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2 Technical specifications
Model
BTH25
Nominal heat input
kW HI
25
Combustion efficiency
%
90
Radiation factor
0,57
NOX class
4
Electrical connexion
230/240V 50Hz single phase
Fuse protection
1 fusible 5A
Starting electrical power
VA
120
Functioning electrical power
VA
70
Combustion air & venting
A2, B22, C12, C32
Combustion air inlet opening
type A & B
mm
Ø43
Combustion air inlet opening
type C
mm
Ø40
Flue outlet diaphragm diameter
-
nihil
Air pressure switch adjustment
Pa
49
Turbine discharge
mm
Ø133
Weight
kg
72
Adjustments in function of gaz
Distributed gas
2H, 2E
2L, 2E
3P
3B
Gas category for France
x
x
x
x
Gas reference
G20
G25
G31
G30
Heat input (Hi) of gas reference
1013mbar
10référence1013 mbar 15°C
34,02MJ/m3 29,25MJ/m3 46,34MJ/kg 45,65MJ/k
g
Nom. Inlet pressure mbar
20
25
37
29
Min. inlet pressure min mbar
17
20
25
20
Max. inlet pressure max mbar
25
30
45
35
BTH25
Ø injector mm x 100
450
450
260
260
Pressure by injector mbar
8,5
13,5
RB
*
RB
*
Gas flow 15°c 1013mbar
2,65 m3/h
3,08 m3/h
1,94 kg/h
1,97 kg/h
*
RB = blocked regulator
Summary of Contents for BTwin BTH25
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