Oklahoma State University Institute of Technology
Face-to-Face Common Syllabus
Fall and 2015
ACR 2406 Commercial Refrigeration Applications
Applies to the selection, calibration, servicing, installation, application and operation of
commercial refrigeration systems and display cases. Also, included: adjustment of temperature,
pressure, defrost controls, load calculations, pipe sizing and bidding procedures. Diagnosis and
troubleshooting electrical and pressure operated devices are included.
Prerequisites: ACR 1126, ACR 1343, ACR 1344. Offered in the spring and fall semesters.
Type of course: Theory/Lab
Credit Hours: 6;
Total hours of theory per semester: 46.2;
Total hours of lab for the semester: 92.4;
Class length – Full Semester
Class days and times: MWF; 7:30-10:50
Prerequisites: ACR 1126, ACR 1343, ACR 1344.
Instructor Name: Matthew Davis
Instructor Phone: (918) 293-5318
Office: #4 in Bldg. #315
Instructor email: matthew.davis@okstate.edu
Contact: My preferred method of contact is email.
Please allow 24-48 hours to return your correspondence during the normal work week.
Instructor's Office Hours: 1st 7 weeks: 10:50-11:30 Monday & Wednesday
8:30-11:30 Tuesday & Thursday
10:50-11:30 Friday
nd
2 8 weeks: 7:30-11:30 Tuesday & Thursday
12:30-1:30 Monday through Friday
Division Name: Construction
Division’s Main Phone: 918-293-5304
REQUIRED TEXT, REFERENCES, AND MATERIALS
Texts:
Commercial Refrigeration Applications Manual, ACR Depart. OSUIT $25.00
References: Refrigeration and Air Conditioning Technology 7th Edition $150.00
ISBN#978-1-111-64447-5 (you should have this)
Materials:
notebook, paper, writing utensils, highlighter, project supplies, tools, usb memory
drive, template, colored pencils or different colored highlighters etc. $25.00
Uniform/Tools: Proper work clothes and Toolbox (you should already have)
Estimated Cost for Materials:
$200
Estimated Cost for Uniform/Tools:
$650.00 for ACR toolbox (should already have)
Updated: August 25, 2015
Page 1 of 7
Upon completion of the course, students should:
Course Objectives
Assessment of Objectives
* Demonstrating the ability to troubleshoot commercial electrical systems
* Perform Commercial defrost control comparisons
70% on ACR 2406 Lab Manual
70% on ACR 2406 Lab Manual
* Diagnose and evaluate EPR & CPR pressure controls
70% on ACR 2406 Lab Manual
70% on ACR 2406 Lab Manual
* Perform system analysis on Commercial Rack system
* Produce Rack system piping diagram
70% on ACR 2406 Lab Manual
* Adjust Temperature, pressure and defrost controls to industry set points
70% on ACR 2406 Lab Manual
70% on ACR 2406 Lab Manual
* Produce wiring diagrams for each lab job completed
70% on ACR 2406 Lab Manual
* Produce Piping diagrams for each lab job completed
70% on ACR 2406 Lab Manual
* Complete analysis on Cascade system
Aspects of the course objective assessments may be used in the university’s assessment of
student learning. If applicable, an asterisk (*) above indicates this course is used in the
university assessment program.
COURSE ACTIVITIES
In this course students will:
Upon completion of this course, students should be able to
1. Analyze…a commercial refrigeration
system
2. Plan…how to repair or service system
3. Apply…knowledge of system
4. Demonstrate…ability to work on system
5. Prepare…diagrams and lab assignments
6. Utilize…time wisely
7. Follow… ACR Department Dress code
Updated: August 25, 2015
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EVALUATION - GRADES WILL BE BASED ON THE QUALITY AND COMPLETION
OF THESE TASKS: (NOTE-Please indicate the course specific evaluations.)
OSUIT
Grading Scale
Pop Quizzes, Homework Projects
Notebooks & Exams…………..45%
Lab Jobs accomplished..............45%
Participation…………………...10%
A = 90%-100%
B = 80%-89%
C = 70%-79%
D = 60%-69%
F = 59% & below
*The student’s grade for this assignment will be used in the university’s assessment of student
learning. A 70% competency or higher receives a Pass rating. This Pass/Fail rating is
independent of the student’s course grade.
Daily and/or weekly quizzes, small weekly assignments and similar type projects: Normal return
time to student by next class meeting or no later than one (1) week.
Extensive assignments, large lab projects, extensive quizzes, exams and similar type projects:
Normal return time to students in one (1) to two (2) weeks.
AUTHORIZED TOOLS
Any tools that Mr. Davis authorizes to use to finish assignments, tests, or lab jobs.
LATE WORK
Homework will be due on the date the instructor assigns.
Homework answers shall be written by hand, not computer generated!
Late homework will be assessed a 10% off late charge per day.
Tests will be taken on date they are given. Make up tests will have an assessed a 10% off late
charge per day.
Lab jobs will be accomplished in the manner which the lab book specifies. This could also
include any additional work the instructor asks the student to do in lab. Lab job grade will
depend on overall number of lab job points completed by student(s).
Lab point scale will be posted in lab; room #103
Participation points are 3 points per day for a total of 126
Notebooks will be picked up on 12-08-14 for grading. Any handouts or homework or tests, etc…
should be in there.
Use of Cell phones or any other electrical devices will not be tolerated. You need to put
your phone on silent, and if you need to answer it go out into the hall and do so. Please
refrain from TEXTING during lecture. I will take points away. I also have the right to have
you place your cell phone at the front of the class in either the silent or off position if need
be.
TESTING
Testing will be conducted in a quiet setting. Any questions need to address to Mr. Davis not your
fellow students(s). No Googling the answer!
There will be a closed book and open book section. Unless instructed by Mr. Davis
Updated: August 25, 2015
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UNIVERSITY & COURSE EXPECTATIONS
It is the responsibility of each OSUIT student to read, abide by and maintain a copy of the
syllabus for this course. Syllabi are available on the OSUIT website.
Students understand that excerpts or portions of their work may be utilized for institutional
assessment purposes. The purpose of institutional assessment is for verification of student
learning and program improvement. Every effort will be made to keep this information
confidential.
AMERICANS WITH DISABILITIES ACT (ADA)
According to the Americans with Disabilities Act, each student with a disability is responsible
for notifying the University of his/her disability and requesting accommodations. If you think
you have a qualified disability and need special accommodations, you should notify the
instructor and request verification of eligibility for accommodations from the Office of
Academic Accommodations/LASSO Center. Please advise the instructor of your disability as
soon as possible, and contact The LASSO Center, located in the Noble Center for Advancing
Technology – NCAT, top floor, and 918-293-4855 to ensure timely implementation of
appropriate accommodations. Faculty have an obligation to respond when they receive official
notice of a disability but are under no obligation to provide retroactive accommodations. To
receive services, you must submit appropriate documentation and complete an intake process
during which the existence of a qualified disability is verified and reasonable accommodations
are identified. (Fall 2013)
ACADEMIC DISHONESTY
Academic dishonesty or misconduct is neither condoned nor tolerated at OSUIT. Any student
found guilty of academic dishonesty or misconduct shall be subject to disciplinary action.
Academic dishonesty and/or misconduct includes, but is not limited to, the following actions:
(1) Plagiarism: the representation of previously written, published, or creative work as one’s
own; (2) Unauthorized collaboration on projects; (3) Cheating on examinations; (4)
Unauthorized advance access to exams; (5) Fraudulent alteration of academic materials; (6)
Knowing cooperation with another person in an academically dishonest undertaking. Students
are required to actively protect their work against misuse by others. For details, refer to The
OSUIT Student Handbook (Student Rights and Responsibilities Governing Student Behavior)
available online at http://www.osuit.edu/academics/forms/student_rights_responsibility.pdf.
Updated: August 25, 2015
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ATTENDANCE POLICY FOR FACE-TO-FACE COURSES
A primary component of OSUIT's Mission is “to prepare and sustain a diverse student body as
competitive members of a world-class workforce.” Regular and consistent attendance not only
aids in academic success, dependable attendance is a requirement in today's real-world
employment; therefore, regular and consistent attendance is a requirement in all OSUIT courses.
Definitions: Absent: Failing to attend all or a significant portion of a class or lab session.
A. Students may not be marked as absent if missing class for situations such as, but not
limited to
1. participating in a required university activity such as a field trip;
2. fulfilling a military obligation;
3. a mandatory court appearance;
4. death in the immediate family;
5. Extreme illness or accident to oneself or immediate family. Instructors, at
their discretion, may require proof of such events.
B. It is the responsibility of the student to contact and inform the instructor and/or
department in advance of such excused absences whenever possible.
Tardy: Arriving late to class as defined by the individual class instructor. Faculty, at their
discretion, may equate three tardies to equal one absence.
Procedures:
Early Intervention
A. Any student who misses 10% of an individual course (or earlier at faculty discretion)
during a regular fifteen-week semester, or the equivalent portion of time in a shorter
session, will have their name submitted by that course instructor to the OSUIT Early
Alert System for retention intervention.
B. At the point the Early Alert is issued, the student must meet with their assigned
faculty advisor or designated faculty/staff member within seven (7) academic
calendar days for counseling on how to improve their attendance and academic
success.
Excessive Absences
A. The University reserves the right to administratively withdraw any student from an
individual course who misses 20% of that course, whether excused or unexcused,
and, in the opinion of the instructor, the student does not have a reasonable
opportunity to be successful in the course.
B. Students should be aware any of the following may impact their financial aid:
1. being administratively withdrawn from a course
2. dropping a course
3. their last date of attendance in a course
Please see OSUIT Policy 2-021 for full details and procedures.
Updated: August 25, 2015
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Units Covered in ACR 2406 Commercial Refrigeration
ACR 2406 Orientation and
syllabus
9-2-15 &
9-4-15 lab orientation
3 hrs. & 20 min/W
Students will go over syllabus with
instructor to know what is expected
Work in lab; tour the lab, learn how
to take gauges off and on properly,
and how to take superheat and
subcooling
The proper adjustment and
application of various system
accessories
Look at the different ways to charge
a system. Explore temperature glide
and fractionation.
Understand various types of
condensers used in commercial
refrigeration. Head pressure controls
Understand various types of
compressors used in refrigeration
Print off form
showing they
received syllabus
Bring tools on
Friday to work in
lab on 9-5-15
Written Test & HW
9-18-15
Unit 25 Special
Refrigeration Components
9-8-15 to 9-18-15
Unit 10 System Charging
9-21-15 to 9-25-15
8 hours Theory/MWF
12 hours of lab/MWF
Unit 22 Condensers
9-28-15 to 10-2-15
4 hours of theory/MWF
6 hours of lab/MWF
Unit 23 Compressors
10-5-15 to 10-16-15
8 hours of theory/MWF
12 hours of lab/MWF
Unit 24 Expansion Devices
10-19-15 to 10-30-15
Unit 21 Evaporators and
refrigeration system
11-2-14 to 11-13-14
Unit 26 Application of
Refrigeration Systems
11-16-15 to 12-4-15
11-23-15
8 hours of theory/MWF
12 hours of lab/MWF
8 hours of theory/MWF
12 hours of lab/MWF
Written Test & HW
10-30-15
Written Test & HW
11-13-15
8 hours of theory/MWF
12 hours of lab/MWF
Expansion device operation for
commercial refrigeration
Understanding evaporators as they
are used in commercial refrigeration.
Methods of defrost and clocks
Explore different applications of the
refrigeration systems
3 hrs. & 20 min//M
Bonus for showing up for entire lab
4 hours of theory/MWF
6 hours of lab/MWF
Troubleshooting for commercial
refrigeration. Look at typical
operating conditions
Mr. Davis will tell
you on 11-23-15
What the bonus is.
Written test & HW
12-11-15
Unit 29 Trouble shooting
and typical operating
conditions for Commercial
Refrigeration
12-7-15 to 12-11-15
3 hrs. & 20 min/F
4 Hours Theory/MWF
6 Hours Lab/MWF
Schedule is subject to change at instructor discretion.
Updated: August 25, 2015
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Written Test & HW
9-25-15
Written Test & HW
10-2-15
Written Test & HW
10-16-15
Written Test & HW
12-5-15
AIR CONDITIONING AND REFRIGERATION DEPARTMENT
STUDENT DRESS CODE
The primary purpose of the Air Conditioning and Refrigeration Department is to prepare students for employment.
In this endeavor, one of the areas of training involves suitable attire for future technicians.
In reference to the dress code for Air Conditioning and Refrigeration students the following rules and regulations
will apply:
1.
Shorts, cuts-offs, sweat pants, sleeveless shirts or tank tops may not be worn in the classrooms or labs. For
safety purposes, shirt tails (except jacket type) will be worn inside trousers.
2.
Clothing, head gear or accessories with suggestive lettering, obscene pictures or unpatriotic displays may
not be worn, anytime, in the Air Conditioning & Refrigeration Department.
NOTE: FACULTY WILL DETERMINE WHEN GUIDELINES ARE EXCEEDED.
3.
Regular shoes or boots are to be worn with socks in the classroom and lab.
Sandals and shower shoes may not be worn in the classroom and lab.
Students who fail to meet satisfactory standards relating to the dress code will be sent home, and or counseled by the
Department Head; and if no improvement is made, enrollment may be terminated.
SAFETY RULES AND REGULATIONS ACR CLASSES
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Absolutely no horseplay in the lab or classroom
No running or jumping over things in lab or classroom.
Do not operate any equipment unless an instructor is present in lab.
Know the location of the fire extinguisher. It is located on the southwest wall of the lab, near the door to
the hallway.
Keep tools and tool box out of the free walking area in the lab.
Do not stand on chairs or tool boxes when working on equipment.
Under no circumstances work around a wet floor. Clean up any water immediately if not sooner. Many of
the high efficiency units in the lab produce a lot of condensation (water) and they are not hooked directly to
drains.
Safety Glasses will be worn at all times in the lab. This also applies to OSUIT personnel.
Notify the instructor of any hazard found in the lab or on the equipment.
Know the location of the main gas shut-off valve (northeast corner of lab and one directly outside of
northeast corner) and how to operate it. In case of any emergency shut off main gas shut-off valve.
Know location of all disconnect breakers for all electrical equipment.
Never stand in front of a gas furnace or appliance when operating or running test on it.
At the end of each lab period turn off the gas to the unit you are working on and disconnect the electrical
power source.
If it becomes necessary to lift any heavy objects, remember, lift with your legs, not your back. Keep your
back straight. Get help if the object is too heavy or bulky for you alone.
Updated: August 25, 2015
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