Boilers with feeder for coal
Sigma BR

DESCRIPTION
Sigma BR is a boiler that is very convenient in use, is equipped with retort burner and is intended for combustion of eco pea coal. The highest quality of materials used for manufacturing of the burner ensure its long-term operation, while suitable design of the heat exchanger ensures optimum fuel combustion conditions, high efficiency and low pollutant emissions. Intuitive and user-friendly controller with colour touch display, with adjustable angle of inclination allows simple programming of the equipment and is responsible for control of system’s operation. Boiler meets the power-emission requirements of class 5 acc. to PN EN 303-5:2012.
** Boiler in DiR version with additional grate for manual combustion - DOES NOT MEET THE CO-FINANCING REQUIREMENTS. Ordering DiR boiler please mark DiR on the order - deflector and grate
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5 years of warranty for heat exchanger tightness, 2 years for the remaining components and efficient operation of boiler; |
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heat exchanger made of certified boiler steel |
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controller K1v2 with colour touch panel servicing 4 pumps /central heating, hot utility water, circulation, floor pump/. Possibility to operate mixing valves, control using GSM or INTERNET*; adjustable angle of control panel |
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high thermal efficiency reaching 88% thanks to increased heat recovery from flue gases |
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*adapted for installation in closed system
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screw of fuel feeder made of one piece
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large combustion chamber with highly effective retort burner |
(*) - extra payable equipment, installed on Customer’s request
Name of the boiler | Sigma BR |
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Specification/boiler type | Unit | 24 | ||||
Power range | kW | 7,2-24 | ||||
Heating area |
m2 |
2,4 | ||||
Area of heated rooms 1 |
m2 |
to 290 | ||||
Fuel tank capacity 2 |
kg | ~165 | ||||
Optimum thermal efficiency | % | ~88,8-88,9 | ||||
Energy efficiency class | - | B | ||||
Max. permissible operation pressure |
bar | opened system: 1,5 / closed system: 2,5 | ||||
Required flue gas draught | Pa | 28 |
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Max. temp. of water on supply | °C | 65/80 | ||||
Boiler weight 3 |
kg | 523 | ||||
Boiler water tank capacity | l | 114 | ||||
Chimney section | cmxcm | 15x15 | ||||
Chimney section |
Ø mm |
170 | ||||
Minimum chimney height |
m |
7,5 |
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Width | mm | 1270 | ||||
Depth |
mm |
1110 |
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Height 4 |
mm | 1497 | ||||
Diameter of supply and return Dn |
mm |
G1 ½” |
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Diameter of flue | mm | 178 | ||||
Supply |
V/Hz |
~230/50 |
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Height to bottom edge of the flue |
mm |
1030 |
1 Maximum area of heated rooms estimated for unit heat demand q=80 W/m².
2 Fuel tank capacity for charging density 0,8 kg/dm³.
3 Boiler weight depends on the equipment.
4 Height of boiler can be additionally adjusted by means of provided levelling legs.
5 Extra paid option, installed on the customer’s request.
EcoDesign certificate available for power 20kW. for Sigma E 24 kW boiler.
The boiler meet the requirements of the class 5 acc. to the PN-EN 303-5:2012 for power
of 16, 20, 24, 36 and 48 kW.
On special request the boilers are available with exhaust fan and a mechanism for cleaning of heat
exchanger. Additional equipment components shall be added during ordering of the boiler.
Additional charge to basic version - according to the price list.
NOTE! Please specify side of the container (left or right) during ordering of the SIGMA boiler.