HVAC A105: Air Conditioning and Refrigeration Controls
Item | Value |
---|---|
Curriculum Committee Approval Date | 12/02/2020 |
Top Code | 094600 - Environmental Control Technology |
Units | 3 Total Units |
Hours | 72 Total Hours (Lecture Hours 45; Lab Hours 27) |
Total Outside of Class Hours | 0 |
Course Credit Status | Credit: Degree Applicable (D) |
Material Fee | No |
Basic Skills | Not Basic Skills (N) |
Repeatable | No |
Grading Policy | Standard Letter (S) |
Course Description
Controls used in the Heating, Air Conditioning and Refrigeration that include temperature, pressure, overload and safety controls. PREREQUISITE: HVAC A100 and HVAC A101. Transfer Credit: CSU.
Course Level Student Learning Outcome(s)
- Identify appropriate control applications for specific HVACR systems.
- Diagnose and identify electronic control systems failures.
- Perform preventive maintenance and repair on HVACR control systems.
Course Objectives
- 1. Describe controls and control circuits
- 2. Identify appropriate control applications for specific HVACR systems
- 3. Diagnose and identify control systems failures.
- 4. Describe trouble shooting and diagnostic procedures.
- 5. Describe pressure and temperature controls including thermal overloads.
- 6. Describe relay controls and circuits.
Lecture Content
Control Theory: Control Equipment Modes of Automatic Control Electric Control Circuits Pressure and temperature controls Thermal overloads Relays Control Combinations Trouble shooting/diagnostics Perform preventive maintenance and repair on HVACR control systems. Understand operating controls. Understand safety controls.
Lab Content
See Course Content.
Method(s) of Instruction
- Lecture (02)
- Lab (04)
Instructional Techniques
Book, videos coupled with guest speakers and hands on demonstrations by instructor to show proper use of diagnostic tools to troubleshoot a system.
Reading Assignments
.
Writing Assignments
Written essays on particular service situations; hands on demonstrations showing an understanding of the use of electrical meters and pressure gauges and other tools of the trade.
Out-of-class Assignments
.
Demonstration of Critical Thinking
Testing using multiple choice, true/false, fill in the blanks and essay; hands on with meters and gauges and other diagnostic tools of the trade to make a decision as to the best procedure to make necessary repairs.
Required Writing, Problem Solving, Skills Demonstration
Written essays on particular service situations; hands on demonstrations showing an understanding of the use of electrical meters and pressure gauges and other tools of the trade.
Eligible Disciplines
Air conditioning, refrigeration, heating (solar energy technician): Any bachelors degree and two years of professional experience, or any associate degree and six years of professional experience.
Textbooks Resources
1. Required Russell E. Smith. Electricity for Refrigeration, Heating And Air Conditioning, 7th ed. Thompson/Delmar Learning/Cenage, 0 Rationale: latest