HVA 275 - Commercial Refrigeration

Description
This course is a study of operating systems and components used in commercial refrigeration systems with an emphasis on supermarket applications. This includes compressor control analysis, refrigerant usage, add-on mechanical subcooling systems, defrost systems, head pressure control and ice machine installation and operation.

Credit Hours: 3
Contact Hours: 4
Prerequisites/Other Requirements: None
English Prerequisite(s): None
Math Prerequisite(s): None
Course Corequisite(s): None
Academic Program Prerequisite: None
Consent to Enroll in Course: No Department Consent Required
Dual Enrollment Allowed?: No
Course Fees: $15.00
Number of Times Course can be taken for credit: 1
Programs Where This Course is a Requirement:
Heating, Ventilation, and Air Conditioning/Refrigeration Technology, A.A.A.S., Heating, Ventilation, and Air Conditioning/Refrigeration Technology Certificate

General Education Requirement:
None
General Education Learner Outcomes (GELO):
NA
Course Learning Outcomes:
1. Identify components and accessories of a commercial refrigeration system.

2. Describe the function, capacities and efficiencies of the components and accessories operating in a commercial refrigeration system.

3. Clearly and completely state and describe a problem/issue.

4. Use well-designed search strategies to gather data and information.
Course Outline:
I. Heat Loads for Perishable Items

II. Commercial Systems

III. Evaporators and Condensers

IV. Compressors and Metering Devices

V. Controls and Accessories

VI. Supermarket Refrigeration

VII. Retrofitting Systems

VIII. System Troubleshooting

IX. Ice Machine Operation

X. Walk-in Freezers and Coolers

XI. Compressor Controls

Approved for Online and Hybrid Delivery?:
Yes
Instructional Strategies:
Lecture: 40-60%

Lab: 40-60%
Mandatory Course Components:
None
Equivalent Courses:
None

Accepted GRCC Advanced Placement (AP) Exam Credit: None
AP Min. Score: NA
Name of Industry Recognize Credentials: None

Course prepares students to seek the following external certification:
No
Course-Specific Placement Test: None
Mandatory Department Assessment Measures:
None

Course Type:
Program Requirement- Offering designed to meet the learning needs of students in a specific GRCC program.
Course Format:
Lecture/Lab - Must meet Lecture & Lab Ratios
Total Lecture/Lab Hours Per Week: 4
People Soft Course ID Number: 101491
Course CIP Code: 47.9999
Maximum Course Enrollment: 24
High School Articulation Agreements exist?: No
If yes, with which high schools?: NA
Non-Credit GRCC Articulation Agreement With What Area: No
Identify the Non Credit Programs this Course is Accepted: NA

School: School of Business & Industry
Department: Applied Technology
Discipline: HVA
Faculty Credential Requirements:
Certification/License Requirement (list below), Master’s Degree (GRCC general requirement), Professionally qualified through work experience in field (Perkins Act or Other) (list below)
Faculty Credential Requirement Details:
The instructor should have a minimum of 2 years general trade related work experience and be certified in at least 2 catagories of Industry Competancy Exam (ICE), North American Technician Exelance (NATE), or be a Refrigeration Service Engineers Society (RSES) Certificate Member (CM).

Last Revision Date Effective: 20180302T09:26:55
Course Review & Revision Year: 2025-2026