HEAT PUMP WATER HEATER

PROBLEM TO BE SOLVED: To rapidly store utilization water of a predetermined temperature by enabling a compressor to efficiently become a steady state. SOLUTION: When a hot water storage is started, a target flow rate Qn when the hot water storage can be ordinarily conducted is calculated (step S2)....

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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 rapidly store utilization water of a predetermined temperature by enabling a compressor to efficiently become a steady state. SOLUTION: When a hot water storage is started, a target flow rate Qn when the hot water storage can be ordinarily conducted is calculated (step S2). Then, a circulation of a utilization water is stopped until a temperature T of the water heated by a refrigerant becomes a circulation starting temperature Ts. When the temperature of the water becomes higher than the temperature Ts (step S4), the water of a flow rate more than a predetermined amount from the flow rate Qn is circulated (step S5). When the temperature T becomes an ordinary circulating temperature Tn or higher, the water of the flow rate Qn is circulated (steps S6, S7). Thus, a compressor efficiently reaches a predetermined frequency so that the water of the predetermined temperature can be rapidly stored.