5th class pellet boiler


5th class pellet boiler
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Pellet boiler ONE BASIC is a modern compact boiler with small dimensions. Weather automatics with Lambda probe and HT-Logic III autoregulation for smooth and user-friendly operation. It is equipped with a system for automatic cleaning of the exchanger, burner with automatic cleaning and a return protection pump.
The boiler structure is based on a vertical flame tube heat exchanger with a automatic exchanger cleaning system. Burning is performed by a self-cleaning, automatic drop-in burner with an openable floor, equipped with an igniter, a photoelement and a thermocouple. The boiler is equipped with an exhaust fan which aerates the combustion process and improves the flue draught.
The boiler and heating system is controlled by HT – Tronik 900 weather controller which controls the operation of 4 pumps and a mixing valve actuator. The automatics can be expanded by connecting additional modules. The controller is compatible with a remote control panel, 2 room thermostats and an internet module. It is equipped with HT-Logic III autocontrol which controls the operation of the burner, selects the operating parameters and modulates power depending on the boiler temperature.
Operates in iPell R combustion optimisation standard with HT-tronic Lambda module. The optimisation system with a probe guarantees the highest combustion quality.
The boiler is protected by a return protection pump with temperature sensor. It is suitable for fitting in a closed system in accordance with applicable legislation.
Rated power | kW | 8 | 11 | 15 | 20 |
Power range | kW | 2,4-8 | 2,4-11 | 4,5-15 | 6-20 |
Efficiency | % | 93,2 | 93,0 | 93,0 | 93,0 |
Dusts |
mg/m3 | 18 | 18 | 18 | 18 |
Max. working temperature | oC | 85 | 85 | 85 | 85 |
Water capacity | L | 54 | 56 | 83 | 85 |
Maximum operating pressure | Bar | 2 | 2 | 2 | 2 |
Min. flue draught | Pa | 10 | 12 | 14 | 16 |
Technological connection | “ | GZ 1 | GZ 1 | GZ 1 | GZ 1 |
Flue connection | mm | 120 | 120 | 120 | 120 |
Boiler weight | kg | 250 | 255 | 350 | 355 |
Tank volume | dm3 | 75 | 75 | 135 | 135 |
Volume of fuel tank with extension | dm3 | 150 | 150 | 190 | 190 |
Volume of fuel tank with side tank |
dm3 | 231 | 231 | 291 | 291 |
Boiler width | cm | 57 | 57 | 70 | 70 |
Boiler depth | cm | 73 | 73 | 78 | 78 |
Body height | cm | 133 | 133 | 147 | 147 |
Height of body with extension | cm | 175 | 175 | 175 | 175 |
Height of body with side tank |
cm | 150 | 150 | 150 | 150 |
Height to flue centre | cm | 124 | 124 | 139 | 139 |
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Boiler pump
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CH pump
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DHW pump
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Mixing valve pump
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Mixing valve
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Weather-compensated control
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Thermostat
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HT Logic II
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Igniter
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Alarm
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WWW module

Automation extension modules
- Valve module,
- Valve pump,
- Mixing valve,
- Weather-compensated control,
- Thermostat,
- Buffer pump,
- Circulation pump,
- Wired remote control panel with room thermostat,
- Wireless remote control panel with room thermostat,
- Room thermostat – wired,
- Room thermostat, wireless with weekly programme,
- Room thermostat with a weekly programme – directly with a wireless APP mobile application,
- Internet module – operated via a web browser and mobile application,