Automotive Air Conditioning and Climate Control Systems

Table of Contents

Air-conditioning Fundamentals: History of Automotive Air-conditioning Systems; Introduction to Heating and Ventilation; The Basic Theory of Cooling; Vapour compression refrigeration; Alternative cycles; The air-conditioning system; The expansion valve system; The fixed orifice valve system; Dual air-conditioning; Air-conditioning components: The compressor; The condenser; The receiver-drier/accumulator; The expansion valve/fixed orifice valve; The evaporator; Anti-frosting devices; Basic control switches; Air-conditioning electrical and electronic control: Electrical principles; Sensors and actuators; Testing sensors and actuators; Oscilloscope waveform sampling; Multiplex wiring systems; OBD and EOBD; How to Read Wiring Diagrams; Automotive A/C manual control system (case study 1); Automotive A/C auto temp control system (case study 2); Automotive climate control system (case study 3); Diagnostics and troubleshooting: Initial vehicle inspection; Temperature measurements; Pressure gauge readings and cycle testing; A/C system leak testing; Sight glass; Service and repair: Servicing precautions; Refrigerant recovery, recycle and charging; System oil; System flushing; Odour removal; Retrofitting; Replacement and adjustment of compressor components; Fixed orifice valve remove and replace; The environment: Global warming; The ozone layer; Legislation: Historical perspective; US perspective; Appendices; Index

Authors

Steven Daly Design, Engineering and Technology teacher at the Prestigious Langley Independent School, and Lecturer at City Norwich College; formerly Curriculum Manager, Higher Education & Professional Studies, College of North West London, UK.