Spring 2024 Course Syllabus
Course: HART-2342 (Section: 71, CRN: 10235)
Commercial Refrigeration
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Instructor Information
Instructor Javier Chavez
Email chavezja@lamarpa.edu
Phone (409) 984-6229
Office Madison Monroe Education - Room: 228
Office Hours Monday 5:30pm-8:30pm
Additional Contact Information
Course Information
Description Theory and practical application in the maintenance of commercial refrigeration; medium, and low temperature applications and ice machines.
Required Textbooks Textbook Purchasing Statement: A student attending Lamar State College Port Arthur is not under any obligation to purchase a textbook from the college-affiliated bookstore. The same textbook may also be available from an independent retailer, including an online retailer.

Modern Refrigeration and Air Conditioning. 21th Edition by Goodheart -Wilcox Althouse /Turnquist/ Bracciano Modern Refrigeration and Air Conditioning 21th Lab Manual and Workbook. Goodheart - Wilcox Althouse /Turnquist/ Bracciano
Additional Materials/Resources None.
Corequisites/Prerequisites Commercial Refrigeration - 10236 - HART 2342 - 51
Learning Outcomes 1. Explain and apply medium and low temperature systems operation. 2. Explain and apply ice machine and packaged refrigeration system operation. 3. Explain application and conversion procedures of refrigerants related to specific systems.
Program Student Learning Outcomes PSLO 1. Demonstrates environmental safety practices. PSLO 2. Troubleshoots, services, and repairs air conditioning, heating, and refrigeration systems. PSLO 3. Performs technician duties safely. PSLO 4. Works effectively as a team member.
Lecture Topics Outline Commercial Refrigeration Explain the difference between the mechanism of commercial refrigeration system and domestic system. Compare the differences between various commercial mechanisms. Describe how each mechanism (condenser, evaporator, and compressor) operates. Discuss the theory and operation of controls devices. Follow approved safety procedures.
Major Assignments Schedule Week 1 Principles of Cooling and Humidity Control lab. Week 2 Room Air Conditioners lab. Week 3 Packaged Terminal Air Conditioners lab. Week 4 Console Air Conditioners lab. Week 5 Portable Air Conditioners lab. Week 6 Split Air-Conditioning System lab. Week 7 Comfort Cooling Controls lab. Week 8 Installing Central Air Conditioning lab. Week 9 Ductless Split System lab. Week 10 Rooftop and Outdoor Units lab. Week 11 Variable Refrigeration Flow lab. Week 12 Humidity Levels and Comfort lab. Week 13 Servicing and Installing Humidifiers lab. Week 14 Digital and Programmable Thermostats lab. Week 15 Calculating Heat Leakage lab. Week 16 Chiller Systems lab.
Final Exam Date January 16, 2024 - 5:30 PM   Through  May 12, 2024 - 8:30 PM
Grading Scale 90 - 100=A 80 - 89=B 70 - 79=C 60 - 69=D Below 59 = F
Determination of
Final Grade
Tests- 40%, Quizzes- 25%, Labs 25%, Final Exam- 10%
Course Policies
Instructor Policies 1. Students must have close toed shoes. 2. No eating are drinking in class room 3. Students are graded on participation, if a student is absent he/she can not get participation grade there for will result in a 0 for that class period. 4. Customers will expect Techs to act professional and talk professional. Cursing and profanity will not be allowed in class.
Attendance Policy Research has shown a cause and effect relationship between attendance and college success. Missing a day of lecture can possible cause you to drop a letter grade on tests. 1. Tardiness: Tardiness (more than 5mins), for lectures or labs, 2 Tardies will count as an Absence. 2. Absences: NOTE: Excused absences (verifiable) are only allowed for, an illness that requires a hospital stay or a death in your immediate family, excluding aunts, uncles, cousins, nieces and nephews. 5 absences=drop 1 letter grade, 7 absences=drop 2 letter grades, 9-absences=drop 3 letter grades, 11 absences=F 3. A student with Perfect attendance will receive 15 bonus points added to your test points total at the end of the semester.
Additional Information
Institutional Policies
MyLSCPA Be sure to check your campus email and Course Homepage using MyLSCPA campus web portal. You can also access your grades, transcripts, academic advisors, degree progress, and other services through MyLSCPA.
Academic Honesty Academic honesty is expected from all students, and dishonesty in any form will not be tolerated. Please consult the LSCPA policies (Academic Dishonesty section in the Student Handbook) for consequences of academic dishonesty.
ADA Considerations The Americans with Disabilities Act (ADA) is a federal anti-discrimination statute that provides comprehensive civil rights for persons with disabilities. Among other things, this legislation requires that all students with disabilities be guaranteed a learning environment that provides for reasonable accommodation of their disabilities. If you believe you have a disability requiring an accommodation, please contact the the Office for Disability Services Coordinator, Room 231, in the Madison Monroe Building. The phone number is (409) 984-6241.
COVID 19 Information The Lamar State College Port Arthur (LSCPA) Student Code of Conduct COVID 19 Policy requires students who have been diagnosed with COVID 19 to report their condition directly to their local health department. Students should also contact their course faculty to report their quarantine status. In addition, this policy requires all students to wear face coverings when directly exposed to COVID 19 in compliance with the criteria included in the policy. For more information please refer to the COVID 19 link on the LSCPA website.
Facility Policies No food or tobacco products are allowed in the classroom. Only students enrolled in the course are allowed in the classroom, except by special instructor permission. Use of electronic devices is prohibited.
HB 2504 This syllabus is part of LSCPA's efforts to comply with Texas House Bill 2504.
Mandatory Reporting of Child Abuse and Neglect As per Texas law and LSCPA policy, all LSCPA employees, including faculty, are required to report allegations or disclosures of child abuse or neglect to the designated authorities, which may include a local or state law enforcement agency or the Texas Department of Family Protective Services. For more information about mandatory reporting requirements, see LSCPA's Policy and Procedure Manual.
Title IX and Sexual Misconduct LSCPA is committed to establishing and maintaining an environment that is free from all forms of sex discrimination, including sexual harassment, sexual violence, and other forms of sexual misconduct. All LSCPA employees, including faculty, have the responsibility to report disclosures of sexual misconduct, including sexual harassment, sexual assault (including rape and acquaintance rape), domestic violence, dating violence, relationship violence, or stalking, to LSCPA's Title IX Coordinator, whose role is to coordinate the college's response to sexual misconduct. For more information about Title IX protections, faculty reporting responsibilities, options for confidential reporting, and the resources available for support visit LSCPA's Title IX website.
Clery Act Crime Reporting For more information about the Clery Act and crime reporting, see the Annual Security & Fire Safety Report and the Campus Security website.

Grievance / Complaint / Concern If you have a grievance, complaint, or concern about this course that has not been resolved through discussion with the Instructor, please consult the Department Chair.
Department Information
Inmate Instruction
Chair:Sheila Guillot
Email:guillsr@lamarpa.edu
Phone:(409) 984-6381