Operating Instructions and Installation Instructions

LR, LRK, LR-NT, LRK-NT 21 - 32
We reserve the right to make changes to dimensions and construction 10 edition 30.10.2007
4.6. Technical data
4.6.1. Pyronox LR
Technical specifications LR (fuel oil)
LR 21 22 23 24 25 26 27 28 29 30 31 32
Power
Boiler nominal power qN (80/60°C)
max. 530 580 630 700 800 895 1150 1300 1650 1900 2500 3000
min. 211 272 272 355 355 494 582 582 680 847 1217 1272
Calorific power qF
max. 584 631 689 758 874 966 1246 1420 1812 2076 2722 3295
min.
2
223 287 287 374 374 520 613 613 716 891 1280 1339
Modulation rate at 80/60 °C
2
38% 45% 42% 49% 43% 54% 49% 43% 40% 43% 47% 41%
Efficiencies
Overall efficiency 60 / 80 °C
100%
%
90.8 91.9 91.4 92.3 91.5 92.6 92.3 91.5 91.0 91.5 91.8 91.0
Overall efficiency 50 / 70 °C
30%
%
95.3 95.3 95.3 95.3 95.4 95.3 95.3 95.4 95.5 95.4 95.4 95.4
Overall efficiency 60 / 80 °C
min qF
%
94.8 94.9 94.9 94.9 94.9 95.0 95.0 95.0 95.0 95.0 95.1 95.0
Efficiency DIN4702-8, 60 / 75 °C
ηN
%
94.4 94.6 94.5 94.8 94.6 94.8 94.8 94.7 94.6 94.7 94.8 94.7
Mass flows
Fuel oil flow
max.
1
49.3 53.2 58.1 64.0 73.8 81.5 105.1 119.8 152.9 175.2 229.7 278.1
min.
1
18.8 24.2 24.2 31.6 31.6 43.9 51.7 51.7 60.4 75.2 108 113.0
Exhaust gas mass flow
max. wet 0.25 0.27 0.30 0.33 0.38 0.42 0.54 0.61 0.78 0.89 1.18 1.42
min. wet 0.10 0.12 0.12 0.16 0.16 0.22 0.26 0.26 0.31 0.38 0.55 0.58
Exhaust gas data, losses
Overpressure combustion chamber
max.
mbar
5.85 4.13 4.95 4.93 6.60 5.23 6.29 8.22 9.47 9.25 10.16 9.32
Exhaust gas temperature at 80/60 °C
max. 208 186 196 178 195 171 178 194 204 194 187 204
min.
2
Exhaust gas losses at 80/60 °C
max.
%
9.07.98.47.58.37.27.68.38.88.48.08.8
Stand-by loss qB
70 °C
W
781 883 883 1020 1020 1177 1382 1382 1565 1742 2073 2330
Hydraulic data
Water resistance
Δt=10K
42 50 59 73 96 120 81 103 167 106 184 84
Δt=20K
11 13 15 18 24 30 20 26 42 27 46 21
Water flow
max. 45.5 54.1 54.1 68.7 68.7 76.9 111.7 111.7 141.8 163.2 214.8 257.8
Operating temperatures
max.
SCO
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%
120
kW
kW
mbar
kg/s
°C
kg/h
110
95
m3/h
°C
100
110
120
130
140
150
160
170
180
190
200
210
0 500 1000 1500 2000 2500 3000
QN [kW]
[°C]
OG
LR21
LR22
LR23
LR24
LR25
LR26
LR27
LR28
LR29
LR30
LR32
LR31
Smax = 0.2%
Smax = 0.05% (500 ppm)
Flue gas temperature diagram LR, fuel oil with clean boiler
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