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Heating System Equipment

Heating System Equipment

Covers the hardware associated with heating systems, including gas and oil furnaces, electric systems, solid-fuel and hydronic systems, and finally some alternative systems–solar heating, heat pumps, and fuel cells. Includes a discussion of furnace performance criteria, return air systems, and the importance of filters.

TPC Training is authorized by IACET to offer 0.6 CEUs for this program.

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TPC Training is authorized by IACET to offer 0.6 CEUs for Heating System Equipment online training.

Lesson 1 - Gas Heating Equipment


Gas heating basics; Gaseous fuels; Combustion air; Furnace categories; Furnace components for heat production, ignition, venting; Conditioned air system; Heating system controls; Service procedures

Learning Objectives:
– Describe the main parts of the furnace system, both those that produce the heat and those that distribute the heated air, and describe the four basic
   furnace configurations.
– Discuss the differences between natural gas and liquefied petroleum gas (LPG), the hazards associated with each fuel, and the heating rates of each
– Discuss the purposes of the primary and secondary air supplies to the combustion chamber and compare the characteristics of category I, III, and IV
   gas furnaces.
– Describe how the gas is introduced, mixed with the air, and burned in the heat-producing components of the furnace.
– Describe several burner ignition methods and safety shutdown measures in case of flame failure.
– Discuss the basic sequence of furnace operation and the controls required.
– Describe common service procedures for gas heating systems and discuss safety.

Lesson 2 - Oil Heating Equipment


Oil heating basics; Fuel oils; Burner components; Pumps; Nozzles; Blowers; Electrodes; Transformer and controls; Fuel supply; Heat exchangers and combustion chamber; Combustion efficiency; Service procedures.

Learning Objectives:
– Discuss the similarities and differences between oil furnaces and gas furnaces.
– Name two common fuel oils and discuss the relationships between grades of fuel, viscosity, and temperature.
– Compare the requirements and operation of oil burner systems having the storage tank above the furnace to those having the tank below the furnace.
– Explain the reason for atomizing fuel oil and describe nozzle action and spray patterns.
– Describe the function of blower components that provide combustion air.
– Explain the purpose of the electrodes, transformer, and controls in an oil burner system.
– Discuss various ways of testing for combustion efficiency and describe common servicing procedures for oil burner systems.

Lesson 3 - Electric Heating Systems


Electric heating basics; Advantages and disadvantages of electric heating; Electric heating applications; Electric baseboard heating; Radiant ceiling heating panels; Electrically heated walls, floors; Forced-air electric furnaces; Forced-air control system; service tips.

Learning Objectives:
– Describe the characteristics of the electric wire used for resistance heating elements.
– Discuss the advantages and disadvantages of electric heating systems.
– Explain how electric baseboard heating is applied to smaller facilities.
– Describe basic designs for radiant systems and discuss heating element safety.
– Describe the function of each main component in an electric forced-air furnace.
– Follow a wiring diagram to discuss the operation of an electric furnace including startup, shutdown, and safety features.

Lesson 4 - Solid-Fuel Furnaces and Furnace Performance Criteria


Coal furnaces; Stoker classifications; Coal furnace control systems; Wood furnaces; Dual-fuel furnaces; Furnace performance criteria.

Learning Objectives:
– Explain why coal is in decline as a heating fuel and describe the layout of a coal furnace.
– Compare various kinds of mechanical stokers and explain why each kind is used.
– Describe the functions of furnace safety and operating controls.
– Discuss the basic requirements of wood-burning furnaces.
– Discuss the benefits and function of dual-fuel furnaces.
– Explain how to use furnace efficiency formulas, including the AFUE system.

Lesson 5 - Hydronic Systems


Hydronic basics; Thermal, hydraulic, distribution systems; Additional system components; Radiant panel systems; Heating/cooling systems; Control methods; Domestic water heating; MTW and HTW systems; Freeze protection; Altitude considerations; Air elimination.

Learning Objectives:
– Discuss how water can be used in residential and light commercial buildings to provide heating and cooling.
– Discuss the relationships between the five basic components of hydronic systems and describe the functions of the expansion tank and centrifugal
– Compare the layouts and uses of series (one-pipe) and parallel (two-pipe and four-pipe) distribution systems.
– Discuss the use of radiant panels, heating/cooling systems, and domestic water heating.
– Name characteristics that make MTW and HTW systems economical for large commercial and industrial systems and explain why the simpler LTW
   systems are used for residences and small commercial buildings.
– Explain how to provide freeze protection, how to adjust for high altitude, and how to eliminate air from the system.

Lesson 6 - Other Heating System Equipment


Fireplaces; Other in-space heaters; Solar heating; Heat pump systems; Fuel cells; Return air systems; Filters.

Learning Objectives:
– Describe various kinds of fireplaces and the resulting level of efficiency.
– Discuss the three flue-venting arrangements in newer fireplaces.
– Discuss various kinds of in-space heaters and their use in residences and commercial and industrial facilities.
– Discuss the basics of solar heating and describe various kinds of solar heaters used for building cooling and heating.
– Discuss the emerging technology of fuel cells for heating and electric power generation.
– Explain why certain locations are preferred for supply and return vents in forced-air heating systems.
– Discuss today’s filtration systems and IAQ concerns.