• After completing the course, participants shall be able to:  
• • Select the proper compressor for the A/C application 
• • Design a finned evaporator coil including circuiting & refrigerant distribution 
• • Design a finned condenser coil including circuiting & refrigerant distribution 
• • Select the proper expansion valve and system pressure drop 
• • Select basic system protectors 
• • Design a hot water coil for heating applications 
• • Select the proper heat pump unit & calculate supplementary heat requirements 
• • Calculate cooling / heating loads 
• • Select alternative refrigerants 
• • Calculate humidity for space requirements 
• • Select and calculate evaporator blowers, pulleys and belts 
• • Design and select the proper A/C unit for the application 
• • Having basic knowledge of trouble shooting for A/C units 
• • Having basic knowledge of safety issues related to A/C units 

• • Introduction and history 
• • Terms and definitions 
• • Concepts of heat transfer 
• • The mechanical refrigeration cycle 
• • Compressor selection 
• • Video tape on compressors faults & remedies 
• • Design of finned evaporators 
• • Selection of refrigeration distributors 
• • Design of air cooled condensers 
• • Software on coil design 
• • Expansion valve selection and unit pressure drop 
• • Video tape on expansion valves 
• • System protectors 
• • Video tape on system protectors 
• • Alternative refrigerants 
• • Selection of A/C units 
• • Heat pump applications and supplementary heat requirements 
• • Load calculations (heating / cooling) 
• • Air mixing in air handling units 
• • Duct heaters and humidifiers 
• • Heating coil design 
• • Pulleys and belts 
• • Trouble shooting 
• • Safety tips 

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