Worcester GB162 Series - 9 Energy Efficiency

Energy efficiency
11
Commercial Boiler Series – 6720814333 (2019/05)
9 Energy efficiency
9.1 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 (EU) 2017/1369.
Table 7 Product data for energy consumption
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 
s
%93 93 - -
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)

4
% 88.5 88.3 88.7 88.1
At 30 % of rated heat output and low temperature regime
2)

1
% 97.6 97.7 98.6 98.7
Auxiliary electricity consumption
At full load el
max
kW 0.041 0.082 0.102 0.155
At part load el
min
kW 0.018 0.018 0.025 0.025
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 21 32 39 42
Sound power level, indoors L
WA
dB(A) 54 61 - -