56
Model
REB-
KBI2424FF
REB-
KBI2929FF
REB-
KBI3535FF
Condensing boiler
YES
YES
YES
Low temperature boiler
NO
NO
NO
B1 Boiler
NO
NO
NO
Cogeneration space heater
NO
NO
NO
Combination heater
YES
YES
YES
Element
Symbol
Level
Unità
Rated heat output
P
nominal
23
28
34
kW
Useful heat output @ rated heat output (80/60°C)
P
4
23.2
28.0
33.7
kW
Useful heat output @ 30% of rated heat output (30°C return)
P
1
7.7
9.3
11.2
kW
Seasonal space heating energy efficiency CH
η
s
92.0
92.1
92.2
%
Useful efficiency @ rated heat output (80/60°C)
η
4
87.5
87.5
87.5
%
Useful efficiency @ 30% of rated heat output (30°C return)
η
1
98.6
98.4
98.2
%
Auxiliary electricity consumption @ full load
el
max
0.083
0.100
0.095
kW
Auxiliary electricity consumption @ partial load
el
min
0.065
0.066
0.066
kW
Auxiliary electricity consumption in stand-by mode
P
SB
0.003
0.003
0.003
kW
Standby heat loss
P
stby
0.065
0.065
0.065
kW
Ignition burner power consumption
P
ign
0.000
0.000
0.000
kW
Emissions of nitrogen oxides
NOx
50
50
35
mg/kWh
Declared load profile (DHW)
L
XL
XL
Daily electricity consumption
Q
elec
0.084
0.117
0.122
kWh
Water heating energy efficiency
η
wh
84
88
86
%
Daily fuel consumption
Q
fuel
14.188
21.916
22.604
kWh
Values setted with gas G20-20mbar - gross calorific value (Hs) - According to Reg.UE813/2013