Operating Instructions and Installation Instructions

LR, LRK, LR-NT, LRK-NT 21 - 32
We reserve the right to make changes to dimensions and construction 12 edition 30.10.2007
4.6.2. Pyronox LR, ECA-rating
Technical specifications LR (fuel oil, ECA-rating)
LR 21 22 23 24 25 26 27 28 29 30 31 32
Power
Boiler nominal power qN (80/60°C)
max. 370 460 460 600 600 820 1000 1000 1150 1430 1955 2165
min. 211 272 272 355 355 494 582 582 680 847 1217 1272
Calorific power qF
max. 398 494 494 645 645 881 1075 1075 1235 1536 2098 2329
min. 223 287 287 374 374 520 613 613 716 891 1280 1339
Modulation rate at 80 / 60°C
56% 58% 58% 58% 58% 59% 57% 57% 58% 58% 61% 57%
Efficiencies
Overall efficiency 60 / 80 °C
100%
%
93.0 93.1 93.1 93.1 93.1 93.1 93.0 93.0 93.1 93.1 93.1 93.0
Overall efficiency 50 / 70 °C
30%
%
94.7 94.8 94.8 94.8 94.8 94.9 94.9 94.9 94.9 94.9 95.0 94.9
Mass flows
Fuel oil flow
max.
1
33.6 41.7 41.7 54.4 54.4 74.3 90.7 90.7 104.2 129.6 177.0 196.5
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 0.17 0.21 0.21 0.28 0.28 0.38 0.46 0.46 0.53 0.66 0.90 1.00
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
2.68 2.53 2.53 3.55 3.55 4.35 4.65 4.65 4.32 4.99 5.99 4.64
Exhaust gas temperature at 80/60 °C
max. 163 160 160 161 161 161 163 163 161 162 160 163
min.
1
Exhaust gas losses at 80/60 °C
max.
%
6.86.66.66.76.76.76.86.86.76.86.76.8
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
20 32 32 54 54 101 61 61 81 60 113 44
Δt=20K
5 8 8 14 14 25 15 15 20 15 28 11
Water flow
max. 31.8 39.5 39.5 51.6 51.6 70.5 85.9 85.9 98.8 122.9 168.0 186.0
Operating temperatures
max.
SCO
Values acc. EN304 at:
3zugskessel, V-07/06
- lamda=1.2, CO2=12.7%
O-ECA
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: LCV = 11.85 kWh/kg
%m: C=86.5, H=13.1, O=0.2, S max = 0.2%
120
kW
kW
mbar
kg/s
°C
kg/h
110
95
m3/h
°C
100
110
120
130
140
150
160
170
0 250 500 750 1000 1250 1500 1750 2000 2250 2500
QN [kW]
[°C]
O-ECA
LR22
LR24
LR26
LR27
LR29
LR30
LR32LR31
LR21
LR23
LR25
LR28
Smax = 0.2%
Smax = 0.05% (500 ppm)
Flue gas temperature diagram LR, ECA-rating, fuel oil with clean boiler
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