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Dimensioning
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system, it’s necessary to perform
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system in order to verify if the
choosen
system
is
applicable.
The following table shows an
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system, including the maximum
possible length of the system.
This
example
only
give
an
indication of the possible length, but
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system has to be calculated by an
authorized company.
7KH PD[LPXP QHJDWLYH ÀXH JDV
pressure, which doesn’t affect the
burner modulation ratio, is 30 Pa.
Higher negative pressure will lead
to limitation of the burner modulation
ratio.
7KHPD[LPXPKRUL]RQWDOÀXHJDVZD\
is 20 m. With horizontal ways longer
than 20 m, a faultless burner start in
cold condition can not be guaranteed.
Installation
Air/Flue gas system dimensioning
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system
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Length reduction factor
t
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t
1,5 meters per each 45/43° bend
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system
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Length reduction factor
t
PHWHUVSHUHDFKEHQG
t
1 meter per each 45/43° bend
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Maximum permissible height (h) of flue gas
system in m
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TH-L 65
6
61
7+/
7+/
7+/
TH-L 145
14
27
34
36
TH-L 50
6
61
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7+/
7KH7+,6,21/ERLOHUPRGHOV
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WR
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[EHQG
Maximum permissible height (h) of flue gas
system in m
%RLOHUW\SH
TH-L 65
10
65
7+/
TH-L 100
20
34
42
44
7+/
7+/
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7RWDOFRQQHFWLRQOHQJWKLQERLOHUURRPP
[EHQG
%RLOHUW\SH
7+/
7+/
7+/
TH-L 50
10
65
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7+/
7KH7+,6,21/ERLOHUPRGHOV
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WR
0XHOLQN *URO
Ø80
Ø100
Ø120
Ø125
Ø130
Lmax
[m]
Lmax
[m]
Lmax
[m]
Lmax
[m]
Lmax
[m]
24
40
13
40
22
33
26
40
40
17
24
40
40
12
17
40
Equivalent length in m
Straight
pipe
Bend R=D
90°/87°
Bend R=D
45°/43°
Ø80
1
1.5
0.8
Ø100
1
1.8
0.9
Ø120
1
2
1
Ø125
1
2.2
1
Ø130
1
2.2
1
Ø 100 / 150
7
6
7
Equivalent length in m
Coaxial
pipe
Bend R=D
90°/87°
Bend R=D
45°/43°
Ø100/150
1.5
1
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7KH%RLOHUERLOHUPRGHOV
100 and 120 can be connected to a
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Via a parallel-to-concentric adap-
ter (optional) the boiler can be con-
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t
100/150 concentric system
6HHWDEOHIRUPD[SHUPLVVLEOHÀXH
lengths.
R40 45/50
R40 65
R40 85
R40 100
R40 120
R40 150
R40 45/50
R40 65
R40 85
R40 100
R40 120