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Wijzigingen op grond van technische verbeteringen voorbehouden!
Installatie-instructie Nefit Geiser • uitgave 10/2007
Technische gegevens en afmetingen2
Nefit B.V.
2.8 Elektrisch schema
Afb. 6 Elektrisch schema
5 Schakelaar/LED - indicatie van een lage waterdruk
14 Ontsteking
16 Ontsteker
17 Ionisatiesonde
19 Hydrogenerator
34 Servoklep (normally open)
36 Waakvlamklep (normally closed)
39 Temperatuurregelaar
40 Rookgasbeveiliging
41 Diafragmaklep
2.9 Werking
Deze geiser beschikt over een automatische, elektrische
ontsteking, waardoor de bediening vereenvoudigd wordt.
V Zet hiervoor de schakelaar op aan (afb. 9).
Nadat dit is gedaan, wordt de automatische ontsteker
gestart op het moment dat de heetwaterkraan wordt geo-
pend.
Eerst gaat de waakvlam aan en ca. 4 seconden later even-
eens de hoofdbrander. De waakvlam gaat na korte tijd
weer uit.
Op deze manier wordt veel energie bespaard, omdat de
waakvlam slechts gedurende de minimaal noodzakelijke
tijd brandt om de hoofdbrander te ontsteken, in tegenstel-
ling tot traditionele ontstekingssystemen waar de waak-
vlam altijd brandt.
In dat geval:
V Sluit en open de heetwaterkraan om het ontstekings-
proces te herhalen totdat alle lucht is verdwenen.
Soms mislukt de ontsteking omdat er nog
lucht in de gasleiding zit.
8


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