Important
The shaft must comply with the air density requirements of the
local regulations.
Important
Always clean shafts thoroughly when using lining pipes and/or
an air supply connection.
It must be possible to inspect the lining duct.
6.5.3 Material
Use the string on the flue gas outlet material to check whether it is suitable
for use on this appliance.
1
EN 14471 of EN 1856–1: The material is CE approved according to
this standard. For plastic this is EN 14471, For aluminium and
stainless steel this is EN 1856-1.
2
T120: The material has temperature class T120. A higher number
is also allowed, but not lower.
3
P1: The material falls into pressure class P1. H1 is also allowed.
4
W: The material is suitable for draining condensation water
(W=’wet’). D is not allowed (D=’dry’).
5
E: The material falls into fire resistance class E. Class A to D are
also allowed, F is not allowed. Only applicable to plastic.
Warning
The coupling and connection methods may vary depending on
the manufacturer. It is not permitted to combine pipes, coupling
and connection methods from different manufacturers. This also
applies to roof feed-throughs and common channels.
The materials used must comply with the prevailing regulations
and standards.
Tab.15 Overview of material properties
Version Flue gas outlet Air supply
Material Material properties Material Material properties
Single-wall, rigid
Plastic
(1)
Stainless steel
(2)
Thick-walled,
aluminium
(2)
With CE marking
Temperature class T120 or
higher
Condensate class W (wet)
Pressure class P1 or H1
Fire resistance class E or bet
ter
(3)
Plastic
Stainless steel
Aluminium
With CE marking
Pressure class P1 or H1
Fire resistance class E or bet
ter
(3)
(1) according to EN 14471
(2) according to EN 1856
(3) according to EN 13501-1
Fig.24 Minimum dimensions of shaft or
duct
Fig.25 Sample string
EN 14471 - T120 P1 W 1 O50 LI E U0
EN 1856-1 - T120 P1 W VxL40045 G(xx)
1
3
2
4
5
6 Installation
32 AMC 7686707 - v.01 - 06092018
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