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Montage- en bedieningsrichtlijnen
Gascondensatieketel WTC-GB 470-A en WTC-GB 620-A
8 Inbedrijfstelling
83322107 1/2022-04 La 100-204
8.1.3 Dichtheid van de gasarmatuur controleren
Dichtheidscontrole uitvoeren:
vóór de inbedrijfstelling;
na alle service- en onderhoudswerken.
Eerste testfase Tweede en derde testfase
Testdruk 100 mbar ±10 % 100 mbar ±10 %
Wachttijd voor drukstabilisatie 5 minuten 5 minuten
Testtijd 5 minuten 5 minuten
Toegelaten drukverlies 1 mbar 5 mbar
Eerste testfase
Enkel in verbinding met W-MF en gasaansluitdruk > 150mbar
In de eerste testfase moet de testinrichting op de drukregelaar aangesloten
worden.
Gasarmatuur op dichtheid controleren, zie bijvoegblad (druknr. 835109xx).
In de eerste fase armatuur van de gaskogelkraan tot het eerste ventiel in het
multiblok controleren.
Brander uitschakelen.
Gaskogelkraan sluiten.
Testinrichting aansluiten.
Meetpunt tussen ventiel 1 en ventiel 2 openen.
Controle overeenkomstig tabel doorvoeren.
Tweede testfase
In de tweede fase ventieltussenruimte in het multiblok controleren.
Testinrichting aansluiten.
Controle overeenkomstig tabel doorvoeren.
Derde testfase
In de derde fase armatuur van het multiblok naar de gassmoorklep controleren.
Mengselverdeler uitbouwen [hfst.10.3].
Steekschijf 4 inzetten.
Mengselverdeler inbouwen.
Testinrichting aansluiten.
Controle overeenkomstig tabel doorvoeren.
Alle meetpunten sluiten.
Steekschijf weer verwijderen.
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