18
LINEAR LENGTH
DOUBLE Ø80
FROM
[m]
UP TO
[m]
0.5
(2)
25
(1) (5)
Connection to a combustion products evacuation
pipe outside the room; the combustion air is tak-
en directly from the room where the appliance is
installed.
LINEAR LENGTH
DOUBLE Ø80 DOUBLE Ø60
FROM
[m]
(2)
UP TO
[m]
FROM
[m]
(2)
UP TO
[m]
0.5 - 0.5 46
(1) (3)
0.5 - 0.5 29
(1) (4)
Separate combustion air intake and combustion
products evacuation pipes.
These pipes can discharge into areas with different
pressure.
C53
B23
ATTENTION:
The ue must comply with standards
in force.
C63
Boiler intended for connection to a combustion
air intake and combustion products evacuation
system, approved and sold separately.
ATTENTION
for this type of con-
nection the room
follows the same in-
stallation rules for
boilers with natural
draught.
NOTE!
Further details in the section
‘‘Technical Information’’ on the
boiler page of the www.unicalag.it
website
Collective chimney ue system, consisting of two
pipes, one for combustion air intake and the other
one for combustion products evacuation, coaxial
or double.
C43
Connection to a terminal for combustion air intake
and ue gas exhaust via a single or collective
chimney.
C83
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