| 摘要 |
PURPOSE:To easily perform the setting and adjustment of an intake air volume and a circulating air volume without diffusion of the contamination in sucking outdoor air into the room. CONSTITUTION:An intake ventilation path 13 which arranges a suction blower 12 inside is communicated respectively to a room inside 2 and a room outside 6, and a circulating ventilation path 19 in which a circulating blower 18 and a first air purifying means 24 are arranged is communicated to the room inside 2, and also an intake air supply opening 4 and a circulating air suction port 3 are arranged side by side, thus the setting and adjustment of the intake air volume and circulating air volume can easily be performed without diffusion of the contamination in sucking outdoor air into the room 2. |
