Worcester GR1000W 24 C NG

Energy consumption
17
Greenstar 1000 – 6721835944 (2023/08)
11 Energy consumption
11.1 Product data on energy consumption
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.
Natural Gas appliances
Table 9 Product data on energy consumption Greenstar 1000
Product data Symbol Unit 7 736 902 178 7 736 902 179
Product type – – GR1000W 24 C NG GR1000W 30C NG
Condensing boiler – –  
Low temperature boiler – – 
B1 boiler – –  
Cogeneration space heater – – 
Equipped with a supplementary heater? – – – –
Combination heater – – 
Rated heat output P
rated
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.
P
4
kW 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).
P
1
kW 8.0 8.0
Useful efficiency
At rated heat output and high temperature regime 
4
% 88.2 88.2
At 30 % of rated heat output and low temperature regime 
1
% 98.2 98.2
Auxiliary electricity consumption
At full load el
max
kW 0.042 0.040
At part load el
min
kW 0.0110 0.0120
In standby mode P
SB
kW 0.0030 0.0030
Other items
Standby heat loss P
stby
kW 0.051 0.051
Ignition burner power consumption P
ign
kW – –
Emissions of nitrogen oxides (only gas- or oil fired) NO
x
mg/kWh 43 41
Annual energy consumption Q
HE
kWh – –
Annual energy consumption Q
HE
GJ 75 75
Sound power level, indoors L
WA
dB 52 52
Additional data for combination heaters
Declared load profile – – XL XL
Water heating energy efficiency 
wh
% 84 84
Water heating energy efficiency class – – A A
Daily electricity consumption (average climate conditions) Q
elec
kWh 0.179 0.174
Annual electricity consumption AEC kWh 39 38
Daily fuel consumption Q
fuel
kWh 22.009 22.474
Annual fuel consumption AFC GJ 17 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 – –