HVAC 2215 Coolers/Freezers Refrigeration Diagnostics & Operations
Course Information
| Course Number | HVAC 2215 |
|---|---|
| Course Title | Coolers/Freezers Refrigeration Diagnostics & Operations |
| Description | This course will cover both commercial coolers and freezers. We will discuss the operation of the refrigeration sealed system and analyze how to diagnose system failures and their causes. The student will learn the proper way to recover and charge a commercial refrigeration unit. The students will study and follow EPA regulations regarding the handling of refrigerants. Proper safety and troubleshooting techniques will be followed. To be successful in this course, you should have knowledge in electrical circuits, refrigeration theory, and refrigeration controls. |
| Total Credits | 3 |
| Total Hours | 80 |
| Instruction Type | Credits and Hours |
|---|---|
| Lecture | 1 Credit, 27 Hours |
| Lab | 2 Credits, 53 Hours |
Pre/Corequisites
Prerequisite: HVAC2120
Institutional Core Competencies
- Cultural Competence - Students will be able to demonstrate an attitude of personal curiosity, a rising knowledge of cultures, and an evolving range of skills for living and working among others with other worldviews and ways of life.
- Communication - Students will be able to demonstrate appropriate and effective interactions with others to achieve their personal, academic, and professional objectives.
- Civic Engagement and Social Responsibility - Students will be able to demonstrate the ability to engage in the social responsibilities expected of a community member.
- Critical and Creative Thinking - Students will be able to demonstrate purposeful thinking with the goal of using a creative process for developing and building upon ideas and/or the goal of using a critical process for the analyzing and evaluating of ideas.
Course Competencies
- Examine safety requirements while working with refrigerants.
- Examine refrigerants used for medium & low temperature applications.
- Examine different defrost methods for commercial units.
- Examine the access valves and stem positions.
- Demonstrate installing and removal of refrigerant gauges correctly.
- Explain the pump-down procedure and function.
- Analyze refrigerant components that are only found on commercial units.
- Measure proper refrigerant charge in a walk-in unit.
- Examine reasons for sealed system failures.
- Diagnose refrigeration sealed system failures on commercial units.
SCC Accessibility Statement
South Central College strives to make all learning experiences as accessible as possible. If you have a disability and need accommodations for access to this class, contact the Academic Support Center to request and discuss accommodations.
North Mankato: Room B-132, (507) 389-7222; Faribault: Room A-116, (507) 332-7222.
Additional information and forms can be found at: southcentral.edu/disability
This material can be made available in alternative formats by contacting the Academic Support Center at 507-389-7222.