Manual Viessmann DHW Booster HP - 170L (page 48 of 72) (German)

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Maßnahme Erledigt Bemerkung

Lecksuche

Folgende Lecksuchverfahren sind geeignet für Anla-

gen mit brennbarem Kältemittel:

Lecksuche mit elektronischen Kältemitteldetektoren:

■Elektronische Kältemitteldetektoren haben ggf. nicht

die erforderliche Empfindlichkeit oder müssen auf

den jeweiligen Bereich kalibriert werden. Kalibrie-

rung in einer kältemittelfreien Umgebung durchfüh-

ren.

■Der Kältemitteldetektor muss sich für das zu detek-

tierende Kältemittel R290 eignen.

■Der Kältemitteldetektor darf keine potenziellen Zünd-

quellen enthalten.

Kältemitteldetektor auf das verwendete Kältemittel ka-

librieren. Die Ansprechschwelle auf < 3 g/a einstellen.

Lecksuche mit Lecksuchflüssigkeiten:

■Lecksuchflüssigkeiten sind in Verbindung mit den

meisten Kältemitteln geeignet.

!Achtung

Chlorhaltige Lecksuchflüssigkeiten reagieren

ggf. mit dem Kältemittel. Dadurch entsteht ggf.

Korrosion.

Chlorhaltige Lecksuchflüssigkeiten nicht ver-

wenden.

Maßnahmen bei Auftreten eines Lecks im Kältekreis:

■Alle offenen Flammen in der Umgebung der Wärme-

pumpe sofort löschen.

■Falls zur Behebung des Lecks Lötarbeiten erforder-

lich sind, immer das gesamte Kältemittel aus dem

Kältekreis absaugen.

■Die zu Lötende Stelle vor und während des Lötvor-

gangs mit sauerstofffreiem Stickstoff spülen.

Instandhaltung

Checkliste für Arbeiten zur Instandhaltung (Fortsetzung)

6179485

Instandhaltung

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Viessmann DHW Booster HP - 170L Manual

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