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SHT TDA Thermodual

Introducing the most advanced biomass boiler on the market

The TDA Thermodual boiler for wood pellets and wood logs provides flexibility in fuel choice. Burning wood logs and pellets with only one device has not been effective until now. The TDA Thermodual with automatic continuous operation for both fuels makes this possible.

Standard Features

  • Biomass boiler able to run on either wood log or wood pellet
  • Fully-automatic ignition for pellets and logs
  • Automatic switching between wood log and wood pellets
  • Multiple pellet feed solutions
  • Automatic self-cleaning grate and heat exchanger
  • Intelligent Lambda controlled combustion achieving 93% efficiency
  • MCS approved for RHI

Low Energy Ignition

The pellets are ignited using an electric ceramic heating element. Air is heated by being blown over the element and onto the pellets in the combustion chamber which ignite within a couple of minutes. If the fuel chamber has been filled with logs, the pellet automatically ignites the logs. When the logs have burnt down completely, the device reverts back to pellet combustion automatically.

Patented Combustion and Grate Cleaning

The stainless steel tilting grate ensure regular, automatic de-clinkering and ash removal as well as providing for the highest operating efficiency and ideal comfort. The very special design of the combination combustion chamber allows a change in fuel type without the need for a manual switch over - this is the magic of intelligent fire.

Multi Function Safety Package

The entire heating system is provided with 8 comprehensive safety systems. The multi function safety package with sevenfold active control (MFS 7) permanently checks the entire heating process and responds immediately to any deviations which might occur.

Intelligent Control System

Not only does the on board microprocessor control switching between fuels but also has the ability to run two independent heaing circuits and a hot water circuit, complete with weather compensation. The controller also includes integrated accumulator management to prevent unnecessary startup and cooling phases.

Multiple Pellet Storage Solutions

The TDA Thermodual comes with a variety of pellet storage options. The 200 litre pellet hopper is suitable for those wishing to utilize wood logs as their primary fuel choice, whilst the Visionconvey suction system and Vario auger system allow up to a year between refilling your pellet store.


Ex. VAT £9705.00
Inc. VAT £11646.00


Overview


  TDA 15 TDA 25 TDA 30 TDA 40
Nominal output 14.9kW
25.0kW
28.0kW
38.0kW
Capacity range 4.5-15.0kW 7.5-25.0kW 8.4-28.0kW 11.4-38.0kW
Fuel wood pellets EN Plus (Diameter 6mm, Ash <0.7%, Moisture <10%, Fines <1%)
Fuel wood logs 330mm Length <20% Moisture 500mm Length <20% Moisture
Boiler size 1593 x 932 x 1202mm 1593 x 893 x 1332
Boiler weight c.750kg
Efficiency up to 93.5%
Fuel chamber volume 130 litres 175 litres
Flue outlet 150mm
Flue gas temp. 140-160 160-180
Chimney draught 5-20 Pa

Boiler volume

120 litres 150 litres
Pellet ignition Automatically via ceramic ignitor

Log ignition

Automatically via pellet flame
Heat exchanger cleaning Manual Automatic
Minimum accumulator size 2000 litres 2500 litres
Average kW per wood log firing - softwood 149 kW 201 kW
Average kW per wood log firing - hardwood 190 kW 254 kW

Gallery

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