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HVAC/R Mechanic, 313A，NOC 7313
Introduction
1. 60 Must-know Concepts to Master for the Refrigeration & A/C Mechanic Red Seal License Exam
2. 1. SAFETY
3. 2. SCOPE OF THE REFRIGERATION AND AIR CONDITIONING MECHANIC TRADE
4. 3. OCCUPATIONAL OBSERVATIONS
5. 4. ESSENTIAL SKILLS SUMMARY
6. 5. BLOCK A COMMON OCCUPATIONAL SKILLS
7. 6. Task 1 Performs safety-related functions.
8. 7. A-1.01 Maintains safe work environment.
9. 8. A-1.02 Performs lock-out, tag-out and isolation procedures
10. 9. A-1.03 Uses personal protective equipment (PPE) and safety equipment.
11. 10. Task 2 Uses and maintains tools and equipment.
12. 11. A-2.01 Maintains hand tools
13. 12. A-2.02 Maintains portable and stationary power tools.
14. 13. A-2.03 Maintains brazing and soldering equipment
15. 14. A-2.04 Maintains recovery and recycling equipment.
16. 15. A-2.05 Maintains evacuation tools and equipment.
17. 16. A-2.06 Maintains charging tools and equipment
18. 17. A-2.07 Maintains diagnostic and measuring tools and equipment
19. 18. A-2.07 Maintains diagnostic and measuring tools and equipment
20. 19. A-2.08 Uses access equipment.
21. 20. A-2.09 Uses rigging, hoisting and lifting equipment.
22. 21. A-2.10 Uses digital technology
23. 22. Task 3 Organizes work
24. 23. A-3.01 Interprets codes, regulations and procedures
25. 24. A-3.02 Interprets blueprints and specifications
26. 25. A-3.03 Uses documentation and reference material
27. 26. A-3.04 Plans job tasks and procedures
28. 27. A-3.05 Communicates with others
29. 28. BLOCK B ROUTINE TRADE ACTIVITIES
30. 29. Task 4 Performs work site preparation
31. 30. B-4.01 Prepares work site
32. 31. B-4.02 Handles materials and supplies
33. 32. B-4.03 Installs fasteners, brackets and hangers.
34. 33. Task 5 Performs routine trade activities
35. 34. B-5.01 Uses refrigerants, gases and oils
36. 35. B-5.02 Performs brazing and soldering
37. 36. B-5.03 Performs leak and pressure tests on system.
38. 37. B-5.04 Evacuates systems
39. 38. B-5.05 Performs field wiring of systems
40. 39. B-5.06 Applies sealants and adhesives
41. 40. BLOCK C INSTALLATION PLANNING
42. 41. Task 6 Plans installation of HVAC/R systems.
43. 42. C-6.01 Verifies HVAC/R system parameters and requirements.
44. 43. C-6.02 Selects HVAC/R equipment, components and accessories.
45. 44. C-6.03 Determines placement of HVAC/R equipment, components and accessories.
46. 45. C-6.04 Performs HVAC/R material take-off
47. 46. Task 7 Plans installation of control systems
48. 48. C-7.01 Verifies control system parameters and requirements
49. 49. C-7.02 Selects control system components and accessories
50. 50. C-7.03 Determines placement of control system components and accessories.
51. 51. C-7.04 Performs control system take-off.
52. 52. BLOCK D INSTALLATION
53. 53. Task 8 Installs HVAC/R systems.
54. 54. D-8.01 Confirms system layout.
55. 55. D-8.02 Assembles HVAC/R equipment, components and accessories.
56. 56. D-8.03 Places HVAC/R equipment, components and accessories.
57. 57. D-8.04 Installs HVAC/R piping and tubing.
58. 58. D-8.05 Applies HVAC/R holding charge
59. 59. Task 9 Installs control systems
60. 60. D-9.01 Places control system components
61. 61. D-9.02 Connects system wiring and control tubing.
62. 62. BLOCK E COMMISSIONING
63. 63. Task 10 Commissions HVAC/R systems.
64. 64. E-10.01 Performs pre-start-up checks for HVAC/R systems.
65. 65. E-10.02 Performs start-up of HVAC/R systems.
66. 66. E-10.03 Completes HVAC/R system charge.
67. 67. E-10.04 Sets up primary and secondary HVAC/R components.
68. 68. Task 11 Commissions control systems
69. 69. E-11.01 Performs start-up checks for control systems.
70. 70. E-11.02 Verifies/sets operating parameters
71. 71. BLOCK F MAINTENANCE AND SERVICE
72. 72. Task 12 Maintains HVAC/R systems
73. 73. F-12.01 Inspects HVAC/R systems
74. 74. F-12.02 Performs predictive and scheduled maintenance on HVAC/R systems
75. 75. F-12.03 Tests HVAC/R system components and accessories.
76. 76. Task 13 Services HVAC/R systems
77. 77. F-13.01 Troubleshoots HVAC/R systems.
78. 78. F-13.02 Repairs HVAC/R systems.
79. 79. Task 14 Maintains and services control systems.
80. 80. F-14.01 Performs maintenance on control systems.
81. 81. F-14.02 Troubleshoots control systems
82. 82. F-14.03 Repairs control systems.
83. 83. F-14.04 Calibrates operating and safety controls
84. 84. APPENDIX A TOOLS AND EQUIPMENT
85. 85. APPENDIX B GLOSSARY
86. 86. APPENDIX C ACRONYMS
87. 87. APPENDIX D BLOCK AND TASK WEIGHTING
88. 88. APPENDIX E PIE CHART*
89. 89. APPENDIX F TASK PROFILE CHART — Refrigeration and Air Conditioning Mechanic
Finish
HVAC/R Mechanic, 313A，NOC 7313
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