Course: DMT 2705
Division: Business and Applied Tech
Department: Transportation Technology
Title: Heating and Air Conditioning Lab
Semester Approved: Spring 2020
Five-Year Review Semester: Summer 2025
End Semester: Fall 2025
Catalog Description: This course gives students the hands-on lab experience for DMT 2701. It covers the principles, operation, and servicing of automotive, diesel, and transportation air conditioning and heating systems and their components.
Semesters Offered: Spring
Credit/Time Requirement: Credit: 2; Lecture: 0; Lab: 6
Clock/Hour Requirements: 90
Prerequisites: N/A
Corequisites: DMT 2701
Justification: This course is required for Automotive Service Excellence (ASE) Education Foundation accreditation. It is approved by the program advisory committee. It is a core course for the Diesel and Automotive Technology AAS degrees.
Student Learning Outcomes: Upon successful completion of this course, students will be able to safely perform the tasks listed in the current edition of ASE Education Foundation Certification and Accreditation for Automobile Training Programs. Students will complete 100% of priority 1, 80% of priority 2, and 60% of priority 3 tasks outlined by ASE Education Foundation. Will be assessed by completion of lab sheets and ASE Education Foundation task lists.
Students will learn to use the appropriate specialized tools for proper testing, inspecting, and charging of air conditioning systems. Students will be assessed by completion of appropriate lab sheets, demonstration, and ASE Education Foundation task list.
Students will understand the appropriate steps to disassemble and reassemble an HVAC system. Students will be assessed by completion of appropriate lab sheets, demonstration, and ASE Education Foundation task list.
Students will understand air conditioning and heating theory and the requirements for the proper operation of the climate control system. Students will be assessed by completion of appropriate lab sheets, demonstration, and ASE Education Foundation task list.
Students will maintain a reasonably clean work environment. Students will be assessed by their participation in regular shop clean-up and the maintenance of their work station.
Content: •Course specific safety
•Theory of HVAC operation
•HVAC diagnosis
•HVAC tools and equipment
•HVAC removal and disassembly
•Pressure relationships
•Moisture and moisture removal
•Maintenance of the HVAC system
•Retro fitment of R-12 to R134A
•Electrical operation
•Environmental impacts
Key Performance Indicators: Students will be graded on the completion of their ASE Education Foundation task list through, demonstration, the completion of lab sheets, participation, and shop clean-up.
ASE task list, demonstration, and lab sheets 80 to 95%
Participation/Attendance 0 to 15%
Shop clean-up 5 to 20%
Representative Text and/or Supplies: Mark Schnubel., Automotive Heating & Air Conditioning, current edition, Cengage Learning.
Pedagogy Statement: This is a lab class taught in conjunction with a lecture class, DMT 2701. Students will be taught using demonstration, supervised lab assignments, and live work in the Diesel and Automotive Repair Shop with guidance and assistance from the instructors.
Instructional Mediums: Lab
Maximum Class Size: 20
Optimum Class Size: 15
