A CO2-controlled ventilation system.

Kuusela L.
carbon-dioxide, ventilation strategy, controlled ventilation, office building
Year:
1984
Bibliographic info:
Proc.CIB Workshop on indoor air quality and energy conservation Helsinki June 1983 ESPOO Report B3 p.XI.1-XI.5

Describes the CO2-controlled ventilation system of the energy efficient EKONO II office building in Helsinki. An air sample is taken from a main return air duct, pumped to a CO2 analyzer which gives the message of the concentration tothe computer. The computer regulates the opening of the recirculation air and outdoor air dampers to keep the CO2 concentration in return air below a certain level. Shows fluctuation of outdoor air rate and CO2 concentration during one day.

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