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prevent a direct contact with condensa-
tion from the boiler. The products of
combustion must be conveyed through a
flexible or rigid plastic pipe around 100
to 150 mm in diameter, and condensa-
tion must be siphoned off at the foot of
the pipe. The usable height of the water
trap must be at least 150 mm.
2.7
FORCED EXHAUST
(Type B23P-53P)
This type of exhaust pipe is installed using
the special kit, code 8089911. For kit
assembly instructions, refer to point 2.6.
Protect the intake with the optional acces-
sory, code 8089501.
The accessory is assembled by cutting a 50
mm long segment from an ordinary ø 80
extension and inserting it on the air intake,
on which the accessory is then fitted,
anchored to the pipe segment with the
TABLE 3
Siting of terminal
A - below openable window
B - below ventilation opening
C - below eaves
D - below balcony (1)
E - from adjacent window
F - from adjacent ventilation opening
G - from horizontal or vertical soil or drain pipes (2)
H - from corner of building
I - from recess in building
L - from ground level or other treadable surface
M - between two terminals set vertically
N - between two terminals set horizontally
O - from a surface facing without openings or terminals
P - as above but with openings and terminals
1) Terminals below a practicable balcony must be located in such a way that the total path of
2) When siting terminals, where materials that may be subject to the action of the combu-
76
screws provided (fig. 9/a).
Maximum flow resistance must be no
more than 15 mm H
total length of each pipe should not
exceed 50 m, even if the total loss is
the smoke from its outlet point from the terminal to its outlet point from the external peri-
meter of the balcony, including the height of possible railings, is not less than 2000 mm.
stion products are present in the vicinity, e.g., eaves, gutters and downspouts painted or
made of plastic material, projecting timberwork, etc., distances of not less than 1500 mm
must be adopted, unless adequate shielding is provided to guard these materials.
below the maximum applicable loss.)
As the maximum pipe length is determined
O (ATTENTION: the
by adding up the flow resistance of the
2
various individual accessories installed,
refer to Table 1-1/a for calculation.
Appliances from 7 to 35 kW
(distances in mm)
cod. 8089501
Fig. 9/a
600
600
300
300
400
600
300
300
300
2500
1500
1000
2000
3000
Fig. 10
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