COMMERCIAL AND INDUSTRIAL AIR CONDITIONING SYSTEMS
This course will equip trainees with the skills to competently work on commercial air-conditioning systems, as well as commission, carry out fault diagnostics and maintenance.
4 weeks (180 hours), 6 days a week
Monday – Friday: (8:00am – 5:00pm)
Saturdays: (8:00am – 1:00pm)
Maximum of 12 trainees per class
- Each trainee will be issued with a comprehensive folder of course notes, covering the scope of the course. The use of overhead projectors and power point presentations are employed throughout.
- Trainees are encouraged to ask questions and to take an active part in class discussions.
- 70 hours are dedicated to theoretical studies and approximately 110 hours in well-equipped dedicated workshops.
- Each trainee will be issued with hand tools and power tool required to do all practical tasks.
- The instructor demonstrates how to do the task to small groups, the number depending on how difficult the task is.
- One to one tuition is often provided.
- Introduction to the specialized tools required with the A/C trade
- Definitions & Terminology used within the trade
- Identification of refrigerants and their compositions
- Evacuation and charging of systems
- Refrigeration cycle
- Fault finding
- Observe health and safety
- Guidelines for transporting and storing of cylinders of refrigerant
- Interpret and follow drawings
- Assembly of the four basic components and other components used in AC
- Safely connect to an electrical supply
- Connect controllers, sensors and thermostats.
- Set and record settings and parameters
- Bend, flare and braze copper pipe
- Refrigerant oil types
- Pressure and leak testing
- Liquid charging
- Fault finding
On successful completion of this course each trainee will have a comprehensive understanding of the following;
- Site safety
- Safely move and store refrigerant cylinders
- Commercial refrigeration systems
- Assemble the four main components and other components of the refrigerant system
- Connect via an isolator to an electrical supply
- Set controls, sensors and thermostats
- Carry out pressure tests and leak tests
- Evacuate and charge the system
- Be familiar with refrigerant gases and refrigerant oil types
- Understand the different types of compressors, condensers, metering devices, evaporators and where they are employed
- Understand single and 3 phase motors and their starting
- Commission the system
- Fault find and maintenance
- Assessments are done by an independent assessor on completion of the module.
- Both theory and practical competency is examined. Trainees must pass both examinations for certificate to be issued.
Successful trainees are issued with a competency certificate accredited by CPD Certification Service.