Appliance information
Greenstar Utility
ErP -
6 720 821 751 (2018/04) 7
3.3 Energy efficiency
The following product data satisfy the requirements of the EU Regulations No. 811/2013 and No. 812/2013 supplementing Directive 2010/30/EU.
Product data Symbol Unit 7 731 600 171 7 731 600 172
Product type – – Greenstar Utility ErP+ 32/50 Greenstar Utility ErP+ 50/70
Condensing boiler – – Yes Yes
Low temperature boiler – – No No
B1 boiler – – No No
Cogeneration space heater (CHP) – – No No
Combination heater – – No No
Rated heat output P
rated
kW 50 70
Seasonal space heating energy efficiency η
s
%90 91
Energy efficiency class – – A A
Useful heat output
At rated heat output and high temperature regime
1)
1) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
P
4
kW 50.1 71.8
At 30% of rated heat output and low temperature regime
2)
2) 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).
P
1
kW 15.99 22.90
Useful efficiency
At rated heat output and high temperature regime 1) η
4
% 97.3 97.5
At 30% of rated heat output and low temperature regime 2) η
1
% 101.7 101.7
Auxiliary electricity consumption
At full load el
max
kW 0.192 0.182
At part load el
min
kW 0.065 0.061
In standby mode P
SB
kW 0 0
Other items
Standby heat loss P
stby
kW 0.272 0.278
Ignition burner power consumption P
ign
kW 0 0
Emissions of nitrogen oxides NOx mg/kWh 94 94
Annual energy consumption Q
HE
kWh 44,444 61,539
Sound power level, indoors L
WA
dB(A) 61 60
Table 2 Product data for energy consumption
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