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ENGLISH
Technical specifications
DESCRIPTION
ACQUAHOME 25
R BLU
ACQUAHOME 32
R BLU
Device type
Low temperature
central heating
Mixed low tem-
perature heating
B23-C13(*)-
C33(*)-C63(*)
B23-C13(*)-
C33(*)-C63(*)
Fuel
Heating fuel oil
(light oil)
Heating fuel oil
(light oil)
Combustion chamber
vertical
vertical
Maximum rated heat input at furnace referred to HVC (LCV)
28,1 (26,5)
36 (33,9)
kW
Useful (rated) heat output
25
32
kW
Maximum useful heat output
P4
(80-60°C)
25,3
32,5
kW
30% heat output
P1
with return
at 37°C
7,7
9,9
kW
Efficiency class in central heating mode
B
B
Seasonal energy efficiency in central heating mode
ηs
86
87
%
Efficiency at rated heat output in high temperature mode
referred to HCV
η4
Pn (80-
60°C)
90
90,2
%
Efficiency with nominal heat output and high temperature
referred to LHV
Pn (80-
60°C)
84,8
85,1
%
Efficiency at 30% rated heat output in low temperature
mode referred to HCV
η1
with return
at 37°C
91,1
91,8
%
Efficiency at 30% with nominal heat output and low tem-
perature referred to LHV
with return
at 37°C
85,9
86,5
%
Chimney losses with burner on at max. Pn (80-60°C)
3,6
3,8
%
Heat loss in standby mode
Pstby
44
66,00
W
0,17
0,25
%
Annual energy consumption
QHE
84
108
GJ
Noise level (sound power)
LWA
59
59
dB(A)
Emissions with maximum output (*)
NOx
(referred
to HCV)
92,00
88,00
mg/
kWh
NOx Class
3
3
n°
CO2
12,5
12,50
%
CO w.a. <
10
10
ppm
Flue gas
T
with nomi-
nal output
(80-60°C)
100
105
°C
Smoke scale
<0,5
<0,5
Flue gas mass airflow with max nominal output (**)
10
12
g/s
Flue gas residual head with max power
20
18
Pa
Minimum operating pressure
0,5
0,5
bar
Maximum working pressure
3
3
bar
Lockout thermostat activation temperature
110
110
°C
Maximum adjustment temperature
82
82
°C
Minimum return temperature
37
37
°C
Boiler water capacity
30
42
l
Turbulators
16
26
n°
Volume of expansion vessel (CH)
8
12
l
Precharge of expansion vessel (CH)
1,5
1,5
bar
Index of protection
X0D
X0D
IP
Power supply
230 V - 50 Hz
230 V - 50 Hz
Absorbed power supply (max)
205
240
W
Consumption at full load
Elmax
175
195
W
Consumption at part load
Elmin
53
58
W
Electrical consumption in standby mode
Psb
12
12
W
LCV: Lower calorific value of fuel
HCV: Higher calorific value of fuel
Test conditions:
- Room temperature 22°C
- Atmospheric pressure 1018 mbar
(*)
Configurations possible only with the installation of the dedicated accessories (available separately).
(**)
Values referred to atmospheric pressure at sea level.