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GEYSIR WOOD 5S
Multi-fuel Wood Pellet Boiler
The Geysir Wood 5S boiler represents a true revolution in the wood-pellet boiler market.
Capable of automatically switching from one fuel to another while maintaining constant power output. The user can opt for wood-only, pellet-only or combined mode operation. Equipped with a single, large combustion chamber with bottom loading, it can burn any type of wood, pellets and multi-fuel at the highest levels of efficiency. Characterised by very high performance and very low emission values. Compliant with the most advanced European standards in the sector.
Technical Data
kW 34,3
- Power (fluid output): kW 31.6
- Weight: 450 kg
- Domestic hot water production l/h (real) with Δt 35°C: 700
- Hourly consumption: Kg/h min 2/max 7 with pellets max 8 with wood
- Tank capacity: approx. 80 kg
- Yield (real): 92%.
- Domestic water production also in summer mode (standard)
- Fuel: wood, pellets and multi-fuel
GEYSIR WOOD 5S Elements
1 – Smoke extractor
2 – Polycombustible containment tank (approx. 80 kg)
3 – Three-phase gearmotor for multi-fuel supply
4 – Combustion air fan
5 – Automatic ignition system (spark plug + blower)
6 – Ash collection tray
7 – Heat exchanger with thermolytic fins (high efficiency 92%)
8 – Serpentine for rapid domestic hot water production and safety with connection to the thermal discharge valve
9 – Cast-iron burner (multi-fuel supply from below)
10 – Star valve (mechanical backfire safety)
11 – Double jump feeding system
Hydraulic information
1 – Caution: Even if the flue pipe has a diameter of 100 mm use a flue pipe with an internal diameter greater than or equal to 150 mm. To make a suitable connection to the flue pipe to reduce any noise during the flue gas outlet phase, use flue fittings of 100 -120 and 120-150.
2 – Vent valve
3 – Flow switch for DHW
4 – ISPESL safety valve outlet 2.5 bar Ø 26 mm
5 – Safety valve outlet 2.5 bar Ø 21 mm
6 – Expansion valve 10 litres
7 – System delivery Ø 1″ M
8 – DHW outlet Ø 1/2″ M
9 – Thermal discharge valve outlet Ø 3/4″ M
10 – Domestic hot water/mains water inlet Ø 1/2″ M
11 – Primary system high-efficiency circulator
12 – Plant return Ø 1″ M
13 – High efficiency circulator with anti-condensation function and rapid DHW production
14 – Boiler drain cock
ALL-ITALIAN TECHNOLOGY AND FUNCTIONALITY
GEYSIR 'BURNS' PLANT BIOMASS OF ANY KIND WITH INNOVATIVE BOTTOM LOADING SYSTEM
SELF-CLEANING
THE GEYSIR WOOD EXCHANGER
ALL-ITALIAN TECHNOLOGY AND FUNCTIONALITY
The Geysir Wood 5S can burn wood, pellets, polycomb or a combination of the two without any problems.
Once the boiler has been prepared for ignition (by placing wood in the combustion chamber and pellets/polycomb fuel in the hopper) the glow plug with its blower causes the pellets/polycomb fuel to ignite, which in turn triggers the ignition of the wood. When the wood reaches a suitable combustion point, the electronic control stops the supply of pellets/polycomb fuel and the boiler will run exclusively on wood. When exhausted, the boiler automatically restarts on pellets/polycomb fuel. If the system no longer requires energy, the Geysir goes into stand-by mode, reducing wood combustion to a minimum by automatically closing the combustion air inlet. If the boiler is running exclusively on pellets/polycomb fuel, wood can be loaded normally through the hatch. When the hatch is opened, an actuator opens the flue gas by-pass damper causing the flue gas to flow directly into the chimney, increasing the flow rate of the extractor. This prevents the abnormal exit of fumes into the technical room. The same principle applies in the case of pellet/poly-fuel operation.
Once the boiler has been prepared for ignition (by placing wood in the combustion chamber and pellets/polycomb fuel in the hopper) the glow plug with its blower causes the pellets/polycomb fuel to ignite, which in turn triggers the ignition of the wood. When the wood reaches a suitable combustion point, the electronic control stops the supply of pellets/polycomb fuel and the boiler will run exclusively on wood. When exhausted, the boiler automatically restarts on pellets/polycomb fuel. If the system no longer requires energy, the Geysir goes into stand-by mode, reducing wood combustion to a minimum by automatically closing the combustion air inlet. If the boiler is running exclusively on pellets/polycomb fuel, wood can be loaded normally through the hatch. When the hatch is opened, an actuator opens the flue gas by-pass damper causing the flue gas to flow directly into the chimney, increasing the flow rate of the extractor. This prevents the abnormal exit of fumes into the technical room. The same principle applies in the case of pellet/poly-fuel operation.
GEYSIR 'BURNS' PLANT BIOMASS OF ANY KIND WITH INNOVATIVE BOTTOM LOADING SYSTEM
The capacious tank is connected by means of a double-stage auger plus star valve to the circular cast-iron burner. The advanced bottom-loading technology allows multiple advantages:
– no burner cleaning;
– clean, white flame and always the right amount of oxygen;
– reduction in fuel used. When the boiler goes into stand-by, it does not use any more fuel for re-ignition, but exploits the embers effect to restart;
– possibility of using pellets and biomasses of any type and quality. The burner equipped with a removable ring, once removed, is able to burn even more difficult fuels as the surface is larger with additional holes for combustion.
SELF-CLEANING
Geysir Wood’s heat exchanger is self-cleaning due to the thermolytic surfaces it contains, so only ash and fine dust are deposited, which only need to be removed once a year for cleaning and extraordinary maintenance.
THE GEYSIR WOOD EXCHANGER
Designed and dimensioned with fluid dynamics software, the heat exchanger (Famar patent) consists of fins with 24 smoke passages. Fully automated: An actuator opens or closes the bypass dampers modifying the smoke passage in the flue or dry chamber heat exchanger.
Specially developed and designed with narrow and long passages, with fins nailed in the centre to ensure that the internal walls are not overheated when the smoke passes through. The incandescence of the internal contact surfaces burns the unburned substances carried by the flue gases, transforming them into ash that remains on the internal surfaces due to the cyclone effect, as well as recovering additional energy (higher efficiency) that is transferred to the water.
Discover quality details
- Available in 34.3 kW version.
- High efficiency in excess of 90 per cent with both wood and pellets.
- Heat exchanger consisting of fins with 24 dry chamber smoke passages, which allows unburned unburned fuel to be burnt, avoiding the formation of creosote that would clog the passages and reduce heat exchange efficiency.
- Automatic fuel switching and the ability to maintain a constant temperature in the combustion chamber regardless of the fuel used.
- Large combustion chamber, 176 litres volume.
- Innovative ignition for difficult fuel ignitions with glow plugs and brushless fan.
- Automatic combustion air management for both wood and pellets.
- Valvola gestione fumi automatica ed estrazione forzata degli stessi.
- Low maintenance and servicing, large ash drawer.
- Equipped with everything needed for hydraulic interface already with closed vessel as standard with double safety valve and thermal discharge valve.
- Fuel loading from below with innovative star valve.
- Domestic hot water production also in summer mode (standard)
- Touch display for programming and possibility of boiler control via GSM/GPRS module or WI-FI with dedicated App (on request)
Conto Termico and Ecobonus
Check the thermal account and Ecobonus incentives for our products.
Learn more about the GEYSIR WOOD 5S
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