SS3 Third Term Air Conditioning And Refrigeration Lesson Note and Scheme of Work
Week 1: Introduction to Air Conditioning and Refrigeration
Lesson Note:
Introduction to the course content and objectives.
Definition of terms: air conditioning, refrigeration, heat transfer, etc.
Overview of the history and importance of air conditioning and refrigeration.
Basic principles of thermodynamics and their application in air conditioning and refrigeration systems.
Activities:
Class discussion on the importance of air conditioning and refrigeration in daily life.
Introduction to key concepts through multimedia presentations and real-life examples.
Group brainstorming sessions on the principles of thermodynamics.
Week 2-4: Fundamentals of Refrigeration Systems
Lesson Note:
Understanding the refrigeration cycle: compression, condensation, expansion, and evaporation.
Components of refrigeration systems: compressor, condenser, expansion valve, and evaporator.
Types of refrigerants and their properties.
Energy efficiency and environmental considerations in refrigeration.
Activities:
Hands-on demonstrations of refrigeration cycles using models or simulations.
Group projects to research and present on different types of refrigerants and their environmental impacts.
Field trip to a local refrigeration facility or factory to observe refrigeration systems in action.
Week 5-7: Air Conditioning Systems
Lesson Note:
Types of air conditioning systems: window units, split systems, central air, etc.
Components and functions of air conditioning systems: compressor, condenser, evaporator, thermostat, etc.
Air distribution and ventilation systems.
Energy-saving techniques and maintenance of air conditioning systems.
Activities:
Practical demonstrations of different types of air conditioning units.
Group discussions on energy-saving strategies for air conditioning.
Guest lecture from HVAC professionals on best practices for air conditioning maintenance.
Week 8-10: HVAC Controls and Troubleshooting
Lesson Note:
Introduction to HVAC control systems: thermostats, sensors, timers, etc.
Troubleshooting common issues in air conditioning and refrigeration systems.
Preventative maintenance techniques.
Safety procedures and regulations in HVAC work.
Activities:
Hands-on practice with HVAC control systems.
Role-playing scenarios for troubleshooting common HVAC problems.
Guest speaker from a local HVAC company to discuss safety regulations and best practices.
Week 11: Revision Week
Lesson Note:
Review of key concepts and topics covered throughout the term.
Practice quizzes and review exercises.
Clarification of any remaining questions or areas of confusion.
Activities:
Group study sessions to review course materials.
Mock exams to simulate the format and timing of the upcoming examination.
One-on-one consultations with the instructor for individualized support.
Week 12: Examination Week
Lesson Note:
Final examination covering all material from the term.
Emphasis on critical thinking and problem-solving skills.
Stress management techniques for exam preparation.
Activities:
Administration of the final examination.
Proctoring and monitoring exam conditions.
Post-exam debriefing and discussion of exam performance.
Week 13: School Dismissal Week
Lesson Note:
Recap of the term’s achievements and challenges.
Farewell and appreciation to students for their hard work and dedication.
Encouragement for continued learning and exploration in the field of air conditioning and refrigeration.
Activities:
End-of-term celebration with snacks and refreshments.
Distribution of certificates or awards for outstanding performance.
Opportunity for students to provide feedback on the course and instructor.
