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ACR 104 Residential Climate Control

This course will introduce the student to residential air conditioning and heat pump systems. Design characteristics, components, operation and service will be covered. Emphasis will be placed on proper installation and troubleshooting procedures.

Credits

5

Prerequisite

Prerequisite: ACR 101 and ACR 102

See Course Syllabus

Course Number and Title:

ACR 104 Residential Climate Control

Campus Location

  • Georgetown

Effective Date

2022-51

Prerequisites

Prerequisite: ACR 101 and ACR 102

Course Credits and Hours

5 credit(s)

4 lecture hours/week

4 lab hours/week

Course Description

This course will introduce the student to residential air conditioning and heat pump systems. Design characteristics, components, operation and service will be covered. Emphasis will be placed on proper installation and troubleshooting procedures.

Additional Materials

None

Required Text(s)

Obtain current textbook information by viewing the campus bookstore - https://www.dtcc.edu/bookstores online or visit a campus bookstore. Check your course schedule for the course number and section.

Disclaimer

None

Core Course Performance Objectives (CCPOs)

  1. Investigate the function of components used in air conditioning systems. (CCC 1, 4; PGC 2, 3, 4)
  2. Examine conditions that affect the operations and efficiency of air conditioning systems. (CCC 2, 6; PGC 4)
  3. Troubleshoot and service air conditioning and heat pump systems. (CCC 2, 3, 4, 5; PGC 3, 4, 6)
  4. Evaluate installation procedures and the operation of a typical air conditioner and heat pump system. (CCC 1, 2; PGC 1, 2, 5, 6, 7)

See Core Curriculum Competencies and Program Graduate Competencies at the end of the syllabus. CCPOs are linked to every competency they develop.

Measurable Performance Objectives (MPOs)

Upon completion of this course, the student will:

  1. Investigate the function of components used in air conditioning systems.
    1. Discuss the factors involved with providing body comfort.
    2. Describe how the body produces and rejects heat.
    3. Identify and describe the purpose of components used in air conditioning systems.
    4. Describe different types of air conditioning equipment.
    5. Identify different types of compressors used in air conditioning systems.
    6. Explain the proper installation and placement of air conditioning equipment, thermostats, and related controls.
    7. Explain the operation of low voltage thermostats.
    8. Discuss heating and cooling anticipators.
    9. Describe operating and safety controls.
  2. Examine conditions that affect the operations and efficiency of air conditioning systems.
    1. Describe terms used on a psychrometric chart.
    2. Graph air conditions on a psychrometric chart and interpret findings (e.g., relative humidity, dew point, and grains of moister per pound of dry air).
    3. Identify design conditions of air conditioning systems.
    4. Discuss the effects of different conditions on an air conditioning system.
    5. Describe the different efficiencies and how air conditioning equipment is rated.
    6. Discuss the different methods of charging procedures.
  3. Troubleshoot and service air conditioning and heat pump systems.
    1. Use refrigerant recovery equipment to meet industry standards.
    2. Evacuate a typical split system and monitor with a vacuum analyzer.
    3. Calculate and weigh charge for a split system air conditioner.
    4. Check system current draw, temperature drop, and system pressures on a typical central air conditioning system.
    5. Check system superheat and subcooling on a typical central air conditioning system and heat pump system in order to determine whether the systems are operating properly.
    6. Describe the performance of the heating and cooling cycle of an air-to-air heat pump.
    7. Diagnose the performance of the compressor and related starting components.
    8. Diagnose the performance of the low voltage circuit (including the transformer).
    9. Check line voltage controls (including fuses or circuit breakers).
    10. Confirm proper operation of defrost controls.
    11. Evaluate installation procedures and the operation of a typical air conditioner and heat pump system.
    12. Discuss the components of an air-to-air heat pump.
    13. Identify the conditions and ratings of heat pumps and the conditions of each mode of the heat pump system.
    14. Identify heat pump thermostats and related wiring of low voltage controls.
    15. Describe the different types of defrost systems and defrost controls.
    16. Describe charging methods for heat pump systems.
    17. Perform a leak check using nitrogen.
    18. Wire low voltage thermostats for proper operation of typical air conditioning and air-to-air heat pump systems.

Evaluation Criteria/Policies

The grade will be determined using the Delaware Tech grading system:

90-100 = A
80-89 = B
70-79 = C
0-69 = F
Students should refer to the Catalog/Student Handbook for information on the Academic Standing Policy, the Academic Integrity Policy, Student Rights and Responsibilities, and other policies relevant to their academic progress.

Final Course Grade

Calculated using the following weighted average

Evaluation Measure

Percentage of final grade

Quizzes (Formative) (equally weighted)

25%

Competency Exams (2) (Summative) (equally weighted)

40%

Lab Competency (Summative) (equally weighted)

25%

Case Study Sets (Summative) (equally weighted)

10%

TOTAL

100%

Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)

RHAAASRHA

  1. Demonstrate professional behaviors that satisfy workplace expectations and include adherence to safety and environmental concerns related to the field.
  2. Service commercial refrigeration and residential heating, ventilation, and air conditioning (HVACR) systems, and interpret related electrical wiring diagrams and schematics.
  3. Apply theories of electricity and high and low voltage controls to the HVACR field.
  4. Explain scientific principles as they relate to HVACR system operations.
  5. Safely use tools, instruments, and equipment related to the HVACR industry.
  6. Explain the principles of operation, service, and repair of residential HVACR and commercial refrigeration systems.
  7. Identify best practices for proper installation of HVACR equipment and systems.

Core Curriculum Competencies (CCCs are the competencies every graduate will develop)

  1. Apply clear and effective communication skills.
  2. Use critical thinking to solve problems.
  3. Collaborate to achieve a common goal.
  4. Demonstrate professional and ethical conduct.
  5. Use information literacy for effective vocational and/or academic research.
  6. Apply quantitative reasoning and/or scientific inquiry to solve practical problems.

Students in Need of Accommodations Due to a Disability

We value all individuals and provide an inclusive environment that fosters equity and student success. The College is committed to providing reasonable accommodations for students with disabilities. Students are encouraged to schedule an appointment with the campus Disabilities Support Counselor to request an accommodation needed due to a disability. The College's policy on accommodations for persons with disabilities can be found in the College's Guide to Requesting Academic Accommodations and/or Auxiliary Aids Students may also access the Guide and contact information for Disabilities Support Counselors through the Student Resources web page under Disabilities Support Services, or visit the campus Advising Center.

Minimum Technology Requirements

Minimum technology requirements for all distance education type courses.

Academic Integrity

https://dtcc.smartcatalogiq.com/Current/Catalog/Academics/Academic-Integrity

Attendance

https://dtcc.smartcatalogiq.com/Current/Catalog/Search?q=attendance

Cell phone/Electronic Device

https://dtcc.smartcatalogiq.com/Current/Catalog/Student-Policy/Cell-Phone-and-Electronic-Device-Policy

Tuition Adjustment Policy

https://dtcc.smartcatalogiq.com/Current/Catalog/Financial/Tuition-Fee-Adjustment-Policy-Course-or-Semester-Withdrawal