Troubleshooting and Red Seal Exam Preparation

The final course of the refrigeration and air conditioning mechanic program, followed through a fourth-year apprentice in Kitchener preparing for the Red Seal exam: how the exam is built and paced, a weighted study plan from the exam weightings, one diagnostic method for every system, refrigerant-side, electrical, air-side, heat pump, commercial and industrial faults, CSA B52, ODSHAR and O. Reg. 463/10 and safety review, the calculations most tested, exam technique and error logs, full mock exams and the final weeks before certification.

RAC-430 12 lessons · 3 h 26 min ▶ Video lessons coming soon

Offered by HSM University · Refrigeration and Air Conditioning

This is the Canadian version of this course. See the American version.

What you'll learn

  • Describe the Red Seal exam for refrigeration and air conditioning mechanics, including its format, pass mark and question types, and set pacing checkpoints for it
  • Use an exam blueprint and honest self-ratings to build a weighted, spaced study plan, and adjust it weekly against the evidence
  • Apply an eight-step diagnostic method to any refrigeration or air conditioning system, ranking possible causes by likelihood and time to check
  • Diagnose refrigerant-side faults from suction, head, superheat, subcooling and amps, and separate faults that look alike with confirmation tests
  • Diagnose supply, control circuit, switching, motor, capacitor, winding and electronic control faults safely and calculate the values the checks require
  • Diagnose airflow, reversing valve, defrost, supplementary heat and condensate faults in air conditioning and heat pump systems
  • Recognize faults in walk-ins, display cases, ice machines, racks, chillers and cooling towers, and respond safely to ammonia and carbon dioxide alarms
  • Explain the roles of CSA B52, ODSHAR, O. Reg. 463/10, the electrical and gas rules and occupational health and safety rules, and apply the requirements most often tested
  • Carry out the pressure, temperature, heat, capacity, electrical and fan law calculations most used on the exam, and check answers by estimation
  • Read multiple-choice questions accurately, eliminate distractors, manage time and keep an error log that directs further study
  • Run full mock exams under real conditions, interpret block scores, explain how chance affects scores near the pass mark and apply a readiness rule
  • Plan the final weeks and exam day, lead a service call from complaint to record, and plan continuing learning after certification

Course content

12 lessons · 3 h 26 min total · final exam

  1. 1 The Red Seal exam today and how it is built 17 min · quiz
  2. 2 Using the exam blueprint and building a study plan 17 min · quiz
  3. 3 A systematic diagnostic method for every system 18 min · quiz
  4. 4 Refrigeration circuit faults 18 min · quiz
  5. 5 Electrical and control faults 17 min · quiz
  6. 6 Air-side and heat pump faults 18 min · quiz
  7. 7 Commercial and industrial system faults 17 min · quiz
  8. 8 Codes, regulations and safety review 17 min · quiz
  9. 9 Theory and calculations review 17 min · quiz
  10. 10 Practice exam strategy and error logs 17 min · quiz
  11. 11 Full mock exams 16 min · quiz
  12. 12 The final weeks and certification 17 min · quiz
  13. E Final exam 20 questions

Requirements

Recommended background. You can start any course at any time.

Description

The final course of the refrigeration and air conditioning mechanic program, followed through a fourth-year apprentice in Kitchener preparing for the Red Seal exam: how the exam is built and paced, a weighted study plan from the exam weightings, one diagnostic method for every system, refrigerant-side, electrical, air-side, heat pump, commercial and industrial faults, CSA B52, ODSHAR and O. Reg. 463/10 and safety review, the calculations most tested, exam technique and error logs, full mock exams and the final weeks before certification.