Technical Specifications - Beretta NOVELLA 31 RAI Installation Manual

2.5

Technical specifications

Rated heat input, CH
Rated heat output, CH
Electrical consumption
Category
Power supply voltage
Index of protection
Losses from stack and casing with burner off
Central heating circuit characteristics
Maximum pressure - temperature
CH temperature setting range
Gas pressure
Rated gas pressure, methane (G20)
Rated gas pressure, LPG (G30-G31)
Water connections
CH flow - return
Gas inlet
Emissions with G20 gas
CO below
CO2
NOx (according to EN 297)
Flue gas Δt
Boiler dimensions
Height
Width
Depth
Weight of boiler
PARAMETER
Lower Wobbe index
Main burner
number nozzles
nozzle diameter
Nozzle pressure
(downstream from valve in central heating only mode)
Maximum gas flow rate, CH (*)
(*) Temperature 15°C; Pressure 1013 mbar
(at 15°C-1013 mbar) G20
(at 15°C-1013 mbar) G30
(at 15°C-1013 mbar) G31
G20
G30
G31
G20
G30
G31
G20
G30
G31
31 RAI
kW 34,4
kcal/h 29590
kW 31,0
kcal/h 26660
W
V ~ Hz
IP
% 1,37
bar -°C
°C
mbar
mbar
Ø
Ø
p.p.m. 21
% 5,7
°C 96
mm
mm 450
mm 675
kg 118
31 RAI
(MJ/m 3 )
(MJ/m 3 )
(MJ/m 3 )
4
Ø mm 2,40
Ø mm 1,50
Ø mm 1,50
Δp
13,5
mbar
mm H 2 O Δp
138
Δp
mbar 28,0
mm H 2 O Δp
285
Δp
34,7
mbar
mm H 2 O Δp
354
m 3 /h
3,50
kg/h 2,70
kg/h 2,66
45 RAI
50,0
43000
45,0
38700
15
II 2H3+
230 ~ 50
40
1,23
3 - 100
34-82
20
28-30/37
3/4"
1/2"
19
5,5
class 1
113
850
600
720
154
45 RAI
45,5
80,9
70,9
6
2,40
1,45
1,45
12,7
129
27,8
283
35,7
364
5,10
3,92
3,86
7