Maricopa Community Colleges  HVA201LL   19986-19995 
Official Course Description:   MCCCD Approval:  04/28/98  
HVA201LL     19986-19995 LAB 1 Credit(s) 3 Period(s)
Electronics for Air Conditioning Lab (HVAC&R)
Diagramming and assembling electronic circuits using specific components. Testing electronic devices using volt, OHM, ammeters and the oscillocsope. Testing electronic circuits used on current production heat pumps. Prerequisites: HVA115 or permission of department. Corequisites: HVA201 or permission of department.
Cross-References:   FAC201LL
 
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MCCCD Official Course Competencies:
 
HVA201LL   19986-19995 Electronics for Air Conditioning Lab (HVAC&R)
1. Draw a diagram of a series-parallel circuit, construct the circuit and demonstrate the safe use of electrical meters by proving the correct operation of the circuit. (I)
2. Draw the electronic symbols for transistors, diodes, light emitting diodes, rectifiers, unijunction transistors, silicon-controlled rectifiers, dials, triacs, operational amplifiers, thermistors, and thermocouples. (II)
3. Identify components to simulate loads, draw a diagram, wire and perform meter tests on specific circuits, and demonstrate appropriate safety procedures. (III)
4. Identify specific components with properties of temperature sensitive materials, perform tests to evaluate performance data using appropriate laboratory procedures. (IV)
5. Describe the designing, building and testing of circuits as constant current generators and set level detectors for temperatures. (V)
6. Troubleshoot heat pump electronic defrost controls using factory standard test procedures. (VI)
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MCCCD Official Course Outline:
 
HVA201LL   19986-19995 Electronics for Air Conditioning Lab (HVAC&R)
    I. Series-Parallel Circuit
        A. Diagram
          1. Symbols
          2. Controls
          3. Loads
        B. Assembly
          1. Interpret diagram
          2. Components
        C. Operation
          1. Sequence
          2. Voltage
          3. Current
          4. Meter(s)
        D. Safety
      II. Electronic Symbols
          A. Transistors
          B. Diodes
          C. Light Emitting Diodes
          D. Rectifiers
          E. Unijunction Transistors
          F. Silicon-Controlled Rectifiers
          G. Diacs
          H. Triacs
          I. Operational Amplifiers
          J. Thermistors
          K. Thermocouples
        III. Component Testing
            A. OHM Meter
              1. Transistors
              2. Diodes
              3. Light Emitting Diodes
              4. Rectifiers
              5. Unijunction transistors
              6. Silicon-controlled rectifiers
              7. Diacs
              8. Triacs
              9. Operational amplifiers
              10. Thermistors
              11. Thermocouples
            B. Oscilloscope
              1. Transistors
              2. Diodes
              3. Light emitting diodes
              4. Rectifiers
              5. Unijunction Transistors
              6. Silicon-controlled Rectifiers
              7. Diacs
              8. Triacs
              9. Operational amplifiers
            C. Diagram
              1. Series
              2. Parallel
            D. Safety
          IV. Temperature Sensitive Materials
              A. Material
                1. Thermistor
                2. Thermocouple
                3. Other
              B. Testing - Evaluation
                1. Heating
                  a. current
                  b. voltage
                2. cooling
                  a. current
                  b. voltage
              C. Plot Data
                1. Heating
                2. Coding
            V. Electronic Circuits
                A. Constant Current Generators
                  1. designing
                  2. building
                  3. testing
                B. Set Level Detectors
              VI. Defrost Controls
                  A. Sequence of Operation
                    1. Heating cycle
                    2. Coding cycle
                  B. Voltage Test Points
                    1. Heating
                    2. Cooling
                  C. Troubleshooting
                    1. Heating
                    2. Cooling
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