32
JUNIOR GREEN C.S.I.
PARAMETER
SYMBOL
JUNIOR GREEN 25 C.S.I.
UNIT
Seasonal space heating energy efficiency class
A
-
Water heating energy efficiency class
A
-
Rated heat output
Pnominal
20
kW
Seasonal space heating energy efficiency
η
s
93
%
Useful heat output
At rated heat output and high-temperature regime (*)
P4
19,5
kW
At 30% of rated heat output and low-temperature regime (**)
P1
6,5
kW
Useful efficiency
At rated heat output and high-temperature regime (*)
η
4
88,1
%
At 30% of rated heat output and low-temperature regime (**)
η
1
98,1
%
Auxiliary electricity consumption
At full load
elmax
29,0
W
At part load
elmin
12,3
W
In Stand-by mode
PSB
5,2
W
Other parameters
Stand-by heat loss
Pstby
40,0
W
Pilot flame energy consumption
Pign
-
W
Annual energy consumption
QHE
38
GJ
Sound power level, indoors
LWA
53
dB
Emissions of nitrogen oxides
NOx
19
mg/kWh
For combination heaters
Declared load profile
XL
Water heating energy efficiency
η
wh
85
%
Daily electricity consumption
Qelec
0,183
kWh
Daily fuel consumption
Qfuel
22,920
kWh
Annual electricity consumption
AEC
40
kWh
Annual fuel consumption
AFC
17
GJ
(*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet.
(**) 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).