Worcester GB162-50 - 2.3 Energy Efficiency

Product information
6720814333 (2018/04)4
2.3 Energy efficiency
The following product data satisfy the requirements of the EU Regulations No. 811/2013, No. 812/2013, No. 813/2013 and No. 814/2013
supplementing Directive 2010/30/EU.
Product data Symbol Unit 50-V2 65-V2 85-V2 100-V2
Product type – – GB162-50 V2
G20
GB162-65 V2
G20
GB162-85 V2
G20
GB162-100 V2
G20
Condensing boiler – –
  
Low temperature boiler – –
  
B1 boiler – –
  
Cogeneration space heater (CHP) – –
  
Combination heater – –
  
Rated heat output P
rated
kW 47 63 80 95
Seasonal space heating energy efficiency η
s
%93 92 – –
Energy efficiency class – –A A– –
Useful heat output
At rated heat output and high temperature regime
1)
1) High-temperature regime is defined as 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
P
4
kW 46.5 62.6 80.0 94.5
At 30 % of rated heat output and low temperature regime
2)
2) Low temperature for condensing boilers is defined as 30 °C, for low-temperature boilers 37 °C and for other heaters 50 °C return temperature (at heater inlet).
P
1
kW 15.4 20.8 26.5 31.2
Useful efficiency
At rated heat output and high temperature regime
1)
η
4
% 88.0 87.7 87.3 87.4
At 30 % of rated heat output and low temperature regime
2)
η
1
% 97.4 97.1 97.2 97.2
Auxiliary electricity consumption
At full load el
max
kW 0.041 0.082 0.100 0.100
At part load el
min
kW 0.018 0.018 0.024 0.024
In standby mode P
SB
kW 0.006 0.006 0.006 0.006
Other items
Standby heat loss P
stby
kW 0.088 0.088 0.088 0.088
Ignition burner power consumption P
ign
kW 0.000 0.000 0.000 0.000
Emissions of nitrogen oxides NOx mg/kWh 15 24 21 35
Sound power level, indoors L
WA
dB(A) 54 61 – –
Table 2 Product data for energy consumption