Concentric Chimney Lay Out Page - Trimline 2050 OH Instrucciones De Instalación

7. CONCENTRIC CHIMNEY LAY OUT
Table of concentric pathways
Pathway
Indirect exterior wall outlet
Roof pass-through without slope
Roof pass-through with 45º slope**
Roof pass-through with 90º slope***
45° bend: calculation length 1 metre
90° bend: calculation length 2 metres
* length excluding roof or exterior wall outlets. Always adhere to a starting length of 1 metre! for NG appliances
** length excluding roof or exterior wall outlets. Always adhere to a starting length of 1 metre! for LPG appliances
*** Vertical: horizontal ratio X + X1 + X2 : Y ≥ 2 : 1
**** Vertical: horizontal ratio X + X1 : Y ≥ 2 : 1
Determination of restriction:
Wall pass-through - 1 metre vertical, 90° bend, max. 5 metres horizontal, Wall pass-through no restriction.
Roof pass-through - 2 to 4 metres vertical + roof pass-through, fit 30 mm restriction plate.
Roof pass-through - 4 to 7 metres vertical + roof pass-through, fit 55 mm restriction plate.
A
X
X
E
Illustrati- X totaal in Y totaal in
on
metres
min* max* min* max*
A-B 1
C 2
D 3
E 1
Y
C
Restriction
metres
1080
0
3 3
12 from 3 meter
12 0 from 3 meter
4
12 0 from 3 meter
2
X
X
Y
B
D
Y
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