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20 Montage- und Wartungsanweisung Logamax U122-11 • Ausgabe 05/2005
Änderungen aufgrund technischer Verbesserungen vorbehalten!
Inbetriebnahme5
5.2.6 Gasanschlussdruck (Fließdruck) messen
z Mindestens ein Heizkörperventil öffnen.
z Gasabsperrhahn schließen.
z Verschlussschraube am Prüfnippel für
Gasanschlussdruck (Abb. 22) zwei Umdrehungen
lösen.
z Messschlauch des Druckmessgeräts auf den
Prüfnippel aufstecken.
z Gasabsperrhahn langsam öffnen.
z Schornsteinfegerschalter (Abb. 21) in Stellung "1"
stellen.
z Anlage elektrisch in Betrieb nehmen (Abb. 23).
Nach einer Wartezeit von ca. 30 Sek. zündet der
Brenner.
z Gasanschlussdruck messen und in Protokoll
eintragen.
Bei Erdgas: Der Gasanschlussdruck muss min. 17,
max. 25 mbar (Nennanschlussdruck 20 mbar)
betragen.
Bei Propan: Der Gasanschlussdruck muss
min. 42,5, max. 57,5 mbar (Nennanschlussdruck
50 mbar) betragen.
z Schornsteinfegerschalter (Abb. 21) in Stellung "0"
stellen.
z Gasabsperrhahn schließen.
z Messschlauch wieder abziehen und
Verschlussschraube am Prüfnippel festziehen.
z Gasabsperrhahn langsam öffnen.
Abb. 21 Schornsteinfegerschalter
12
01
11
KW
WARNUNG!
ACHTUNG!
Der Umlaufwasserheizer darf noch nicht
eingeschaltet sein!
Abb. 22 Gasanschlussdruck messen
Abb. 23 Betriebsschalter
20


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