Jan 26, 2022  
College Catalog 2021-2022 
    
College Catalog 2021-2022
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CLCT 2300 - Refrigeration 2

Credit Hours: 3.00


Prerequisites: CLCT 1300 , CLCT 1650 , and CLCT 1750 ; or related work experience

Commercial refrigeration systems: application, calculation of heat loads, installation, piping and service. Includes operating and testing of low and medium temperature and multiple systems.

Billable Contact Hours: 4

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OUTCOMES AND OBJECTIVES
Outcome 1: Upon completion of this course, students will install basic components of basic commercial, industrial, and institutional refrigeration units to manufacturers’ literature.

Objectives:

  1. Install components of commercial refrigeration units.
  2. Install components of industrial refrigeration units.
  3. Install components of institutional refrigeration units.

Outcome 2: Upon completion of this course, students will be able to troubleshoot and repair HVACR units according to manufacturers’ literature.

Objectives:

  1. Troubleshoot commercial referation systems.
  2. Troubleshoot industrial refrigeration systems.

Outcome 3: Upon completion of this course, students will perform heat load calculations using various products so as to size refrigeration units properly according to the American Society of Heating, Refrigeration, and Air Conditioning Engineers. (ASHRAE)

Objectives:

  1. Calculate a heat load for walk-in cooler.
  2. Select referigeration equipment based on a heat load computation for a walk-in cooler.
  3. Size refrigerant piping for a commercial refrigeration systerm.

COMMON DEGREE OUTCOMES (CDO)
• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.

CDO marked YES apply to this course:
Critical Thinking: YES
Information Literacy: YES
Quantitative Reasoning: YES
Scientific Literacy: YES

COURSE CONTENT OUTLINE

  1. Refrigeration Process
    1. What is the refrigeration process?
    2. Latent heat
    3. Specific Heat
    4. Superheat and Subcooling
    5. Refrigerant Cycle
  2. Tools and Supplies
    1. Piping
    2. Fittings
    3. Gauges
    4. Refrigeration Oils
    5. Charging Cylinders
    6. Solvents
  3. Compressors
    1. Types
    2. Condensing Units
    3. Compressor Unloaders
    4. Rotary
    5. Helical
    6. Ammonia
    7. Centrifugal
  4. Evaporators
    1. Defrosting
    2. Heat Exchanging
    3. Selecting
    4. Performance
    5. Liquid Chilling
    6. Secondary Refrigerants
  5. Condensers and Water Economizers
    1. Air Cooled
    2. Water Cooled
    3. Evaporative Condensers
    4. Maintenance
  6. Metering Devices
    1. Types
    2. Ammonia Types
  7. Refrigerant Piping
    1. Piping Functions
    2. Accessories
    3. System Practices For Ammonia
    4. Defrost Systems
    5. Super Market
    6. Autoflow
    7. Secondary
  8. Electrical Components
    1. Load Devices
    2. Oil Lubrication Controls
    3. Switches
  9. Refrigeration Equipment
    1. Classifications
  10. Wire Diagrams and Control Circuits
    1. Commercial Units
  11. Installation and Operation
    1. Commercial Units
  12. Service
    1. Commercial Units
  13. Troubleshooting
    1. Commercial Units
  14. Applications
    1. Food
    2. Trans port
    3. Low Temp
    4. Medium Temp
    5. High Temp
  15. Calculating Refrigeration Loads
    1. Commercial
  16. Final Exam

Primary Faculty
Marlow, Douglas
Secondary Faculty

Associate Dean
Pawlowski, Timothy
Dean
Hutchison, Donald



Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088



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