Examination Weightings
Pie Chart of Red Seal Examination Weightings
Text version
- Major Work Activity A - Performs common occupational skills 10%
- Major Work Activity B - Performs routine trade activities 15%
- Major Work Activity C - Plans installation 14%
- Major Work Activity D - Performs installation 21%
- Major Work Activity E - Performs commissioning 17%
- Major Work Activity F - Performs maintenance and service 23%
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 following is the list of all of the Major Work Activities, Tasks and Sub-tasks. The percentages represent how the questions are assigned to each Major Work Activity and Task. Interprovincial examinations for this trade have 125 questions.
Refrigeration and Air Conditioning Mechanic - Task Matrix and Weightings
Major Work Activity A – Performs common occupational skills 10%
- Task A-1 Performs safety-related functions 24%
- A-1.01 Maintains safe work environment
- A-1.02 Performs lock-out, tagout and isolation procedures
- A-1.03 Performs lock-out, tagout and isolation procedures
- Task A-2 Uses tools and equipment 36%
- A-2.01 Uses hand tools
- A-2.02 Uses portable and stationary power tools
- A-2.03 Uses brazing and soldering equipment
- A-2.04 Uses recovery and recycling tools and equipment
- A-2.05 Uses evacuation tools and equipment
- A-2.06 Uses charging tools and equipment
- A-2.07 Uses diagnostic and measuring tools and equipment
- A-2.08 Uses access equipment
- A-2.09 Uses rigging, hoisting and lifting equipment
- A-2.10 Uses digital technology
- Task A-3 Organizes work 24%
- A-3.01 Interprets drawings and specifications
- A-3.02 Uses documentation and reference material
- A-3.03 Plans job tasks and procedures
- Task A-4 Uses communication and mentoring techniques 16%
- A-4.01 Uses communication techniques
- A-4.02 Uses mentoring techniques
Major Work Activity B – Performs routine trade activities 15%
- Task B-5 Performs work site preparation 25%
- B-5.01 Prepares work site
- B-5.02 Handles materials and supplies
- Task B-6 Performs trade activities 75%
- B-6.01 Performs brazing and soldering
- B-6.02 Performs leak and pressure tests on system
- B-6.03 Evacuates systems
- B-6.04 Uses refrigerants, gases and oils
- B-6.05 Performs field wiring of systems
- B-6.06 Applies sealants and adhesives
Major Work Activity C – Plans installation 14%
- Task C-7 Plans installation of HVAC/R systems 62%
- C-7.01 Verifies HVAC/R system parameters and requirements
- C-7.02 Selects HVAC/R equipment, components and accessories
- C-7.03 Determines placement of HVAC/R equipment, components and accessories
- C-7.04 Performs HVAC/R material take-off
- Task C-8 Plans installation of control systems 38%
- C-8.01 Verifies control system parameters and requirements
- C-8.02 Selects control system components and accessories
- C-8.03 Determines placement of control system components and accessories
- C-8.04 Performs control system material take-off
Major Work Activity D – Performs installation 21%
- Task D-9 Installs HVAC/R systems 62%
- D-9.01 Confirms system layout
- D-9.02 Assembles HVAC/R equipment, components and accessories
- D-9.03 Places HVAC/R equipment, components and accessories
- D-9.04 Installs fasteners, brackets and hangers
- D-9.05 Installs HVAC/R piping and tubing
- D-9.06 Applies HVAC/R holding charge
- Task D-10 Installs control systems 38%
- D-10.01 Places control system components
- D-10.02 Connects control systems
Major Work Activity E – Performs commissioning 17%
- Task E-11 Commissions HVAC/R systems 61%
- E-11.01 Performs pre-start-up checks for HVAC/R systems
- E-11.02 Performs start-up of HVAC/R systems
- E-11.03 Completes HVAC/R system charge
- E-11.04 Sets up primary and secondary HVAC/R system components
- Task E-12 Commissions control systems 39%
- E-12.01 Performs start-up checks for control systems
- E-12.02 Verifies/sets operating parameters
Major Work Activity F – Performs maintenance and service 23%
- Task F-13 Maintains HVAC/R systems 30%
- F-13.01 Inspects HVAC/R systems
- F-13.02 Performs predictive and scheduled maintenance on HVAC/R systems
- F-13.03 Tests HVAC/R system components and accessories
- Task F-14 Services HVAC/R systems 40%
- F-14.01 Troubleshoots HVAC/R systems
- F-14.02 Repairs HVAC/R systems
- Task F-15 Maintains and services control systems 30%
- F-15.01 Performs maintenance and inspection on control systems
- F-15.02 Troubleshoots control systems
- F-15.03 Calibrates operating and safety controls
- F-15.04 Repairs control systems