**Course Objective:**
To equip technicians with the necessary skills and knowledge to diagnose faults, maintain, and repair residential and small commercial air conditioning units, with an emphasis on combining theoretical understanding with practical application.
**Course Content:**
**1: Introduction to Air Conditioning Systems and Basic Maintenance**
– Types of air conditioners (split, window, portable, central).
– Principles of air conditioning operation (refrigeration cycle).
– Components of air conditioning systems (compressor, evaporator, condenser, expansion valve, thermostat).
– Basic tools (pressure gauges, multimeters, refrigerant recovery equipment).
– Safety procedures and personal protective equipment (PPE).
– Filter cleaning, coil cleaning, and refrigerant level checks.
**2: Troubleshooting and Repairs**
– Diagnosis of common faults (no cooling, weak airflow, unusual noises).
– Troubleshooting electrical issues (thermostats, capacitors, wiring).
– Handling refrigerants and detecting leaks.
– Testing electrical systems, control boards, capacitors, and motors.
**3: Advanced Maintenance and System Upgrades**
– Replacing faulty components (compressors, fans, expansion valves).
– Upgrading air conditioning systems.
– Working with ductwork and ensuring proper ventilation flow.
– Occupational safety procedures.
– Hands-on training in maintenance and fault diagnosis.
**Target Audience:**
– Technicians specializing in air conditioning maintenance and repair.
– Individuals interested in learning how to service home air conditioning units.
