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La Nordica TermoRossella Plus Evo DSA Manual

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SCHEDA TECNICA VALVOLA TERMOSTATICA VAST
Dati tecnici Materiali
Fluido: Acqua Corpo della valvola ed altre parti metalliche: Ottone forgiato
Pressione massima di esercizio: 10 bar Molla: Acciaio inox
Temperatura del uido: da 5 a 110°C Sensore: Ottone
Temperatura di apertura: 95°C (ssa) Tubo capillare: Rame
Isteresi: 6°C Guaina del tubo capillare: Acciaio
Temperatura ambiente: da 0 a 125°C Pozzetto sensore: Ottone
Capacità di usso:
2.4 m
3
/h alla pressione min. del usso di
1 bar e tempo sensore 110°C
O-ring e guarnizioni: EPDM, NBR
Dimensioni attacco: Filettatura tubo G 3/4 ISO 228 Pulsante manuale: ABS
Lunghezza del tubo capillare: 1,3 m oppure 4m
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THERMOSTATIC VALVE VAST TECHNICAL DATA SHEET
Technical Data Materials
Media: Water Valve body and other metal parts: forged brass
Max. Working Pressure: 10 bar Spring: stainless steel
Media temperature: 5 to 110°C Sensor: brass
Opening temperature: 9°C (xed) Capillary tube: copper
Hysteresis: 6°C. Sensor pocket: brass
Ambient temperature: O to 125°C O-rings and gaskets: EPDM, NBR
Flow capacity:
2.4 m
3
/h at min. 1 bar ow pressure and
sensor temp. 110°C
Manual button ABS
Connection size: G3/4 pipe thread ISO 228 Pulsante manuale: ABS
Length of capillary tube: 1.3 m or 4 m
APPLICATION The Thermostatic Valve VAST is designed for protection of biomass boilers and re stoves It prevents overheating of the boiler
by discharging water from heat generator or condensing coil. The valve is used also to prevent back-burning in the fuel store by ooding the
fuel in case of excessive temperature.
INSTALLATION of VAST valve on boiler with safety heat exchanger. Before installation of the valve ush the system to make sure that there are
no impurities which might deposit on the valve seat and cause malfunction. Remember to install a lter ahead of the valve. The sensor can be
mounted in any position. Make sure the whole sensor is in contact with the controlled area. The arrow on the valve body shows direction of
ow. When installing the valve, make sure it is positioned properly. Max torque for sensor pocket mounting is 30Nm.
SERVICE It is recommended to check proper function of the valve once a year by qualied personnel. Functional check is carried out manually
by depressing the red button that opens the ow on the valve. The nut fastening the red button must not be loosened as it will cause product
malfunction.
THERMOSTATISCH GESTEUERTE VENTIL VAST TECHNISCHE PROTOKOLLE
Technische Daten Werkstoe
Medien: Wasser Gehäuse und andere Metallteile: Geschmiedetes Messing
Max. Betriebsdruck: 10 bar Feder: Edelstahl
Medientemperatur: 5 bis 110°C Fühler: Messing
Önungstemperatur: 95°C (fest) Kapillarrohr: Kupfer
Hysterese: 6°C Tauchhülse: Messing
Umgebungstemperatur: 0 bis 125°C O-Ringe und Dichtungen: EPDM, NBR
Strömungsleistung:
2.4 m
3
/h bei min. Durchussdruck von 1 bar und
Fühlertemperatur 110°C
Betätigungsknopf: ABS
Anschlussgröße: G3/4 Rohrgewinde ISO 228
Kapillarrohrlänge: 1.3 m oder 4 m
ANWENDUNG Das thermostatisch gesteuerte Ventil VAST ist für den Schutz von Biomassekesseln und Brennöfen ausgelegt. Durch das
Ablassen von Wasser aus dem Wärmeerzeuger oder der Kondensator-schlange wird eine Überhitzung vermieden. Das Ventil bietet weiterhin
Rückbrand-schutz im Brennstobehälter, indem es bei zu ho her Temperatur önet und so Wasser auf den Brennsto gesprüht wird.
INSTALLATION des VAST-Ventils in Kesselanwendungen mit Sicherheitswärmetauscher. Vor der Installation des Ventils muss das System
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