Atag XL75W - Page 35

35
Flue gas connection
We recommend the use of ATAG
FRPSUHKHQVLYHUDQJHRIÀXHJDV
components.
For further information, please see the
installation instructions:
- wall terminals
- roof terminals
 ÀXHSLSHFRPSRQHQWVERWK
individual pipes and concentric tubes.
Regulations about the construction
DQGLQVWDOODWLRQRIÀXHJDVV\VWHPV
DUHGLႇHUHQWIURPFRXQWU\WRFRXQWU\
It must be ensured that all national
regulations with regard to chimney
systems are observed.
Notes
The tables below give guidance on
WKHPD[LPXPOHQJWKVRIDLUDQGÀXH
gas tubes that may be connected. If a
room sealed installation is being made
XWLOLVLQJVHSDUDWHDLUDQGÀXH
gas tubes, the lengths of both tubes
must be added together and not
exceed the relevant value given in the
tables.
7KHUDGLXVRIDQ\EHQGXVHGLQWKHÀXH
gas system must not exceed 87.5°.
Walls that are sensitive to heat
should be insulated.
&RQVWUXFWWKHÀXHV\VWHPLQVXFK
way that no recirculation may take
place.
Installation
Connections
$LUÀXHJDVGXFWVIRULQGLYLGXDOERLOHUV
$OOERLOHUPRGHOVKDYHDSDUDOOHOÀXH
connection.
5HTXLUHGPLQLPXPÀXHHQFORVXUHVKDIWFURVVVHFWLRQ
'LDPHWHUÀXHGXFW Square shafts Round shafts
100 mm 140 x 140 mm 160 mm
It is not necessary to install a separate
FRQGHQVDWHGUDLQIRUWKHÀXHJDV
system, since the condensate will be
ÀXVKHGRXWYLDWKHERLOHUDQGLQWRWKH
siphon. Please observe the following
recommendations:
- Only use corrosion-resistant
material
- The diameter must be calculated
and selected according to the
national regulations.
 7KHOHQJWKRIWKHÀXHJDVV\VWHP
must be kept as short as possible
(and must not exceed the maximum
permitted length, see the table
below)
 +RUL]RQWDOÀXHJDVWXEHVPXVWKDYH
an inclination of at least 3° back
towards the boiler.
Air supply connection
If required, a separate room sealed
air supply tube may be connected.
The diameter must be calculated in
conformity with national regulations
DQGLQFRPELQDWLRQZLWKWKHÀXHJDV
gas system. The overall resistance
RIWKHDLUVXSSO\DQGÀXHJDVWXEHV
may not exceed the maximum supply
pressure of the Fan at any time. (Also
see the Chapter “Technical data” and
the table below)
Dimensioning (reference value)
Ø tubes (open or parallel tubes
room sealed installation)
Maximum length in metres
(roof terminal not included)
Changes of direction 0234
XL75W
Ø100 mm
60 56 54 52
XL105W 34 30 28 26
XL125W 17 13 11 9
XL150W 16 12 10 8
XL180W
Ø130 mm
35 30 27 25
XL210W 30 25 22 20
Ø tubes (concentric room sealed
installations)
Maximum length in metres
(roof terminal included)
Changes of direction 0234
XL75W
Ø100/150 mm
14 11 9 8
XL105W 12 9 7 6
XL125W 8532
XL150W 9653