Catalog
Boiler Retra -4М BIO, 400kW
Overview
Heating boilers with microprocessor control of the temperature of the coolant, forced regulated air supply and automated fuel supply to the combustion chamber (if necessary, switched to manual fuel loading mode) - designed for heat supply of individual residential buildings and structures for municipal purposes, equipped with heating systems with forced (closed heating system under pressure) or natural (open heating system) circulation of the coolant.
Characteristics
| Vacuum behind the boiler, Pa, Max | 60 |
| Temperature of combustion products, Max, °C | 110-160 |
| Fuel type | pellets, wood chips, agricultural waste |
| Working pressure of the heat carrier, MPA, min / max | 0,15/0,3 |
| Upper combustion chamber volume, M3 | 1,1 |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Water shirt volume, L | 1 020 |
| Inner wall thickness of the heat exchanger, mm | 6 |
| Upper combustion chamber size, mm (LxWxH | 1250 х1200 х630 |
| Boiler weight (without water), kg | 3 540 |
| Boiler outlet water temperature, Max, °C | 95 |
| Hopper capacity, M3 | 3 |
| Connecting size of the safety valve | 2" |
| Chimney pipe diameter, mm/height, m, not less | 350/18 |
| Loading hatch neck size, mm (WxH) | 530 х 455 |
| Connection dimensions to the heating system | DN125 |
| Heat exchanger area, m2 | 34,2 |
| Power consumption, W (220 V, 50 Hz), Max | 2 040 |
| Production period, days | ≥ 90 |
| Chimney outlet, mm | 400х260 |
| Overall dimensions of the boiler with Hopper Assembly, mm (LxWxH) | 2950 х3720 х2370 |
| Complete set | Retra-4M PLUS copper, PST / NPS torch, conveyor bunker nutritious |
| Producer | РЕТРА |
| Power capacity, kW | 400 |
| Heating area, m2 (at a height of up to 3.5 m) | 4000 |
| Serial number of the boiler | 4М BIO |
| Country of Origin | Ukraine |
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