De Dietrich MS 24 BIC [68/292] Installing the flue and air ducts

De Dietrich MS 24 BIC [68/292] Installing the flue and air ducts
68
71.06199.02 - EN
INSTALLATION INSTRUCTIONS
14. DIMENSIONI CALDAIA 15. DIMENSIONS OF BOILER
Figure 5
24 BIC FF 24 BIC
CG_1848 / 1104_0702
CG_1848 / 1104_0703
16. INSTALLING THE FLUE AND AIR DUCTS
Boiler model Length (m)
Use of DIAPHRAGM
on INLET LINE A
24 BIC FF
0,5 73
0,5 ÷ 2 80
2 ÷ 4 No
If fumes are discharged outside the building, the ue-air duct must protrude
at least 18 mm from the wall to allow an aluminium weathering surround to be
tted and sealed to avoid water inltrations.
Make sure there is a minimum upward slope towards the outside of 1 cm per
metre of duct.
A 90° curve reduces total duct length by 1 metre.
A 45° curve reduces total duct length by 0.5 metres.
The first 90° curve is not considered when calculating the maximum avai-
lable length.
Figure 7
Connector
0805_2901 / CG_2073
Model 24 BIC FF
The boiler is easy and exible to install thanks to the extensive range of available
accessories, as described below.
The boiler has been designed for connection to a vertical or horizontal coaxial
ue-air duct. A splitting kit is also available if separate ducts are required.
Only accessories supplied by the manufacturer must be used for installation!
WARNING: To optimise operating safety, make sure the flue ducts are firmly
fixed to the wall with suitable brackets.
… COAXIAL FLUE-AIR DUCT (CONCENTRIC)
This type of duct is used to discharge exhaust fumes and draw combustion air
both outside the building and if a LAS ue is tted.
The 90° coaxial curve allows the boiler to be connected to a ue-air duct in any
direction as it can be rotated by 360°. It can also be used as a supplementary
curve combined with a coaxial duct or a 45° curve.
Figure 6

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