HVAC and Motor Controls Field Workbook
Practical Diagnostics and Troubleshooting for Residential Gas Heating, Furnaces and BoilersBy Dale Mattingly
Length12h 43m
About this audiobook
A hands-on HVAC field workbook that teaches a repeatable diagnostic method for residential gas heating, furnaces, boilers and motor controls.
Audiobook details
Rating★★★★★ 4.6 (12)
Includes Amazon
GenreTechnology
Length12 hrs 43 mins
Narrated byListen with 1,000+ voices
FormateBook with Audio
Publish dateSep 27, 2026
LanguageEnglish
Table of contents
1HVAC and Motor Controls Field Workbook
2Foreword
3Preface
4About This Book
5Important Safety Notice
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6Chapter 1: Working Safely and Setting Up
71.1 Combustion Hazards and Carbon Monoxide
81.3 Gas Leak Detection and Odor Response
91.4 Meters, Manometers and Analyzers for the Truck
101.5 Safe Setup at the Equipment
11Chapter 2: Electrical Basics for Controls Work
122.1 Voltage, Current and Resistance in Control Circuits
132.2 Taking a Valid Voltage Reading
142.3 Current and Resistance Measurements That Mean Something
152.4 Series and Parallel Loads and Control Transformer Sizing
162.5 Line Voltage, Low Voltage, Neutral and Ground
17Chapter 3: Reading Wiring Diagrams
183.1 Ladder, Pictorial and Connection Diagrams
193.2 Symbols for Switches, Relays, Contactors and Loads
203.3 Tracing a Circuit on Paper
213.4 Marking Up a Diagram Before You Test
22Chapter 4: Switches, Relays and Contactors
234.1 Normally Open and Normally Closed Contacts
244.2 Coil Side Against Load Side
254.3 Contactor Pitting, Chatter and Welded Contacts
264.4 Sequencers, Time Delays and Interlocks
27Chapter 5: Motors and Motor Starting
285.1 Split-Phase, Capacitor-Start and Permanent Split Capacitor Motors
295.2 Run and Start Capacitor Testing
305.3 Internal Overloads and External Protection
315.4 Electronically Commutated Motors and Controls
325.5 Rotation, Mounting and Replacement Checks
33Chapter 6: Thermostats and Control Signalling
346.1 Terminal Conventions for Heating, Cooling, Fan and Common
356.2 Heat Anticipation, Cycle Rate and Staging
366.3 Communicating Controls and Their Wiring
376.4 Classic Miswires That Imitate Equipment Faults
38Chapter 7: Gas Furnaces: Sequence of Operation
397.1 The Call for Heat and Inducer Start
407.2 Pressure Switch Proving and Common Failures
417.3 Ignition Trial, Gas Valve Opening and Flame Proving
427.4 Blower On and Off Delays
437.5 The Sequence Written as a Testable Checklist
44Chapter 8: Ignition and Flame Proving Systems
458.1 Standing and Intermittent Pilot Systems
468.2 Spark and Hot Surface Ignition
478.3 Flame Rectification and Microamp Measurement
488.4 Lockout, Retry and Soft Lockout Behavior
49Chapter 9: Gas Valves, Manifold Pressure and Combustion
509.1 Inlet and Manifold Pressure Measurement
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