41
Technical features and dimensions
Symbol
Value
Unit
Item
Symbol
Value
Unit
P
n
23
kW
Seasonal space heating energy
efficiency
η
S
91
%
P
4
22,9
kW
At rated heat output and high-
temperature regime (*)
η
4
86,5
%
P
1
7,3
kW
At 30 % of rated heat output and low-
temperature regime (**)
η
1
95,9
%
At full load
KRBS
KRBS-M
KRBS-V - KRBS-MV
KRBS-Z - KRBS-MZ
el
max
0,032
0,033
0,034
0,035
kW
Standby heat loss
P
stby
0,049
kW
At part load
KRBS
KRBS-M
KRBS-V - KRBS-MV
KRBS-Z - KRBS-MZ
el
min
0,016
0,017
0,018
0,019
kW
Ignition burner power consumption
P
ign
0,000
kW
Annual energy consumption
Q
HE
41
GJ
Emissions of nitrogen oxides
NO
x
29
mg/kWh
KRBS
0,171
KRBS-M
0,200
KRBS-V - KRBS-MV
0,224
KRBS-Z - KRBS-MZ
0,248
KRBS
37
KRBS-M
43
KRBS-V - KRBS-MV
49
KRBS-Z - KRBS-MZ
54
A
A
Declared load profile
In standby mode
KRBS
KRBS-M
KRBS-V - KRBS-MV
KRBS-Z - KRBS-MZ
AFC
33,406
26
AEC
kWh
kWh
Daily fuel consumption
Annual fuel consumption
Q
fuel
0,003
0,004
0,005
0,006
P
SB
kW
kWh
GJ
Seasonal space heating energy efficiency class
Water heating energy efficiency class
For combination heaters:
%
(*) 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).
KRBS -
KRBS-M-
V-MV: 91
KRBS-Z-
MZ: 90
Contact details: FONDITAL S.p.A. - Via Cerreto, 40 I-25079 VOBARNO (Brescia) Italia - Italy
XXL
Water heating energy efficiency
η
wh
Daily electricity
consumption
Annual electricity
consumption
Q
elec
Model(s): MADEIRA SOLAR KRBS 24
Condensing boiler: yes
Low-temperature (**) boiler: yes
B1 boiler: no
Cogeneration space heater: no
If yes, equipped with a supplementary heater: -
Combination heater: yes
For boiler space heaters and boiler combination heaters:
Useful heat output
For boiler space heaters and boiler combination heaters:
Useful efficiency
Auxiliary electricity consumption
Other items
Item
Rated heat output
At rated heat output and high-
temperature regime (*)
At 30 % of rated heat output and low-
temperature regime (**)
Tab. 12 ERP and Labelling data - 24 kW
