Air Supply/Flue Gas Outlet Connections; Classification; Fastening The Pipes To The Wall - DeDietrich 24 Installation And Service Manual

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6 Installation
6.5

Air supply/flue gas outlet connections

6.5.1

Classification

Fig.110 Installation examples
B Appliance used for connection to a chimney for the evacuation of the products of combustion outside of
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the room in which it is installed. The combustion air is taken directly from the room.
B Appliance B
23P
B Appliance used for connection to a collective chimney. This system consists of a single natural draught
33
channel. The boiler exhaust pipe is contained inside a pipe for the intake of the combustion air, which is
taken from inside the room. The combustion air penetrates through the openings in the surface of the ap­
pliance's concentric pipe.
C The C
43P
sure.
C Appliance connected, via its exhaust pipe, to a system with a common or individual pipe. This system con­
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sists of a single natural draught channel. The appliance is connected, via a second pipe, to a terminal for
the intake of combustion air from outside the building.
Important
The chimney must be swept before installing the flue gas exhaust pipe.
To avoid transmitting noise into the home while the boiler is operating, do not wall up the pipes of the flue gas
exhaust system but use a sleeve.
6.5.2

Fastening the pipes to the wall

In order to guarantee greater operating safety, the exhaust/intake pipes must be securely fastened to the wall using the specific
fastening brackets. The brackets must be positioned at a distance of 1 metre from each other in line with the joints.
170 INIDENS
B
33
B
23
is used for connection to an exhaust system designed to operate with positive pressure.
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appliance is intended for connection to an exhaust system designed to operate with positive pres­
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C C
33 33
C
C
13
13
C C
43 53
C C
93 83
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