ENGINE DRIVING HEAT PUMP-TYPE AIR CONDITIONER COMPRISING HOT-WATER SUPPLY HEATING UNIT AND ITS OPERATION CONTROL METHOD

PROBLEM TO BE SOLVED: To constantly secure the comfortable heating operation by an indoor machine even when the hot-water supply heating unit can perform the HP operation to simultaneously take refrigerant heat and engine exhaust heat. SOLUTION: A refrigerant circuit 28 in which the refrigerant is c...

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Bibliographische Detailangaben
Hauptverfasser:	TANOGASHIRA KENICHI, OSHIDA SHUNICHI, SAKAI HISASHIGE, AZUMA TAKAMI, KANAZAWA SATOSHI, NOMA KOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To constantly secure the comfortable heating operation by an indoor machine even when the hot-water supply heating unit can perform the HP operation to simultaneously take refrigerant heat and engine exhaust heat. SOLUTION: A refrigerant circuit 28 in which the refrigerant is circulated by a compressor 7 driven by a gas engine 6 is provided with an outdoor heat exchanger 34, an indoor heat exchanger 4, and a refrigerant heat exchanger 61, and a cooling water circuit 29 for circulating the cooling water to cool the gas engine, is provided with an exhaust gas heat exchanger 24, a hot-water heat exchanger 62, and a hot-water supply heating unit for heating the water in hot-water piping including a hot-water storage tank 63 in the hot-water supply, by the refrigerant heat exchanger and the hot-water heat exchanger. Further a control means is mounted for making the HP operation by the hot-water supply heating unit be disabled, when the heating operation load by the indoor machine 3 with the indoor heat exchanger is more than the load usable in the operation excluding the HP operation in the HP operation of the hot-water supply heating unit for simultaneously taking both of the refrigerant heat from the refrigerant heat exchanger and the engine exhaust heat from the hot-water heat exchanger. COPYRIGHT: (C)2004,JPO