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Boiler Retra -4М BIO, 550kW
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
| Connection dimensions to the heating system | DN150 |
| Upper combustion chamber volume, M3 | 1,29 |
| Upper combustion chamber size, mm (LxWxH | 1220 х1435 х740 |
| Connecting size of the safety valve | 2х2" |
| Inner wall thickness of the heat exchanger, mm | 6 |
| Hopper capacity, M3 | 3 |
| Loading hatch neck size, mm (WxH) | 590 х 585 |
| Working pressure of the heat carrier, MPA, min / max | 0,15/0,4 |
| Water shirt volume, L | 1 350 |
| Boiler outlet water temperature, Max, °C | 95 |
| Vacuum behind the boiler, Pa, Max | 80 |
| Fuel type | pellets, wood chips, agricultural waste |
| Water temperature at the boiler inlet, not less than, °C | 55 |
| Power consumption, W (220 V, 50 Hz), Max | 2 040 |
| Production period, days | ≥ 90 |
| Complete set | Retra-4M PLUS copper, PST / NPS torch, conveyor bunker nutritious |
| Temperature of combustion products, Max, °C | 110-160 |
| Chimney pipe diameter, mm/height, m, not less | 450/18 |
| Heat exchanger area, m2 | 45,1 |
| Chimney outlet, mm | 550х260 |
| Boiler weight (without water), kg | 5 020 |
| Overall dimensions of the boiler with Hopper Assembly, mm (LxWxH) | 2950 х4110 х2370 |
| Producer | РЕТРА |
| Power capacity, kW | 550 |
| Serial number of the boiler | 4М BIO |
| Heating area, m2 (at a height of up to 3.5 m) | 5500 |
| Country of Origin | Ukraine |
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