section 14—Designing Commercial Refrigeration Systems 50 Understanding Heat Loads and System Thermodynamics..............................................1310 51 Commercial Refrigeration Component Selection ......................................................... 1340 Section 15—Installing and Servicing Commercial Refrigeration Systems 52 Installing Commercial Systems ....................... 1360 53 Troubleshooting Commercial Systems—System Diagnosis .......................... 1384 54 Troubleshooting Commercial Systems—Component Diagnosis .................... 1428 55 Servicing Commercial Systems ....................... 1456