Examination Weightings

Pie Chart of Red Seal Examination Weightings

This pie chart represents a breakdown of the interprovincial Red Seal examination. Percentages are based on the collective input from workers from the trade from across Canada. The Task Matrix indicates the breakdown of tasks and sub-tasks within each Major Work Activity and the breakdown of questions assigned to the Tasks. The Interprovincial examination for this trade has 125 questions.

Refrigeration and Air Conditioning Mechanic - Task Matrix and Weightings

Major Work Activity A – Performs common occupational skills 8%

Task A-1 Maintains safe and healthy workplace 81%
- A-1.01 Maintains safe work environment
- A-1.02 Performs lock-out, tag-out and isolation procedures
- A-1.03 Uses personal protective equipment (PPE) and safety equipment
- A-1.04 Participates in healthy and respectful work environment
Task A-2 Maintains continuous learning 13%
- A-2.01 Upskills in new trade practices and procedures
- A-2.02 Upskills in emerging technologies
Task A-3 Uses communication and mentoring techniques 6%
- A-3.01 Uses communication techniques
- A-3.02 Uses mentoring techniques

Major Work Activity B – Performs routine trade activities 16%

Task B-4 Uses tools and equipment 24%
- B-4.01 Uses hand tools
- B-4.02 Uses portable and stationary power tools
- B-4.03 Uses piping and tubing connecting tools and equipment
- B-4.04 Uses recovery, recycling and charging tools and equipment
- B-4.05 Uses evacuation tools and equipment
- B-4.06 Uses diagnostic and measuring tools and equipment
- B-4.07 Uses electrical tools and equipment
- B-4.08 Uses access equipment
- B-4.09 Uses rigging, hoisting and lifting equipment
- B-4.10 Uses digital technology
Task B-5 Organizes work 21%
- B-5.01 Interprets drawings and specifications
- B-5.02 Uses reference material and documentation
- B-5.03 Plans job tasks and procedures
Task B-6 Performs work site preparation 19%
- B-6.01 Prepares work site
- B-6.02 Handles materials and supplies
Task B-7 Performs trade-specific activities 36%
- B-7.01 Connects piping and tubing
- B-7.02 Performs leak and pressure tests on systems
- B-7.03 Evacuates systems
- B-7.04 Uses refrigerants, gases and oils
- B-7.05 Performs field wiring of systems
- B-7.06 Applies sealants, adhesives and insulation

Major Work Activity C – Plans installation 13%

Task C-8 Plans installation of standard and high efficiency HVAC/R systems 34%
- C-8.01 Performs HVAC/R system design
- C-8.02 Selects HVAC/R equipment, components and accessories
- C-8.03 Determines placement of HVAC/R equipment, components and accessories
- C-8.04 Performs HVAC/R material take-off
Task C-9 Plans installation of control systems 28%
- C-9.01 Performs control system design
- C-9.02 Selects control system components and accessories
- C-9.03 Determines placement of control system components and accessories
- C-9.04 Performs control system material take-off
Task C-10 Plans retrofits 38%
- C-10.01 Analyzes energy efficiency of current system
- C-10.02 Determines requirements for retrofits
- C-10.03 Analyzes distribution requirements for retrofits
- C-10.04 Performs design and sizing of retrofit equipment and components
- C-10.05 Plans retrofit of control systems

Major Work Activity D – Performs installation 21%

Task D-11 Installs HVAC/R systems 63%
- D-11.01 Confirms system layout
- D-11.02 Assembles HVAC/R equipment, components and accessories
- D-11.03 Places HVAC/R equipment, components and accessories
- D-11.04 Retrofits HVAC/R equipment refrigerants and refrigerant oils
- D-11.05 Retrofits HVAC/R equipment, components and accessories
- D-11.06 Installs fasteners, brackets and hangers
- D-11.07 Installs HVAC/R piping and tubing
- D-11.08 Applies HVAC/R holding charge
Task D-12 Installs control systems 37%
- D-12.01 Places control system components
- D-12.02 Connects control systems
- D-12.03 Retrofits control systems

Major Work Activity E – Performs commissioning 17%

Task E-13 Commissions new and retrofitted HVAC/R and control system components 54%
- E-13.01 Performs pre-start-up checks for HVAC/R systems
- E-13.02 Performs start-up of HVAC/R systems
- E-13.03 Performs start-up checks for control systems
- E-13.04 Completes HVAC/R system charge
- E-13.05 Sets up primary and secondary HVAC/R system components
Task E-14 Verifies system performance 46%
- E-14.01 Verifies/sets operating parameters
- E-14.02 Verifies system integration
- E-14.03 Performs system optimization
- E-14.04 Completes commissioning documentation

Major Work Activity F – Performs maintenance and service 25%

Task F-15 Maintains HVAC/R systems 30%
- F-15.01 Inspects HVAC/R systems
- F-15.02 Performs predictive and scheduled maintenance on HVAC/R systems
- F-15.03 Tests HVAC/R system components and accessories
- F-15.04 Optimizes integrated system performance
Task F-16 Services HVAC/R systems 43%
- F-16.01 Troubleshoots HVAC/R systems
- F-16.02 Repairs HVAC/R systems
Task F-17 Maintains and services control systems 27%
- F-17.01 Performs maintenance and inspection on control systems
- F-17.02 Troubleshoots control systems
- F-17.03 Calibrates operating and safety controls
- F-17.04 Repairs control systems