System conditions 5
0020058722_04 Air/flue gas system Installation manual 13
5.1.2 Flue gas pipe in the shaft, combustion air from the installation room
ecoCRAFT VKK../3-E-HL
806 1206 1606 2006 2406 2806
System
Shaft cross-sec-
tion:
At least
Maximum total pipe length (L1 + L2 + L3)
130 mm
diameter
Round: DN + 60 mm
Angular: DN + 40
mm
33.0 m
plus 3 x 87° diversions and support elbow
‒
160 mm
diameter
50.0 m
plus 3 x 87° diversions and support elbow
‒
200 mm
diameter
‒
50.0 m
plus 3 x 87° diversions and support elbows
The horizontal flue gas pipe must have a maximum length of 6 m, minus the three 87° diversions.
5.1.3 Flue gas pipe in the shaft, combustion air through the external wall
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