APPLIANCE INFORMATION
6 720 821 670 (2018/06)10
3.3 Energy efficiency
Natural Gas appliances
The following product data satisfy the requirements of the EU Regulations No. 811/2013 and No. 812/2013 supplementing Directive 2010/30/EU.
Product data Symbol Unit 7733600306 7733600307 7733600308 7733600309 7733600310 7733600311
Product type – – 9Ri
ErP +
NG 12Ri
ErP +
NG 15Ri
ErP +
NG 18Ri
ErP +
NG 21Ri
ErP +
NG 24Ri
ErP +
NG
Condensing boiler – – Yes Yes Yes Yes Yes Yes
Low temperature boiler – – No No No No No No
B1 boiler – – No No No No No No
Cogeneration space heater
(CHP)
– – No No No No No No
Combination heater – – No No No No No No
Rated heat output P
rated
kW9 1215182124
Seasonal space heating
energy efficiency
η
s
%929292929292
Energy efficiency class––AAAAAA
Useful heat output
At rated heat output and
high temperature regime
1)
1) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
P
4
kW9 1215182124
At 30 % of rated heat output
and low temperature
regime
2)
2) 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).
P
1
kW445688
Useful efficiency
At rated heat output and
high temperature regime 1)
η
4
% 87.2 87.2 86.9 86.9 86.7 86.7
At 30 % of rated heat output
and low temperature
regime 2)
η
1
% 98.1 98.1 97.6 97.6 97.2 97.2
Auxiliary electricity consumption
At full load el
max
kW 0.025 0.033 0.044 0.049 0.042 0.051
At part load el
min
kW 0.016 0.016 0.018 0.018 0.017 0.017
In standby mode P
SB
kW 0.003 0.003 0.003 0.003 0.003 0.003
Other items
Standby heat loss P
stby
kW 0.059 0.059 0.059 0.059 0.059 0.059
Ignition burner power
consumption
P
ign
kW000000
Emissions of nitrogen
oxides
NOx mg/kWh 32 35 40 44 50 51
Annual energy
consumption
Q
HE
kWh------
Sound power level, indoors L
WA
dB(A)454548505050
Table 7 Product data for energy consumption