Concentric Chimney Lay Out Page - Thermocet TRIMLINE Serie Instrucciones De Instalación

8. CONCENTRIC CHIMNEY LAY OUT
Table of concentric chimney lay out
Lay out
Indirect exterior wall outlet
Roof termination without elbows
Roof termination with 45º elbows**
Roof termination with 90º elbows***
45° elbow: calculation length 1 meter
90° elbow: calculation length 2 meter
Reduction from the diameter of the two 130-200 100-150 can be performed, see C, D and E Examples below. These are
the basic recommended lengths & lay outs. When deviated lay out or lengths are occurring please ask your supplier for
more detailed advice
* recommended length excluding roof or wall terminals. Always starting length of 1 meter!
** Vertical: horizontal ratio X + X1 + X2 : Y ≥ 2 : 1
*** Vertical: horizontal ratio X + X1 : Y ≥ 2 : 1
0-3 meter
3-7 meter
7-12 meter
45° : X totaal - Y = 3-7 meter
45° : X totaal - Y = 7-12 meter
90° : X totaal - Y = 4-7 meter
90° : X totaal - Y = 7-12 meter
Natural gas max. 5 meter + wall outlet / LPG max.3 meter + wall outlet
1m 90° wall outlet
1-4m 90° 5.5m wall outlet
A
X
D
Illustration X total in
meter
min* max* min* max*
A-B 1
C 2
D 3
E 1
Restriction conditions all gas types
vertical lay out
Vertical path with bends
Horizontal lay out
Y
Y total in
meter
1133 t/m 1152
5 0 5
12
12 0 4 from X totaal - Y > 3 meter
12 0 2 from X + X1- Y > 4 meter
restriction
no
30 mm
50 mm
30 mm
50 mm
30 mm
50 mm
restriction
no
no
B
C
E
Restriction
none
from 3 meter
Y
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