Appendix
3066501_201910
WOLF GmbH | 93
12.4.2 Technical parameters to EU Regulation No. 813/2013
Type
COB-2-
15
COB-2-
15/TS
COB-2-
20
COB-2-
20/TS
COB-2-
29
COB-2-
29/TS
COB-2-
40
Condensing boiler
(Yes/No)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Low temperature boiler
2
(Yes/No)
No
No
No
No
No
No
No
B11 boiler
(Yes/No)
No
No
No
No
No
No
No
Space heater with CHP
(Yes/No)
No
No
No
No
No
No
No
If yes, with booster heater
(Yes/No)
-
-
-
-
-
-
-
Combi boiler
(Yes/No)
No
Yes
No
Yes
No
Yes
No
Parameter
Symbol
Unit
Rated heating output
P
rated
kW
15
15
20
20
29
29
39
Usable heat at rated
heating output and high
temperature operation
1
P
4
kW
14.8
14.8
19.8
19.8
28.9
28.9
38.5
Usable heat at 30% rated
heating output and low
temperature operation
2
P
1
kW
4.8
4.8
6.4
6.4
9.2
9.2
12.6
Auxiliary power
consumption at full load
el
max
kW
0.128
0.128
0.128
0.128
0.176
0.176
0.209
Auxiliary power
consumption at partial
load
el
min
kW
0.049
0.049
0.050
0.050
0.065
0.065
0.076
Auxiliary power
consumption in standby
P
SB
kW
0.003
0.003
0.003
0.003
0.003
0.003
0.003
Seasonal central heating
efficiency
n
s
%
92
92
92
92
93
93
93
Efficiency at rated
heating output and high
temperature operation
1
n
4
%
94.1
94.1
93.9
93.9
94.0
94.0
93.9
Efficiency at 30% rated
heating output and low
temperature operation
2
n
1
%
98.8
98.8
98.2
98.2
98.8
98.8
98.4
Heat loss on standby
P
stby
kW
0.068
0.068
0.091
0.091
0.099
0.099
0.107
Energy consumption of
pilot light
P
ing
kW
0.000
0.000
0.000
0.000
0.000
0.000
0.000
Nitrogen oxide emission
NO
x
mg/
kWh
62
62
69
69
68
68
87
Specified load profile
(M,L,XL,XXL)
-
-
XL
-
XL
-
XL
-
Daily power consumption
Q
elec
kWh
-
0.393
-
0.369
-
0.341
-
DHW heating energy
efficiency
n
wh
%
-
83
-
81
-
81
-
Daily fuel consumption
Q
fuel
kWh
-
23.020
-
23.832
-
23.775
-
Contact
WOLF GmbH, Industriestraße 1, 84048 Mainburg, Germany
1
High temperature operation means a return temperature of 60°C at the boiler inlet and a flow temperature of 80°C at the boiler outlet.
2
Low temperature operation means a return temperature (at the boiler inlet) of 30°C for condensing boilers, 37°C for low temperature boilers
and 50°C for other heating appliances.
