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INFORMATION
All piping lengths in the tables below are maximum
equivalent piping lengths.
L1
C
53
3
L1
L1
C
C
13
93
1
4
Explanation of the flue systems
Category in accordance with CE
B
A flue that evacuates the products of combustion to the outside
23
of the room containing the appliance. The combustion air is
drawn directly from the room.
B
A flue system which is connected to a common duct system.
33
This common duct system consists of a single natural draught
flue. All pressurized parts of the appliance containing products
of combustion are completely enclosed by parts of the
appliance supplying combustion air. Combustion air is drawn
into the appliance from the room by means of a concentric
duct, which encloses the flue. The air enters through defined
orifices situated in the surface of the duct.
C
Horizontal flue system. Discharge in the outside wall. Inlet
13
opening for the air supply is in the same pressure zone as the
discharge.
C
Vertical flue system. Flue gas discharge via the roof. Inlet
33
opening for the air supply is in the same pressure zone as the
discharge.
C
Joint air supply and flue gas discharge duct (CLV system).
43
Twin pipe or concentric.
C
Separate air supply and separate flue gas discharge duct.
53
Discharge into different pressure zones.
C
Free in the market available flue material with CE approval.
63
C
Joint air supply and flue gas discharge duct (CLV system).
83
Discharging into different pressure zones.
C
Air supply and flue gas discharge duct in shaft or ducted:
93
concentric. Air supply from existing duct. Flue gas discharge
via the roof. Air supply and flue gas discharge are in the same
pressure zone.
Permitted pipe lengths B
and B
23
NHY2KOMB28AA
NHY2KOMB32AA
The horizontal flue MUST be installed under a 3° fall towards the
boiler (50 mm per metre) and MUST be supported with a minimum
of 1 bracket at each meter length. Best recommended position of the
bracket is just before the joint.
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
C
33
2
Ø80 mm:
33
B
B
23
33
85 m
85 m
80 m
80 m
INFORMATION
The above installation examples are just examples and
can differ on some details.
Make sure the air inlet is open and complies to the demands.
Make sure the air inlet is open and complies to the demands.
For example: a wall terminal through the façade.
For example: a vertical roof terminal.
—
—
Do NOT mix flue materials from different suppliers.
Only as twin pipe system.
Concentric flue system between the gas boiler and the duct.
INFORMATION
Flexible flue gas lines may NOT be used in horizontal
connection sections.
C
(1)
C
(2)
13
33
60/100
60/100
L1 (m)
L1 (m)
10
10
9 Installation
C
(1)
C
(2)
13
33
Twin-80
Twin-80
L1 (m)
L1 (m)
80
21
Installer reference guide
49
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