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Installation info
2.2.8 - SMOKE EVACUATION Ø 80
WITH AIR SUCTION
FLANGE - Type B22
(see par. 2.2.6)
Note: For evacuation system with 80 mm dia.
and a lenght between 0.5 m and 4 m, it
is necessary to introduce a diaphragm
of 44 mm dia. supplied with the boiler in
the plastic bag, into the fun outlet adap-
tor (see fig. 11).
The maximum allowed length for a smo-
ke pipe of Ø80 mm dia. is 20 m (for
IVEN 04 RTFS 24 e IVEN 04 CTFS 24
F) and 25 m (for IVEN 04 RTFS 24 e
IVEN 04 CTFS 28 F), included a wide
radium curve and one smoke terminal.
For this type of installation the chim-
ney has to serve just one boiler, i.e. the
boiler must have its indipendent smo-
ke duct.
fig. 11
fig. 12
Diaphragm
Ø 44 mm
Fitting of the diaphragm Ø44
WARNING:
For the installation where there
is a freezing risk it is dia. sug-
gested to insulate the smoke
duct 80 mm on all its length,
both in case it discharges from a vertical wall
or in a chimney.
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