Podcast
Questions and Answers
Which component of an air conditioning system is responsible for absorbing heat energy from indoor air?
Which component of an air conditioning system is responsible for absorbing heat energy from indoor air?
What can lead to a frozen evaporator coil in an air conditioning system?
What can lead to a frozen evaporator coil in an air conditioning system?
What is the purpose of the expansion valve in an air conditioning system?
What is the purpose of the expansion valve in an air conditioning system?
Study Notes
Air Conditioning Systems: Key Components and Maintenance Checks
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Air conditioning systems regulate moisture content inside a space through humidity control.
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The air circulation in an air conditioning system is maintained at a desirable velocity of about 8 m/min.
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Window type air conditioners do not supply air to the room through a duct system.
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Centralized air conditioning systems are used for large-capacity plants with a cooling capacity of 30 TR or more.
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The principle of air conditioning is based on the laws of thermodynamics.
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Air conditioning systems provide a certain degree of air filtration during the cooling process.
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The outdoor unit of an air conditioning system houses the compressor, the condenser coil, and an air circulating fan.
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The indoor unit of an air conditioning system is typically a furnace or a fan coil with a blower fan and an evaporator coil.
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The indoor coil is housed inside the fan coil or mounted to the exterior of a furnace.
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The evaporator coil is where the refrigerant enters, expands into gas, and absorbs heat energy from indoor air.
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The condenser coil typically makes up the majority of the exterior of the outdoor unit.
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The expansion valve controls the amount of refrigerant flowing into the evaporator and creates a pressure drop to convert liquid refrigerant back to a gaseous state so it can absorb heat.
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Issues that can lead to a frozen evaporator coil include excessive buildup of dust, dirt, or other pollutants on the condenser coil, excessively dirty or clogged air filter, excessive buildup of dust, dirt, or debris on the indoor condensing unit, and high refrigerant levels.
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Signs of a frozen evaporator coil include excessive condensate drainage near the outdoor unit, frost forming on exterior refrigerant tubing or the outdoor unit, and inadequate cooling effect.
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Description
Think you know the ins and outs of air conditioning systems? Test your knowledge with this quiz on key components and maintenance checks. From the principles of thermodynamics to the importance of air filtration, this quiz covers it all. Learn about the different types of air conditioning systems and their components, as well as common issues that can lead to a frozen evaporator coil. Impress your friends with your newfound knowledge of air conditioning systems by taking this informative quiz!