Operating Instructions and Installation Instructions
LR, LRK, LR-NT, LRK-NT 21 - 32
We reserve the right to make changes to dimensions and construction 22 edition 30.10.2007
4.7. Additional data for Pyronox LRK and LRK-NT
4.7.1. Pyronox LRK
Technical specifications recuperator (fuel oil)
LRK 212223242526272829303132
Power
Nominal power qN (30 / 35°C)
max.
1
42 42 47 50 59 64 82 96 130 141 179 237
min.
1
18 22 22 29 29 39 48 48 55 69 96 106
Efficiencies
Overall efficiency 30 / 35 °C
100%
1
%
98.2 98.5 98.3 98.9 98.3 99.2 98.9 98.3 98.2 98.3 98.4 98.2
Overall efficiency 30 / 35 °C
30%
2
%
102.9 102.8 102.9 102.7 103.0 102.6 102.7 102.9 103.1 103.0 102.9 103.2
Efficiency DIN4702-8, 60 / 75 °C
η
N
%
102.4 102.4 102.4 102.5 102.5 102.4 102.4 102.4 102.8 102.7 102.6 102.7
Exhaust gas data, losses
Additional exhaust gas pressure drop
max
mbar
2.75 1.29 1.56 1.85 2.51 1.41 1.26 1.68 2.77 2.08 2.20 2.15
Total combustion space overpressure
max
mbar
8.60 5.42 6.51 6.78 9.11 6.64 7.55 9.90 12.24 11.33 12.36 11.48
Exhaust gas temperature at 30 / 35 °C
max.
1
51 48 49 47 49 47 47 49 50 49 48 50
min.
1
35 35 35 36 36 37 36 36 36 36 36 36
Exhaust gas losses at 30 / 35 °C
max.
1
%
1.61.51.61.41.51.41.51.61.71.61.71.6
Stand-by loss qB
70 °C
W
824 926 926 1073 1073 1239 1447 1447 1645 1831 2166 2427
Hydraulic data
Water resistance
Δ
t=5K
22 29 38 29 41 33 40 54 64 52 53 66
Δt=10K
6 7 10 7 10 8 10 14 16 13 13 17
Water flow
max. 7.2 7.2 8.1 8.6 10.1 11.0 14.1 16.5 22.3 24.2 30.7 40.6
min. 1.8 2.0 2.0 2.5 2.5 2.7 4.1 4.1 5.6 6.0 7.7 10.2
Condensate
Amount of condensate
max.
L / h
13.5 16.0 17.5 21.5 22.5 29.5 34.5 37.0 45.0 55.0 73.0 84.0
Values at:
3zugskessel, V-01/07
- lamda=1.2, CO2=12.7%
OG
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: Boiler at 60 / 80 °C
2: Boiler at 50 / 70 °C
m3/h
kW
mbar
°C
Technical specifications recuperator (natural gas)
LRK 212223242526272829303132
Power
Nominal power qN (30 / 35°C)
max.
1
67 72 79 87 101 110 143 163 208 239 313 378
min.
1
12 15 15 22 22 33 38 39 45 57 90 109
Efficiencies
Overall efficiency 30 / 35 °C
100%
1
%
102.1 103.3 102.7 103.6 102.9 103.9 103.6 102.9 102.4 102.9 103.2 102.4
Overall efficiency 30 / 35 °C
30%
1
%
107.5 107.5 107.6 107.6 107.6 107.7 107.7 107.7 107.7 107.8 107.8 107.8
Efficiency DIN4702-8, 60 / 75 °C
η
N
%
107.0 107.1 107.1 107.2 107.2 107.3 107.3 107.2 107.2 107.3 107.3 107.2
Exhaust gas data, losses
Additional exhaust gas pressure drop
max
mbar
2.81 1.32 1.60 1.89 2.57 1.44 1.29 1.71 2.83 2.13 2.25 2.20
Total combustion space overpressure
max
mbar
8.78 5.54 6.66 6.92 9.31 6.77 7.70 10.10 12.50 11.57 12.60 11.70
Exhaust gas temperature at 30 / 35 °C
max.
1
50 48 49 47 49 46 47 49 50 49 48 50
min.
1
32 32 32 32 32 33 32 33 32 32 33 33
Exhaust gas losses at 30 / 35 °C
max.
1
%
1.61.51.51.41.61.41.51.61.61.61.61.6
Stand-by loss qB
70 °C
W
824 926 926 1073 1073 1239 1447 1447 1645 1831 2166 2427
Hydraulic data
Water resistance
Δ
t=5K
53 89 107 88 117 100 120 157 163 149 161 168
Δt=10K
13 22 27 22 29 25 30 39 41 37 40 42
Water flow
max. 11.5 12.3 13.5 14.9 17.3 18.9 24.5 27.9 35.7 41.0 53.7 64.8
min. 1.8 2.0 2.0 2.5 2.5 2.7 4.1 4.1 5.6 6.0 7.7 10.2
Condensate
Amount of condensate
max.
L / h
38.0 48.0 49.0 61.0 64.0 81.0 98.0 102.0 123.5 151.0 199.0 242.0
Values at:
3zugskessel, V-01/07
- lamda=1.15, CO2=10%
GG
- T-air=20°C, rel. humidity=60%, p-baro=100kPa
1: Boiler at 60 / 80 °C
kW
mbar
°C
m3/h
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