75
3062547_201802
Type COB-15 COB-15/TS COB-20 COB-20/TS COB-29 COB-29/TS COB-40
Condensing boiler (Yes/No) Yes Yes Yes Yes Yes Yes Yes
Low temperature boiler (**) (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 heating appliance (Yes/No) No Yes No Yes No Yes No
Information 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 (*)
P
4
kW 14.7 14.7 19.6 19.6 29.0 29.0 38,8
Usable heat at 30% of rated
heating output and low
temperature operation (**)
P
1
kW 4.4 4.4 5,9 5,9 8.7 8.7 11,6
Auxiliary power consumption at
full load
elmax kW 0,122 0,122 0,139 0,139 0,174 0,174 0,205
Auxiliary power consumption at
partial load
elmin kW 0,049 0,049 0,049 0,049 0,062 0,062 0,072
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
efciency
n
s
% 91 91 91 91 91 91 92
Efciency at rated heating output
and high temperature operation (*)
n
4
% 91,2 91,2 91,6 91,6 91,1 91,1 91.9
Efciency at 30% of rated heating
output and low temperature
operation (**)
n
1
% 97,3 97,3 96,8 96,8 97,1 97,1 97,5
Heat loss on standby P
stby
kW 0,068 0,068 0,091 0,091 0,099 0,099 0,107
Energy consumption of ignition
ame
P
ing
kW 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Nitrogen oxide emission NO
x
mg/kWh 74 74 90 90 90 90 84
Specied load prole (M, L,
XL, XXL)
- - XL - XL - XL -
Daily power consumption Qelec kWh - 0,393 - 0,369 - 0,341 -
DHW heating energy efciency nwh % - 83 - 81 - 81 -
Daily fuel consumption Qfuel kWh - 23,020 - 23,832 - 23,775 -
Contact WOLF GmbH, Industriestrasse 1, 84048 Mainburg, Germany
(*) High temperature operation means a return temperature of 60°C at the boiler inlet and a ow temperature of 80°C at the boiler outlet.
(**) 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.
41 TechnicalparameterstoEU
Regulation No. 813/2013