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
kW
9
12
15
18
21
24
Seasonal space heating
energy efficiency
η
s
%
92
92
92
92
92
92
Energy efficiency class
–
–
A
A
A
A
A
A
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
kW
9
12
15
18
21
24
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
kW
4
4
5
6
8
8
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
kW
0
0
0
0
0
0
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)
45
45
48
50
50
50
Table 7 Product data for energy consumption
Summary of Contents for Worcester GREENSTAR 12Ri ErP +
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