Preface
Chapter 1 Electrical Safety

Objectives
Key Terms
Introduction
1.1 Electrical Injuries
1.2 Dealing with Shock Victims
1.3 National Electrical Code
1.4 Electrical Grounding
1.5 Circuit Protection
1.6 Circuit Lockout Procedures
1.7 Electrical Safety Guidelines
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 2 Basic Electricity

Objectives
Key Terms
Introduction
2.1 Atomic Theory
2.2 Positive and Negative Charges
2.3 Flow of Electrons
2.4 Conductors and Insulators
2.5 Electric Potential
2.6 Current Flow
2.7 Resistance
2.8 Electric Power and Energy
2.9 Ohm¦s Law
2.10 Calculating Electric Power
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 3 Electric Circuits

Objectives
Key Terms
Introduction
3.1 Basic Concepts of Electric Circuits
3.2 Series Circuits
3.3 Parallel Circuits
3.4 Series-Parallel Circuits
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 4 Electric Meters

Objectives
Key Terms
Introduction
4.1 Electric Meters
4.2 Ammeters
4.3 Voltmeters
4.4 Ohmmeters
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 5 Components, Symbols, and Circuitry of Air-Conditioning Wiring Diagrams

Objectives
Key Terms
Introduction
5.1 Loads
5.2 Contactors and Relays
5.3 Magnetic Starters
5.4 Switches
5.5 Safety Devices
5.6 Transformers
5.7 Schematic Diagrams
5.10 Pictorial Diagrams
5.11 Installation Diagrams
Summary
Study Guide/Lab Manual Reference

Chapter 6 Reading Schematic Diagrams

Objectives
Key Terms
Introduction
6.1 Schematic Diagram Design
6.2 Reading Basic Schematic Diagrams
6.3 Reading Advanced Schematic Diagrams
6.4 Heating Operation
6.5 Commercial Refrigeration System with Pump Down Cycle
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 7 Alternating Current, Power Distribution, and Voltage Systems

Objectives
Key Terms
Introduction
7.1 Basic Concepts of Alternating Current
7.2 Power Distribution
7.3 Volt-Single Phase-60 Hertz Systems
7.4 Three-Phase Voltage Systems
7.5 230 Volt-Three Phase-60 Hertz Delta System
7.6 208 Volt-Three Phase-60 Hertz Wye System
7.7 Higher-Voltage Systems
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 8 Installation of Heating, Cooling, and Refrigeration Systems

Objectives
Key Terms
Introduction
8.1 Sizing Wire
8.2 Disconnect Switches
8.3 Fusible Load Centers
8.4 Breaker Panels
8.5 Distribution Centers
8.6 Installing Electrical Circuits for Refrigeration, Heating, and Air- Conditioning Equipment
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 9 Basic Electric Motors

Objectives
Key Terms
Introduction
9.1 Magnetism
9.2 Basic Electric Motor
9.3 Types of Electric Motors
9.4 Shaded-Pole Motors
9.5 Capacitors
9.6 Split-Phase Motors
9.7 Permanent Split-Capacitor Motors
9.8 Capacitor-Start·Capacitor-Run Motors
9.9 Three-Phase Motors
9.10 Hermetic Compressor Motors
9.11 Service Call Protocol
9.12 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 10 Components for Electric Motors

Objectives
Key Terms
Introduction
10.1 Starting Relays for Single-Phase Motors
10.2 Current or Amperage Relays
10.3 Potential Relays
10.4 Hot-Wire Relays
10.5 Solid-State Starting Relays and Devices
10.6 Motor Bearings
10.7 Motor Drives
10.8 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 11 Contactors, Relays, and Overloads

Objectives
Key Terms
Introduction
11.1 Contactors
11.2 Relays
11.3 Overloads
11.4 Magnetic Starters
11.5 Push-Button Stations
11.6 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 12 Thermostats, Pressure Switches, and Other Electric Control Devices

Objectives
Key Terms
Introduction
12.1 Transformers
12.2 Thermostats
12.3 Staging Thermostats
12.4 Clock Thermostats
12.5 Pressure Switches
12.6 Miscellaneous Electric Components
12.7 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 13 Heating Control Devices

Objectives
Key Terms
Introduction
13.1 Heating Fundamentals
13.2 Basic Heating Controls
13.3 Gas Heating Controls
13.4 Oil Heating Controls
13.5 Electric Heating Controls
13.6 Hydronic and Steam Controls
13.7 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 14 Troubleshooting Electric Control Devices

Objectives
Key Terms
Introduction
14.1 Electric Motors
14.2 Contactors and Relays
14.3 Overloads
14.4 Thermostats
14.5 Pressure Switches
14.6 Transformers
14.7 Electric Heating Controls
14.8 Gas Heating Controls
14.9 Oil Heating Controls
14.10 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 15 Air-Conditioning Control Systems

Objectives
Key Terms
Introduction
15.1 Basic Condensing Units
15.2 Packaged Units
15.3 Field Wiring
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 16 Control Systems: Circuitry and Troubleshooting

Objectives
Key Terms
Introduction
16.1 Basic Control Circuits
16.2 Total Control System of Residential Units
16.3 Advanced Control Systems
16.4 Methods of Control on Advanced Systems
16.5 Total Commercial and Industrial Control Systems
Summary
Questions
Study Guide/Lab Manual Reference

Chapter 17 Troubleshooting Modern Refrigeration, Heating, and Air-Conditioning Control Circuitry and Systems

Objectives
Key Terms
Introduction
17.1 Diagnosis of Electrical Components
17.2 Troubleshooting Tools
17.3 Troubleshooting with Electrical Meters
17.4 Using Troubleshooting Charts
17.5 Hopscotching: A Useful Tool for Troubleshooting
17.6 Troubleshooting Control Systems
17.7 Service Calls
Summary
Questions
Practice Service Calls
Study Guide/Lab Manual Reference

Chapter 18 Solid-State Controls and Systems

Objectives
Key Terms
Introduction
18.1 Electronic System Components
18.2 Basic Electronic Control Fundamentals
18.3 Basic Electronic Controls
18.4 Basic Electronic Control Systems Used in Residential Conditioned Air Systems
18.5 Advanced Electronic Controls
18.6 Troubleshooting Electronic Controls
Summary
Questions
Study Guide/Lab Manual Reference

Glossary
Index