PIMPRI CHINCHWAD POLYTECHNIC

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Presentation transcript:

PIMPRI CHINCHWAD POLYTECHNIC PROGRAM: MECHANICAL ENGINEERING COURSE: AUTOMOBILE (17526)

5.Automobile A.C. systems. CO501.1: Identify various components of Automobile. C501.4 : Describe battery constructional details, charging system, starting system, lighting system.

Layout of Car A.C. system

Components of A.C. system Compressor Condensor Expansion Valve tempereture

Parameter control Tempereture Humidity Motion Purity

Precautions to be taken while using A.C. system 1. Do not use A/C with fresh air mode open. 2. Never operate a/c with heater on. 3. Never run a/c without refrigerant. 4. Do not leak test a/c with more than 2 MPa pressure. 5. Do not leave a/c joint open. 6. Do not charge refrigerant in a/c system before flushing.