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16 Montage- und Wartungsanweisung Logamax U122-11 • Ausgabe 05/2005
Änderungen aufgrund technischer Verbesserungen vorbehalten!
Inbetriebnahme5
z Gas-Umlaufwasserheizer über das Entlüftungsventil
an der Umwälzpumpe (Abb. 15) entlüften.
z Damit die Restluft entweichen kann, Kappe am
automatischen Entlüfter (Abb. 16) eine Umdrehung
aufdrehen. Sollte der Druck durch das Entlüften
abgefallen sein, Wasser nachfüllen.
z Schlauch abziehen, Schlauchtülle abschrauben und
Abdeckkappe aufschrauben.
z Brennerabdeckung anbringen.
5.1.3 Dichtheitskontrolle
z Anlage stromlos machen.
Abb. 15 Entlüftungsventil an der Umwälzpumpe
Abb. 16 Automatischer Entlüfter
Abb. 17 Gasabsperrhahn
1
2
VORSICHT!
VORSICHT!
Vor der Erstinbetriebnahme neuen
Leitungsabschnitt bis einschließlich der
unmittelbaren Dichtstelle an der Gasbren-
nerarmatur auf äußere Dichtheit prüfen.
Dabei darf der Prüfdruck am Eingang der
Gasbrennerarmatur maximal 150 mbar
betragen.
Wird bei dieser Druckprüfung eine
Undichtheit festgestellt, eine Lecksuche
an allen Verbindungen mit einem
schaumbildenden Mittel durchführen.
Das Mittel muss die Zulassung als Gas-
Dichtheitsprüfmittel besitzen. Das Mittel
nicht auf elektrische Leitungen bringen!
16


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