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Heating and Air Conditioning II


HVAC Course Syllabus
Estimated Course Length/Application: One year/Certificate-type

Each course has an approximate length of 130 hours, creating a total program length of 910 hours. Balance of 1080 hours of course length is for placement and other school functions

Course order will vary depending on available equipment and environmental conditions

Course I - Basic Refrigeration Theory

Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML

Topic #1: Heat Theory

1. Safety-related issues
2. Temperature
3. Heat transfer by conduction, convection, and radiation
4. Latent and sensible heat transfers
5. Temperature conversions
6. Pressure: absolute and gauge
7. Gas laws

Topic #2: Basic Refrigeration

1. Safety-related issues
2. The refrigeration process
3. System compressors
4. System condensers
5. System evaporators
6. System metering (expansion) devices
7. Pressure/temperature relationships
8. System accessories
9. Refrigerants
10. Refrigerant management 
11. EPA regulations

Topic #3: Piping Operations

1. Safety-related issues
2. Piping materials
3. Cutting and reaming
4. Flaring
5. Swaging
6. The torch kit
7. Soldering 
8. Brazing

Course II - Electricity and Controls
Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781418072834 - Refrigeration & Ac Technology DVD Set 
9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML

Topic #1: Electricity Theory

1. Safety-related issues
2. Atomic structure
3. Law of charges
4. Conductors and insulators
5. Alternating and direct current
6. Voltage, current, and resistance
7. Electrical testing equipment and tools
8. Ohm’s law
9. Electric circuit components
10. Resistive and inductive loads
11. Series circuits
12. Parallel circuits
13. Circuit evaluation and basic troubleshooting

Topic #2: Electrical Devices, Motors and Controls

1. Purpose of controls
2. Types of controls
3. Control mechanisms: bi-metal, electronic, fluid-filled, and so on
4. Holding coils
5. Transformers
6. Thermostats
7. Pressure switches
8. Mechanical switches
9. Electromechanical controls
10. Relays and contactors
11. Electric motors
12. Motor starting

Topic #3: Electrical Devices, Motors, and Control Troubleshooting

1. Review of motors and controls
2. Mechanical motor problems
3. Troubleshooting mechanical motor problems
4. Electrical motor problems
5. Troubleshooting electrical motor problems
6. Using the VOM to troubleshoot electric controls


Course III - Commercial Air-Conditioning Systems
Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781418072834 - Refrigeration & Ac Technology DVD Set 
9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML

Topic #1: Comfort and Psychrometrics

1. Factors that affect comfort
2. The psychrometric chart

Topic #2: Air-Conditioning System Components

1. Basic refrigeration cycle review
2. System compressors
3. System condensers
4. System metering devices
5. System evaporators
6. Water cooled systems
7. Cooling towers and pumps

Topic #3: System Operating Conditions

1. System operating pressures and temperatures
2. Air distribution system
3. Air-conditioning system configurations
4. Commercial air-conditioning accessories

Topic #4: Air-Conditioning Troubleshooting

1. Typical operating conditions
2. Superheat and subcooling review
3. Using subcooling to evaluate systems with thermostatic expansion valves
4. Using superheat to evaluate systems with other metering devices
5. Adjusting the refrigerant charge

Topic #5: Refrigerant Management

1. Recovering, recycling, and reclaiming
2. Safe refrigerant handling
3. EPA regulations

 

Course IV - Commercial Refrigeration Systems
Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781418072834 - Refrigeration & Ac Technology DVD Set 
9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML


Topic #1: Typical Operating Conditions

1. Low temperature conditions
2. Medium temperature conditions
3. High temperature conditions

Topic #2: Special Refrigeration System Components

1. Two-temperature systems and components
2. Evaporator pressure controls
3. Crankcase pressure regulators
4. Low ambient controls
5. Pressure controls and safety devices
6. Refrigeration system defrost methods
7. Refrigeration system accessories

Topic #3: Refrigeration System Applications

1. Merchandising options for refrigeration systems
2. Multiple evaporator systems
3. Multiple compressor systems (rack systems)
4. Secondary refrigerant systems
5. Pressurized liquid systems
6. Staggered defrost methods
7. Vending machine refrigeration
8. Water coolers
9. Mobile (transport) refrigeration systems
10. Cascade refrigeration systems

Topic #4: Ice-making Systems

1. System configuration
2. Ice shapes and types
3. Ice making methods and the evaporator
4. The harvest cycle
5. Bin controls
6. Water quality and water treatment
7. Ice machine controls
8. Troubleshooting ice making equipment

Topic #5: Refrigerant Management

1. Recovering, recycling, and reclaiming
2. Safe refrigerant handling
3. EPA regulations


Course V - System Installation, Air Distribution, and Balance

Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML

Topic #1: System Installation

1. Outdoor unit location selection
2. Indoor unit location selection
3. Piping the system
4. Electrical connections: line voltage and low voltage control connections
5. Condensate removal
6. System leak check and evacuation
7. System start-up
Topic #2: The Air Distribution System

1. Air distribution configurations
2. Selection of air distribution system
3. Duct materials and applications
4. Installing and joining duct sections
5. Support for air distribution system
6. Airflow calculations
7. Sizing the air distribution system
8. Balancing the air distribution system

Topic #3: Measuring Airflow

1. Equipment used for air system balancing
2. Pressures in the air distribution system
3. Adjusting air volumes
4. Dampers and registers

 

Course VI - System Diagnostics, Troubleshooting, and Servicing

Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML 
 

Topic #1: System Diagnostics

1. High temperature (air-conditioning) system normal operating conditions
2. Medium temperature system normal operating conditions
3. Low temperature system normal operating conditions
4. Measuring and evaluating system airflow

Topic #2: Troubleshooting

1. Superheat and subcooling calculation review
2. Causes for high superheat
3. Causes for high subcooling
4. Causes for low superheat
5. Causes for low subcooling
6. Evaluating compressor operation 
7. Evaluating condenser operation
8. Evaluating evaporator operation
9. Evaluating metering device operation

Topic #3: Electrical versus Mechanical Problems

1. Isolating the cause for system failure
2. Correcting system problems
3. Performing a total system check

Topic #4: Performing a Successful Service call

1. Customer service
2. Identifying system problems
3. Correcting problems
4. Testing system operation following repair

Course VII - Heating Systems

Required Text
1428319360 - Refrigeration and Air Conditioning Technology 6e

Resources

9781428319370 - Refrigeration and A/C Technology 6e Lab Manual 
9781428319387 - Refrigeration and A/C Technology 6e IML

Topic #1: Heat Pump Systems

1. Basic refrigeration cycle review
2. Heat pump system components
3. The reversing valve
4. Air source heat pumps
5. Water source heat pumps
6. Geothermal heat pumps
7. Wells and water sources

Topic #2: Electric Heating Systems

1. Safety-related issues
2. Furnace configurations
3. Air distribution system
4. Electric heating system components
5. Safety controls
6. Sequence of operations
7. Troubleshooting and servicing

Topic #3: Gas-Fired Heating Systems

1. Safety-related issues
2. Furnace configurations
3. Air distribution system
4. Combustion
5. Gas-fired heating system components
6. Safety controls
7. Ignition methods
8. Sequence of operations
9. System Installation
10. Troubleshooting and servicing


Topic #4: Oil-Fired Heating Systems

1. Safety-related issues
2. Furnace configurations
3. Air distribution system
4. Combustion
5. Oil-fired heating system components
6. Safety controls
7. Ignition methods
8. Sequence of operations
9. System installation
10. Troubleshooting and servicing


Topic #5: Hydronic Heating Systems

1. Safety-related issues
2. Boiler configurations
3. Water circuit configurations
4. Water circuit controls
5. Safety controls
6. Circulator pumps
7. Expansion tanks
8. Air problems
9. Relief valves
10. Sequence of operations
11. System installation
12. Troubleshooting and servicing

Supplies

Uniform Guy

HVAC Program is require to have a uniform and is suggested that you purchase TWO short sleeves and ONE long sleeve. Greg “The Uniform Guy” will be here the following day for fittings and payments:

The Uniform Guy will be here to take orders and measure for uniforms on the following dates:

June 28 & 29 2:00 - 8:00 PM - Conference Room A 

July 12 & 13 2:00 - 8:00 PM - Conference Room A
 
Uniform Pick - August 10th and 17th 12:00 - 7:00 PM in Conference Room A

 Items Needed By: August 29, 2017

 12” Metal Ruler, Pen, Pencil, Black Sharpie Marker, 2” 3 Ring Binder with 8 dividers, and paper to take notes with. 


 
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