National Instructional Media Institute (NIMI)

Basic Refrigeration & Air Conditioning : Modular Employable Skills - Chennai National Instructional Media Institute (NIMI) 2015,c2007 - 91

Contents :
1.Practical
-To swage and make a brazed joint on copper tubing of same size
-Identify the parts with function of a small capacity open type (1 HP) Reciprocating compressor
-Identify different type of condenser,evaporator and expansion device
-Compressor pumping test
-Check winding value of sealed compressor
-Identify the various electric motors and its parts used in refrigeration
-Check suction ,discharge pressure ,grill temperature and current in split AC
-Install and inspect domestic refrigeration & service Frost free refrigerator
-Replace door line gasket and align door assembly
-Install and Inspect Window A/C
-Charge gas to room air conditioners and check the performance
-Service of Split A/c
-Install the water cooler and check its performance
-Install the bottle cooler and check its performance

2.Theory
-Fundamentals of Refrigeration
-Refrigeration tools / equipment and thier functions
-Use of measuring insruments in Refrigeration & Air conditioning
-Refrigeration cycle
-Study of condenser
-Flood type and dry type evaporators
-Expansion device used in Refrigerations
-Introduction to electricity
-Safety practice
-Safety practice-fire extinguishers
-Types of fire extinguishers
-Series circuit and parallel circuit
-Uses of Measuring instruments
-Different types of electric motors

3. Assignment & Test





MES48

National Instructional Media Institute (NIMI)


Refrigeration & Air Conditioning : Modular Employable Skills

621.57 / BAS