CLCT 2300 - Refrigeration 2

Credit Hours: 3.00

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.

• 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.

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