Residence Condens IS n
20
Residence Condens 30 IS n
Seasonal space heating energy efficiency class
A
Water heating energy efficiency class
-
Parameter
Symbol
Value
Unit
Parameter
Symbol
Value
Unit
Rated heat output
Prated
24
kW
Seasonal space heating energy
efficiency
ηs
94
%
For boiler space heaters and boiler combination heaters: useful
heat output
For boiler space heaters and boiler combination heaters: useful
efficiency
At rated heat output and high-
temperature regime (*)
P4
24.5
kW
At rated heat output and high-
temperature regime (*)
η4
88.2
%
At 30% of rated heat output and low-
temperature regime (**)
P1
8.2
kW
At 30% of rated heat output and low-
temperature regime (**)
η1
98.7
%
Auxiliary electricity consumption
Other parameters
At full load
elmax
37.0
W
Stand-by heat loss
Pstby
45.0
W
At part load
elmin
12.9
W
Pilot flame energy consumption
Pign
-
W
In Stand-by mode
PSB
2.5
W
Annual energy consumption
QHE
75
GJ
Sound power level, indoors
LWA
51
dB
Emissions of nitrogen oxides
NOx
24
mg/kWh
For combination heaters:
Declared load profile
-
Water heating energy efficiency
ηwh
-
%
Daily electricity consumption
Qelec
-
kWh
Daily fuel consumption
Qfuel
-
kWh
Annual electricity consumption
AEC
-
kWh
Annual fuel consumption
AFC
-
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).
Summary of Contents for Residence Condens IS n
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