The size of the building: residential indoor breathing vertical height of 2.4 m; Commercial building breathing activity for the vertical height 4.5 m, the rate of breathing area of the whole space is about 0.26 to 0.26.
Residential, office buildings, the new air volume can not be lower than 30 m3 / h.p. Considering air changes and new air volume, take the fresh air volume for calculating the maximum to select the target model.
Sports venues, large conference hall, theater, etc., consider the exchange times of the fresh air to select the model, if people stay under 3 hours, take 50% attendance to determine the new air volume.
For shopping mall, take 30% of the total supply of central air conditioning system to determine the model selection.
Factory, workshop and other places of poisonous and harmful matter, the model selection is base the required air volume for attenuation and also consider the ventilation rate.
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