| 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 |
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