HEATING and AIR CONDITIONING...ATO 2250
3 CREDITS......SUMMER 2013
Class begins on Tuesday, May 28th!
121 Automotive Building
T - Th 9:00 - 10:50AM Lecture
11:00 - 12:50PM Lab
T - Th 9:00 - 10:50AM Lecture 11:00 - 12:50PM Lab
This course covers the theory, construction, operation and servicing of the air conditioning, heating and cooling systems found on the automobile. Emphasis will be placed on testing, troubleshooting and servicing of the air conditioning system using appropriate manuals, tools, equipment and safety practices. The recovery and recycling of refrigerant, laws governing R-12/R-134a and certification will receive special emphasis.
Automotive Heating & Air Conditioning. (Today's
Technician), Schnubel, Mark
Delmar, 2013. (5th Edition) - Classroom & Shop Manuals
Your final grade will be computed from the classroom (50%) and 50% from the Lab portion of the class.
Every time the student is late for a classroom or lab session, 10 points will be deducted from the students' total possible points. No excuses will be allowed!
ATTENDANCE IS REQUIRED FOR CLASSROOM AND LAB SESSIONS!
1. Quizzes (4) 112 36
2. Homework 86 28
3. Final Exam 112 36
There will be four announced quizzes. Make-up quizzes must be done within one week of your absence either before or after the classes scheduled meeting time. If not, zero points will be marked down for your score.
The student is required to write a two page chapter summary for
each classroom manual chapter assigned.
The student is required to answer the ASE style chapter questions for each shop manual chapter assigned.
Homework assignments must be written in ink only using one side of a piece of paper.
Homework assignments will not be accepted late!
Chapter Title Due Date
1 cm History & the Environment 5/30
2 cm Temperature and Pressure Fundamentals 6/4
2 sm Typical Shop Procedures and Tools 6/4 (ASE style chapter questions)
4 cm Air Conditioning System Operating Systems 6/6
4 sm The Manifold Gauge Set 6/6 (ASE style chapter questions)
5 cm System Components 6/11
5 sm Servicing System Components 6/11 (ASE style chapter questions)
6 cm Refrigerant System Servicing and Testing 6/13
6 sm A/C System Servicing and Testing 6/13 (ASE style chapter questions)
7 cm Diagnosis of the Refrigeration System 6/18
7 sm Diagnosis of the Refrigeration System 6/20 (ASE style chapter questions)
8 cm Compressors and Clutches 6/25
8 sm Compressors and Clutches 6/25 (ASE style chapter questions)
9 cm Case & Duct Systems 6/27
9 sm Case & Duct Systems 6/27 (ASE style chapter questions)
10 cm System Controls 7/2
10 sm Diagnosis & Service of System Controls 7/2 (ASE style chapter questions)
11 cm Retrofit and Future Trends 7/9
11 sm Retrofit R-12 to R-134a 7/9 (ASE style chapter questions)
3 cm Engine cooling & heating systems 7/16
3 sm Diagnosis & Service of Heating systems 7/16 (ASE style chapter questions)
B. Lab Objectives......50%
Objective Description Points
1. A/C System Performance Test (6 required) 60
2. Discharge, Evacuate and Recharge A/C System (4 required) 40
3. Perform Leak Test with Electronic Tester (4 required) 20
4. Replace Compressor Clutch, Seal & Bearing 10
5. Remove & replace Orifice Tube 10
6. Remove & replace Expansion Valve 10
7. Remove & replace Compressor 10
8. Check Compressor Oil 10
9. Remove & replace Condenser 10
10. Remove & replace Accumulator/Receiver-Drier 10
11. Inject A/C System with Dye & Leak Check 10
12. Flush A/C System 10
13. Drain, Flush & Refill Cooling System 10
14. Pressure Test Cooling System & Cap 10
15. Test Heater Control Valve Operation 10
16. Flush or Replace Heater Core 10
17. Test Variable Speed Fan Clutch 10
18. Test, Repair or Replace A/C heater blower motors,
switches, relays, wiring and protection devices. 10
19. Test & Service the vacuum and mechanical
of the HVAC systems. 10
20. Test and Repair the A/C compressor clutch circuit (including cut-offs). 10
21. Check operation of ATC and Semi-ATC HVAC control systems 10
22. Heater Performance Test 10
23. Checking DTC's through the ATC Control
Total Lab points = 310
ATTENDANCE IS MANDATORY, UNLESS EXCUSED FOR A VERY GOOD REASON BY THE
INSTRUCTOR. (20 Points will be deducted for each unexcused absence.)
2. Lab 310
A = 620 to 558 (90%)
B = 557 to 496 (80%)
C = 495 to 434 (70%)
D = 433 to 372 (60%)
F = 371 or below
If you need support or assistance because of a disability, you may be eligible for academic accommodations through the Special Populations office. Stop by office B-204 or call (815) 224-0284
Financial Aid Statement:
Withdrawal from a course can affect financial aid. Students who receive financial aid should see an advisor in the Financial Aid Office before withdrawing from a course.
SAFETY GLASSES MUST BE WORN AT ALL TIMES WHEN IN THE AUTOMOTIVE LABORATORY.
IT IS THE STUDENTS RESPONSIBILITY TO HAVE HIS/HER SAFETY GLASSES ON AT ALL
TIMES. IF THE STUDENT IS NOT WEARING SAFETY GLASSES HE/SHE WILL NOT BE PERMITTED
TO STAY IN THE LABORATORY. HE/SHE WILL BE MARKED ABSENT AND WILL HAVE TO MAKE UP
THE LAB OBJECTIVES.
WELCOME TO ATO 2250 .... AIR CONDITIONING