Tab. 1
Fuels
Nominal heat output
Heat input
Efficiency at 100% full load and 70°C average temperature
Efficiency at 30% full load and 40°C average temperature
Water content
Maximum working pressure
Set temperature range
Fuel comsumption
Flue gases (1):
Combustion chamber overpressure
Combustion chamber volume
Waterside pressure drop:
Recomended BAXI burner with Oil (to be ordened separately)
Recomended nozzle with Oil burners
2 stage operation, Delavan W
Modulanting operation, Bergonzo A3
Recomended BAXI burner with Gas (to be ordened separately)
Water flow at nominal output
Noise level (3) (4)
Stanby losses at ΔT=30 °K
Net weight
Minimum return temperature with Oil/Gas fuel (2)
Emissions (1),(4):
Electrical supply to boiler control panel
Grade of protection
(1) At nominal output, 20% air excess, boiler average water temperature 70°C and ambient temperature 25°C.
(2) Burner with 2-stages operation with 1st stage set to 50% of the nominal output or modulating operation with 50-100% output range. More details in
section "Prevention of condensations".
(3) Sound pressure mesured 1m distance front the boiler at nominal output.
(4) With recommended BAXI burner.
kW
kW
%
%
L
bar
°C
Oil
Kg/h
Natural Gas
Nm3/h
Propan Gas
Nm3/h
Evacuation system
Mass flue gas flow Oil
kg/s
Mass flue gas flow Gas
kg/s
mbar
Flue gases temperature
°C
m
3
Pressure at chimney base
mbar
with ΔDT=10°C
mbar
with ΔDT=20°C
mbar
2 stage operation
Modulanting operation
GPH
Kg/h
2 stage operation
Modulanting operation
with ΔDT=10°C
m3/h
with ΔDT=20°C
m3/h
Oil fuel
dB(A)
Gas fuel
dB(A)
W
Kg
°C
Oil fuel NOx / CO
mg/kWh
Gas fuel NOx / CO
mg/kWh
CPA
CPA
270-BTH
320-BTH
380-BTH
Oil C, PCI=10.200 Kcal/Kg; viscosity máx 7 mm2/s ;
Natural Gas, PCI=9.300 Kcal/Nm3 ; Propan Gas, PCI=22.300 Kcal/Nm3
270
320
284,2
335,8
95,0
95,3
96,0
96,4
300
315
5
5
50-90
50-90
23,96
28,31
26,28
31,05
10,96
12,95
B23
B23
0,119
0,141
0,129
0,153
2,1
2,7
125
120
0,328
0,353
≤0
≤0
34,4
48,8
8,6
12,2
Tecno 34-L
Tecno 34-L
-
-
2 x 2,75 - 60°
2 x 3,50 - 60°
2 x 4,00 - 60°
-
-
Crono 30-G2
Tecno 34-G
Tecno 34-GM
Tecno 34-GM
Tecno 44-GM
23,22
27,52
11,61
13,76
70
70
70
72
905
980
645
695
monophasic 230 V (+10%-15%) - 50 Hz
CPA
CPA
460-BTH
540-BTH
380
460
398,3
481,7
95,4
95,5
96,5
96,5
450
500
5
5
50-90
50-90
33,58
40,61
36,83
44,54
15,36
18,58
B23
B23
0,167
0,202
0,181
0,219
3,1
3,9
120
120
0,421
0,486
≤0
≤0
39,2
49,5
9,8
12,4
Tecno 44-L
Tecno 50-L
-
Tecno 50-LM
Tecno 50-LM
2 x 4,50 - 60°
2 x 5,50 - 60°
-
60 - 45°
Tecno 44-G
Tecno 50-G
Tecno 70-G
Tecno 50-GM
Tecno 70-GM
32,68
39,56
16,34
19,78
72
75
72
72
1040
1155
835
940
39 / 42
<180 / <70
<120 / <40
IP20
CPA
CPA
640-BTH
540
640
565,4
670,2
95,5
95,5
96,6
96,6
690
725
5
5
50-90
50-90
47,67
56,51
52,28
61,98
21,80
25,85
B23
B23
0,237
0,281
0,257
0,304
4,2
5,0
120
120
0,620
0,685
≤0
≤0
36,7
51,0
9,2
12,7
Tecno 50-L
Tecno 70-L
Tecno 70-LM
2 x 7,50 - 60°
70 - 45°
70 - 45°
Tecno 70-G
Tecno 70-GM
46,44
55,04
23,22
27,52
75
75
75
75
1270
1380
1180
1295
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