Wolf CGB-2 Series, Installation Instructions For Contractors

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45. Technical parameters according to
EU regulation no. 813/2013
Type CGB-2-14 CGB-2-20 CGB-2K-20 CGB-2-24 CGB-2K-24
Condensing boiler [yes/no] yes yes yes yes yes
Low temperature boiler (**) [yes/no] no no no no no
B11 boiler [yes/no] no no no no no
Cogeneration space heater [yes/no] no no no no no
If yes, equipped with a supple-
mentary heater
[yes/no] - - - - -
Combination heater [yes/no] no no yes no yes
Item Symbol Unit
Rated heat output P
rated
kW 14 19 19 24 24
Useful heat output at rated heat
output and high-temperature
regime (*)
P
4
kW 13.5 18.9 18.9 23.8 23.8
Useful heat output at 30 % of
rated heat output and low-tem-
perature regime (**)
P
1
kW 4.1 5.7 5.7 7.1 7.1
Auxiliary electricity consumption
at full load
elmax kW 0.025 0.028 0.028 0.029 0.029
Auxiliary electricity consumption
at part load
elmin kW 0.010 0.012 0.012 0.012 0.012
Auxiliary electricity consumption
in standby mode
P
SB
kW 0.003 0.003 0.003 0.003 0.003
Seasonal space heating energy
efficiency
n
s
% 93 93 93 93 93
Useful efficiency at rated heat
output and high-temperature
regime (*)
n
4
% 88.1 87.8 87.8 87.8 87.8
Useful efficiency at 30 % of
rated heat output and low-tem-
perature regime (**)
n
1
% 98.0 97.7 97.7 97.7 97.7
Standby heat loss P
stby
kW 0.033 0.033 0.033 0.032 0.032
Ignition burner power consump-
tion
P
ing
kW 0.000 0.000 0.000 0.000 0.000
Emissions of nitrogen oxides NO
x
mg/kWh 18 17 17 18 18
Declared load profile (M, L,
XL, XXL)
- - - XL - XL
Daily electricity consumption Qelec kWh - - 0.157 - 0.170
Water heating energy efficiency nwh % - - 85 - 85
Daily fuel consumption Qfuel kWh - - 22,878 - 23,006
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).