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Wijzigingen op grond van technische verbeteringen voorbehouden!
Installatie-en gebruikersinstructie • F2500 VE-N F3300 VE-N • Ausgabe (2011/03)
Rookgasafvoer5
Nefit B.V. • http://www.nefit.nl
5 Rookgasafvoer
5.1 Collectief Luchttoevoer Verbran-
dingsgasafvoersysteem
De Nefit ventilatorgeiser is geschikt voor de meeste Col-
lectieve Luchttoevoer- Verbrandingsgasafvoer systemen.
(CLV systemen).
Concentrische en parallelle CLV systemen moeten vol-
doen aan de Gastec criteria QA 138 en half CLV syste-
men (ook wel CRI of CRB systemen genoemd) moeten
voldoen aan de Gastec QA 163 criteria.Voor het bepalen
van de diameter met de Nefit ventilatorgeiser F 2500 VE-
N en de F 3300 VE-N kan de hierna volgende tabel wor-
den gebruikt;
Aandachtspunten bij CLV systemen zijn:
Het uitgangspunt bij gebruik van deze tabel is dat er
geen bochten of verslepingen e.d. in het systeem wor-
den aangebracht. Bij afwijkende uitvoeringen kunt u
voor advies contact opnemen met Nefit.
Aan de voet van het CLV systeem dient geen drukver-
effeningsopening te worden aangebracht. Voor afvoer
van condenswater moet echter wel een aansluiting op
het riool aanwezig zijn.
GEISER F 2500 VE-N GEISER F 3300 VE-N
aantal
toestellen
RGA D
in mm
LTV
concentrisch D
in mm
LTV parallel D
in mm
RGA D
in mm
LTV
conentrisch D in
mm
LTV parallel D in
mm
2 120 230 200 130 250 210
3 130 250 210 140 270 235
4 140 270 235 150 290 250
5 150 290 250 165 305 265
6 160 300 260 175 325 280
7 170 315 270 185 345 300
8 180 335 285 195 370 315
9 185 350 300 205 390 335
10 195 370 315 215 410 350
11 200 380 325 220 420 360
12 205 390 335 230 430 370
13 215 410 350 235 440 380
14 220 420 360 240 450 385
15 230 430 370 250 470 395
16 240 450 385 260 485 410
17 250 470 395 270 500 425
18 255 480 400 275 520 440
19 260 485 410 280 530 450
20 260 485 410 285 535 460
Tabel 8
10


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