| 摘要 |
PURPOSE:To obtain a controlling method of an operation of an air conditioner which can improve the characteristic of a change of room temperature on the occasion of transfer from a heating operation to a dehumidifying operation. CONSTITUTION:In the case when an indoor temperature Tr is within the range of Ts-beta>Tr> Ts-alpha in relation to a set temperature Ts, it is determined whether or not an indoor humidity Hr is lower by a prescribed value 7 or above than a set humidity Hs. In the case when Hr<=Hs-gamma, transfer is made to a monitoring mode, a compressor 7 is turned OFF and circulation of hot water through a hot water circulation circuit is stoppedby making a hot water valve 15 fully closed thetao. When Hr>Hs-gamma, to the contrary, transfer is made to a dehumidifying operation. It is determined whether or not transfer from a heating operation to the dehumidifying operation is to be made at this time, and when the transfer from the heating operation to the dehumidifying operation is made, the opening theta of the hot water valve is fixed at a set opening Gm, while a compressor of a refrigerating cycle is turned OFF and the operation of the refrigerating cycle is kept stopped, during a mask time Tm from the start of the dehumidifying operation. After the mask time Tm passes, the compressor is turned ON and the operation of the refrigerating cycle is started, while the flow rate of the hot water of the hot water circulation circuit is regulated to control the amount of heating by controlling the opening of the hot water valve.
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