Energy consumption
Greenstar 8000 + – 6721890759 (2024/06)
16
14 Energy consumption
The maximum heat output of this boiler can be adjusted to suit the exact
requirements of the building. The process of adjusting the maximum
heat output is commonly referred to as range rating. The new boiler is set
at the maximum output and should be adjusted when it is installed and
commissioned. In accordance with the standards, the declared space
heating efficiency, useful efficiency and NO
x
values efficiency for this
range rated boiler are not measured at the maximum output. To achieve
the published efficiency and NO
x
values, the gas rate should be reduced
by your installer during commissioning (Æ Installation and Maintenance
instructions).
14.1 Product data on energy consumption
The information provided fulfills the requirements of regulations (EU) 811/2013 and (EU) 813/2013.
Specific precautions for installation, maintenance as well as recycling and/or disposal are provided within the installation and operating manuals. Read
and follow the installation and operating manuals.
Table 10 Product data on energy consumption Greenstar 8000 +
Product data Symbol Unit 7736702590
7736702598
7736702591
7736702597
Product type – – GR8701iW 30 S NG/LPG GR8701iW 35 S NG/LPG
Energy Efficiency Class – – A A
Range rated heat output P
rated
kW 30 35
Seasonal space heating energy efficiency at range rated output K
s
% 94 94
Annual energy consumption (average climate conditions) Q
HE
kWH – –
Annual energy consumption Q
HE
GJ 69 78
Sound power level, indoors L
WA
dB 53 53
Special precautions to be taken during assembly, installation or
maintenance (if applicable)
– – Æ product accompanying documents
Condensing boiler – – Yes Yes
Low temperature boiler – – No No
B1 boiler – – No No
Cogeneration space heater – – No No
Combination heater – – No No
Useful heat output
At rated heat output and high temperature regime P
4
kW 29.5 33.7
At 30% of rated heat output and low temperature regime P
1
kW 9.9 11.3
Useful efficiency
At rated heat output and high temperature regime K
4
% 88.5 88.8
At 30% of rated heat output and low temperature regime K
1
% 98.7 98.8
Auxiliary electricity consumption
At full load el
max
kW 0.067 0.048
At part load el
min
kW 0.014 0.013
In standby mode P
SB
kW 0.001 0.001
Other items
Standby heat loss P
stby
kW 0.071 0.071
Ignition burner power consumption P
ign
kWh – –
Emissions of nitrogen oxides (only gas- or oil fired) at range rated output NO
x
mg/kWh 23 25
Annual energy consumption Q
HE
kWh 20556 18056
Annual energy consumption Q
HE
GJ 74 65
Sound power level, indoors L
WA
dB 45 44
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