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HV102 - Introduction to Refrigeration
Cengage Online Textbook Tutorial
How to Navigate Online Textbook and Access Codes (13:13)
Week 1 (May 20-24)
Lecture 1: Unit 4 (67:43)
Lecture 2: Unit 5 (48:42)
Quiz
Tools Lab Demonstration (12:15)
Lecture 3: Unit 6 (10:46)
Flaring & Swedging Lab Demonstration (13:46)
Review (5:37)
Week 1 Supplemental Content
Supplemental: Safety Tips and Taking Measurements (31:32)
Supplemental: Tools for New Technicians (65:16)
Revew 1: Fractions (8:37)
Review 2: Addition of Whole Numbers w/ Fractions (8:35)
Review 3: Using a Ruler with Fractions (6:55)
Review 4: Division and Multiplication of Whole Numbers (3:44)
Review 5: Addition of Fractions (9:35)
Review 6: Calculation of Percentage (7:10)
Review 7: Multiplication of Whole Numbers (6:38)
Week 1 Test
Test
Week 1 Grades
Quiz Grade
Test Grade
Week 2 (May 27-31)
Lecture 1: Unit 1.1 - 1.6 (70:16)
Lecture 2: Unit 1.7 - 1.13 (70:19)
Quiz
Lecture 3: Unit 7.1 - 7.19 (29:09)
Brazing Demonstration (15:49)
Review (6:32)
Supplemental: BTUs and Refrigeration Tonnage (22:57)
Supplemental: Heat Transfer (12:10)
Week 2 Test
Test
Week 2 Grades
Quiz Grade
Test Grade
Week 3 (June 3-7)
Lecture 1: Unit 2.1 - 2.5 (42:15)
Lecture 2: Unit 2.6 (31:54)
The Refrigeration Cycle (13:53)
Gauge Manifold Demonstration (12:11)
Quiz
Lecture 3: Unit 2.7-2.14 (60:35)
Data Plates & Gauge Manifold Demonstration (13:32)
EPA Section 608 Core Certification Preparation (61:43)
Review (8:30)
Supplemental: PT Chart Info (25:47)
Supplemental: Refrigeration Cycle (23:39)
Week 3 Test
Test
Week 3 Grades
Quiz Grade
Test Grade
Week 4 (June 10-14)
Lecture 1: Unit 3.1 - 3.5 (55:57)
Lecture 2: Unit 3.6 - 3.8 (27:54)
Weekly Reading
Quiz
Lecture 3: Unit 3.9 - 3.11 (32:22)
Superheat & Subcooling Calculations (30:01)
EPA Section 608 Type 1 Certification Preparation (29:34)
Test Review: Unit 3 (9:55)
Supplemental: Refrigeration Cycle 10 SEER R-22 Fixed Orifice (27:50)
Supplemental: How to Read Superheat & Subcooling (11:42)
Supplemental: Air Conditioning Pressures, Subcooling & Superheat (29:51)
Supplemental: Cutting Open Hermetic Compressors (7:27)
Week 4 Test
Test
Week 4 Grades
Quiz Grade
Test Grade
Week 5 (June 17-21)
Lecture 1: Unit 3.12 - 3.19 (38:11)
Lecture 2: Refrigerant Charge (159:30)
Lecture 3: Unit 3.20 - 3.21 (34:42)
Quiz
Charge Determination Demonstration (14:39)
EPA Section 608 Type 2 Certification Preparation (42:31)
Test Review (12:01)
Supplemental: Where to find leaks on AC Units (15:21)
Supplemental: Finding Target Superheat (10:58)
Supplemental: Field Practices for Refrigerant Recovery (25:34)
Week 5 Test
Test
Week 5 Grades
Quiz Grade
Test Grade
Week 6 (June 24-28)
Lecture 1: Unit 9.1 - 9.9 (63:49)
Lecture 2: Airflow & Troubleshooting (49:06)
Lecture 3: Unit 9.10 - 9.20 (53:06)
Quiz
21-Step Recovery Demonstration (14:04)
Unit 9 Test Review (3:56)
Supplemental: Why You Don't Hear About the Ozone Layer Anymore (10:19)
Supplemental: Refrigerant Types, Issues, & Their Effects on the Future (14:00)
Supplemental: A2L Refrigerant Safety (52:33)
EPA Section 608 Type 3 Certification Preparation (28:55)
Week 6 Test
Test
Week 6 Grades
Quiz Grade
Test Grade
Week 7 (July 1 -5)
Lecture 1: Unit 8.1 - 8.4 (52:33)
Lecture 2: Unit 8.4 - 8.7 (49:05)
Quiz
Lecture 3: Unit 8.7 - 8.9 (31:28)
Standing Pressure Test & Evacuation Demonstration (10:38)
Review: Unit 8 (9:23)
Supplemental: Leak Detection Tips! (18:52)
Supplemental: Full Evacuation Procedure (28:00)
Supplemental: Nitrogen Pressure Testing (13:55)
Week 7 Test
Test
Week 7 Grades
Quiz Grade
Test Grade
Week 8 (July 8-12)
Lecture 1: Unit 10.1 (54:48)
Lecture 2: Unit 10.2 - 10.7 (31:47)
Quiz
Lecture 3: Unit 10.8 (33:57)
Refrigerant Charging & Shutdown Demonstration (18:20)
Review: Unit 10 (3:43)
Supplemental: What is a King Valve? (5:50)
Supplemental: How to Add Refrigerant (21:47)
Supplemental: Charging Tips & Things to Keep in Mind (28:32)
Week 8 Test
Test
Week 8 Grades
Quiz Grade
Test Grade
Week 9 (July 15-19)
EPA Section 608: Introduction Part 1 (31:06)
Knowledge Check: Introduction Part 1
EPA Section 608: Introduction Part 2 (21:50)
Knowledge Check: Introduction Part 2
EPA Section 608: Core Part 1 (13:05)
Knowledge Check: Core Part 1
EPA Section 608: Core Part 2 (21:00)
Knowledge Check: Core Part 2
EPA Section 608: Core Part 3 (20:48)
Knowledge Check: Core Part 3
EPA Section 608: Core Part 4 (12:35)
Knowledge Check: Core Part 4
EPA Section 608: Core Part 5 (19:15)
Knowledge Check: Core Part 5
EPA Section 608: Core Part 6 (13:20)
Knowledge Check: Core Part 6
EPA Section 608: Core Part 7 (13:34)
Knowledge Check: Core Part 7
EPA Section 608: Core Part 8 (17:55)
Knowledge Check: Core Part 8
EPA Section 608: Type I Part 1 (21:44)
Knowledge Check: Type I Part 1
EPA Section 608: Type I Part 2 (19:41)
Knowledge Check: Type I Part 2
EPA Section 608: Type II Part 1 (26:15)
Knowledge Check: Type II Part 1
EPA Section 608: Type II Part 2 (19:31)
Knowledge Check: Type II Part 2
EPA Section 608: Type II Part 3 (35:17)
Knowledge Check: Type II Part 3
EPA Section 608: Type III Part 1 (26:32)
Knowledge Check: Type III Part 1
EPA Section 608: Type III Part 2 (18:26)
Knowledge Check: Type III Part 2
Quiz
Week 9 Test
Test
Week 9 Grades
Quiz Grade
Week 10 (July 22-26)
Review 1: Units 4 + 7 (5:37)
Review 2: Units 1 + 5 (6:33)
Review 3: Unit 2 (8:30)
Review 4: Unit 3 (9:56)
Review 5: Units 3 + 6 (12:02)
Review 6: Unit 9 (3:56)
Review 7: Unit 8 (9:23)
Review 8: Unit 10 (3:44)
Quiz
Week 10 Test
Test
Week 10 Grades
Quiz Grade
Test Grade
Supplemental: Why You Don't Hear About the Ozone Layer Anymore
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