NORTH CENTRAL TEXAS COLLEGE COURSE SYLLABUS
Course Title:
Commercial Refrigeration
Course Prefix & Number:
HART 2342
Section Number:
0180
Semester/Year:
S2/24
Semester Credit Hours:
3
Lecture Hours:
32
Lab Hours:
32
Semester Start and End Dates:
March 24, 2025 – May 16, 2025
Modality:
Hybrid (Online + In-Person Labs)
Course Schedule:
Online coursework; In-person LABS Thursday 6:00 PM – 10:00 PM
Location:
114 Campions Circle, Suite 101
Course Description (NCTC Catalog):
Theory and practical application in the maintenance of commercial refrigeration; medium and low temperature applications and ice machines.
Course Prerequisite(s):
Refrigeration Principles, Residential Air Conditioning
REQUIRED OR RECOMMENDED COURSE MATERIALS
- Fundamentals of HVACR (4th ed.) by Carter Stanfield & David Skaves. Boston: Pearson Education, Inc.
ISBN: 9780136840787
INSTRUCTOR INFORMATION
Instructor: Professor D. Peoples
Office Location: 114 Campions Circle, Suite 101
Phone: 940-453-0509
Email: DPeoples@nctc.edu
OFFICE HOURS
T–TH 10:00 AM – 1:00 PM & Fri 10:00 AM – 11:00 AM by appointment
SYLLABUS CHANGE DISCLAIMER
The faculty member reserves the right to make changes to this published syllabus if it is in the best interest of the educational development of this class. Any such changes will be announced as soon as possible in person and/or in writing.
SUMMARY OF COURSE ASSIGNMENTS
- Getting Started Quiz, Refrigeration Cycle Quiz
- Commercial Refrigeration Systems: Assignment, Quiz, Lab, Discussion
- Special Refrigeration Components: Assignment, Quiz, Lab
- Supermarket Equipment: Assignment, Quiz, Lab
- Refrigerants: Assignment, Quizzes
- Ice Machines: Assignment, Quiz, Labs
- Troubleshooting Refrigeration Systems: Assignment, Quiz, Labs
- Final Exam & Knowledge Assessments: 100 Questions randomly selected from all modules
- Review Questions & Discussions
Total Points: [Insert total when confirmed]
GENERAL DESCRIPTION OF SUBJECT MATTER FOR EACH LECTURE/DISCUSSION
| Topic |
Description |
| The Refrigeration Cycle |
Review of fundamental principles of the mechanical compression refrigeration cycle |
| Commercial Refrigeration |
High, medium, and low temperature refrigeration systems, multiple compressor operation, defrost systems |
| Supermarket Equipment |
Multiplex, distributed, secondary loop systems, racks, defrost systems, open display cases, CO2 cascade |
| Ice Machines |
Ice types and applications, sizing, cleaning, sequence of operations |
| Troubleshooting Systems |
Electrical troubleshooting, compressors, relays, capacitors, evaporators, condensers, leak detection |
FINAL GRADE SCALE
| Grade |
Percentage |
| A |
90 – 100% |
| B |
80 – 89% |
| C |
70 – 79% |
| D |
60 – 69% |
| F |
Below 60% |
LATE WORK POLICY
- Online assignments must be submitted on time regardless of class attendance
- Late assignments will not be accepted
- Incomplete assignments will not be accepted
Refer to Canvas for the complete course calendar, outline, and assignment descriptions.
COURSE POLICIES
Academic Integrity:
- Scholastic dishonesty includes cheating, plagiarism, academic falsification, intellectual property dishonesty, facilitation, and collusion
- First offense: 0 on the assignment
- Second offense: Reported to NCTC authorities, which may result in removal from the course and/or college
Attendance:
- Attendance is mandatory
- Absences are unauthorized unless verified by the instructor as illness/emergency
- Students must make arrangements in advance for missed tests/labs
- Persistent absences may result in withdrawal from the course
Lab Attire:
- No jewelry (rings, watches, etc.)
- Closed-toe leather shoes required
- Loose clothing, accessories, or hairstyles that present safety issues are prohibited
- Protective eyewear required
Failure to follow lab policies may result in a 0 for the assignment or removal from class
Withdrawal Policy:
- Students must submit a Withdrawal Request Form
- Last day to withdraw with a "W": April 21, 2024
STUDENT LEARNING OUTCOMES
- Explain and apply medium and low temperature systems operation
- Explain and apply ice machine and packaged refrigeration system operation
- Explain application and conversion procedures of refrigerants related to specific systems
Core Objectives:
- Critical Thinking
- Communication
- Empirical & Quantitative Skills
- Teamwork
- Social Responsibility
- Personal Responsibility
COLLEGE POLICIES
Student Handbook: Students are expected to follow all regulations found in the handbook
ADA Statement: NCTC complies with all applicable laws to ensure equal educational opportunity. Contact the Office for Students with Disabilities to request accommodations
Disability Services Contacts:
- Wayne Smith: (940) 498-6207
- Yvonne Sandman: (940) 668-4321
- Or visit Room 170 (Corinth) or Room 110 (Gainesville)
Student Services: A wide range of services and resources are available. See the Student Services Syllabus Addendum for links.
Important Program Note: All students completing a certificate or degree program must pass a capstone exam and lab practical. Schedule with the Division Chair and/or Faculty.
QUESTIONS, CONCERNS, OR COMPLAINTS
Chair/Coordinator:
Victor Drayton
Office Location: Gainesville CTC 2110
Phone: 940-668-7731
Email: VDrayton@nctc.edu
Instructional Dean:
Darrell D. Smith
Office Location: Gainesville CTC 2110
Phone: 940-668-7731 x4426
Email: ddsmith@nctc.edu