JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

AIR CONDITIONING FUNDAMENTALS: Basic air conditioning system - location of air conditioning components in a car, schematic layout of a refrigeration system, compressor components, condenser and high pressure service ports, thermostatic expansion valve, expansion valve calibration, controlling evaporator temperature, evaporator pressure regulator, evaporator temperature regulator.

UNIT - II

AIR CONDITIONER – HEATING SYSTEM: Automotive heaters, manually controlled air conditioner, heater system, automatically controlled air conditioner and heater systems, automatic temperature control, air conditioning protection, engine protection.

UNIT - III

REFRIGERANT: Containers handling refrigerants, tapping into the refrigerant container, refrigeration system diagnosis, diagnostic procedure, ambient conditions affecting system pressures.

UNIT - IV

AIR ROUTING AND TEMPERATURE CONTROL: Objectives, evaporator airflow through the recalculating unit, automatic temperature control, duct system, controlling flow, vacuum reserve, testing the air control and handling systems.

UNIT - V

AIR CONDITIONING SERVICE: Air conditioner maintenance and service, servicing heater system removing and replacing components, trouble shooting of air controlling system, compressor service.

REFERENCES:

• 1. William H. Crouse and Donald I. Anglin - “Automotive Air conditioning” - McGraw Hill Inc. - 1990.
• 2. Mitchell information Services, Inc - “Mitchell Automatic Heating and Air Conditioning Systems” - Prentice Hall Ind. - 1989.
• 3. Paul Weiser - “Automotive Air Conditioning” - Reston Publishing Co., Inc., - 1990.
• 4. MacDonald, K.I., - “Automotive Air Conditioning” - Theodore Audel series – 1978
• 5. Goings. L.F. – “Automotive Air Conditioning” - American Technical services - 1974.
• 6. Boyce H. Dwiggins - ”Automotive Air Conditioning” - Delmar – 2002.
• 7. “Principles of Refrigeration”; Roy J Dossat: Pearson Education Inc.
• 8. “Refrigeration and Air Conditioning”; Arora and Damkondwar: Dhanpat Rai and Company.
• 9. “Refrigeration and Air Conditioning”, C. P. Arora: Tata McGraw Hills Pub. I Year -II Sem. M. Tech (HV & AC)