HEAT PUMP TYPE BATH WATER HEATING DEVICE

PURPOSE:To provide an economical heat pump type bath water heating device by boiling bath water with use of a heat pump at a first predetermined time before set bathing time, and supplying a heater with electric power at a second predetermined time after the elapse of certain time for simultaneous u...

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Bibliographische Detailangaben
Hauptverfasser:	OKABE MASAAKI, INOUE SHUICHI, KUSASHIO AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an economical heat pump type bath water heating device by boiling bath water with use of a heat pump at a first predetermined time before set bathing time, and supplying a heater with electric power at a second predetermined time after the elapse of certain time for simultaneous use of the same with said heat pump. CONSTITUTION:Once a bathing time is set, it is first judged whether or not present time is before the set bathing time. If yes, present hot water temperature Tw is detected and compared with hot water temperature set value Ts, and if Tw>=Ts, an output is issued which instructs a circulation pump 12 to be on, and a compressor 21 and an electric heater 3 to be on. If Tw