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Aanwijzingen voor de montage 4
33
Wijzigingen op basis van technische verbeteringen voorbehouden!
Montage-, onderhouds- en bedieningsvoorschrift U012-24/24 K/28 K en U014-24/24 K • Uitgave 09/2003
Buderus Verwarming – Chauffage • http://www.buderus.be
Voorbeeld voor controle bij toepassing van een
bocht:
4.1.12 Rendement bepalen
Concentrische rookgasleiding
Om het rendement van de gaswandketel te bepalen,
moeten de volgende metingen uitgevoerd worden:
Meting van de temperatuur van de luchttoevoer
(in °C) in de opening 2 (afb. 28, pos. A).
Meting van de temperatuur van de rookgassen
(in °C) en van het CO2- of O2-gehalte (in %) in de
opening 1 (afb. 28, pos. A).
Deze metingen moeten gedaan worden bij een
gelijkmatige en constante werking van de
gaswandketel.
Parallele rookgasleiding
Om het rendement van de gaswandketel te bepalen,
moeten de volgende metingen uitgevoerd worden:
Meting van de temperatuur van de luchttoevoer
(in °C) in de opening 2 (afb. 28, pos. B).
Meting van de temperatuur van de rookgassen
(in °C) en van het CO2- of O2-gehalte (in %) in de
opening 1 (afb. 28, pos. B).
Deze metingen moeten gedaan worden bij een
gelijkmatige en constante werking van de
gaswandketel.
twee bochten van 90° (Ø 80 mm) + twee
klembanden met manchet
10 Pa
(U012-28 K) 17 m leiding Ø 80 mm × 2 Pa (34 Pa)
(U012-24 / (U012-24 K) 12 m leiding
Ø 80 mm × 2 Pa (24 Pa)
twee bochten van 90° (Ø 80 mm) × 4 Pa
8 Pa
horizontale aansluiting luchttoevoer
Ø80mm=
3 Pa
horizontaal eindstuk Ø 80 mm = 5 Pa
Som van alle weerstanden (U012-28 K) = 60 Pa
Som van alle weerstanden (U012-24
U012-24 K) = 50 Pa
Afb. 28 Rendement bepalen
Rookgas
Lucht-
toevoer
Luchttoevoer
Meetvoeler
Rookgas
Meetvoeler
Luchttoevoer
Meetvoeler
Rookgas
Meetvoeler
Kapje
Kapje Kapje
A
B
33


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