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Energy consumption
Greenstar 4000 – 6 720 891 170 (2020/09)
22
LPG appliances
The following product data comply with the requirements of the EU Regulations No. 811/2013, No. 812/2013, No. 813/2013 and No. 814/2013
supplementing the Regulation (EU) 2017/1369.
Table 11 Product data on energy consumption Greenstar 4000
Product data Symbol Unit 7 733 600 374 7 733 600 372
Product type GR4700iW 30 C LPG GR4700iW 25 C LPG
Condensing boiler
Low temperature boiler 
B1 boiler
Cogeneration space heater 
Equipped with a supplementary heater?
Combination heater 
Rated heat output Prated kW 24 24
Seasonal space heating energy efficiency s%94 94
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.
P4kW 24 24
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).
P1kW 8.1 8.1
Useful efficiency
At rated heat output and high temperature regime 1) 4% 87.9 87.9
At 30 % of rated heat output and low temperature regime 2) 1%98.9 98.9
Auxiliary electricity consumption
At full load elmax kW 0.039 0.039
At part load elmin kW 0.013 0.013
In standby mode PSB kW 0.002 0.002
Other items
Standby heat loss Pstby kW 0.061 0.061
Ignition burner power consumption Pign kW – –
Emissions of nitrogen oxides (only gas- or oil fired) NOxmg/kWh 40 40
Annual energy consumption QHE kWh 20556 20556
Annual energy consumption QHE GJ 74 74
Sound power level, indoors LWA dB 45 45
Additional data for combination heaters
Declared load profile XL XL3)
3) XL tapping cycle declared in accordance with EN 13203-2, clause 5.2
Water heating energy efficiency wh %85 85
Water heating energy efficiency class A A
Daily electricity consumption (average climate conditions) Qelec kWh 0.173 0.180
Annual electricity consumption AEC kWh 38 40
Daily fuel consumption Qfuel kWh 22.908 22.896
Annual fuel consumption AFC GJ 18 18
Indication about ability working only during off-peak hours
Other load profiles
Standing loss S W
Storage volume V l
Non-solar storage volume (Vbu) Vbu l
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