Ensbury LT 70 - 580
We reserve the right to make changes to dimensions and construction
11
edition 12.2020
Hamworthy Heating Limited – Dorset BH17 ONF
4.5. Technical data
The power indicated is the maximum power that the corresponding heating body model can deliver. The selected
burner and the output or polluting emissions (NOx) constraints may require the burner to be set at a lower
calorific flow value.
For more information, please contact the after sales department.
4.5.1. Ensbury LT
Technical specifications LT (fuel oil)
Ensbury LT
70
90
120 145 165 190
225 260 300
335 370 440
510 580
Power
Boiler nominal power qN (80/60°C)
max.
kW
70
90
120 145 165 190 225 260 300 335 370
440 510 580
min.
2
39
43
59
65
69
76
93
100 115 135 154
190 216 259
min.
3
28
31
42
46
49
53
62
60
67
80
89
103 117 158
Calorific power qF
max.
kW
76
98
130 158 179 207 245 284 329 366 405
478 556 634
min.
2
41
46
62
69
73
80
98
105 122 143 162
201 228 273
min.
3
29
32
44
48
51
56
65
62
71
84
93
108 122 165
Modulation rate 60 / 80 °C
2
54% 47% 48% 44% 41% 39% 40% 37% 37% 39% 40% 42% 41% 43%
3
38% 33% 34% 30% 28% 27% 27% 22% 22% 23% 23% 23% 22% 26%
Modulation rate @ tm = 40 °C
2
75% 64% 67% 63% 65% 61% 64% 61% 57% 61% 60% 67% 62% 62%
3
60% 51% 53% 47% 45% 45% 47% 44% 42% 45% 45% 49% 47% 48%
Efficiencies
Overall efficiency 60 / 80 °C
100%
%
92.0 91.6 92.2 91.7 92.0 91.5 91.7 91.7 91.2 91.6 91.4 92.1 91.7 91.4
Overall efficiency @ tm=40 °C
30%
2
%
94.6 94.7 94.8 94.8 94.9 95.0 94.9 95.0 95.0 95.0 95.0 95.0 95.1 95.1
Overall efficiency @ tm = 40 °C
30%
3
%
95.6 95.7 95.7 95.8 95.8 95.9 95.9 95.9 96.0 96.0 96.0 96.0 96.0 96.0
Efficiency DIN4702-8, 60 / 75 °C
η
N
2
%
93.7 93.9 94.0 94.1 94.2 94.3 94.3 94.3 94.3 94.4 94.4 94.5 94.6 94.6
Mass flows
Fuel oil flow
max.
1
kg/h
6.4
8.3 10.9 13.3 15.1 17.5 20.7 24.0 27.8 30.9 34.2 40.3 46.9 53.5
min.
1,2
3.5
3.9
5.3
5.8
6.1
6.8
8.3
8.9 10.3 12.0 13.7 16.9 19.2 23.0
Exhaust gas mass flow
max. wet
kg/s 0.03 0.04 0.06 0.07 0.08 0.09 0.11 0.12 0.14 0.16 0.17 0.21 0.24 0.27
min. wet 2
0.02 0.02 0.03 0.03 0.03 0.03 0.04 0.05 0.05 0.06 0.07 0.09 0.10 0.12
Exhaust gas data, losses
Overpressure combustion chamber
max.
mbar 0.44 0.86 0.98 1.61 1.77 2.64 1.97 2.27 3.43 2.83 3.80 2.48 3.75 5.74
Exhaust gas temperature at 80/60 °C
max.
°C
176 187 175 187 183 192 189 191 201 192 197
181 191 196
min.
2
120
min.
3
100
Exhaust gas losses at 80/60 °C
max.
%
7.3
7.9
7.3
7.9
7.7
8.1
8.0
8.1
8.6
8.1
8.4
7.6
8.1
8.4
Stand-by loss qB
70 °C
W
343 343 442 442 451 451 539 552 552 659 659
779 779 779
Hydraulic data
Water resistance
∆
t=10K
mbar
43
71
40
58
76
100
48
66
87
108 132
81
108 140
∆
t=20K
11
18
10
15
19
25
12
17
22
27
33
20
27
35
Water flow
max.
m3/h 6.0
7.7 10.3 12.5 14.2 16.3 19.3 22.3 25.8 28.8 31.8 37.8 43.8 49.8
Operating temperatures
max.
°C
90
SCO
110
Values acc. EN304 at:
3zugskessel, V-07/06
- lamda=1.2, CO2=12.7%
OG
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: LCV = 11.85 kWh/kg
2: Sulphur content up to 0.2%
3: Max. sulphur content 0.005% (50 ppm)
Flue gas temperature diagram LT, fuel oil with clean boiler tm = average
boiler temperature (see also chap. 4.6.1)
Содержание Ensbury LT 120
Страница 2: ......
