Importance

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Abstract

A general purpose programmed computer controls an air circulation type air conditioning system as the operating equipment between temperature, humidity and oxygen sensors and control devices for modifying temperature, humidity and oxygen content of the circulating air. The various control algorithms are programmed into the computer as well as the control sequence for sampling the sensors and making corresponding corrections and a complex interrelationship of variables controllable for optimum energy expenditure. In particular for tightly closed houses, the oxygen content is controlled by admission of fresh atmospheric air. Particularly for houses, such as underground houses, with substantial concrete wall surfaces in thermal contact with the earth to moderate temperature, dehumidification control is critical even for summer hookups. In such houses, the energy expenditure of this system is low enough to operate substantially wholly on solar energy by way of a battery operated D-C motor driving a circulating fan and heat pump with the battery rechargeable by solar energy.

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First Claim