TECHNICAL SPECIFICATIONS
MODEL
BTG 15 ME
BTG 20 ME
BTG 28 ME
Maximum natural gas heat power
kW
160
205
280
Minimum natural gas heat power
kW
50
60
80
¹) natural gas emissions
mg/kWh
Class 3
Class 3
Class 2
Operation
Two-stage progressive-
modulating with electronic
cam
Two-stage progressive-
modulating with electronic
cam
Two-stage progressive-
modulating with electronic
cam
50 Hz natural gas transformer
26 kV - 40 mA - 230/240 V 26 kV - 40 mA - 230/240 V 26 kV - 40 mA - 230/240 V
Methane maximum flow rate
Stm³/h
16.9
21.7
29.5
Methane minimum flow rate
Stm³/h
5.3
6.3
8.5
Maximum natural gas pressure
hPa (mbar)
360
360
360
Minimum natural gas pressure
hPa (mbar)
11
16
19
Maximum propane thermal power
kW
160
205
280
Minimum propane thermal power
kW
50
60
80
Propane maximum flow rate
Stm³/h
6.5
8.4
11.5
Propane minimum flow rate
Stm³/h
2
2.5
3.3
Maximum propane pressure
hPa (mbar)
360
360
360
Minimum propane pressure
hPa (mbar)
8
12
18
²)propane emissions
mg/kWh
Class 2
Class 3
Class 2
50hz fan motor
kW
0.185
0.185
0.185
50hz fan motor rpm
r.p.m.
2750
2750
2750
50Hz single-phase electrical data
1N - 230V - 1,78A - 0,409kW 1N - 230V - 1,78A - 0,409kW 1N - 230V - 1,78A - 0,409kW
Protection rating
IP 40
IP 40
IP 40
Flame detection
IONISING ELECTRODE
IONISING ELECTRODE
IONISING ELECTRODE
Air flow rate regulation
ELECTRONIC CAM
ELECTRONIC CAM
ELECTRONIC CAM
Operating ambient air temperature
°C
-15 ÷ +40
-15 ÷ +40
-15 ÷ +40
Sound pressure**
dBA
67
67
67
Weight with packaging
kg
18
18
18
Weight without packaging
kg
17
17
17
Calorific power below reference conditions 15° C, 1013 hPa (mbar):
Natural gas: Hi = 9,45 kWh/Stm³ = 34,02 MJ/Stm³
Propane: Hi = 24,44 kWh/Stm³ = 88,00 MJ/Stm³
For different types of gases and pressure values, contact our sales departments.
Minimum gas pressure, depending on the type of gas train used for obtaining max. flow rate with null pressure in the combustion chamber.
** The acoustic pressure measured with burner operating at maximum rated thermal output refers to the manufacturer's laboratory environment
conditions and cannot be compared to measurements carried out in different locations. Measurement accuracy σ = +/- 1.5 dB(A).
Propane / natural gas CO emissions ≤ 100 mg/kWh
Classes defined according to EN 676 standards.
¹) NATURAL GAS EMISSIONS
Class
NOx emissions in mg/kWh natural gas
1
≤ 170
2
≤ 120
3
≤ 80
4
≤ 60
²) PROPANE GAS EMISSIONS
Class
NOx emissions in mg/kWh propane gas
1
≤ 230
2
≤ 180
3
≤ 140
4
≤ 110
STANDARD ACCESSORIES
MODEL
BTG 15 ME
BTG 20 ME
BTG 28 ME
Burner connection flange
No. 1
No. 1
No. 1
Insulating cord
No. 1
No. 1
No. 1
Stud bolts
N°4 - M10 x 50
N°4 - M10 x 50
N°4 - M10 x 50
Hexagon nuts
N°4 - M10
N°4 - M10
N°4 - M10
Flat washers
No. 4 Ø 10
No. 4 Ø 10
No. 4 Ø 10
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