Immergas NIKE Star - Page 109

107
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N.B.: Gas flow rates refer to heat output below 15°C and pressure of 1013
mbar. Burner pressure values refer to use of gas at 15°C.
Flue temperature values refer to air inlet temperatures of 15°C.
Nike Star variable heat output.
NATURAL GAS (G20) BUTANE (G30) PROPANE (G31)
OUTPUT
HEAT
(kcal/h)
OUTPUT
HEAT
(kW)
H
E
A
T
I
N
G
GAS
FLOWRATE
BURNER
(m3/h)
NOZZLES PRESSURE
BURNER
(mbar) (mm H20)
GAS
FLOWRATE
BURNER
(kg/h)
NOZZLES PRESSURE
BURNER
(mbar) (mm H20)
GAS
FLOWRATE
BURNER
(kg/h)
NOZZLES PRESSURE
BURNER
(mbar) (mm H20)
20000 23,3 2,71 10,6 108 2,02 27,5 281 1,99 35,3 360
19000 22,1 2,58 9,7 99 1,93 25,1 256 1,90 32,2 328
18000 20,9 2,45 8,7 88 1,82 22,5 229 1,80 28,9 294
17700 20,6 2,41 8,4 85 1,79 21,7 222 1,77 27,9 285
16000 18,6 2,18 6,9 70 1,62 17,8 182 1,60 22,9 233
15000 17,4 2,05 6,1 62 1,53 15,7 160 1,50 20,2 206
14000 16,3 1,92 5,3 54 1,43 13,8 141 1,41 17,7 180
13000 15,1 1,79 4,6 47 1,33 12,0 122 1,31 15,3 157
12000 14,0 1,66 4,0 40 1,23 10,3 105 1,21 13,2 134
11000 12,8 1,52 3,4 34 1,14 8,7 89 1,12 11,2 114
10000 11,6 1,39 2,8 29 1,04 7,3 74 1,02 9,3 95
9000 10,5 1,26 2,3 23 0,94 6,0 61 0,93 7,7 78
8000 9,3 1,13 2,1 21 0,84 4,7 48 0,83 6,4 65
6000 7,0 Domestic 0,85 1,2 12 0,64 2,7 28 0,63 3,6 37
Nike Star technical specifications.
Nominal heating capacity
Min. heating capacity
Nominal heat output (useful)
Min. heat output (useful)
Useful heating efficiency at nominal output
Useful heating efficiency at 30% nom. output
Heat loss at shell with burner On/Off
Heat loss at flue with burner On/Off
kW (kcal/h)
kW (kcal/h)
kW (kcal/h)
kW (kcal/h)
%
%
%
%
25,6 (22002)
10,7 (9174)
23,3 (20000)
9,3 (8000)
90,9
89,2
2,8/1,13
6,3/0,51
G20 G30 G31
Diam. nozzles
Feed pressure
mm
mbar (mm H
2
O)
1,30
20 (204)
0,77
29 (296)
0,77
37 (377)
Max. working pressure heating circuit
Max. working temp. heating circuit
Adjustable temp. heating
Total volume expansion tank
Expansion tank precharge
Water content of generator
Available head with flowrate 1000 l/h
Useful heat output hot water production
Domestic hot water adjustable temp.
Flow limiter
Min. pressure (dynamic) domestic circuit
Max. working pressure domestic circuit
Min. drawing domestic hot water
Drawing capacity in continuous service (∆T 30° C)
Specific capacity ( ∆T 30° C)
Min. pressure for flow limiter capacity
Weight of boiler full
Weight of boiler empty
bar
°C
°C
l
bar
l
kPa (m H
2
O)
kW (kcal/h)
°C
l/min
bar
bar
l/min
l/min
l/min
bar
kg
kg
3
90
35 - 80
6
1,0
3,5
23,03 (2,35)
23,3 (20000)
35 - 55
8
0,26
10
2,5
11,1
10,7
1
34
30
Electrical connection
Nominal absorption
Installed electrical power
Power absorbed by circulating pump
Appliance electrical system protection
V/Hz
A
W
W
-
230/50
0,40
85
63
IPX4D
G20 G30 G31
Fumes flowrate in mass at nominal output
Fumes flowrate in mass at min. output
CO
2
at Nom./Min. Q.
CO at 0% O
2
at Nom./Min. Q.
NO
x
at 0% O
2
at Nom./Min. Q.
Fumes temp. at nom. output
Fumes. temp. at min. output.
kg/h
kg/h
%
ppm
ppm
°C
°C
66
58
5,5/2,5
90/12
116/65
94
74
65
57
6,5/2,9
170/19
200/97
95
75
66
59
6,3/2,8
48/14
150/75
97
76
Resistance boiler fumes circuit Pa 1,3