AIRC 138 Ammonia Refrigeration

A study covering the special applications of the Ammonia refrigeration cycle such as multiple evaporators, special defrost, ultra-low temperature, cascade systems, multiple compressors, and head pressure control in ambient and various load conditions. Special refrigerant controls such as evaporator pressure regulators, expansion valves, and compressor unloading valves will be studied

Credits

8

Semester Contact Hours Lecture

80

Semester Contact Hours Lab

80

General Education Competency

[GE Core type]

Notes

Program Application Required

AIRC 138Ammonia Refrigeration

Please note: This is not a course syllabus. A course syllabus is unique to a particular section of a course by instructor. This curriculum guide provides general information about a course.

I. General Information

Department

Trades and Industry

II. Course Specification

Course Type

Program Requirement

General Education Competency

[GE Core type]

Credit Hours Narrative

8

Semester Contact Hours Lecture

80

Semester Contact Hours Lab

80

Notes and Advisories (only if included in catalog)

Program Application Required

Repeatable

N

III. Catalog Course Description

A study covering the special applications of the Ammonia refrigeration cycle such as multiple evaporators, special defrost, ultra-low temperature, cascade systems, multiple compressors, and head pressure control in ambient and various load conditions. Special refrigerant controls such as evaporator pressure regulators, expansion valves, and compressor unloading valves will be studied

IV. Student Learning Outcomes

Upon completion of this course, a student will be able to:

• Demonstrate a working knowledge of the electrical system of an Ammonia Refrigeration system
• Demonstrate a working- knowledge of the basic components that make up an Ammonia Refrigeration system
• Demonstrate a working knowledge of refrigerant control devices used in Ammonia Refrigeration systems
• Understand basic diagnostic procedures
• Demonstrate critical thinking and problem solving in diagnosing systems
• Lay-out and fabricate a sheet-metal fitting

V. Topical Outline (Course Content)

Evaporators and the Refrigeration System Condensers High-Pressure, Low-Pressure and Absorption Chilled Water Systems Cooling Tower and Pumps Operation, Maintenance, and Troubleshooting of Chilled-Water Air-Conditioning Systems

VI. Delivery Methodologies

Required Assignments

Questions from end each unit covered in text and lab manual Troubleshooting exercises from computerized simulations Lab handouts per instruction

Required Exams

Successful completion of Lab Tasks Successful completion of Lab handouts and assignments Successful completion of Text assignments Successful completion of exams Attendance

Required Text

Refrigeration and Air Conditioning Technology 7th Edition text Refrigeration and Air Conditioning Technology 7th Edition lab manual

Specific Course Activity Assignment or Assessment Requirements

Questions from end each unit covered in text and lab manual Troubleshooting exercises from computerized simulations Lab handouts per instruction Successful completion of Lab Tasks Successful completion of Lab handouts and assignments Successful completion of Text assignments Successful completion of exams Attendance