Beretta MYNUTE GREEN 28 C.S.I. Manual De Instalacion Y Uso página 11

10
.
CH: Nominal thermal flow rate
Nominal thermal power (80°/60°)
Nominal thermal power (50°/30°)
Reduced thermal flow rate
Reduced thermal power (80°/60°)
Reduced thermal power (50°/30°)
Working efficiency Pn max - Pn min (80°/60°)
Working efficiency 30% (47° return)
Combustion efficiency
Working efficiency Pn max - Pn min (50°/30°)
Working efficiency 30% (30° return)
Electric power
Category
Supply voltage
Protection level
Protection level
Chimney and skirt losses with burner off
CH operation
Maximum pressure - temperature
Minimum pressure for standard operating
Selection field of CH water temperature
Pump: maximum head available for system
capacity
Membrane expansion tank
Expansion vessel pre-charge (CH)
Gas pressure
Natural gas pressure (G20)
LPG pressure (G31)
Hydraulic connections
CH input-output
Water tank delivery-return
Gas input
Boiler dimensions and weight
Height
Width
Depth
Weight
Fan performance
Fan residual head, pipes 0,5 + bend 90° (intake+discharge)
Flow rates (G20)
Air capacity
Fumes capacity
Mass flow (max-min)
Fume exhaustion and air suction concentric pipe
Diameter
Max lenght
Loss for a 90°/45° bend
Hole in wall (diameter)
Fume exhaustion and air suction concentric pipe
Diameter
Max lenght
Fume exhaustion and air suction separated pipe
Diameter
Max lenght
Loss for a 90°/45° bend
Forced open installation (B23P/B53P)
Diameter
Max lenght
Loss for a 90°/45° bend
NOx
Emission values at maximum and minimum of gas G20 ***
Maximum CO s.a. lower than
CO
2
NOx s.a. lower than
∆t fumes
Minimum CO s.a. lower than
CO
2
NOx s.a. lower than
∆t fumes
** Estimated with one 90° bend, 24 one-metre extensions and a horizontal 1-metre manifold.
*** Tested with Ø 60-100 concentric - lenght 0,85m - water temperature 80-60°C.
TECHNICAL DATA
kW
kcal/h
kW
kcal/h
kW
kcal/h
kW
kcal/h
kW
kcal/h
kW
kcal/h
%
%
%
%
%
W
V - Hz
IP (C type)
IP (B type)
%
bar-°C
bar
°C
mbar
l/h
l
bar
mbar
mbar
Ø
Ø
Ø
mm
mm
mm
kg
Pa
Nm
Nm
gr/s
mm
m
m
mm
mm
m
mm
m
m
mm
m
m
p.p.m.
%
p.p.m.
°C
p.p.m.
%
p.p.m.
°C
11
15 R.S.I.
15,00
12.900
14,81
12.732
15,90
13.674
3,50
3.010
3,44
2.959
3,71
3.188
98,7 - 98,3
102,7
95,8
106,0 - 105,9
107,2
150
II2H3P
230 - 50
X5D
X4D
0,10 - 0,20
3 - 90
0,25 - 0,45
20/45 - 40/80
240
1000
8
1
20
37
3/4"
3/4"
3/4"
780
400
358
38
45
3 /h 18,742
3
/h 20,246
6,79 - 1,59
60 - 100
7,80
0,85/0,5
105
80 - 125
25**
80
40 + 40
0,85/0,5
80
70
0,8/0,5
5 class
120
9,0
50
47
20
9,0
20
41
25 R.S.I. 35 R.S.I.
25,00 34,60
21.500 29.756
24,53 33,67
21.092 28.953
26,30 36,54
22.618 31.422
6,00 7,00
5.160 6.020
5,91 6,84
5.083 5.882
6,37 7,41
5.475 6.375
98,1 - 98,5 97,3 - 97,7
102,6 102,6
95,1 95,1
105,2 - 106,1 105,6 - 105,9
107,6 107,8
165 165
II2H3P II2H3P
230 - 50 230 - 50
X5D X5D
X4D X4D
0,10 - 0,20 0,10 - 0,20
3 - 90 3 - 90
0,25 - 0,45 0,25 - 0,45
20/45 - 40/80 20/45 - 40/80
300 300
1000 1000
8 10
1 1
20 20
37 37
3/4" 3/4"
3/4" 3/4"
3/4" 3/4"
780 780
400 450
358 358
38 43
142 180
31,237 43,356
33,744 46,836
11,32 - 2,72 15,72 - 3,17
60 - 100 60 - 100
7,80 7,80
0,85/0,5 0,85/0,5
105 105
80 - 125 80 - 125
25** 25**
80 80
40 + 40 40 + 40
0,85/0,5 0,85/0,5
80 80
70 70
0,8/0,5 0,8/0,5
5 class 5 class
190 250
9,0 9,0
50 50
62 61
30 30
9,0 9,0
35 40
41 40