8
ENGLISH
* I Test conducted with 0.5 metre length of Ø 130 mm (24 C.S.I.) - Ø 140 mm (28 C.S.I.) diam. pipe
The data expressed must not be used to certificate the system; for certification use the data indicated in the “System handbook” measured during first ignition.
TECHNICAL DATA
Methane (G20)
Butane (G30)
Propane (G31)
Multigas table
24 C.A.I.
28 C.A.I.
24 C.A.I.
28 C.A.I.
24 C.A.I.
28 C.A.I.
Main burner:
24 C.A.I. 12 nozzles; 28 C.A.I. 14 nozzles
Ø mm
1.35
1.30
0.77
0.77
0.77
0.77
HC maximum gas capacity
Sm3/h
2.82
3.37
2.10
2.51
2.07
2.48
kg/h
DHW maximum gas capacity
Sm3/h
2.82
3.37
2.10
2.51
2.07
2.48
kg/h
HC minimum gas capacity
Sm3/h
1.10
1.13
0.82
0.84
0.81
0.83
kg/h
DHW minimum gas capacity
Sm3/h
1.10
1.13
0.82
0.84
0.81
0.83
kg/h
Maximum pressure downstream CH valve
mbar
10.10
10.40
28.00
28.00
36.00
36.00
mm H2O
102.99
106.05
285.52
285.52
367.10
367.10
Maximum pressure downstream DHW valve
mbar
10.10
10.40
28.00
28.00
36.00
36.00
mm H2O
102.99
106.05
285.52
285.52
367.10
367.10
Minimum pressure downstream CH valve
mbar
1.70
1.40
4.70
3.80
6.10
4.80
mm H2O
17.34
14.28
47.93
38.75
62.20
48.95
Minimum pressure downstream DHW valve
mbar
1.70
1.40
4.70
3.80
6.10
4.80
mm H2O
17.34
14.28
47.93
38.75
62.20
48.95
Lower Wobbe index (at 15°C-1013 mbar)
MJ/m
3S
45.67
80.58
70.69
Lower heat Value
MJ/m
3
34.02
116.09
88
Supply nominal pressure
mbar (mm H2O)
20 (203.9)
28-30 (285.5-305.9)
37 (377.3)
Supply minimum pressure
mbar (mm H2O)
13.5 (137.7)
24 C.A.I.
Heating//domestic hot water nominal thermal output (Hi)
kW
26.70
31.90
kcal/h
22,962
27,434
Heating/domestic hot water nominal thermal power
kW
24.11
28.97
kcal/h
20,735
24,910
Heating reduced thermal output (Hi)
kW
10.40
10.70
kcal/h
8,944
9,202
Heating reduced thermal power
kW
8.89
9.14
kcal/h
7,647
7,859
Domestic hot water reduced thermal output (Hi)
kW
10.40
10.70
kcal/h
8,944
9,202
Domestic hot water reduced thermal power
kW
8.89
9.14
kcal/h
7,647
7,859
Pn max - Pn min working efficiency
%
90.3-85.5
90.8-85.4
30 % working efficiency
%
88.6
89.7
Electric power
W
85
85
Category
II2H3+
II2H3+
Country of destination
-
-
Power supply voltage
V - Hz
230-50
230-50
Protection level
IP
X5D
X5D
Chimney and skirt losses with burner off
%
0.07-0.80
0.07-0.80
CH operation
Maximum pressure - temperature
bar
3-90
3-90
Minimum pressure for standard operation
bar
0.25-0.45
0.25-0.45
Selection field of CH water temperature
°C
40-80
40-80
Pump: maximum head available
mbar
300
300
for system capacity
l/h
1000
1,000
Membrane expansion tank
l
8
8
Expansion tank pre-charge
bar
1
1
DHW operation
Maximum pressure
bar
6
6
Minimum pressure
bar
0.20
0.20
Hot water quantity
with ∆t 25°C
l/min
13.8
16.6
with ∆t 30°C
l/min
11.5
13.8
with ∆t 35°C
l/min
9.9
11.9
DHW minimum capacity
l/min
2
2
Selection field of DHW temperature
°C
37-60
37-60
Flow regulator
l/min
10
12
Gas pressure
Methane gas nominal pressure (G 20)
mbar
20
20
LGP liquid gas nominal pressure (G 30 / G 31)
mbar
28-30/37
28-30/37
Hydraulic connections
HC input - output
Ø
3/4"
3/4"
DHW input-output
Ø
1/2"
1/2"
Gas input
Ø
3/4"
3/4"
Boiler dimensions
Height
mm
740
740
Width
mm
400
450
Depth
mm
328
328
Boiler weight
kg
30
30
Flow rate (G20)
Air capacity
Nm
3/h
46,191
58,815
Flue gas capacity
Nm
3/h
43,514
55,616
Mass flow of flue gas (max-min)
gr/s
15.71-14.99
20.06-18.36
Flue gas exhaust pipes
Diameter
mm
130
140
NOx
class 2
class 3
Emission values at max. and min. rate of gas G20*
Maximum
CO s.a. lower than
p.p.m.
90
110
CO2
%
6.90
6.45
NOx s.a. lower than
p.p.m.
160
170
∆t flue gases
°C
112
110
Minimum
CO s.a. lower than
p.p.m.
80
80
CO2
%
2.80
2.35
NOx s.a. lower than
p.p.m.
120
110
∆t flue gases
°C
77
67
28 C.A.I.
Summary of Contents for Mynute J 24 C.A.I. E
Page 75: ...MYNUTE J C A I E 75 GR 1 1 2 bar 3 bar OFF 2 Mynute J 24 28 C A I E B11BS 3 50 3...
Page 78: ...78 JP2 OFF 4 6 G20 LPG 21 19 LPG JP3 LPG JP3 5 5 1 22 22 23 1 1 bar...
Page 97: ...MYNUTE J C A I E 97 fig 7a fig 2b fig 3a fig 5a fig 6a fig 2a fig 4a 4 1 2 3 5 fig 1a...
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