AUTOMATIC HOT-WATER SUPPLIER PROVIDED WITH TIME-OUT FUNCTION FOR TEMPERATURE KEEPING OPERATION

PURPOSE:To operate economically and reduce the generation of danger, by a method wherein heat-up operation and temperature keeping operation are repeated until a set temperature keeping operation continuing time of a given period of time has elapsed and, thereafter, a circulating pump is stopped to...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MURATA KOICHI, SAWAHASHI HIROSHI
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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