A/C & Refrigeration 1 Year Course Syllabus

Duration: 1 Year (12 Months)

Training Type: Theory + Practical + Workshop + Project

Module 1: Basic Electrical Fundamentals

Theory:

• Basic electrical quantities: Voltage, Current, Resistance, Power
• Ohm’s Law and electrical formulas
• AC and DC supply basics
• Series and parallel circuits
• Electrical safety and precautions

Practical:

• Using multimeter
• Measuring voltage, current, resistance
• Basic wiring practice

Module 2: Basics of Refrigeration

Theory:

• Introduction to refrigeration
• Refrigeration cycle and principle
• Heat, temperature, and heat transfer
• Refrigerants and their properties
• Pressure and temperature relationship

Practical:

• Identification of refrigeration components
• Study of refrigeration cycle model

Module 3: Refrigeration System Components

Theory:

• Compressor (types and working)
• Condenser (air cooled, water cooled)
• Evaporator
• Expansion devices (capillary tube, expansion valve)
• Filter drier and accumulator

Practical:

• Component identification
• Compressor testing
• Relay and overload testing

Module 4: Refrigeration Tools and Instruments

Theory:

• Manifold gauge
• Vacuum pump
• Leak detector
• Charging cylinder
• Tube cutter, flaring and brazing tools

Practical:

• Using manifold gauge set
• Vacuuming process
• Leak testing methods

Module 5: Domestic Refrigerator System

Theory:

• Working of refrigerator
• Refrigerator electrical circuit
• Thermostat working
• Defrost system

Practical:

• Refrigerator wiring
• Fault finding and troubleshooting
• Compressor starting test

Module 6: Air Conditioner Fundamentals

Theory:

• Introduction to air conditioning
• Types of AC: Window AC, Split AC, Inverter AC
• Air conditioning cycle
• Cooling load basics

Practical:

• Identification of AC components
• Electrical testing of AC

Module 7: Split AC Installation and Service

Theory:

• Installation procedure
• Refrigerant piping basics
• Electrical wiring diagram
• Safety procedures

Practical:

• Split AC installation practice
• Gas charging
• Vacuuming
• Leak testing

Module 8: Refrigerant Charging and Gas Handling

Theory:

• Types of refrigerant gases (R134a, R22, R410A, R32)
• Charging methods
• Gas safety precautions

Practical:

• Gas charging using manifold gauge
• Vacuum pump operation

Module 9: Maintenance and Troubleshooting

Theory:

• Common faults in AC and refrigerator
• Preventive maintenance
• Electrical fault diagnosis

Practical:

• Fault finding practice
• Component replacement
• System testing

Module 10: Project and Industrial Practice

Practical Project Examples:

• Refrigerator wiring project
• AC electrical circuit project
• Gas charging demonstration
• Fault diagnosis project

Additional Skills Included:

• Brazing and piping practice
• Electrical wiring skills
• Safety and tool handling
• Basic customer service skills
• Workshop and field training

Career Opportunities After Course:

• AC Technician
• Refrigeration Technician
• HVAC Technician
• Service Technician
• Maintenance Technician
• Self-employment (AC repair business)