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Beschreibung:
Rücklauftemperatur in Erdwär-
mepumpe höher als ca. 55 °C
(GT9)
Alarm quittieren:
Nach Absinken der Temperatur
wird der Alarm automatisch
zurückgesetzt und die Erdwär-
mepumpe läuft an.
Wärmeeinstellung (Wärme +/–
) ist zu hoch justiert
Wärmeeinstellung
(Wärme +/–) niedriger jus-
tieren
Warmwassertemperatur zu
hoch eingestellt
Service-Fachmann infor-
mieren
Ventile für Heizkörper oder
Fußbodenheizung geschlossen
Ventile öffnen
Durchfluss in der Erdwärme-
pumpe ist größer als der
Durchfluss im Heizsystem
Niedrigere Drehzahl für
Umwälzpumpe in der Hei-
zungspumpe P2 einstel-
len oder höhere Drehzahl
für externe Heizungs-
pumpe P1 einstellen, Ser-
vice-Fachmann informieren
Beschreibung:
Wassertemperatur am Aus-
gang der Erdwärmepumpe
höher als ca. 75 °C (GT8)
Alarm quittieren:
Nach Absinken der Temperatur
wird der Alarm automatisch
zurückgesetzt und die Erdwär-
mepumpe läuft an.
Zu geringer Fluss zur Erdwär-
mepumpe
Kontrollieren ob Umwälz-
pumpe steht oder ein Ven-
til geschlossen ist
Schmutzfilter im Heizungskreis
verstopft
Schmutzfilter kontrollie-
ren, ggf. reinigen
Display-Anzeige/
Beschreibung/Quittierung Ursache Abhilfe
Tab. 3
36


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