12
Technical characteristics and dimensions
2.4 OPERATING DATA / GENERAL CHAR-
ACTERISTICS
(*) Room Temperature = 20°C
(**) See "NOZZLES - PRESSURES" table
(***) The IP X5D degree of protection is obtained with
the lid lowered.
ARES Tec
440
550
660
770
900
Boiler category
II
2H3P
II
2H3P
II
2H3P
II
2H3P
II
2H3P
Nominal heat input on L.V.C. Qn
kW
432
540
648
756
864
Minimum heat input on L.C.V. Qmin
kW
22
22
22
22
22
Nominal effective power (Tr 60 / Tf 80°C) Pn
kW
424.27
530.33
636.40
742.47
848.53
Minimum effective power (Tr 60 / Tf 80°C) Pn min
kW
20.57
20.57
20.57
20.57
20.57
Nominal effective power (Tr 30 / Tf 50°C) Pcond
kW
445.39
557.82
670.03
783.22
900.29
Minimum effective power (Tr 30 / Tf 50°C) Pcond min
kW
23.94
23.94
23.94
23.94
23.94
Efficiency at nominal power (Tr 60 / Tf 80°C)
%
98.21
98.21
98.21
98.21
98.21
Efficiency at minimum power (Tr 60 / Tf 80°C)
%
93.5
93.5
93.5
93.5
93.5
Efficiency at nominal power (Tr 30 / Tf 50°C)
%
103.1
103.3
103.4
103.6
104.2
Efficiency at minimum power (Tr 30 / Tf 50°C)
%
108.8
108,.8
108.8
108.8
108.8
Combustion efficiency at nominal load
%
98.28
98.28
98.28
98.28
98.30
Combustion efficiency at minimum load
%
98.45
98.45
98.45
98.45
98.45
Losses from operating burner casing
%
0.1
0.1
0.1
0.1
0.1
Losses from burner casing when switched off
--
0.1
0.1
0.1
0.1
0.1
Chimney losses with burner on
%
1.55
1.55
1.55
1.55
1.55
Flue temperature at net of Tf-Ta (max)
°C
45.4
45.5
45.5
45.5
45.3
Maximum flue flow rate (max)
kg/h
706.0
882.5
1059.1
1235.6
1412.1
Air excess
%
25.5
25.5
25.5
25.5
25.5
(**) CO
2
(min/max)
%
-
-
-
-
-
NO
X
(weighted value according to EN 15420)
mg/kWh
47
47
47
47
47
NO
X
class
--
5
5
5
5
5
Water flow rate at nominal power (∆T 20°C)
l/h
18243.5
22804.4
27365.2
31926.1
36487.0
Minimum pressure of heating circuit
bar
0.5
0.5
0.5
0.5
0.5
Maximum pressure of heating circuit
bar
6.0
6.0
6.0
6.0
6.0
Water content
l
73
88
103
118
133
Methane gas consumption G20 (supp.press. 20 mbar) at Qn
m
3
/h
45.68
57.10
68.52
79.94
91.36
Methane gas consumption G20 (supp.press. 20 mbar) at Qmin
m
3
/h
2.33
2.33
2.33
2.33
2.33
Gas consumption G25 (supp.press. 20/25 mbar) at Qn
m
3
/h
53.13
66.41
79.69
92.97
106.25
Gas consumption G25 (supp.press. 20/25 mbar) at Qmin
m
3
/h
2.71
2.71
2.71
2.71
2.71
Propane gas consumption (supp.press. 37/50 mbar) at Qn
kg/h
33.53
41.92
50.30
58.68
67.07
Propane gas consumption (supp.press. 37/50 mbar) at Qmin
kg/h
1.71
1.71
1.71
1.71
1.71
Maximum pressure available at flue base
Pa
100
100
100
100
100
Max condensate production
kg/h
69.5
86.9
104.3
121.7
139.1
Emissions
CO with 0% of O
2
in the exhaust
ppm
<95
<95
<95
<95
<95
NO
x
with 0% of O
2
in the exhaust
ppm
<30
<30
<30
<30
<30
Sound
dBA
<49
<49
<49
<49
<49
Electrical data
Power supply voltage / Frequency
V/Hz
230/50
230/50
230/50
230/50
230/50
Supply fuse
A (F)
4
4
4
4
4
Maximum power
W
626
783
940
1096
1252
(***) Degree of protection
IP
X5D
X5D
X5D
X5D
X5D
Consumption in stand-by
W
20
20
20
20
20
