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3.4
Technical specifications
Technical specifications
Heat Input Range(Qn)
Nominal Heat Output Range (Pn) at 80-60°C
Nominal Heat Output Range (Pn) at 50-30°C
Efficiency (30% partial load at 30°C return temperature)
Central Heating Circuit
Operating Pressure (min./max.)
Heating Circuit Temperature Interval (min./max.)
Domestic Hot Water Circuit
Hot Water Amount DT: 30°C
Hot Water Amount DT: 35°C
Comfort Class (EN13203)
Water Installation Pressure (min./max.)
Domestic Hot Water Temperature Interval (min./max.)
Domestic Hot Water Circuit Type
General
Expansion Vessel Initial Pressure
Expansion Vessel Capacity
Electrical Connection
Electrical Power Consumption (max.)
Standby Electrical Power Consumption
IP Rating
Boiler Weight
Boiler Dimensions (Height x Width x Depth)
Flue outlet diameter
Combustion specifications
Gas Category
Nominal Gas Inlet Pressure (G20/G25/G31)
G20 Gas Inlet Pressure (min./max.)
G25 Gas Inlet Pressure (min./max.)
G31 Gas Inlet Pressure (min./max.)
Natural Gas (G20) Consumption (min./max.)
Natural Gas (G25) Consumption (min./max.)
LPG (G31) Consumption (min./max.)
Combustion products mass flow rate (min./max.) (G20)
Combustion products mass flow rate (min./max.) (G31)
Combustion products temperature (min./max.) (G20)
Combustion products temperature (min./max.) (G31)
Maximum combustion products temp. at nominal heat input
CO
Emission at nominal and minimum heat input (G20)
2
CO
Emission at nominal and minimum heat input (G31)
2
NOx Class
(a)
20 / 30 for Hungary
Energy-related products (ErP) specifications
Model
Condensing boiler
(b)
Low-temperature
boiler
B1 boiler
Cogeneration space heater
Combination heater
Central heating efficiency class
Rated heat output
Useful heat output at rated heat output and high-temperature regime
Useful heat output at 30% of rated heat output and low-temperature regime
Seasonal space heating energy efficiency
Useful efficiency at rated heat output and high-temperature regime
Useful efficiency at 30% of rated heat output and low-temperature regime
Auxiliary electricity consumption
At full load
At part load
In standby mode
Other items
Standby heat loss
Ignition burner power consumption
Annual energy consumption
Sound power level, indoors (at maximum heat input)
Emissions of nitrogen oxides
D2C18ND024A5AA + D2HND012/18A5AA
Wall-mounted condensing boiler
3P469346-9J – 2018.05
Unit
kW
kW
kW
%
bar
°C
l/min
l/min
—
MPa
°C
—
bar
l
V AC/Hz
W
W
—
kg
mm
mm
Unit
—
mbar
mbar
mbar
mbar
m³/h
m³/h
m³/h
g/s
g/s
°C
°C
°C
%
%
—
Symbol
Unit
—
—
—
—
—
—
—
—
—
—
—
—
—
—
P
kW
rated
(a)
P
kW
4
(b)
P
kW
1
η
%
s
(a)
η
%
4
(b)
η
%
1
el
kW
max
el
kW
min
P
kW
SB
P
kW
stby
P
kW
ign
Q
kWh
HE
L
dB
WA
NO
mg/kWh
x
D2HND012A5AA
D2HND018A5AA
2.9~11.1
2.9~16.9
2.8~10.8
2.8~16.4
3.1~12.0
3.1~18.0
109.5
109.1
0.6 / 3.0
30 / 80
—
—
—
—
35 / 60
heating only
1
8
230/50
86
3.5
IPX5D
26.5
590 x 400 x 256
60 / 100
D2HND012A5AA
D2HND018A5AA
II
2N3P
20 / 25 / 37
(a)
17 / 30
20 / 30
25 / 45
0.31 / 1.18
0.31 / 1.80
0.36 / 1.38
0.36 / 2.09
0.12 / 0.46
0.12 / 0.69
1.32 / 5.12
1.32 / 7.78
1.23 / 4.77
1.23 / 7.23
56 / 60
56 / 68
56 / 60
56 / 68
80
82
9.0±0.8
11.3±1.0
6
D2HND012A5AA
D2HND018A5AA
D2HND012
D2HND018
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
****/A
11
16
10.8
16.4
3.6
5.5
93
93
87.8
87.4
98.6
98.2
0.013
0.020
0.009
0.009
0.004
0.004
0.057
0.057
—
—
5843
8257
42
45
10
18
3 About the unit
D2C18ND024A5AA
2.9~16.9
2.8~16.4
3.1~18.0
109.1
12
10.3
***
0.05 / 1
instantaneous
27
D2C18ND024A5AA
0.31 / 1.80
0.36 / 2.09
0.12 / 0.69
1.32 / 10.75
1.23 / 10.00
56 / 77
55 / 76
90
D2C18ND024A5AA
D2C18ND024
YES
NO
NO
NO
YES
16
16.4
5.5
93
87.4
98.2
0.020
0.009
0.004
0.057
—
8257
49
18
Installation manual
7
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