Ambirad COBRA CB40 Instrukcja instalacji, obsługi, konserwacji i serwisu - Strona 17

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Example
inlet resistance of actual flue
outlet resistance of actual flue
inlet resistance of equivalent flue
outlet resistance of equivalent flue
is the vertical height of the actual or proposed
flue measured from the flue spigot
other resistances of actual flue
terminal (1)
90˚ bend (0)
135˚ bend (0)
flue pipe
He =
Note 1m of actual flue (with two 90˚ bends) gives the minimum equivalent flue height of 0.25m (for 100mm diameter flue) and 0.62m
(for 125mm diameter flue).
The maximum equivalent flue height for 100mm diameter flue is 2.50m and for 125mm diameter flue the maximum equivalent flue
height is 6.22m (with two 90˚ bends).
Ambi-Rad stocks an extensive range of flue pipe and accessories that are compatible with the cobra range of heaters. For details
contact our Sales Department.
Figure 29 Example layout of a typical flue arrangement
100mm diameter
2.5
2.5
1
1
7
0.6
0
0
5.46
6.06
2.50
125 diameter
1
1
1
1
7
0.25
0
0
1.75
2
6.22
1 5