Professional Certificate of Competency in Heating, Ventilation and Air-Conditioning (HVAC)

 

 

COURSE OBJECTIVES

 

• Maintain and troubleshoot HVAC systems
• Understand and apply the psychrometic chart
• Design for good air quality
• Perform basic load calculations
• Initiate an effective inspection and maintenance program
• Minimise forced outages and prevent serious damage to HVAC equipment
• Provide an overview of the legislative requirements plus the essential steps and responsibilities for the maintenance and repair of HVAC systems
• Outline the technologies available for the efficient energy management using HVAC systems
  
   

This course is also available to students resident in India. Please click here for information and fees for Indian students.
 

OVERVIEW

This course is designed for engineers and technicians from a wide range of abilities and backgrounds and will provide an excellent introduction to the fundamentals of heating, ventilation and air-conditioning. It commences with a review of psychrometric charts and then examines the factors that influence design choices, indoor air quality, load calculations and heating/ventilation and air-conditioning systems. Numerous tips and tricks throughout the course make it very practical and topical to your applications.
 

COURSE OUTLINE

 

MODULE 1: Introduction to HVAC

• Principles of thermodynamics
• Pressure and temperature relationship
• Fundamentals of heat transfer
• Fundamentals of fluid flow
   

MODULE 2: Psychrometry

• Introduction to psychrometry
• The properties of air
• Understanding the psychrometric charts
   

MODULE 3: Requirements of Comfort Air Conditioning

• Air purification methods
• Thermodynamics of the human body
• Role of clothing
• Comfort and comfort chart
• Design considerations
• Requirements of temperature and humidity-high heat load industries
• Recommended inside design conditions
• Outside summer design conditions for some foreign cities
• Indoor Air Quality
• Design of ventilation systems
   

MODULE 4: Heating & Cooling Load Calculation Procedure

• Design considerations
• Internal Sensible and Latent Heat Load components
• Design condition - indoor & outdoor conditions
• External Load components
• Miscellaneous heat sources
• Fresh air load
   

MODULE 5: HVAC Systems

• Heating systems
• Hot water heating system
• Steam heating systems
• Electric heating systems
• Air-conditioning systems: General
• Air Handling Units
• Functional variations in the design
• Capacity calculation of an air handling unit
   

MODULE 6 - Variable air volume (VAV) systems

• System concept
• Different VAV systems
   

MODULE 7 - Duct design, air flow and its distribution

• Air flow and pressure losses
• Duct design
• Air distribution system inside space
• Ventilation systems
   

MODULE 8 - Insulation of Air-conditioning systems & Air Conditioning Equipment

• Desired properties of an ideal insulating material
• Factors affecting thermal conductivity
• Types of insulation materials
• Insulated systems
• Importance of relative humidity for the selection of insulation
• Air-conditioning equipment
• Air filters
• Humidifiers
• Dehumidifiers
• Fans and blowers
   

MODULE 9 - Refrigeration

• Methods of refrigeration
• Air refrigeration system
• Vapour compression refrigeration system
• Absorption refrigeration system
• Important refrigerants
• Refrigeration equipment
   

MODULE 10 - Controls and Instrumentation

• Elements of control
• Types of control system
• Typical control systems
   

MODULE 11 - Installation, Commissioning, Operation, Testing & Maintenance

• Installation
• Charging the refrigeration unit
• Adding oil to the compressor
• Commissioning
• Other service operations
• Maintenance
   

MODULE 12 - Fault finding and troubleshooting & Green House effect & Future Refrigerants

• Troubleshooting
• The greenhouse effect
• History of CFCs
• Ozone depletion by CFCs and the greenhouse effect
• Future refrigerants to replace CFCs