| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hybrid hot water supply system capable of obtaining an energy-saving effect and improvement of economical efficiency by using natural energy of the sun and inexpensive midnight power. <P>SOLUTION: This hybrid hot water supply system is provided with a setter 90 for setting beforehand a set temperature based on seasonal and daily weather information on the temperature of water heated by a solar water heater 1; a thermometer 15 for detecting the temperature of water heated by the solar water heater; pipelines 8, 10 for supplying hot water by further heating the water heated by the solar water heater 1, by an electric water heater 2; a pipeline 11 for supplying hot water by making the water heated by the solar water heater 1, to bypass the electric water heater 2; a selector valve operating part 17 for making the changeover between the pipelines by a selector valve 12; and a control part 9 for outputting a changeover signal to the selector valve operating part 17 to use the pipelines 8, 10 when the detected temperature is the set temperature or lower and to use the pipeline 11 when the detected temperature is the set temperature or higher. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
