CLV overpressure system (C
43P
, C
(10)3(X)
, C
(12)3(X)
concentric)
L
Total length of the flue gas outlet and air supply duct
Connecting the flue gas outlet
Connecting the air supply
For a concentric version of C
(12)3(X)
it is allowed to add 2 m extra to the
length of the flue gas discharge.
Tab.20 Maximum chimney length (L)
Diameter 60/100 mm
80/125 mm
(1)
AMC 15
17 m
20 m
(1)
AMC 25
11 m
20 m
(1)
AMC 25/28 MI
9 m
20 m
(1)
AMC 35 6 m 20 m
(1) Retaining the maximum length, it is possible to use an extra 5 x 90º or 10 x
45º elbows.
Half CLV overpressure system ( C
(12)3(X)
parallel)
L
Total length of the air supply duct and flue gas outlet duct to the
common part
Connecting the flue gas outlet
Connecting the air supply
Important
The maximum permitted height difference between the
combustion air supply and the flue gas outlet is 36 m.
Tab.21 Maximum chimney length (L)
Diameter 60/100 mm
80/125 mm
(1)
AMC 15
22 m
40 m
(1)
AMC 25
12 m
40 m
(1)
AMC 25/28 MI
12 m
40 m
(1)
AMC 35 7 m 40 m
(1) Retaining the maximum length, it is possible to use an extra 5 x 90º or 10 x
45º elbows.
Reduction table
Tab.22 Pipe reduction for each element used (parallel)
Diameter 60 mm 70 mm 80 mm 90 mm 100 mm 110 mm 130 mm
45° bend 0.9 m 1.1 m 1.2 m 1.3 m 1.4 m 1.5 m 1.6 m
90° bend 3.1 m 3.5 m 4.0 m 4.5 m 4.9 m 5.4 m 6.2 m
Tab.23 Pipe reduction for each element used (concentric)
Diameter 60/100 mm 80/125 mm 100/150 mm
45° bend 1.0 m 1.0 m 1.0 m
90° bend 2.0 m 2.0 m 2.0 m
Fig.30 Room-sealed version
Fig.31 Different pressure zones
6 Installation
7686707 - v.01 - 06092018 AMC 35