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4 Installation
a
a
60/100 to 80/125 adapter
80/125 flue parts to be used are shown below:
a
b
a
80/125 wall terminal kit (type C13)
b
80/125 roof terminal kit (type C33)
c
90° elbow 80/125
d
45° elbow 80/125
e
30° elbow 80/125
f
Extension 80/125
L = 500-1000 mm
Type C43x (concentric flue system)
Several heat sources draw combustion air from the outside through
the annular gap of the room sealed balanced flue system and expel
flue gas to the outside via the roof, through a moisture-resistant
internal pipe.
The multi-served chimney is a system that is part of the building and
has a separate CE marking. The connection between the boiler and
the shaft and, the connection between the boiler and the air intake
system must be obtained via Daikin.
a
b c
d
a
Tee flex boiler connection set 100 or 130
b
Extension 60 mm
c
Chimney connection 60/100
d
Elbow 60/100 90°
Optional:
Installation Manual
18
c
d
e
f
e
f
g
h
i
L
e
90° elbow 60/100
f
45° elbow 60/100
g
Inspection elbow 60/100
h
30° elbow 60/100
i
Extension 60/100
L = 500-1000 mm
Maximum allowable length of the flue duct up to common
chimney is 3 metres + 1 60/100 90° elbow.
In C43x type units, condensate flow into the unit is not allowed.
Type C63x (concentric flue system)
INFORMATION
C63 flue type is not applicable to Belgium.
To install the boiler as a C63x option the following data must be
used to determine the correct diameters and lengths of the flue
system.
▪ Nominal combustion products temperature: 90.3°C
▪ Combustion products mass flow rate: 11.25 g/s
▪ Overheat combustion products temperature: 96.8°C
▪ Minimum combustion products temperature: 57.7°C
▪ Maximum allowable pressure difference between combustion air
inlet and flue gas outlet (including wind pressures): 107 Pa
▪ Minimum combustion products mass flow rate: 1.88 g/s
▪ CO
content at nominal heat input: 9.3%
2
▪ Maximum allowable draught: 200 Pa
▪ The boiler must be connected to a system with the following
characteristics: T120 P1 W
▪ Maximum allowable temperature of combustion air: 50°C
▪ Maximum allowable recirculation rate under wind conditions is
10%
▪ The terminals for the supply of combustion air and for the
evacuation of combustion products shall not be installed on
opposite walls of the building.
▪ Condensate flow into the unit is allowed.
Type C53x (twin pipes flue system)
Air supply and flue gas discharge from / to atmosphere in areas of
different pressure. The boiler draws combustion air from outside via
a horizontal pipe fitted to the external wall and expels flue gas to the
outside via the roof.
The terminals for the supply of combustion air and for the evacuation
of combustion products shall not be installed on opposite walls of the
building.
D2CNL024A1AA
Wall-mounted condensing boiler
3P469346-12R – 2021.09
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