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Änderungen aufgrund technischer Verbesserungen vorbehalten!
Montage- und Wartungsanweisung Nefit Economy VR(C) 20/24/24 cw4 • Ausgabe 11/2001
Nefit Buderus B. V. • http://www.Nefit.nl
Installeren 4
VR-toestel Diameter
[mm]
20 kW
[Pa]
24 kW
[Pa]
24 cw4
[Pa]
P
w max
100
60 met reduceerring
65
45 met reduceerring
Parallelle rookgasafvoer
Diameter reduceerring [mm]
p
w
< 60 Pa
- 40 -
Diameter reduceerring [mm]
p
w
< 45 Pa
- - 47
45˚ bocht 80 2,84 3,6 4,42
100 0,67 1 1,4
90˚ bocht 80 8,8 11,14 13,7
100 2,4 3,58 5
1 m buis 80 1,7 2,16 2,65
100 0,55 0,8 1,15
Parallelle luchttoevoer
45˚ bocht 80 1,25 1,53 1,84
100 0,28 0,45 0,7
90˚ bocht 80 3,96 4,82 5,81
100 1,4 1,8 2,5
1 m buis 80 0,86 1,04 1,25
100 0,28 0,4 0,6
Concentrische
Diameter reduceerring [mm]
p
w
< 60 Pa
41 43,5 -
Diameter reduceerring [mm]
p
w
< 45 Pa
- - 43.5 (80/125)
45˚ bocht 60/100 6,7 10,7 15,5
80/125 2,3 3,6 4,8
90˚ bocht 60/100 10,5 16 24
80/125 3,6 5,6 8
1 m buis 60/100 8,5 12,2 17,6
80/125 2,5 3,7 5,15
Doorvoer
Dakdoorvoer 60/100 35,1 43,5 65
80/125 22,4 28 34,1
Muurdoorvoer 60/100 16,9 21,1 25,7
80/125 13,6 16,8 20,3
Tabel 2 Weerstanden (Ubbink, Muelink & Groll)
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