18
NOTE!
Further details in the section
‘‘Technical Information’’ on the
boiler page of the www.unicalag.it
website
TOTAL LENGTH (LS)
DOUBLE Ø80
FROM [m] TO [m]
1 30
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.
C83x C83
Connection to a terminal for combustion air intake
and ue gas exhaust via a single or collective
chimney.
C93x C93
Air / ue gas through concentric pipes in the boiler
room and single pipes in the chimney (combustion
air with counterlow in the chimney)
C63x C63
Boiler intended for connection to a combustion air
intake and combustion products evacuation system,
approved and sold separately
in force.
For the type of connection the
room follows the same installation rules
for boilers with natural draught.
Please note:
These values relate to exhausts/
made by means of rigid pipes and
smooth original UNICAL.
CAUTION
LT total length is a reference value
for the dimensioning of the ducts of A
(intake) and S (Exhaust). Subtracting
the values of LT reported, at values of
bends* / terminals* / extensions* you
get the value:
if > 0 = OK - POSSIBLE conguration
if < 0 = NO - WRONG conguration
(*) Values in the MT018 available on the website.
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