| 摘要 |
PURPOSE:To prevent a change caused in airflow in a room by a constitution wherein a part of air discharged out of a room to be air-conditioned is mixed with blow-off air in the air-conditioning system wherein the air-conditioning is effected by fixing the temperature of the blow-off air at a constant temperature and changing the amount of the flow of air. CONSTITUTION:The system is constituted in the air-conditioning system, in which the air-conditioning is effected by supplying the blow-off air having a constant temperature into the room RM' to be air-conditioned while the control of the air-conditioning is effected by changing the amount of the blow-off air, so as to re-circulate a part of the air-conditioning air discharged out of the room RM' to be air-conditioned into the blow-off air supplied through a damper D1. In this case, the dampers D1, D2 are opened and closed in proportion to the amount of the blow-off air while the damper D3 is opened and closed in inverse proportion thereto. According to this system, the discharged air is mixed by the amount of air limited by the damper D1, therefore, the amount of the supplying air 8 becomes constant, and a change in the supplying amount of heat may be prevented since there is almost no temperature difference between the discharged air at a part A and the part B. |
