Operating Instructions and Installation Instructions
LR, LRK, LR-NT, LRK-NT 21 - 32
We reserve the right to make changes to dimensions and construction 24 edition 30.10.2007
4.7.3. Pyronox LRK (low-NOx version with ARF)
Technical specifications recuperator (fuel oil, low NOx) with ARF
LRK 212223242526272829303132
Power
Nominal power qN (30 / 35°C)
max.
1
31 33 37 43 47 58 68 68 95 115 144 181
min.
1,3
12 15 15 19 19 27 33 33 40 50 68 73
Efficiencies
Overall efficiency 30 / 35 °C
100%
1
%
99.5 100.1 99.8 99.6 99.8 99.9 99.5 99.5 99.7 99.7 100.0 99.0
Overall efficiency 30 / 35 °C
30%
2,3
%
103.1 102.9 103.1 102.9 103.1 103.0 102.8 103.0 103.1 103.1 103.0 103.2
Exhaust gas data, losses
Additional exhaust gas pressure drop
max
mbar
1.32 0.67 0.83 1.27 1.34 0.99 0.82 0.82 1.34 1.17 1.16 1.24
Total combustion space overpressure
max
mbar
5.50 3.80 4.62 6.03 6.37 6.32 6.71 6.71 8.09 8.80 8.70 8.81
Exhaust gas temperature at 30 / 35 °C
max.
1
46 45 45 46 45 45 46 46 46 46 45 47
min.
1
34 34 34 34 34 35 35 35 34 34 35 34
Exhaust gas losses at 30 / 35 °C
max.
%
1.21.21.21.21.21.21.31.31.31.31.31.3
Stand-by loss qB
70 °C
W
824 926 926 1073 1073 1239 1447 1447 1645 1831 2166 2427
Hydraulic data
Water resistance
Δt=5K
11 19 23 22 26 27 27 27 34 35 34 39
Δ
t=10K
3566777799910
Water flow
max. 5.3 5.7 6.3 7.4 8.1 9.9 11.7 11.7 16.3 19.7 24.7 31.0
min. 5.5 7.3 9.5 7.3 10.3 8.3 10.0 13.5 16.0 13.0 13.3 16.5
Condensate
Amount of condensate
max.
L / h
14.0 16.0 17.0 20.0 21.0 27.0 32.0 32.0 41.0 50.0 66.0 79.0
Values at:
3zugskessel, V-01/07
- lamda=1.2, CO2=12.7%
ARF OB
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: Boiler at 60 / 80 °C
2: Boiler at 50 / 70 °C
3: Max. sulphur content 0.05% (500 ppm)
kW
mbar
°C
m3/h
Technical specifications recuperator (natural gas, low NOx) with ARF
LRK 212223242526272829303132
Power
Nominal power qN (30 / 35°C)
max.
1
51 55 61 74 78 96 117 117 156 191 240 304
min.
1
11 14 14 19 19 27 33 33 39 49 70 72
Efficiencies
Overall efficiency 30 / 35 °C
100%
1
%
104.2 104.8 104.4 104.2 104.5 104.6 104.2 104.2 104.4 104.4 104.7 103.7
Overall efficiency 30 / 35 °C
30%
1
%
107.7 107.7 107.8 107.7 107.8 107.8 107.8 107.9 107.9 108.0 108.0 108.0
Exhaust gas data, losses
Additional exhaust gas pressure drop
max
mbar
1.35 0.69 0.84 1.30 1.37 1.01 0.84 0.84 1.37 1.20 1.19 1.27
Total combustion space overpressure
max
mbar
5.62 3.89 4.69 6.15 6.49 6.45 6.84 6.84 8.26 8.99 8.87 8.98
Exhaust gas temperature at 30 / 35 °C
max.
1
46 44 45 46 45 45 46 46 45 45 44 47
min.
1
32 32 32 32 32 32 33 33 32 32 32 32
Exhaust gas losses at 30 / 35 °C
max.
%
1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.3 1.3 1.3 1.3
Stand-by loss qB
70 °C
W
824 926 926 1073 1073 1239 1447 1447 1645 1831 2166 2427
Hydraulic data
Water resistance
Δt=5K
30 52 64 63 71 76 80 80 92 96 95 109
Δt=10K
7 1316161819202023242427
Water flow
max. 8.7 9.4 10.5 12.7 13.4 16.5 20.1 20.1 26.7 32.7 41.1 52.1
min. 5.5 7.3 9.5 7.3 10.3 8.3 10.0 13.5 16.0 13.0 13.3 16.5
Condensate
Amount of condensate
max.
L / h
35.0 42.0 46.0 56.0 59.0 76.0 95.0 95.0 115.0 141.0 186.0 223.0
Values at:
3zugskessel, V-01/07
- lamda=1.15, CO2=10%
ARF GB
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: Boiler at 60 / 80 °C
m3/h
kW
mbar
°C
© Copyright YGNIS AG CH-Ruswil