Ensbury LT 70 - 580
We reserve the right to make changes to dimensions and construction
12
edition 12.2020
Hamworthy Heating Limited – Dorset BH17 ONF
Technical specifications LT (natural gas)
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.
3
25
26
36
41
43
48
54
52
58
70
78
91
101 125
Calorific power qF
max.
kW
76
99
130 158 179 207 245 284 329 366 406 478 557 635
min.
3
26
28
38
43
45
50
56
54
61
73
81
96
106 130
Modulation rate
80/60°C
34% 28% 29% 27% 25% 24% 23% 19% 19% 20% 20% 20% 19% 20%
@ tm=40°C
55% 47% 49% 44% 41% 40% 42% 39% 38% 41% 41% 44% 42% 44%
Efficiencies
Overall efficiency 60 / 80 °C
100%
%
91.9 91.5 92.1 91.6 91.9 91.4 91.6 91.6 91.1 91.5 91.2 92.0 91.5 91.3
Overall efficiency @ tm=40 °C
30%
%
95.8 95.9 95.9 96.0 96.0 96.1 96.1 96.1 96.2 96.1 96.2 96.2 96.2 96.3
Efficiency DIN4702-8, 60 / 75 °C
η
N
%
94.4 94.4 94.5 94.5 94.6 94.6 94.6 94.5 94.6 94.7 94.7 94.8 94.9 95.0
Mass flows
Gas flow, NG type E
max.
1,2
nm
3
/h 7.6
9.9 13.1 15.8 18.0 20.8 24.6 28.5 33.0 36.7 40.7 48.0 55.9 63.7
min.
1,2
2.6
2.8
3.8
4.3
4.5
5.0
5.7
5.5
6.1
7.4
8.1
9.6 10.6 13.1
Exhaust gas mass flow
max. wet
kg/s 0.03 0.04 0.05 0.07 0.07 0.09 0.10 0.12 0.14 0.15 0.17 0.20 0.23 0.27
min. wet
0.01 0.01 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.03 0.04 0.04 0.05
Exhaust gas data, losses
Overpressure combustion chamber
max.
mbar 0.45 0.84 1.00 1.64 1.81 2.69 2.21 2.31 3.50 2.88 3.88 2.53 3.83 5.86
Exhaust gas temperature ati 80/60 °C
max.
°C
177 188 176 188 184 193 189 191 202 192 198 182 192 197
min.
3
95
Exhaust gas losses at 80/60 °C
max.
%
7.5
8.0
7.4
8.0
7.8
8.3
8.1
8.2
8.7
8.2
8.5
7.8
8.3
8.5
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. EN303-3 at:
3zugskessel, V-07/06
- lamda=1.15, CO2=10%
GG
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: LCV = 9.97 kWh/nm3
2: nm3 at 0°C, 1013 mbar
3: S max = 10 mg / nm3
Flue gas temperature diagram Ensbury LT, natural gas with clean boiler tm
= average boiler temperature (see also chap. 4.6.1)
Содержание Ensbury LT 120
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