| Chapter | Description | DurationHours | DurationMinutes |
| Introduction | Ice Breaking Sessions Module Overview General discipline in the institute General safety rules to be followed Role of a welder in Industry | 4 | 0 |
| Importance of Safety | Objective What is an Accident? What are the Types of Accidents? What are the causes of Accidents? What is 'First Aid'? What is an Fire Extinguisher? How to Operate a Fire Extinguisher? Mock exercise to extinguish the Fire | 6 | 0 |
| Introduction to Refrigeration and Air Conditioning | Fundamentals of Refrigeration Importance of Refrigeration Classification of refrigeration and Air Conditioning Components of Refrigeration System Differerent kinds of Refrigerating Machines Terms used in Refrigeration and Air Conditioning | 8 | 0 |
| Test 1 / Discussion/ Revision | Test 1 / Discussion/ Revision | 4 | 0 |
| Common Tools and Equipments | Necessity of hand tools and equipments Handling tools and equipments Prerequisite for any job Activity - Tools identification | 6 | 0 |
| Refrigeration Cycle | Introduction Factors in a Refrigeration cycle Ton of Refrigeration Working principle of refrigeration cycle De frosting system | 8 | 0 |
| Handling Gases and Gauges | Introduction Types of gases used in gas welding Different types of gas flames Handling of different gases in workshop Refrigeration gauges Pressure gauge Compound gauge | 8 | 0 |
| Water Coolers - Details and Specifications | General details Types of water cooler Functioning of a instantaneous type water cooler Functioning of pressure type water cooler Functioning of the different components of water cooler Water connection for a water cooler | 10 | 0 |
| Test 2 / Discussion/ Revision | Test 2 / Discussion/ Revision | 4 | 0 |
| Bottle coolers - Details and Specifications | Types of Bottle coolers Domestic Type Commercial Type | 8 | 0 |
| Contamination in sealed systems | Introduction Contaminants and their causes Effects of contaminants Control of contaminants | 8 | 0 |
| Leak Testing and charging of water cooler | Objectives Different methods of leak testing Vacuumising Methods of Refrigerant Charging | 8 | 0 |
| Servicing of Bottle coolers | Introduction Neccesity of servicing Servicing procedures | 8 | 0 |
| Servicing of water coolers | Introduction Neccesity of servicing Types of water coolers and construction | 8 | 0 |
| Test 3 / Discussion / Revision | Test 3 / Discussion / Revision | 2 | 0 |
| Refrigeration and Deep Freezer practice | Indentification of tools and Equipments and safety precautions Swage and make a brazed joint, flare connections and pinching | 20 | 0 |
| Refrigeration and Deep Freezer practice | Check winding and pumping pressure Identify parts, controls of water cooler Identify parts, controls of bottle cooler | 20 | 0 |
| Refrigeration and Deep Freezer practice | Solder copper coil of water cooler Service condenser of bottle cooler | 20 | 0 |
| Refrigeration and Deep Freezer practice | Leak test vacuumise gas charge in water cooler Wiring circuit of bottle cooler Installation of botrtle cooler | 20 | 0 |
| Refrigeration and Deep Freezer practice | Service of water cooler Installation and service of water cooler | 20 | 0 |
| Refrigeration and Deep Freezer practice | Trouble Shoot and repair water cooler- poor cooling Trouble Shoot and repair bottle cooler- poor cooling | 20 | 0 |
| Final Test / Discussion / Revision | Final Test / Discussion / Revision | 20 | 0 |