vision trimline TL73, Installation Instructions Manual

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X
6.0 CONCENTRIC FLUE LAYOUT
PAGE 11
Y
A
B
X
Y
C
X
D
E
TABLE OF CONCENTRIC FLUE LAY OUT
Lay out Illustration X total in Y total in Restriction
min* max* min* max*
Indirect exterior wall outlet A-B 1 5 0 5 None
Roof termination without elbows C 2 12 from 3 meter
Roof termination with 45º elbows** D 3 12 0 4 from X total + Y > 3 meter
Roof termination with 90º elbows*** E 1 12 0 2 from X + X1- Y > 4 meter
RESTRICTION CONDITIONS ALL GAS TYPES
Vertical lay out
restriction
0-3 meter no
3-7 meter 30mm
7-12 meter 50mm
Vertical path with bends
45° : X total - Y = 3-7 meter 30mm
45° : X total - Y = 7-12 meter 50mm
90° : X total - Y = 4-7 meter 30mm
90° : X total - Y = 7-12 meter 50mm
Horizontal lay out max. 5.5 Wall terminal
restriction
1m+ 90°+ wall terminal no
1- 4m+90°+5,5m+ wall terminal no
45° elbow: calculation length 1 meter
90° elbow: calculation length 2 meter
Reduction from diameter 130-200 to 100-150 can be made, see below C,D and E examples
* 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