Automatic pellet boilers

Automatic pellet boilers
Automatic pellet boilers Automatic pellet boilers Automatic pellet boilers Automatic pellet boilers Automatic pellet boilers Automatic pellet boilers Automatic pellet boilers

System Description

Boiler constructively consists of combustion chamber with partitions and tubular heat exchanger. Beyond the heat exchanger, the flue gas goes into collector with chimney, that can be horizontally or vertically oriented by turning the flange for 180°C. There is a wood pellet burner built-into the boiler body.

The boiler is equipped with spiral fuel feeder (1,5 m), ensuring continual fuel dosing. The ATTACK Pellet 30 Automatic Plus boiler can be delivered with pellet container of 450 l volume (dimesions: 1.024 x 705 x 830 mm).

The „big-bag“ – the external textile tank can be used as an alternative. The ATTACK Pellet Automatic Plus boiler is equipped with automatic system for ash removing into detachable box. Box of appropriate volume has to be emptied one time pro heating season, according to the season and intensity of boiler operation. Boiler can be also accessorized with electrical heating device of 2,4–6 kW output.

  • Modern compact design
  • Automatic boiler operation controlled by room regulation ensures comfort of heating
  • High efficiency of burning – low fuel consumption
  • High efficient tubular exchanger equipped with spiral turbulators for better heat transfer in exchanger, higher boiler efficiency and exchanger cleaning
  • Stainless steel burner ATTACK
  • Automatic exchanger cleaning
  • Automatic ash removing
  • Easy operation and simple cleaning
  • Automatic fuel supply
  • Long time approved construction of boiler body
  • Quality boiler steel of 6 mm thickness used for boiler manufacturing
  • High safety and reliability of operation
  • Low operation costs
  • Long life-time
  • Compact dimensions
  • Simple constructed reliable pellet burner with automatic operation control (i.e. ignition and burn-out), with function of automatic cleaning and error autodiagnostics
  • Option of additional heating with electric coil up to the 6 kW output, working also as antifreeze protection
Nominal output 30 kW
Range of output setting 8 – 30 kW
Heat exchange area 1,9 m²
Prescribed chimney draught 15 – 20 Pa
Max. operating overpressure of heat. water 250 kPa
Pressure loss of water 152 (DT = 10K), 38 (DT = 20K) Pa
Boiler weight 355 kg
Diameter of flue exhaust 150 mm
Boiler height 1 220 mm
Boiler width 575 mm
Boiler depth 1 250 mm
Protection of el. parts IP 40 IP
Max. el. input (by ignition) 600 W
Operating el. input 90 W
Boiler efficiency 90,6 %
Boiler class by the CO emission (under the EN 303–5) 4
Flue gas temperature by nominal output 143 °C
Prescribed fuel wood pellets d = 6–10 mm, l = 35 mm max.
Average fuel 2,4 – 6,9 kg.h-1
Volume of water in boiler 62 l
Range of temperature setting of heat. water 60 – 90 °C
Connection voltage ~ 230 / 50 V / Hz
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