Brochure_SP_Dual_compact
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Firewood and pellet boiler

Heating with firewood and pellets For more than 50 years, Froling has specialised in efficiently using wood as a source of energy. Today the name Froling represents modern biomass heating technology. Froling firewood, wood chip and pellet boilers are successfully in operation all over Europe. All of our products are manufactured in our factories in Austria and Germany, and our extensive service network ensures that we can handle all inquires quickly. The fuels: firewood (up to 56 cm) and pellets Wood is a home-grown and environmentally friendly fuel, that is highly sustainable. It is CO2...

The SP Dual compact firewood and pellet boiler combines two perfect systems - it meets all the requirements for firewood and pellet fuels in two separate combustion chambers. Highly efficient and convenient - the SP Dual compact ensures low emissions and energy costs. The S1 Turbo F with pellet flange is the ideal solution for people who are currently only burning firewood With the S1 Turbo F with pellet flange, the pellet unit can be retrofitted later at any time. The SP Dual compact has important advantages even before it is put into the boiler room. It is so compact that installing it is...

Wood gasifier technology firewood operation KET MAR ION! VAT TH INNO PIPE WI GAS FLUE 130 mm Ø 1 Speed-regulated, low-noise induced draught fan for maximum ease of use. WOS system (Efficiency Optimisation System) as standard, for high efficiency and user-friendly cleaning from outside. Optional with automatic WOS-Technik. Large fuel loading chamber for logs up to 56 cm in length guarantees longer periods between refilling. Top quality insulation to minimise radiant heat loss. Carbonisation gas extraction system prevents smoke escaping during reloading. Cladding to protect the inner wall of...

SP Dual compact pellet mode Lambdatronic S 3200 control with 7” touch display and innovative bus technology Double slide valve system for maximum burn back protection. Spacious pellet container with stoker screw and external suction module. Water-cooled pellet flange with downward pointing design for safe operation. High-quality water-cooled pellet burner with sliding grate for automatic ash removal and cleaning. Practical, convenient ashcan for simple, dust-free emptying and long cleaning intervals. Top quality insulation to minimise radiant heat loss.

Large fuel loading chamber for half-metre pieces (up to 56 cm) with hot cladding Advantages: • Easy loading • Long combustion time • Long lifespan With 15 or 20 kW outputs, the SP Dual compact allows burning of firewood up to a length of 56 cm. Despite its compact design, the SP Dual compact has long reloading intervals and is already suitable for storage tank sizes from 825 litres. The aprons (hot cladding) protect the interior walls of the boiler, guaranteeing a long service life. pointing pellet flange Advantages: • Safe operation • Pellet unit can be retrofitted at any time The downward...

Feature: Automatic ignition and continued operation Advantages: • No refitting required • Automatic change between firewood and pellets The firewood can be ignited automatically using the pellet burner. The two separate combustion chambers make it possible to change flexibly between firewood and pellets. If the firewood has burnt up and is not replenished within the time you specify (0-24 h), heating is continued automatically if heat is required. If you open the loading chamber doors and insert more firewood, the pellet operation is interrupted and the SP Dual compact switches...

Feature: Speed-regulated induced draught fan Advantages: • Maximum ease of use • Smooth boiler start • Constant stabilisation during combustion The speed-controlled induced draught fan is a standard component of the unit, which further enhances the reliability of the SD Dual compact. This means that the boiler can be started easily even if the chimney is cold. The speed regulation device in the induced draught fan stabilises combustion throughout the heating process and adjusts the output according to requirements. Feature: unique air duct system Advantages: • Regulated supply of air...

SP Dual compact H IONAL WIT NEW! OPT IK OS-TECHN AUTOM. W Feature: Advantages: WOS system as standard • Even more efficient • Easy cleaning from outside • Fuel economy We never compromise on convenience. The WOS (Efficiency Optimisation System), which comes as standard on the SP Dual compact, consists of special turbulators, which are placed in the heat exchanger pipes. The lever arm mechanism ensures easy cleaning of the heating surfaces from the outside. An additional benefit of this mechanism is that it ensures higher efficiency and fuel savings. Automatic ignition Advantages: • quiet...

Feed systems RS 4 / RS 8 pellet suction system easy to assemble no sloping slides necessary in bunker more store space (30%) automatic switching between the probes automatic backwash maintenance-free system The NEW RS 4 / RS 8 pellet suction system creates more space in your store space. Thanks to the fact that the suction probes are flexible in terms of location, it is possible to make optimal use of every room shape. Rule of thumb: Plan for one suction probe for every 1 m² pellet storage area. It automatically selects 4 or 8 suction probes in specified cycles, it is controlled by the...

Suction screw system The bag silo system is a flexible, simple way of storing pellets. Available in 9 different footprints (from 1.5 m x 1.25 m to 2.9 m x 2.9 m) with a capacity of between 1.6 and 7.4 tonnes, depending on the bulk density. There are other advantages to using a bag silo. It is easy to assemble and dustproof. You can also fit rainproof and sunproof covers and install the silo outside. The Froling screw suction system is the ideal solution for rectangular rooms with front-end removal. The deep and horizontal position of the discharge screw means the space in the room is used...