Hamworthy Melbury C

Hamworthy MC630 630kW Melbury C

Unit MC630
Primary heat exchanger
Energy
Building regulation seasonal efficiency gross % 95.13
Boiler output 80/60°C kW 630
Boiler input (gross) max kW 762
Boiler input (net) max kW 686
Boiler output min 80/60°C kW 121
Water
Design flow rate @20°C ΔT rise l/s 7.5
Water side pressure loss @20°C ΔT rise mbar 15
Design flow rate @10°C ΔT rise l/s 15.1
Water side pressure loss @10°C ΔT rise mbar 59
Water flow rate – min l/s No min flow rate
Operating water pressure – max (min) barg 6 (0.65)
Operating water temperature – max °C 95
Water return temperature – min °C 60
Gas
Gas flow rate natural gas (G20) – max m3/h 72.6
Gas inlet pressure natural gas (G20) – nominal/max mbar nom 20 / max 50
Flue
Approx. flue gas volume @15°C, 9% CO2 N.T.P m3/h 892
Flue gas temperature @80/60°C °C 197
Nox emission* mg/kWh 80-100
Combustion chamber resistance mbar 5.06
Secondary heat exchanger
Energy
Energy output @35/30 – max (min) kW 79 (15)
Standby loss @70°C W 926
Water
Design flow rate @10°C ΔT rise l/s 1.89
Water side pressure loss @10°C ΔT rise mbar 27
Design flow rate @5°C ΔT rise l/s 3.78
Water side pressure loss @5°C ΔT rise mbar 107
Water flow rate – max (min) barg 0.56 (3.78)
Condensate flow rate – max l/h 49
Flue
Flue gas temperature @35/30°C °C 32
Flue gas losses @35/30°C % 1.4
Combustion path resistance mbar 1.6
Misc.
Nominal supply voltage – for boiler 230V 1Ph 50Hz
Approx. shipping weight – excluding burner kg 1800
*(0% excess O2, dry air free) European Class 5