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Practice shop safety
Assessment Strategies
Written objective test
Lab performance
Criteria
Describe basic shop safety rules
Perform lockout/tagout procedures
Choose the correct personal protective equipment for given tasks
Identify potential safety hazards that can be minimized by shop cleanliness
Describe safe practices for lifting and transporting heavy objects
Handle tools and chemicals appropriately
Identify risks working with steam and explain risk reduction practices
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Determine boiler applications
Assessment Strategies
Written objective test
Drawing/Illustration
Criteria
Differentiate between various types of boilers and their applications
Describe pressure regulation and controls
Identify heat exchange methods
Sketch piping layout accurately to meet 80% accuracy
Design open and closed loop piping systems
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Program modular boiler controllers
Assessment Strategies
Written projects
Lab performance
Criteria
Calculate the input parameters for the programmable controller
Demonstrate proper operation of boiler when variables are inputted
Interpret sequence of operation
Interpret job specs, and building requirements as well as boiler abilities and limitations
Explain system operation as it relates to pressures, temperatures, electrical sequence and mechanical motion
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Use efficiency calculations
Assessment Strategies
Formal demonstration
Lab performance
Written project
Criteria
Combustion efficiency test questions are answered with 80% accuracy
Heat transfer test questions are answered with 80% accuracy
Net IBR rating test questions are answered with 80% accuracy
Conduct combustion efficiency test on a boiler system
Correctly make adjustments in order to achieve highest efficiency possible
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Evaluate valves based on the application
Assessment Strategies
Written test
Practical exercise
Criteria
Demonstrate knowledge of hydronic and steam valves and their operation.
Identify and analyze the five functions of valves
Select a valve for a specific application
Identify precautions when installing and operating valves
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Select appropriate pumps
Assessment Strategies
Drawing/ illustration
Written product
Criteria
Identify various styles of pumps
Explain operation of various types of pumps
Select appropriate style and size pump needed for specific application
Determine the total GPM of piping system
Determine the head pressure of the piping system
Determine the operating point of a pump
Determine pump efficiency at the operating point
Determine net positive suction head for the pump
Calculate GPM when RPM changes
Calculate head pressure when RPM changes
Calculate break horsepower when RPM changes
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Design hydronic distribution systems
Assessment Strategies
Written Test
Project analysis
Drawing/ Illustration
Criteria
Use appropriate calculations when given heating and cooling loads
Design a series-loop hydronic pipe system
Design a two pipe reverse return hydronic system
Design work sheet is used appropriately with 80% accuracy with all selected components
Calculate size of pipe for entire hydronic system so to allow for accurate flow rates
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Design a radiant floor hydronic heating system
Assessment Strategies
Drawing/ Illustration
Project Work
Written Product
Criteria
Complete a design worksheet with 80% accuracy in all areas
Write a report with advantages and disadvantages of in-floor radiant heat
Determine GPM for system
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Balance hydronic systems
Assessment Strategies
Formal demonstration
Lab performance
Written Test
Criteria
Explain water balancing process step by step
Use flow charts to determine flow rates in each part of a piping system
Explain operation of balancing valves
Adjust flow rates to within 10% of design rate
Operate a flow meter
Complete a balancing report.
Accurately measure and record temperature drop across both the evaporate and condenser coils
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Draw a steam piping system
Assessment Strategies
Written Test
Drawing/ Illustration
Criteria
Analyze system requirements
Select system components
Develop a steam drawing utilizing industry accepted symbols and practices
Size all system piping
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Demonstrate steam boiler water treatment
Assessment Strategies
Written Objective Test
Practical Exercise
Criteria
Complete tests with 80% accuracy
Analyze condensation and the effect it has on boiler systems
Research make up water and the importance of water treatment and preparation
Describe how dissolved gasses and solids damage boilers
Apply water analysis theory and procedures
Demonstrate proper safe handling of water treatment chemicals
Demonstrate procedures for adding chemicals to hydronic systems
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Overhaul a steam trap
Assessment Strategies
Written Objective Test
Practical Exercise
Criteria
Complete all tests with 80% accuracy
Identify and analyze the causes of faulty steam traps
Steam trap functions properly without leaks
Summarize the benefits of steam trap maintenance
Demonstrate removal, complete overhaul and installation of a steam trap
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Troubleshoot steam and hydronic systems
Assessment Strategies
Lab performance
Skills demonstration
Criteria
Identify sequence of operation
Describe the functionality of individual components
Demonstrate knowledge of system design
Evaluate system performance as compared to manufacturer's specifications
Determine if proper flow rates are being met in each part of the system
Use personal tools and/or system-provided gauges and temperature probes to acquire specific data
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Demonstrate the use of work orders, refrigerant inventory reports and other commonly used documentation in the HVAC/R industry
Assessment Strategies
Lab performance
Project analysis
Criteria
Completely and accurately fill out work orders for various pieces of equipment
Completely and accurately fill out refrigerant inventory documentation
Completely and accurately fill out repair invoices with flat rate fees or hourly fees using parts pricing lists
Completely and accurately fill out job estimates to include man hour estimates
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Evaluate cooling towers, system components and their applications
Assessment Strategies
Lab performance
Project analysis
Written test
Criteria
Analyze various types of cooling towers and their applications
Identify all components of various cooling tower systems and how they work
Describe the sequence of operation of cooling tower systems to include flow of media through system
Draw a cooling tower system
Describe maintenance procedures on cooling tower systems
Analyze water and the water treatment process
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Explain the benefits and limitations of the open loop piping system in chilled water applications
Assessment Strategies
Lab performance
Practical exercise
Written test
Criteria
Analyze open loop systems and their components
Illustrate the operational process of the open loop system
Describe application of open loop systems
Identify drawbacks and benefits of these type systems
Explain measures that could be taken to mitigate the drawbacks of this type system
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Explain the benefits and limitations of the closed loop piping system in chilled water applications
Assessment Strategies
Lab performance
Written exercise
Written test
Criteria
Analyze closed loop systems and their components
Describe application of closed loop systems
Illustrate the operational process of the closed loop system
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Determine chiller applications
Assessment Strategies
Lab performance
Project analysis
Written exercise
Criteria
Identify chiller equipment and associated components
Describe the different types of chillers and how they function
Explore the sequence of operation for various types of chillers
Select appropriate chiller type to meet needs of applications
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Explain control systems for chiller applications
Assessment Strategies
Project analysis
Written exercise
Criteria
Identify remote and local input variables
Identify remote controlled and equipment controlled variables
Assess operating parameters of chiller equipment and associated components
Explore strategies for chiller control
Analyze integration of control system to the chiller and chiller system equipment