AUTO 147: Automotive Heating, Ventilation and Air Conditioning MLR

Citrus College Course Outline of Record

Citrus College Course Outline of Record
Heading Value
Effective Term: Fall 2023
Credits: 2
Total Contact Hours: 63
Lecture Hours : 27
Lab Hours: 36
Hours Arranged: 0
Outside of Class Hours: 54
Total Student Learning Hours: 117
Strongly Recommended: ENGL 101; Integrated Math 3 or Algebra 1; AUTO 146 or one year of employment as automotive technician.
Transferable to CSU: No
Transferable to UC: No
Grading Method: Standard Letter, Pass/No Pass

Catalog Course Description

Intended for the incumbent worker, re-entry person or person seeking a career change into the automotive service industry. This course is part of the the Maintenance and Light Repair (MLR) curriculum. The course covers essential HVAC system theory; inspection, maintenance and light repair. Course prepares students for ASE HVAC (A7) certification and portions of the G1 certification. 27 lecture hours, 36 lab hours.

Course Objectives

  • Identify refrigerant and recommend corrective action.
  • Perform refrigerant recovery & recycling following local laws and manufacturer's procedures and specifications.
  • Check system pressure and determine corrective action.
  • Test compressor operation and determine corrective action.
  • Remove and replace compressor, condenser and metering devices according to manufacturer's procedures and specifications.
  • Test blower motor operation and determine corrective action.

Major Course Content

  1. HVAC theory
    1. Body comfort
    2. Heat, matter and pressure
    3. Refrigerant
    4. Refrigeration systems
  2. Service equipment & procedures
    1. Moisture & moisture removal
    2. Refrigerant recovery & recycling
    3. System pressure
  3. Air distribution control
    1. Air inlet control
    2. Air outlet control
    3. Air speed control
    4. Air mix control
  4. Compressors
  5. Metering devices

Lab Content

  1. Diagnosis, service and repair
    1. Moisture & moisture removal
    2. Refrigerant recovery & recycling
    3. System pressure measurement & analysis
    4. Refrigerant identification
  2. Air distribution control testing
    1. Air inlet control testing
    2. Air outlet control testing
    3. Air speed control testing
    4. Air mix control testing
  3. Compressor diagnosis, service and repair
  4. Metering device diagnosis, service and repair

Suggested Reading Other Than Required Textbook

Student will complete instructor selected MyAutomotiveLabs e-learning modules that are related to the subject matter.

Examples of Required Writing Assignments

Student will use electronic service information to complete guided discovery based learning.

Examples of Outside Assignments

Students will be assigned industry based technical article evaluation from trade journals.

Instruction Type(s)

Lab, Lecture