SOLARFOCUS GmbH

Model Therminator II -Log Wood

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Log wood is the cheapest fuel at present. Its availability in your region gives you the added advantages of independence and an inexhaustible and environmentally friendly fuel supply. With 30 years of experience in the development of wood gasification boilers, SOLARFOCUS offers you a technically mature product.

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  • Boiler efficiencies of up to 94.4% with log wood

  • Intuitive 7" touch display

  • With optional automatic ignition

  • Equipped with a flange for retrofitting to automatic pellet operation

  • Power ratings: 18, 27, 36, 49 and 60 kW

At first glance, all pellet boilers are the same. But the difference is in the detail – and that is significant for low-maintenance and reliable operation! The SOLARFOCUS developments are protected by numerous patents. Pioneering technology for your pellet boiler!
Large stainless steel filling chamber
  • The generously dimensioned stainless steel filling chamber is designed to accommodate logs with a length of half a metre (max. 56 cm). 
    10-year guarantee as per maintenance contract on the filling chamber.

  • The filling chamber volume is decisive for comfort: The larger the filling chamber, the less often you have to stoke it with more wood.
    Large filling chamber – long burning time!

Hopper grate
    • The patented, funnel-shaped chrome-plated steel crucible provides the greatest heat volume with the smallest surface.

    • Resulting in lower heat losses.

    Heat exchanger cleaning system
        • “Christmas Tree” Screws that clean the walls of the heat exchangers at preset periods. The screws are closely aligned to the heat exchanger walls, removing any residues and depositing them in the ash chamber.

        • AUTOMATIC means AUTOMATIC!
          Uniform efficiency saves energy costs! Manual cleaning is not required. Maintenance free.

        Automatic ignition / ember retention
          • The boiler ignites the log wood fully automatically via a hot-air fan at the times you set.

          • You can select the "Ember retention" function: Embers then remain in the combustion chamber on the hopper grate for a certain time. This facilitates firing up after a complete burn-out

          Generously dimensioned ash chamber
            • Large ash chamber, with high-compressed fireclay bricks.
              Easy to replace, no complicated setup work required.

            • Lengthens the intervals for emptying of the ash. 
              Individually mounted fireclay bricks are service-friendly and ensure a long service life for the high-temperature combustion chamber.

            Induced draft fan
              • The combustion air needed in the various areas is sucked in by the speed-controlled induced draft fan. It is controlled by the microprocessor which is built into the control system by the measuring values determined by the lambda sensor.

              • Efficient external rotor motor with stainless steel fan vanes, low noise, maintenance free with speed monitoring.

              Secondary air control with servo-motor
                • The lambda-controlled secondary air admixture allows unparalleled combustion quality with highest efficiencies even when burning different biomass fuels (pellets, log wood).

                • Even in the partial-load range, the boiler remains many times below the emission limit values.

                Backup battery
                  • The backup battery prevents overheating in log wood mode in the event of a power failure.

                  • Corrugated stainless steel pipe for best quality and safety.

                  Flange for pellet auger
                    • Blanking flange for subsequent retrofitting for pellet operation – already included at no extra charge. Pellet flange optionally on the left or right. 

                    • The choice is always yours with the therminator II. If you decide after a few years that you no longer want to heat with log wood, you can simply expand the boiler for automated pellet operation. This gives you a full pellet boiler with efficiencies of up to 95.4 %.

                    A picture is worth a thousand words
                    Schematic diagram of therminator II touch 27
                    1. Lambda sensor
                    2. Air-cooled crucible made of cast chrome steel
                    3. Induced Draft fan
                    4. Automatic heat exchanger cleaning system
                    5. Automatic ignition by hot air fan
                    6. Filling door
                    7. Safety temperature limiter (STL)
                    8. Stainless steel filling chamber
                    9. Generous ash chamber lined with fireclay
                    10. Casing
                    11. Control system ecomanager-touch
                    12. Primary air control
                    13. Secondary air control with servomotor
                    14. Backup battery
                    15. Delivered ready to use