MCCCD Official Course Competencies:

HVA201  19986-19995

Electronics for Air Conditioning (HVAC&R)

1.

Review the theory of electricity and atom parts, draw electrical circuits, identify electrical-electronic symbols and calculate electrical quantities such as resistance, voltage, power, inductance, capacitance and impedance. (I)

2.

Explain the safe use and operation of electrical meters. (I)

3.

Describe basic P/N junction construction and explain the operation of and test the P/N junction of diodes to identify the anode and cathode.(II)

4.

Identify and explain the operation of Light Emitting Diodes (LEDs) and photodiodes. (III)

5.

Explain operation of and identify specific types of rectifiers. (IV)

6.

Explain the function of specific transistors, the differences between negative-positive-negative (NPN) and positive-negative-positive (PNP)transistors and describe testing of transistors. (V)

7.

Explain the function and operation of unijunction transistors (UJT),identify the symbol and test for base1, base2 and emitter. (VI)

8.

Explain the function and operation of silicon-controlled rectifiers(SCR), identify the symbol(s) and test for anode, cathode and gate.(VII)

9.

Explain the function and operation of diacs and triacs, identify the symbols and test triacs for MT1, MT2, and gate. (VIII)

10.

Explain the function and operation of operational amplifiers (OP-AMP) and identify the terminals. (IX)

11.

Explain the operation of temperature sensitive materials including thermistors and thermocouples. (X)

12.

Describe the designing, building and testing of circuits as constant current generators and set level detectors for temperature. (XI)

MCCCD Official Course Outline:

HVA201  19986-19995

Electronics for Air Conditioning (HVAC&R)

I. Review of Electricity

A. Theory of Electricity/Atom Parts

1. electron flow

2. atom

3. electrical circuits

a. series

b. parallel

c. series-parallel

4. electrical-electronic symbols

B. Electrical Terms

1. volt

2. resistance

3. current

4. power

C. Calculate Electrical Quantities

1. resistance

2. voltage

3. power

4. inductance

5. capacitance

6. impedance

D. Electrical Meters

1. safety

2. voltmeter

3. ohmmeter

4. ammeter

5. scope

II. P/N Junction

A. Material type/operation

1. N

2. P

B. Identification

1. anode

2. cathode

C. Diode

III. Diodes

A. Light Emitting Diodes (LEDs)

B. Photodiodes

IV. Rectifiers

A. Operation

B. Types

1. half wave

2. full wave

V. Transistors

A. Function/Differences

B. Types

1. NPN

2. PNP

C. Testing

VI. Unijunction Transistors (UJT)

A. Function

B. Operation

C. Symbol

D. Testing

1. Base1

2. Base2

3. emitter

VII. Silicon-Controlled Rectifiers (SCR)

A. Function

B. Operation

C. Symbol

D. Testing

1. anode

2. cathode

3. gate

VIII. Diacs and Triacs

A. Function

B. Operation

C. Symbols

D. Testing - Triac

1. MT1

2. MT2

3. gate

IX. Operational Amplifiers

A. Function

B. Operation

C. Terminals

X. Temperature Sensitive Materials

A. Thermistors

B. Thermocouples

C. Other

XI. Electronic Circuits

A. Constant current generators

1. designing

2. building

3. testing

B. Set level detector

1. designing

2. building

3. testing