Installation info
15
fig. 11
fig. 12
600
475
880
120
167
Ø 80
182
®
plus
DUA
2.2.8 - SMOKE EVACUATION
THROUGH TWO SEPARATE
DUCTS Ø 80
(Type B accessories)
NB: The maximum allowed pressure
drop, according to the installation
type, must be equal to the value
indicated in the installation
examples given on page 17.
For installations with smoke
evacuation through separate
ducts, whose pressure drop value
is between 15 Pa and 30 Pa, it is
necessary to fit a diaphragm,
supplied with the boiler, inside the
smoke outlet (see fig. 11).
Diaphragm
Neoprene
gasket
Diaphragm
From
ΔΔ
ΔΔ
Δ
P=40 Pa
DIMENSIONS FOR CONNECTION THE AIR INTAKE AND THE FLUE GAS DISCHARGE WITH DUAL DUCTS
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