en
3 Technical specifications
Parameter setting.
3.2
Technical data
Tab.37
Technical settings for combination heaters with boilers
INIDENS
Condensing boiler
Low-temperature boiler
(1)
B1 boiler
Cogeneration space heater
Combination heater
Rated heat output
Useful heat output at rated heat
output and high temperature
setting
(2)
Useful heat output at 30% of
rated heat output and low tem
perature setting
(1)
Space heating – Seasonal ener
gy efficiency
Useful efficiency at rated heat
output and high temperature
setting
(2)
Useful efficiency at 30% of rat
ed heat output and low temper
ature setting
(1)
Auxiliary electricity consumption
Full load
Partial load
Standby mode
Other items
Heat loss on standby
Ignition burner power consump
tion
Annual energy consumption
Sound power level, indoors
Nitrogen oxide emissions
Domestic hot water parameters
Declared load profile
Daily electricity consumption
Annual electricity consumption
Water heating energy efficiency
Daily fuel consumption
Annual fuel consumption
(1) 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).
(2) High temperature setting means 60 °C return temperature at boiler inlet and 80 °C flow temperature at boiler outlet
Tab.38
General
INIDENS
Rated heat input (Qn) for domestic hot wa
ter
Rated heat input (Qn) with domestic hot
water tank
Rated heat input (Qn) for heating
52
INIDENS
24
Yes
No
No
No
No
Prated
kW
24
P4
kW
24
P1
kW
8.1
ƞs
%
94
ƞ4
%
88.0
ƞ1
%
98.8
elmax
kW
0.035
elmin
kW
0.012
PSB
kW
0.004
Pstby
kW
0.04
Pign
kW
-
QHE
GJ
74
LWA
dB
51 (24 kW CH)
NOx
mg/kWh 30
--
Qelec
kWh
--
AEC
kWh
-
ƞwh
%
-
Qfuel
kWh
-
AFC
GJ
-
24
kW
28.9
kW
28.9
kW
24.7
20/24 MI
24/28 MI
Yes
Yes
No
No
No
No
No
No
Yes
Yes
20
24
20
24
6.7
8.1
94
94
88.2
88.0
99.0
98.8
0.027
0.035
0.012
0.012
0.004
0.004
0.04
0.04
-
-
61
74
49 (20 kW CH)
51 (24 kW CH)
32
30
XL
XL
0.152
0.150
33
33
88
86
21.82
22.75
17
17
20/24 MI
24/28 MI
24.7
28.9
-
–
20.6
24.7
30/35 MI
Yes
No
No
No
Yes
30
30
10.1
94
88.1
98.8
0.048
0.016
0.004
0.04
-
92
52 (30 kW CH)
28
XXL
0.169
37
86
28.20
22
30/35 MI
34.9
-
30.9
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