VAV AIR-CONDITIONING SYSTEM AND AIR-CONDITIONING CONTROL METHOD

To reduce the number of times for increase correction of a fan rotation speed, to realize energy saving and cost saving.SOLUTION: A VAV air-conditioning system comprises: a VAV controller 2 that transmits static pressure excess/deficiency information to each VAV unit 1 based on the opening of a damp...

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Hauptverfasser: IMANISHI YU, OMAGARI YASUHITO, YOSHIDA TATSUYA
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To reduce the number of times for increase correction of a fan rotation speed, to realize energy saving and cost saving.SOLUTION: A VAV air-conditioning system comprises: a VAV controller 2 that transmits static pressure excess/deficiency information to each VAV unit 1 based on the opening of a damper of the VAV unit 1; a re-determination unit 61 that re-determines the static pressure excess/deficiency information based on an indoor temperature or indoor CO2 concentration in a controlled area before integrating the static pressure excess/deficiency information of each VAV unit 1; and a static pressure excess/deficiency information change unit 62 that changes the static pressure excess/deficiency information of each VAV unit 1 based on the determination result of the re-determination unit 1 before integrating the static pressure excess/deficiency information of each VAV unit 1.SELECTED DRAWING: Figure 5 【課題】ファン回転数の増加補正の回数を減らし、省エネルギー、省コストを実現する。【解決手段】VAV空調システムは、VAVユニット1のダンパの開度に基づいて静圧過不足情報をVAVユニット毎に送出するVAVコントローラ2と、各VAVユニット1の静圧過不足情報を統合する前に、被制御エリアの室内温度または室内CO2濃度に基づいて静圧過不足情報の再判定を行う再判定部61と、各VAVユニット1の静圧過不足情報を統合する前に、再判定部1の判定結果に基づいて各VAVユニット1の静圧過不足情報を変更する静圧過不足情報変更部62とを備える。【選択図】 図5