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T4Wood chip boiler with condensing heat exchanger and controls

Heating with wood chips 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: wood chips and pellets Wood chips are an environmentally friendly fuel, unaffected by crises and fluctuations. Scrap wood from...

T4 Multiple award-winning Particular attention was paid to energy efficiency, durability and stability during the development of the T4. This priority was clearly confirmed when the boiler was awarded with the Austrian Ecolabel (for the wood chips and pellets) . The T4 consumes little electricity during operation, keeping the operating costs down. The new Froling T4 User-friendly, compact, economical and safe: the new T4 from Froling meets all your needs. This boiler can efficiently burn both wood chips and pellets due to its intelligent fully-automatic system. With the silicon carbide...

Robust technology with intelligent features The new Froling T4 with special benefits: 1 Durable high-temperature silicon carbide combustion chamber for maximum shelf life and effective combustion with a high level of efficiency and very low emissions. Multi-part combustion grate consisting of a fixed insertion zone and the automatic tipping grate for cleaning away ash and foreign bodies. Automatic ash removal from the combustion chamber and the heat exchanger to the large mobile ash container using two separate ash screws (and a communal drive). Precise primary and secondary air control for...

A well-designed inside Feature: easy to assemble on site Advantages: • quick assembly • stoker unit on the left or right as desired. The T4 is supplied assembled and wired, you just need to fit the stoker unit and connect the chosen discharge system to the rotary valve. This saves time and money. Thanks to the well-planned layout of the units and its compact design, the T4 can also be used in very confined spaces. You can select a right or left-hand stoker unit. easy to maintain combustion chamber Advantages: • pre-assembled unit • easy to service and maintain The firebricks are made of...

T4 High-temperature silicon carbide combustion chamber and perfect combustion control Advantages: • optimal emission values • economical fuel consumption • adapts automatically to varying fuel qualities The firebricks are made entirely of high-quality fireproof material (silicon carbide). The hot combustion zone ensures optimal combustion and very low emissions. Patented firebrick! The patented shaping of the firebrick stones gives the air supply in the combustion chamber particularly good airtightness without the need to use expensive wearing seals. The new shape of the stones also...

A well-designed inside Feature: speed-regulated induced draught fan Advantages: • maximum ease of use • constant stabilisation of combustion • quiet and energy-saving operation The speed-regulated induced draught fan, which comes as standard, ensures the exact air quantity and constant underpressure throughout combustion. As the induced draught fan is speed-regulated, it stabilises combustion throughout and adjusts the output to requirements. The induced draught fan is also very quiet and energy-saving. flue gas recirculation (FGR) (optional) Advantages: • ideal combustion conditions •...

ash discharge system with separate ash screws Advantages: • optimal emptying • no risk of air leakage thanks to two-chamber ash container Ash is automatically emptied from the combustion chamber and the heat exchanger into the ash container using two separate ash screws, which are powered by a communal geared motor. This ensures a clear separation and absolute tightness between the combustion chamber and the heat exchanger and eliminates the risk of air leaks. Advantages: • little cleaning required • asy to empty ash container (available in three e sizes: 36 l, 54 l, 72 l) • optional ash...

Intelligent upgrade Option: ESPF electrostatic precipitator Froling’s fine particulate air filter is the first electrostatic precipitator on the market especially designed for Froling boilers. Thanks to its compact design and easy assembly, it is even perfect for small boiler rooms. Thanks to its high separation rates of up to 85%, the fine particulate air filter guarantees safe compliance with future flue gas standards. Froling’s fine particulate air filter operates on the electrostatic principle. The flue gas from the boiler flows together with the fine dust particles (1) produced during...

T4 Unique: Condensing boiler technology for wood chip boilers s y rate cienc .7% Effi 105 up to The Froling T4 (24 and 50 kW) is the only wood chip boiler in the world, which is also available with innovative condensing boiler technology (optional). The flue gas contains energy, which escapes unused up the chimney with conventional solutions, but an additional heat exchanger positioned on the back of the boiler makes use of it for the heating system. This increases the boiler efficiency to over 105 percent (Hu), an unprecedented level for wood chip boilers. Froling won the innovation prize...

Fuel transport 1 Robust agitator head. 2 Maintenance-free agitator gearbox. 3 Powerful spring piles for even fuel transport (for wood chips up to P31S / G50) 4 Trough channel and feed screw with progressive screw blade. 5 Ball joint for continuously adjustable inclination. 6 Patented twin-chamber rotary valve for top burn back protection. 7 Sturdy stoker screw for reliable fuel feed with automatic turn control. 8 Energy-saving, powerful spur gears. 9 Temperature monitoring device in the fuel store (only required in Austria). 10 Easy access to the shear edge through an accessible opening. 11...