21
ENGLISH
Installation Instructions
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 configuration
if < 0 = NO
- WRONG configuration
(*) Values in the
MT018
available on the website.
ATTENTION:
For the type of connection
B23P
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.
Please note:
Insert a condensate collector siphon
at the base of the smoke kit because
the boiler is not fitted to receive
the condensate drain from the
evacuation system of combustion
products.
B23P
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 flue gas exhaust via a single or collective
chimney.
C93x
C93
Air / flue 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
ATTENTION:
The flue must comply with standards
in force.
