44 Products that perform | Service that delivers | People that care Melbury HE boiler Technical data 530-895kW models Boiler model Unit MHE530 MHE580 MHE630 MHE700 MHE800 MHE895 Energy Building regulation seasonal efficiency gross % 85.00 85.41 85.25 85.63 85.42 85.82 Boiler output 80/60 °C kW 530 580 630 700 800 895 Equivalent MCPD Output (emission compliance) new installation* kW N/A N/A N/A N/A N/A 830 Boiler input (gross) maximum kW 645 697 762 838 966 1068 Boiler input (nett) maximum kW 581 628 686 755 870 962 Boiler output minimum 80/60 °C kW 95 121 121 175 175 269 Water Design flow rate @ 20°C ∆T rise l/s 6.34 6.94 7.54 8.37 9.57 10.71 Hydraulic resistance @ 20°C ∆T rise mbar 11 13 15 18 24 30 Design flow rate @ 10°C ∆T rise l/s 12.68 13.88 15.07 16.74 19.14 21.41 Hydraulic resistance @ 10°C ∆T rise mbar 42 50 59 73 96 120 Water flow rate - minimum m3/hr 10.2 11.1 12.1 13.4 15.3 17.1 Water pressure - maximum (minimum) barg 6 (0.55) 6 (0.55) 6 (0.65) 6 (0.50) 6 (0.70) 6 (0.75) Operating water temperature - maximum Deg C 90 90 90 90 90 90 Water return temperature - minimum Deg C 60 60 60 60 60 60 Gas Gas flow rate natural gas (G20) - maximum m3/h 61.5 66.5 72.6 79.9 92.1 101.8 Gas inlet pressure natural gas (G20) - nominal/maximum mbar Data on Application Flue Approx. flue gas volume @ 15°C, 9% C0 2 , N.T.P m3/h 737.9 799.3 891.6 983.8 1137.5 1229.8 Flue gas temperature @80/60 °C Deg C 209 187 197 179 196 172 NOx emission (0% excess oxygen, dry air free) European Class 5 mg/kWh 80-100 80-100 80-100 80-100 80-100 80-100 Combustion chamber resistance mbar 5.97 4.22 5.06 5.03 6.74 5.33 Misc. Nominal supply voltage - for boiler 230v / 1 ph / 50Hz Approx. shipping weight - excluding burner kg 1166 1523 1523 1854 1854 2020 Boiler model Unit MHE1150 MHE1300 MHE1650 MHE1900 MHE2500 MHE3000 Energy Building regulation seasonal efficiency gross % 85.70 85.49 85.26 85.49 85.76 85.33 Boiler output 80/60 °C kW 1150 1300 1650 1900 2500 3000 Equivalent MCPD Output (emission compliance) - new installations* kW 1087 1087 1391 1656 2105 2640 Boiler input (gross) maximum kW 1377 1570 2004 2294 3009 3643 Boiler input (nett) maximum kW 1240 1414 1805 2067 2711 3282 Boiler output minimum 80/60 °C kW 582 582 680 847 1217 1272 Water Design flow rate @ 20°C ∆T rise l/s 13.76 15.55 19.74 22.73 29.9 35.89 Hydraulic resistance @ 20°C ∆T rise mbar 20 26 42 27 46 21 Design flow rate @ 10°C ∆T rise l/s 27.51 31.1 39.47 45.45 59.81 71.77 Hydraulic resistance @ 10°C ∆T rise mbar 81 103 167 106 184 82 Water flow rate - minimum m3/hr 22.0 24.9 31.6 36.4 47.9 57.5 Water pressure - maximum (minimum) barg 6 (0.85) 6 (1.10) 6 (1.25) 6 (1.30) 6 (1.60) 6 (1.70) Operating water temperature - maximum °C 90 90 90 90 90 90 Water return temperature - minimum °C 60 60 60 60 60 60 Gas Gas flow rate natural gas (G20) - maximum m 3 /h 131.3 149.7 191 218.8 286.9 347.3 Gas inlet pressure natural gas (G20) - nominal/maximum mbar Data on application Flue Approx. flue gas volume @ 15°C, 9% C0 2 , N.T.P m 3 /h 1598.7 1813.9 2336.5 2674.7 3504.8 4242.7 Flue gas temperature @80/60 °C °C 179 194 205 195 188 205 NOx emission (0% excess oxygen, dry air free) European Class 5 mg/kWh 80-100 80-100 80-100 80-100 80-100 80-100 Combustion chamber resistance mbar 6.41 8.39 9.67 9.43 10.35 9.5 Misc. Nominal supply voltage - for boiler 230V 1Ph 50Hz Approx. shipping weight - excluding burner kg 2460 2460 2948 3393 4248 4822 Technical data 1,150-3,000kW models BOILERS
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