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Worcester-Bosch Greenstar 8000 Life System - GR8300iW Manual

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Energy consumption
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Greenstar 8000 Life – 6720883870 (2021/05)
13 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 NOx values efficiency for this
range rated boiler are not measured at the maximum output. To achieve
the published efficiency and NOx values, the gas rate should be reduced
by your installer during commissioning (Installation and Maintenance
instructions).
13.1 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 8 Product data on energy consumption Greenstar 8000 Life
Product data Symbol Unit 7 738 100 807/858 7 738 100 808/859
Product type – – GR8300iW 30 S NG/LPG GR8300iW 35 S NG/LPG
Energy Efficiency Class – – A A
Range rated heat output Prated kW 30 34
Seasonal space heating energy efficiency at range rated output s% 94 94
Annual energy consumption (average climate conditions) QHE kWH – –
Annual energy consumption QHE GJ 69 78
Sound power level, indoors LWA dB 53 53
Special precautions to be taken during assembly, installation or
maintenance (if applicable)
– – product accompanying
documents
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 P4kW 29.5 33.7
At 30% of rated heat output and low temperature regime P1kW 9.9 11.3
Useful efficiency
At rated heat output and high temperature regime 4%88.5 88.8
At 30% of rated heat output and low temperature regime 1% 98.7 98.8
Auxiliary electricity consumption
At full load elmax kW 0.067 0.048
At part load elmin kW 0.014 0.013
In standby mode PSB kW 0.001 0.001
Other items
Standby heat loss Pstby kW 0.071 0.071
Ignition burner power consumption Pign kWh – –
Emissions of nitrogen oxides (only gas- or oil fired) at range rated
output
NOxmg/kWh 23 25
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