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48 2300i • 6721838073 (2021/10)
15 | Inspectie en onderhoud
1. Verwijder de klem.
2. Element uittrekken.
3. Filter op vervuiling controleren.
Afb. 70 Controleren filter in koudwaterleiding
15.6 Platenwisselaar controleren
Bij onvoldoende warmwatervermogen:
Controleer filter in koudwaterleiding op vervuiling.
Ontkalk de platenwisselaar met een voor roestvast staal (1.4401)
vrijgegeven ontkalkingsmiddel.
-of-
Demonteer de platenwisselaar en vervang deze.
1. Verwijder de schroef.
2. Verwijder de platenwisselaar.
Afb. 71 Platenwisselaar demonteren
15.7 Expansievat controleren
Controleer het expansievat jaarlijks.
Breng eventueel de voordruk van het expansievat op de statische
hoogte van de cv-installatie.
15.8 Bedrijfsdruk van de cv-installatie instellen
Tabel 89
Wanneer de wijzer onder 1 bar staat (bij koude installatie):
Vul water bij, tot de wijzer tussen 1 en 2 bar staat.
Wanneer de druk niet wordt vastgehouden:
Controleer de cv-installatie op dichtheid en het expansievat op zijn
goede werking.
15.9 Gasregelblok demonteren
Sluit de gaskraan.
Connector lostrekken.
Draai de wartelmoer boven op het gasregelblok los.
Trek de gasslang en drukreduceerder af.
Wartelmoer onder op gasregelblok losdraaien.
Afb. 72 Trek de connector los en maak de wartelmoeren los
1.
2.3.
0010006636-002
Aanwijzing op manometer
1 bar Minimale vuldruk (bij koude installatie)
1 - 2 bar Optimale vuldruk
3 bar Maximale vuldruk bij de hoogste temperatuur van het
cv-water mag niet worden overschreden (overstort-
ventiel opent).
2.
3.
4.
1.
0010040391-001
48


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