HEAT PUMP WATER HEATER

PROBLEM TO BE SOLVED: To prevent a wasteful hot water storage operation by heating an empty bathtub and to rapidly deal it by a user. SOLUTION: When the condenser reaches a predetermined temperature Tn or higher (step S2), whether an operating frequency of a compressor is predetermined frequency Hm...

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Bibliographische Detailangaben
Hauptverfasser:	MUKODA HIDEAKI, TAKIZAWA SADAHIRO, ISHIGAKI SHIGEYA, ENYA YOSHINORI, KOYAMA KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING RANGES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To prevent a wasteful hot water storage operation by heating an empty bathtub and to rapidly deal it by a user. SOLUTION: When the condenser reaches a predetermined temperature Tn or higher (step S2), whether an operating frequency of a compressor is predetermined frequency Hm or less or not is judged (step S3). When the condenser reaches the temperature Tm or higher and reaches the frequency Hm or less, heating of the empty bathtub is judged to stop a hot water storage operation (step S4). Then, the effect is displayed (step S5).