Refrigeration Mechanic - Effective from January 19, 2025

The examination is 3 hours long. It contains 60 questions and each question is worth 1 point. The required passing grade is 60%. The materials for your use during the examination are provided to you. They are: a pencil, a paper sheet, a calculator and an eraser. No other material or reference document is allowed during the examination.

Skill Content on Which Questions May Be Based

Section 1 - Installing air conditioning and refrigeration systems (35%)

Planning the work:
- Interpret different types of drawings, specifications, schematics and electrical diagrams
- Apply appropriate safety measures
Installing bases, anchors and supports:
- Select, position and secure bases, anchors and supports

Installing equipment, piping and accessories for air conditioning and refrigeration systems:
- Select, position and anchor equipment
- Install refrigeration piping systems
- Install controllers and fluid circuit accessories
- Perform a brazing procedure
- Install and connect control accessories

Section 2 - Starting up Air Conditioning and Refrigeration System (35%)

Prepare for start-up:
- Leak-test and place the system under vacuum
- Add the refrigerant to the system
- Check and preset the various circuits (electrical, control, refrigerant, air and water) and components
Perform start-up:
- Start up the system
- Make final adjustments

Section 3 - Maintaining and repairing Air Conditioning and Refrigeration Systems (30%)

Maintaining air conditioning and refrigeration system:
- Perform maintenance on the various system components
- Carry out a refrigerant conversion (retrofit)
Diagnosing problems with functioning:
- Gather information
- Determine the nature and cause of problems
Carrying out necessary repairs:
- Shut down the system and take corrective action

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Refrigeration Mechanic - Effective from January 19, 2025

Section 1 - Installing air conditioning and refrigeration systems (35%)

Section 2 - Starting up Air Conditioning and Refrigeration System (35%)

Section 3 - Maintaining and repairing Air Conditioning and Refrigeration Systems (30%)

Suggested documentationThe suggested documents are an important tool to help you prepare for the examination. However, your best asset to write the exam successfully are the quality and diversity of the skills you have acquired during your apprenticeship.