Big Book of Hamworthy Products and Services

40 Products that perform | Service that delivers | People that care MODELS kW OUTPUT 530-10000 19 Melbury HE boiler 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 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 l/s No minimum flow rate Operating 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 °C 90 90 90 90 90 90 (70) Water return temperature - minimum °C 60 60 60 60 60 60 Gas Gas flow rate natural gas (G20) - maximum m 3 /h 61.5 66.5 72.6 79.9 92.1 101.8 Gas inlet pressure natural gas (G20) - nominal/maximum mbar 20 (50) 20 (50) 20 (50) 20 (50) 20 (50) 20 (50) Flue Approx. flue gas volume @ 15°C, 9% C0 2 , N.T.P m 3 /h 737.9 799.3 891.6 983.8 1137.5 1229.8 Flue gas temperature @80/60 °C °C 209 187 197 179 196 172 NO x 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 1Ph 50Hz Approx. shipping weight - excluding burner kg 1130 1490 1490 1810 1810 2000 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 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 l/s No minimum flow rate Operating 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 20 (50) 30 (50) 40 (50) 45 (50) 60 (75) 60 (75) 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 NO x 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 - 530-895kWmodels Technical data - 1,150-3,000kWmodels

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