Wolf COB - Technical Parameters According to EU Regulation No. 813;2013

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3062547_201507
36. Technical parameters according to
EUregulationno.813/2013
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
Cogeneration space heater [yes/no] no no no no no no no
If yes, equipped with a
supplementary heater
[yes/no] - - - - - - -
Combination heater [yes/no] no yes no yes no yes no
Item Symbol Unit
Rated heat output P
rated
kW 15 15 20 20 29 29 39
Useful heat output at rated heat
output and high-temperature
regime (*)
P
4
kW 14,7 14,7 19,6 19,6 29,0 29,0 38,8
Useful heat output at 30% of
rated heat output and low-
temperature regime (**)
P
1
kW 4,4 4,4 5,9 5,9 8,7 8,7 11,6
Auxiliary electricity consumption
at full load
elmax kW 0,122 0,122 0,139 0,139 0,174 0,174 0,205
Auxiliary electricity consumption
at part load
elmin kW 0,049 0,049 0,049 0,049 0,062 0,062 0,072
Auxiliary electricity consumption
in standby mode
P
SB
kW 0,003 0,003 0,003 0,003 0,003 0,003 0,003
Seasonal space heating energy
efciency
n
s
% 91 91 91 91 91 91 92
Useful efciency at rated heat
output and high-temperature
regime (*)
n
4
% 91,2 91,2 91,6 91,6 91,1 91,1 91,9
Useful efciency at 30% of rated
heat output and low-temperature
regime (**)
n
1
% 97,3 97,3 96,8 96,8 97,1 97,1 97,5
Standby heat loss P
stby
kW 0,068 0,068 0,091 0,091 0,099 0,099 0,107
Ignition burner power
consumption
P
ing
kW 0,000 0,000 0,000 0,000 0,000 0,000 0,000
Emissions of nitrogen oxides NO
x
mg/kWh 74 74 90 90 90 90 84
Declared load prole (M, L,
XL, XXL)
- - XL - XL - XL -
Daily electricity consumption Qelec kWh - 0,393 - 0,369 - 0,341 -
Water heating energy efciency nwh % - 83 - 81 - 81 -
Daily fuel consumption Qfuel kWh - 23,020 - 23,832 - 23,775 -
Contact details Wolf GmbH, Industriestraße 1, D-84048 Mainburg
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
(**) 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).