component of an air handling unit
[EN 12792:2003, 77]:smallest functional element of an air handling unit
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component of ventilation or air conditioning
[EN 12792:2003, 80]:single functional element forming a part of a ventilation or an air conditioning installation
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[EN 12792:2003, 78]:in air diffusion there are three main categories of components:Air Terminal Devices (ATD’s) [EN 12792:2003, 78]:components of the installation which are designed for the purpose of achieving the predetermined movement of air into or from the treated space … Continue reading →
components of air distribution
[EN 12792:2003, 79]:in air distribution there are three main categories of components:elements of distribution [EN 12792:2003, 79]:components for the purpose of ensuring a correct distribution of the air. (Also see Air duct, Ductwork components, Damper and valve, etc.)Air Terminal Units … Continue reading →
concentration
[ASHRAE Standard 62.1]:the quantity of one constituent dispersed in a defined amount of another.
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