Big Book of Hamworthy Products and Services

Technical data - 1150-3000kWmodels 37 01202 662500 | sales@hamworthy-heating.com | hamworthy-heating.com Boilers Boiler model Unit MC1150 MC1300 MC1650 MC1900 MC2500 MC3000 Building regulation seasonal efficiency gross % 95.24 95.22 95.21 95.31 95.33 95.28 Primary heat exchanger Energy 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 311 314 367 459 713 714 Water Design flow rate @ 20°C ∆ T rise l/s 13.8 15.6 19.7 22.7 29.9 35.9 Hydraulic resistance @ 20°C ∆ T rise mbar 20 26 42 27 46 21 Design flow rate @ 10°C ∆ T rise l/s 27.5 31.1 39.5 45.4 59.8 71.8 Hydraulic resistance @ 10°C ∆ T rise mbar 81 103 167 106 184 84 Water flow rate - minimum l/s No minimum flow rate Operating water pressure - maximum (minimum) barg 6 (0.85) 6 (1.1) 6 (1.25) 6 (1.3) 6 (1.6) 6 (1.7) Operating water temperature - maximum °C 95 95 95 95 95 95 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 nom 20 / max 50 Flue Approx. flue gas volume @ 15°C, 9% C0 2 , N.T.P m 3 /h 1599 1814 2336 2675 3505 4243 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 Secondary heat exchanger Energy Energy output @35/30 - max (min) kW 143 (38) 163 (39) 208 (45) 239 (57) 313 (90) 378 (109) Standby loss @70°C W 1447 1447 1645 1831 2166 2427 Water Design flow rate @ 10°C ∆ T rise l/s 3.42 3.9 4.98 5.72 7.49 9.04 Hydraulic resistance @ 10°C ∆ T rise mbar 30 39 41 37 40 42 Design flow rate @ 5°C ∆ T rise l/s 6.81 7.75 9.91 11.4 14.9 18 Hydraulic resistance@ 5°C ∆ T rise mbar 40 54 64 52 53 66 Water flow rate - minimum (maximum) l/s 0.89 (6.84) 1.11 (7.8) 1.53 (9.95) 1.67 (11.4) 2.08 (15) 2.69 (18.1) Condensate flow rate - maximum l/h 98 102 124 151 199 242 Flue Flue gas temperature @35/30 °C °C 47 49 50 49 48 50 Flue gas losses @35/30 °C % 1.5 1.6 1.6 1.6 1.6 1.6 Combustion path resistance mbar 1.29 1.71 2.83 2.13 2.25 2.2 Misc. Nominal supply voltage - for boiler 230V 1Ph 50Hz Approx. shipping weight - excluding burner kg 2950 2950 3508 4133 5169 5892  Technical Data: Melbury C boiler

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