Heating, Ventilation, and Air Conditioning A Residential and Light Commercial Text and Lab Book

ISBN-10: 1401884725

ISBN-13: 9781401884727

Edition: 2nd 2006 (Revised)

Authors: Cecil Johnson
List price: $153.95 Buy it from $91.93 Rent it from $32.65
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Description: Introducing a completely current and innovative way to teach the basics of HVAC-R! Featuring more than 125 practical competencies, this ?how to? guide has been carefully designed and thoroughly modernized to provide a complete learning system for the fundamentals and applications of core HVAC-R concepts. It combines straightforward theory lessons with useful ?hands-on? opportunities for learning about the industry?s hottest topics, including electricity and electrical controls, refrigeration fundamentals, heat pumps, oil and gas heat, safety, and more. Enhancements to this edition include an updated tool identification chart, new and improved graphics, expanded information on calculator usage, and a pressure temperature chart for use by technicians in the field.

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Book details

List price: $153.95
Edition: 2nd
Copyright year: 2006
Publisher: Delmar Cengage Learning
Publication date: 10/21/2005
Binding: Paperback
Pages: 864
Size: 8.58" wide x 10.94" long x 1.46" tall
Weight: 4.532
Language: English

Cecil Johnson holds a Masters degree in Vocational Education from Penn State University and has over 30 years of service with the Dauphin County Technical School as a vocational instructor in HVAC. His experience in the HVAC-R and training fields has earned him a number of certifications: two Vocational Teaching Certificates, ESCO Institute and Air Conditioning Contractors of America (ACCA) CFC Proctor Certification, and EPA Section 608 Universal Certification. He has developed and written numerous HVAC training materials and programs, including programs for the General Service Association of the Federal Government and the United States Air Force. Mr. Johnson was also a key player in the development of the HVAC Diploma, Certificate, and Associate Degree programs at Harrisburg Area Community College, where he is currently an adjunct instructor.

Preface
Acknowledgments
Safety Precautions
Tools and Equipment
Electricity
Theory Lesson: Electricity
Theory Lesson: Series Circuits
Wiring Three Loads (Light Bulbs) and a Switch in a Series Circuit
Wiring Two Loads (Light Bulbs) in Series Using a Switch to Turn Them Off and On, Keeping a Third Light in the Circuit On Continuously
Theory Lesson: Parallel Circuits
Wiring Three Loads (Light Bulbs) in a Parallel Circuit and Using a Single-Pole, Single-Throw Switch to Control the Circuit
Wiring Three Loads (Light Bulbs) in Parallel Using a Single-Pole, Single-Throw Switch to Turn Two Light Bulbs Off and Leave One Light Bulb On All the Time
Theory Lesson: Series-Parallel Circuits
Wiring a Series-Parallel Circuit with a Single-Pole, Single-Throw Switch Controlling the Total Circuit, Where Three Loads (Light Bulbs) Are Wired in Parallel and Three Loads (Light Bulbs) Are Wired in Series
Wiring a Series-Parallel Circuit with a Single-Pole, Single-Throw Switch Controlling the Series Circuit, Where Three Loads (Light Bulbs) Are Wired in Parallel
Theory Lesson: Electrical Meters and Usage
Using a Voltmeter to Measure Voltage and Record Voltage Drop in a Series Circuit
Using a Voltmeter to Measure Voltage and Record Voltage Drop in a Parallel Circuit
Using a Clamp-On Ammeter to Measure Current in a Series Circuit
Using a Clamp-On Ammeter to Measure Amperage in a Parallel Circuit
Taking an In-Line Amperage Reading with a VOM
Checking the Resistance of a Series Circuit with an Ohmmeter
Using a VOM or OHM Meter to Measure Resistance and Calculate Resistance in a Parallel Circuit
Electrical Controls
Theory Lesson: Transformers
Connect a Step-Down Transformer to a Two-Pole Relay Contactor
Evaluating the Condition of a Transformer with an Ohmmeter
Evaluating a Transformer's Primary and Secondary Voltages
Measuring the Volt-Amperes of a Control Transformer
Theory Lesson: Relay Contactor and General-Purpose Relay
Wiring a Relay Contactor into a Circuit
Checking a Relay Contactor with a Voltmeter
Checking a Relay Contactor with an Ohmmeter
Theory Lesson: General-Purpose Relays
Using a General Purpose Relay to Control Two Loads in a Circuit
Theory Lesson: Current Starting Relays
Wiring a Current Relay into a Fractional Horsepower Hermetic Compressor Circuit
Checking the Performance of a Current Relay in a Motor Circuit
Theory Lesson: Positive Temperature Coefficient Start Devices
Installing a PTC Device into a PSC Motor Circuit
Testing a PTC Device In and Out of a Motor Circuit
Theory Lesson: Overloads
Checking an External Line-Breaking Overload Protector
Testing the Operation of a Two-Wire Compressor Overload Protector
Theory Lesson: High- and Low-Pressure Switches
Checking Calibration and Switch Activation of an Adjustable Low-Pressure Control
Checking Calibration and Switch Activation of an Adjustable High-Pressure Control
Calculating and Setting Cut-in, Differential, and Cutout Pressures for Low-Pressure Control Used for Low-Charge Protection
Calculating and Setting Cut-in, Differential, and Cut-out Pressures for a High-Pressure Control
Water-Cooled Condenser, High-Pressure Control Calculation and Settings
Theory Lesson: Oil Pressure Safety Switch
Oil Pressure Safety Control Performance Check in an Operational System
Checking the Differential Function of an Oil Pressure Safety Switch
Theory Lesson: Heating and Cooling Thermostats
Wiring a Low-Voltage Single-Stage Heating and Single-Stage Cooling Thermostat
Checking the Control Operation of a Single-Stage Heating and Cooling Thermostat
Checking Internal Switching Functions of a Honeywell Heating and Cooling Thermostat
Theory Lesson: Capacitors
Using an Ohmmeter to Check Run and Start Capacitors
Refrigeration Fundamentals
Theory Lesson: ACR Tubing
Using a Tube Cutter
Swaging Copper Tubing
Flaring Copper Tubing
Theory Lesson: Air-Acetylene
Setting Up an Air-Acetylene Outfit
Theory Lesson: Oxyacetylene Outfits
Setting Up an Oxyacetylene Outfit
Lighting an Oxyacetylene Torch Outfit
Theory Lesson: Proper Soldering Techniques
Proper Soldering and Brazing Techniques
Theory Lesson: The Vapor Compression Refrigeration Cycle
Learning the Vapor Compression Refrigeration Cycle
Interpreting a Pressure-Temperature Chart
Theory Lesson: Refrigeration Manifold Gages
Calibrating the Gage Manifold
Interrupting Refrigerant Gage Manifold Readings
Learning Valve Stem Service Valve Operation
Using Manifold Gages to Interpret Sealed System Pressures
Using a System's High-Side Pressure and Valve Stem Service Valves to Purge Air from the Manifold Gage
Proper Procedures for Installing Manifold Gages and Purging Air from Hoses on a Sealed System Equipped with Schrader Valves
Theory Lesson: Refrigerant Recovery, Recycling, and Reclaim
Recovering Refrigerant from a System with an Operating Compressor
Active Method of Recovery - Recovering Refrigerant from a System with a Self-Contained Recovery Unit
System-Dependent Recovery from a Small Appliance
Theory Lesson: Leak-Testing Refrigerant Sealed Systems
Using Nitrogen and R-22 for Leak-Checking a CFC or HCFC Sealed System
Using Nitrogen to Check for Leaks in an HFC Sealed System
Theory Lesson: Evacuation
Draining and Replacing Vacuum Pump Oil
Evacuating an Air Conditioning System
Evacuating a Sealed System That Has Valve Stem Service Valves
Multiple Evacuation of a Sealed System
Theory Lesson: Sealed System Charging with Azeotropic and Near-Azeotropic Refrigerants
Measuring the Dry-Bulb and Wet-Bulb Temperature and Relative Humidity of Air Using a Sling Psychrometer
Liquid Charging a Split System Air Conditioning Unit Using Charging Scales
Liquid Charging Central Air Conditioning System With Near-Azeotropic-Zeotropic Refrigerant Blends (R-410A/Puron)
Adjusting the Charge of a Central Air Conditioning System by Adding Refrigerant Vapor
Theory Lesson: Evaporators and Evaporator Superheat
Measuring the Amount of Superheat on an Air Conditioner or Heat Pump Evaporator Coil
Measuring the Amount of Evaporator Superheat of an Air Conditioning or Heat Pump System Under Different Load Conditions
Checking an Evaporator for Flood-Back Using the Hand-Touch Method
Evaluating Evaporator Efficiency
Theory Lesson: Superheat and Sub-cooling Calculations for Systems with Near-Azeotropic (Zeotropic) Refrigerant Blends
Measuring Superheat of a Sealed System with a Near-Azeotropic (Zeotropic) Refrigerant Blend
Using Manufacturer's Charging Chart to Check or Charge an Air Conditioning or Heat Pump Unit
Using the Sub-cool Method of Charging R-22 Air Conditioning or Heat Pump Equipment Supplied with a Thermostatic Expansion Device (TXV)
Theory Lesson: The "Big Question"-Charging and Checking the Charge of Air Conditioning and Heat Pump Equipment
Theory Lesson: Procedures for Using an R-22 Superheat/Sub-cooling Charging Calculator
Charging an R-22 Air Conditioning or Heat Pump by Using a Superheat/Sub-cooling Calculator-Superheat Method
Charging an R-22 Air Conditioning or Heat Pump by Using a Superheat/Sub-cooling Calculator-Sub-cool Method
Checking for Proper Airflow Range of a Split-System Air Conditioner or Heat Pump Using a Charging Calculator
Theory Lesson: Procedures for Using an R-410A Superheat/Sub-cooling Charging Calculator
Charging an R-410A Air Conditioning or Heat Pump by Using a Superheat/Sub-cooling Calculator-Superheat Method
Charging an R-410A Air Conditioning or Heat Pump by Using a Superheat/Sub-cooling Calculator-Sub-cool Method
Checking for Proper Airflow Range of a Split-System Air Conditioner or Heat Pump Using an R-410A Charging Calculator
Theory Lesson: Charging Procedures in the Field
Field Charging or Checking the Charge of an Air Conditioner or Heat Pump System with a Fixed-Bore Metering Device
Field Charging or Checking the Charge of an Air Conditioner or Heat Pump System with a TXV Metering Device
Theory Lesson: Electric Motors
Theory Lesson: Air Conditioning and Heat Pump Compressors and Motor Troubleshooting
Checking Split-Phase Compressor Motor Windings
Identifying Common, Run, and Start Terminals of a Split-Phase Compressor Motor
Checking a Compressor for Open Motor Windings
Checking a Compressor for a Shorted Motor Winding
Short-to-Ground Compressor Motor Test
Checking the Windings of a Three-Phase Compressor
Compressor Compression Ratio Test
Reciprocating Compressor Vacuum Test (Atmosphere as Head Pressure)
Closed-Loop Compressor Running Bench Test
Closed-Loop Compressor Running Field Test
Compressor Running Test in the System
Cleaning a Dirty Sealed System
Procedures for Checking for Noncondensables Within a Sealed System
Theory Lesson: Expansion Devices
Evaluating the Operation of a Sealed System with a Capillary Tube Metering Device
Adjusting the Superheat Setting on a TXV Metering Device
Theory Lesson: Condensers
Measuring the Sub-cooling of an Air-Cooled Condenser
Standard Efficiency Air-Cooled Condenser Performance Evaluation
High-Efficiency Air-Cooled Condenser Performance Evaluation
Water-Cooled Condenser Performance Evaluation
Determining Correct Operating High-Side Pressure for Refrigeration Equipment with a Standard Air-Cooled Condenser
Determining the Correct High-Side Pressure of Air Conditioning or Heat Pump Equipment with a High-Efficiency Air-Cooled Condenser
Determining the Correct Operating High-Side Pressure for Equipment with a Water-Cooled Condenser
Testing an Air Conditioner for Low Charge Before Installing Manifold Gages
Using the Sweat Line Method to Adjust the Charge on a Window Air Conditioner
Using Air Temperature Measurements to Check the Charge on a Window Air Conditioner
Heat Pumps
Theory Lesson: Heat Pump Theory of Operation
Checking a Four-Way (Reversing Valve) Valve Holding Coil
Mechanical Performance Check of a Four-Way Valve
Checking a Four-Way Valve for Leaking from System High Side to System Low Side
Theory Lesson: Heat Pumps Using Scroll Compressors
Single-Phase Scroll Compressor Motor Winding and Overload Protector Evaluation
Identifying Common, Run, and Start Terminals of a Split-Phase Scroll Compressor
Three-Phase Scroll Compressor Evaluation
Theory Lesson: Sealed-System Pump Down
Performing a Pump Down on a Split-System Heat Pump
Theory Lesson: Heat Pump Low-Voltage Thermostats
Checking Internal Operation of a Heat Pump Thermostat (Voltage Checks)
Checking Internal Operation of a Heat Pump Thermostat (Continuity Check)
Troubleshooting Mechanical Defrost Timers
Troubleshooting Solid-State Defrost Circuit Board and Temperature Sensor
Checking Heat Pump Auxiliary Heat-Electric Heating Elements (Limit Switch, Fuse Link, Heating Element, Sequencer)
Using Manufacturer's Charging Chart to Check or Charge a Heat Pump
Using the Sub-cool Method of Charging R-22 Heat Pumps Equipped with a Thermostatic Expansion Device (TXV)
Charging an R-22 Heat Pump by Using an R-22 Superheat/Sub-cooling Calculator-Superheat Method
Charging an R-22 Heat Pump Equipped with a TXV Metering Device by Using an R-22 Superheat/Sub-cooling Calculator-Sub-cool Method
Checking for Proper Airflow Range of a Split-System Heat Pump Using an Airflow Range Charging Calculator
Charging an R-410A Heat Pump by Using an R-410A Superheat/Sub-cooling Calculator-Superheat Method
Charging an R-410A Heat Pump Equipped with a TXV by Using an R-410A Superheat/Sub-cooling Calculator-Sub-cool Method
Checking for Proper Airflow Range of a Split-System Heat Pump Using an R-410A Proper Airflow Range Charging Calculator
Field Charging or Checking the Charge of a Heat Pump System with a Fixed-Bore Metering Device Operating in Low Ambient Temperatures
Field Charging or Checking the Charge of a Heat Pump System with a TXV Metering Device Operating in Low Ambient Temperatures
Determining Correct Operating High-Side Pressure for Heat Pump Equipment with a Standard Air-Cooled Condenser
Determining the Correct High-Side Pressure of Heat Pump Equipment with a High-Efficiency Air-Cooled Condenser
Oil Heat
Theory Lesson: Oil Heat
Theory Lesson: Oil Furnace Sequence of Operation
Oil Burner Motor Evaluation
Theory Lesson: Fuel Oil Pumps
Checking and Adjust the Oil Pump's Discharge Pressure
Oil Pump Standing Pressure Test
Oil Pump Vacuum Test
Bleeding a One-Pipe System
Ignition Transformer (Screwdriver Method)
Checking and Setting the Electrodes of an Oil Burner
Theory Lesson: Operation of Cad Cell Oil Primary Controls
Wiring a Primary Control into an Oil Burner Assembly
Cad Cell Primary Control Check Out
Checking Low-Voltage Output of Cad Cell Primary Control
Theory Lesson: Fan and Limit Safety Switch
Checking a Fan Limit Switch on a Fossil Fuel Furnace
Setting and Checking a Fan Limit Temperature Switch
Theory Lesson: Stacked-Mounted Safety Control
Checking the Operational Components of a Stack Switch Safety Control
Measuring and Setting the Heat Anticipator
Theory Lesson: Smoke in Fossil Fuel Combustion
Performing a Smoke Test on Fossil Fuel Equipment
Overfire Draft Test
Performing a Stack Draft or Breech Test on Fossil Fuel Equipment
Determining Net-Stack Temperature on Fossil Fuel Equipment
Performing a Carbon Dioxide (CO[subscript 2]) Test on Fossil Fuel Equipment
Complete Combustion Test on Fossil Fuel Equipment
Gas Heat
Theory Lesson: Gas Heat
Threading Steel Pipe
Standing Pilot Ignition Procedures
Pilot Flame Adjustment-Standing Pilot Ignition System
Checking a Thermocouple
Checking for Correct Electrical Polarity
Checking the Igniter of an HSI Ignition System
Checking a Flame Sensing Rod
Checking Draft or Combustion Blower Pressure Switch
Checking a Furnace High-Limit Switch
Checking the Draft Induced or Combustion Blower Motor
Checking a Gas Valve
Checking a Smart Valve Control System
Checking and Adjusting Manifold Gas Pressure
Checking Proper Airflow Using the Temperature Rise Method
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