air volume flow, declared minimum

[EN 13141-7:2021, 3.8]:minimum air volume flow of the unit declared at the reference pressure declaredNote 1 to entry: If the supply and exhaust air volume flows are different, then the minimum air volume flow is equal to the higher of Continue reading →

air volume flow, maximum

[EN 13141-7:2021, 3.7]:air volume flow corresponding to the maximum achievable fan curve setting of the unit at the pressure pqvmax, either declared or measured.Note 1 to entry: To determine maximum air volume flow, see 7.2.2.2, Table 9.Note 2 to entry: Continue reading →

air volume flow, reference

[EN 13141-7:2021, 3.9]:air volume flow (of the unit) corresponding to the reference pressureNote 1 to entry: To determine reference air volume flow, see 7.2.2.3, Table 10. [SOURCE: EN 13141-4:2021, 3.8]

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air-cleaning system

[ASHRAE Standard 62.1]:a device or combination of devices applied to reduce the concentration of airborne contaminants such as microorganisms, dusts, fumes, respirable particles, other particulate matter, gases, vapours, or any combination thereof.

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