| 摘要 |
PURPOSE:To maximize the capacity of a device for generating space cooling and heating capacity until room temp. reaches a set upper limit temp. and once after the room temp. reaches the said temp. low revolving speed operation obtaining the maximum efficiency is carried out by installing a device for computing the space cooling and heating capacity equipped with a timer means and determining the space cooling and heating capacity by the output from a temp. detecting means. CONSTITUTION:First, a set upper limit temp. (A) is established. Then, suction air temp. (Tr1) discovered by a temp. detector 2 is fed, and the capacity of an air conditioner is changed by a device 4 for changing space cooling and heating capacity and a compressor 5 is operated at its maximum revolving speed by a device 1 for generating the space cooling and heating capacity. Then, the temp. Tr1 is compared with the temp. A and when the temp. Tr1>=A, the temp. Tr1 is memorized and the capacity is changed by a device 4 for changing the space cooling and heating capacity and the revolving speed of the compressor 5 is reduced to the minimum value by the device 1. After a fixed time preset by a timer 11 has elapsed, suction air temp. (Tr2) is detected and compared with the said temp. Tr1. When Tr2>Tr1, the operation of the compressor 5 is stopped. Inversely, when Tr2<Tr1, the compressor 5 is operated at its minimum revolving speed.
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