Automotive Air-Conditioning and Climate Control Systems
Comprehensive technical manual covering automotive air-conditioning and climate control systems. Includes fundamentals of air-conditioning theory, vapor compression refrigeration, system components (compressor, condenser, evaporator, expansion valves), electrical and electronic control systems, sensors and actuators, diagnostics and troubleshooting, service and repair procedures, refrigerant recovery and charging. Features three practical case studies based on European manufacturers covering manual control, automatic temperature control, and full climate control systems. Additional chapters on legislation, environmental impact, ozone layer, and global warming. Extensive coverage of OBD/EOBD systems, multiplex wiring, oscilloscope testing procedures, and European wiring diagram interpretation.
Table of Contents:
- Preface .... page vii
- Acknowledgements .... page viii
- Introduction: An overview of the automotive air-conditioning market, training and qualifications .... page ix
- 1 Air-conditioning fundamentals .... page 1
- 1.1 History of automotive air-conditioning systems .... page 1
- 1.2 Introduction to heating and ventilation .... page 6
- 1.3 The basic theory of cooling .... page 26
- 1.4 Vapour compression refrigeration .... page 39
- 1.5 Alternatives cycles .... page 42
- 1.6 The air-conditioning system .... page 57
- 1.7 The expansion valve system .... page 58
- 1.8 The fixed orifice valve system (cycling clutch orifice tube) .... page 59
- 1.9 Dual air-conditioning .... page 61
- 2 Air-conditioning components .... page 62
- 2.1 The compressor .... page 62
- 2.2 The condenser .... page 77
- 2.3 The receiver-drier/accumulator .... page 81
- 2.4 The expansion valve/fixed orifice valve .... page 84
- 2.5 The evaporator .... page 89
- 2.6 Anti-frosting devices .... page 91
- 2.7 Basic control switches .... page 93
- 3 Air-conditioning electrical and electronic control .... page 95
- 3.1 Electrical principles .... page 95
- 3.2 Sensors and actuators .... page 113
- 3.3 Testing sensors and actuators .... page 159
- 3.4 Oscilloscope waveform sampling .... page 172
- 3.5 Multiplex wiring systems .... page 183
- 3.6 OBD and EOBD .... page 188
- 3.7 How to read wiring diagrams .... page 194
- 3.8 Automotive A/C manual control system (case study 1) .... page 205
- 3.9 Automotive A/C auto temp control system (case study 2) .... page 221
- 3.10 Automotive climate control system (case study 3) .... page 238
- 4 Diagnostics and troubleshooting .... page 264
- 4.1 Initial vehicle inspection .... page 264
- 4.2 Temperature measurements .... page 266
- 4.3 Pressure gauge readings and cycle testing .... page 267
- 4.4 A/C system leak testing .... page 277
- 4.5 Sight glass .... page 282
- 5 Service and repair .... page 283
- 5.1 Servicing precautions .... page 283
- 5.2 Refrigerant recovery, recycle and charging .... page 288
- 5.3 System oil .... page 310
- 5.4 System flushing .... page 312
- 5.5 Odour removal .... page 316
- 5.6 Retrofitting .... page 317
- 5.7 Replacement and adjustment of compressor components .... page 318
- 5.8 Fixed orifice valve remove and replace .... page 335
- 6 The environment .... page 337
- 6.1 Global warming .... page 337
- 6.2 The ozone layer .... page 338
- 7 Legislation .... page 341
- 7.1 Historical perspective .... page 341
- 7.2 US perspective .... page 344
- Appendices .... page 352
- Index .... page 359
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Document Details
- Format
- Pages
- 382
- Size
- 7.9 MB
- Category
- DIY & Home Improvement