IMPIANTO DI RISCALDAMENTO DELL'ACQUA

A water-heating installation is described for preparing process water and heating water for the supply of a heating body arrangement which is connected via a flow and return line (3,4) with a primary heat exchanger (1). A process water heat exchanger (8) can be supplied with heating water via a prio...

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Bibliographische Detailangaben
Hauptverfasser:	RUF ANDREAS, BURGDORF ACHIM, SPAHN HANS-JOSEF
Format:	Patent
Sprache:	ita
Schlagworte:	BLASTING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELEMENTS OR COMPONENTS THEREFOR HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A water-heating installation is described for preparing process water and heating water for the supply of a heating body arrangement which is connected via a flow and return line (3,4) with a primary heat exchanger (1). A process water heat exchanger (8) can be supplied with heating water via a priority-changeover valve (6) located in the flow line. The priority-changeover valve has three unions of which selectively one of two unions (10,11) can be connected with a central union (5). A controllable circulating pump (7) is provided. The central union of the priority-changeover valve is connected with the section of the return line leading to the primary heat exchanger. This valve has at least one electromagnetic drive, preferably a motor(18), provided with a brake or a locking mechanism which works with two valve seats (12,13) and whose closing direction is opposed to the direction of the respective flow to be interrupted.