Nova Florida DELFIS Monothermal - ERP and Labelling Data

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Technical features and dimensions
Description um Max. output Min. output 30% load
Heat loss from the boiler casing % 3,04 4,24 -
Flue system heat loss with burner on % 6,86 8,56 -
Flue system mass capacity g/s 16,72 14,98 -
Flue temp. – air temp. °C 83 62 -
CO2 value (methane/butane/propane) % 5.7 / 6.7 / 7.3 3.0 / 3.5 / 3.7 -
Maximum heat output eciency rating % 90,1 87,15 88,45
NOx emission class - 2
Tab. 3 CTN 24 combustion specications
2.6 ERP and Labelling data
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output
P
rated
22 kW
Seasonal space heating energy
efficiency
η
S
76 %
At rated heat output and high-
temperature regime (*)
P
4
22,1 kW
At rated heat output and high-
temperature regime (*)
η
4
81,1 %
At 30 % of rated heat output and low-
temperature regime (**)
P
1
6,5 kW
At 30 % of rated heat output and low-
temperature regime (**)
η
1
79,7 %
At full load
el
max
0,012 kW Standby heat loss
P
stby
0,150 kW
At part load
el
min
0,011 kW Ignition burner power consumption
P
ign
0,000 kW
In standby mode
P
SB
0,001 kW Annual energy consumption
Q
HE
84 GJ
Emissions of nitrogen oxides
NO
x
149 mg/kWh
Sound power level, indoors
L
WA
52 dbA
Daily electricity consumption
Q
elec
0,107 kWh Daily fuel consumption
Q
fuel
24,650 kWh
Annual electricity consumption AEC 23 kWh Annual fuel consumption AFC 18 GJ
C
B
Seasonal space heating energy efficiency class
Water heating energy efficiency class
For combination heaters:
Model(s): DELFIS CTN 24
Condensing boiler: no
Low-temperature (**) boiler: no
B1 boiler: yes
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
%
(*) 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).
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Contact details: FONDITAL S.p.A. - Via Cerreto, 40 I-25079 VOBARNO (Brescia) Italia - Italy
Declared load profile XL Water heating energy efficiency
η
wh
Tab. 4 ERP and Labelling data