D2CND0 D2CND0 D2TND0
D2TND0 D2TND024A4AA
Wall-mounted condensing boiler
ESIE17-09 / 2017.11
Servicing manual
7
2.4
Technical Specification
2 Appliance information
Technical specifications
Unit
D2TND012A4AA
D2TND018A4AA
D2TND024A4AA
D2CND024A*AA
Heat Input Range(Qn)
kW
2.9~11.2
2.9~17.0
2.9~23.5
2.9~23.5
Nominal Heat Output Range (Pn) at 80-60°C
kW
2.8~10.9
2.8~16.6
2.8~22.8
2.8~22.8
Nominal Heat Output Range (Pn) at 50-30°C
kW
3.1~12.0
3.1~18.0
3.1~24.0
3.1~24.0
Efficiency (30% partial load at 30°C return temperature)
%
109.5
109.1
108.7
108.7
Central Heating Circuit
Operating Pressure (min./max.)
bar
0.6 / 3.0
Heating Circuit Temperature Interval (min./max.)
°C
30 / 80
Domestic Hot Water Circuit
Hot Water Amount DT: 30°C
l/min
-
12
Hot Water Amount DT: 35°C
l/min
-
10.3
Water Installation Pressure (min./max.)
bar
-
0.5 / 10.0
Domestic Hot Water Temperature Interval (min./max.)
°C
35 / 60
Domestic Hot Water Circuit Type
-
storage tank
instantaneous
General
Expansion Vessel Initial Pressure
bar
1
Expansion Vessel Capacity
l
8
Electrical Connection
V ACHz
230 / 50
Electrical Power Consumption (max.)
W
86
Standby Electrical Power Consumption
W
3.5
Electrical Protection Class
-
IPX5D
Boiler Weight
kg
26.5
27.0
Boiler Dimensions (Height x Width x Depth)
mm
590 x 400 x 256
Flue outlet diameter
mm
60 / 100
Combustion specifications
Unit
D2TND012A4AA
D2TND018A4AA
D2TND024A4AA
D2CND024A*AA
Gas Category
-
II
2N3P
Nominal Gas Inlet Pressure (G20/G25/G31)
mbar
20 / 25 / 37
G20 Gas Inlet Pressure (min./max.)
mbar
17 / 30
(a)
G25 Gas Inlet Pressure (min./max.)
mbar
20 / 30
G31 Gas Inlet Pressure (min./max.)
mbar
25 / 45
Natural Gas (G20) Consumption (min./max.)
m3/h
0.31 / 1.18
0.31 / 1.80
0.31 / 2.48
Natural Gas (G25) Consumption (min./max.)
m3/h
0.36 / 1.38
0.36 / 2.09
0.36 / 2.89
LPG (G31) Consumption (min./max.)
m3/h
0.12 / 0.46
0.12 / 0.69
0.12 / 0.96
Combustion products mass flow rate (min./max.) (G20)
g/s
1.32 / 5.12
1.32 / 7.78
1.32 / 10.75
Combustion products mass flow rate (min./max.) (G31)
g/s
1.23 / 4.77
1.23 / 7.23
1.23 / 10.00
Combustion products temperature (min./max.) (G20)
°C
56 / 60
56 / 68
56 / 77
Combustion products temperature (min./max.) (G31)
°C
56 / 60
56 / 68
55 / 76
Maximum combustion products temp. at nominal heat input
°C
80
82
90
CO
2
Emission at nominal and minimum heat input (G20)
%
9.0 ± 0.8
CO
2
Emission at nominal and minimum heat input (G31)
%
11.3 ±1.0
NOx Class
-
6
Energy-related products (ErP) specifications
Symbol
Unit
D2TND012A4AA
D2TND018A4AA
D2TND024A4AA
D2CND024A*AA
Model
-
-
D2TND012
D2TND018
D2TND024
D2CND024
Condesing Boiler
-
-
YES
YES
YES
YES
Low-temperature(b) boiler
-
-
NO
NO
NO
NO
B1 boiler
-
-
NO
NO
NO
NO
Cogeneration space heater
-
-
NO
NO
NO
NO
Combination heater
-
-
NO
NO
NO
YES
Central heating efficiency class
-
-
**** / A
Rated heat output
P
rated
kW
11
16
23
23
Useful heat output at rated heat output and
high-temperature regime
(a)
P
4
kW
10.8
16.4
22.8
22.8
Useful heat output at 30% of rated heat output and
low-temperature regime
(b)
P
1
kW
3.9
5.6
7.7
7.7
Seasonal space heating energy efficiency
η
s
%
93
Useful efficiency at rated heat output and
high-temperature regime
(a)
η4
%
87.8
87.4
87.3
87.3
Useful efficiency at 30% of rated heat output and
low-temperature regime
(b)
η1
%
98.6
98.2
97.9
97.9
Auxiliary electricity consumption
At full load
el
max
kW
0.013
0.020
0.027
0.027
At part load
el
min
kW
0.009
0.009
0.010
0.010
In standby mode
P
SB
kW
0.004
Other items
Standby heat loss
P
styby
kW
0.057
Ignition burner power consumption
P
ign
kW
-
Annual energy consumption
Q
HE
kWh
9281
13790
19648
19648
Sound power level, indoors (at maximum heat
input)
L
WA
dB
42
46
49
49
Emissions of nitrogen oxides
NO
X
mg/KWh
10
18
22
22
Domestic hot water parameters
Declared load profile
-
-
-
XL
Energy-related products (ErP) specifications
Symbol
Unit
D2CND028A*AA
D2CND035A*AA
D2TND028A4AA
D2TND035A4AA
Daily electricity consumption
Q
elec
kWh
-
0.166
Annually electricity consumption
AEC
kWh
-
36
Water heating energy efficiency
η
wh
%
-
85
Water heating energy efficiency class
-
-
-
A
Daily fuel consumption
Q
fuel
kWh
-
23.366
Annual fuel consumption
AFC
GJ
-
17
(a) 20 / 30 for Hungary
a High-temperature regime means 60°C return temperature at heater inlet and 80°C flow temperature at heater outlet.
b Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature (at heater inlet).