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An air conditioner including a compressor compressing a refrigerant to produce a high temperature gaseous refrigerant, a hot water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the high temperature refrigerant fed from the compressor to

An air conditioner including a compressor compressing a refrigerant to produce a high temperature gaseous refrigerant, a hot water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the high temperature refrigerant fed from the compressor to water, an outdoor heat exchanger performing a heat exchanging process whereby heat is transferred between the refrigerant and outside air, and a hot/cold water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the refrigerant fed from the hot water producing device to water, or producing cold water by performing a heat exchanging process whereby heat is transferred from water to the refrigerant fed from the outdoor heat exchanger.

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An air conditioner including a compressor compressing a refrigerant to produce a high temperature gaseous refrigerant, a hot water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the high temperature refrigerant fed from the compressor to

An air conditioner including a compressor compressing a refrigerant to produce a high temperature gaseous refrigerant, a hot water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the high temperature refrigerant fed from the compressor to water, an outdoor heat exchanger performing a heat exchanging process whereby heat is transferred between the refrigerant and outside air, and a hot/cold water producing device producing hot water by performing a heat exchanging process whereby heat is transferred from the refrigerant fed from the hot water producing device to water, or producing cold water by performing a heat exchanging process whereby heat is transferred from water to the refrigerant fed from the outdoor heat exchanger. uantities over the other ones as a function of the absolute value that such quantities take in a respective pre-set scale, and wherein one of said variable quantities is constituted by the electric current input of the driving motor (10) thereof. 4. A compressor of refrigerant medium for a home-type or similar refrigeration apparatus, driven by a motor (10) whose power supply frequency is selectively variable between a discrete number of values (f1,f2,fT) as a function of an input signal, characterized in that it integrally comprises control means (7) which are adapted to monitor two or more quantities that are variable with time in a mutually independent manner, of which at least one is representative of the actual operating conditions of the appliance, said control means being further adapted to generate said input signal with a value that corresponds to a pre-established combination of the monitored quantities. wherein the compressor also integrally comprises means for processing said input signal, which are from time to time adapted to privilege any of said time-variable quantities over the other ones as a function of the absolute value that such quantities take in a respective pre-set scale, and wherein the ratio of the highest power-supply frequency (fT) to the lowest power-supply frequency (f1) of the driving motor (10) thereof is comprised between 1.4 and 2.1 and is preferably anywhere near 2.