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H4EKO-D
1. INTRODUCTION
Dear customer,
We greatly appreciate the fact that you have chosen the product from our product range and have become one of our customers.
We wish you real pleasure with our product. We hope our product will serve you for a long time. All employees of our company
contribute to this. Please read the operating instructions thoroughly and, if necessary, do not hesitate to ask us, we will be happy
to advise you on the operation of the boiler.
2. BOILER CHARACTERISTIC
The H4xx EKO-D steel hot-water boiler of the H4xx EKO-D series is designed for floor and central heating of family houses or
suitable production plants with a maximum hydrostatic water height of 20 m. The H4xx EKO-D boiler is designed for combustion
of solid fuels, ie piece wood. Use of other substances or materials is not permitted. The boiler must be connected to the chimney
corresponding to the boiler output and with the required minimum draft according to the user manual.
For proper boiler operation, in addition to expert installation, care must be taken to ensure that the boiler is properly serviced
and regularly cleaned, as described below in this manual. This boiler has been certified by the Engineering Test Institute in Brno
according to ČSN EN 303-5 and meets the strictest criteria for solid fuel combustion as it is classified in the highest emission class
and also meets the Ecodesign standard.
3. TECHNICAL DESCRIBTION
H4xx EKO-D boilers are gasification boilers designed for combustion of wood. In the filling chamber of the boiler is a refractory
nozzle that transmits the flame to the back of the boiler, to the heat exchanger, and then to the chimney. Exhaust fan is located
at the outlet of the boiler flue, ensuring ideal combustion under almost all conditions. This is controlled by a boiler control unit
located in its front section.
The combustion air supply is provided by the primary flaps (on the left and right sides of the boiler) and the secondary flap (front
of the boiler). Primary flaps ensure the correct boiler output, while the secondary flap regulates the residual oxygen content in
the boiler to optimize combustion with the lowest carbon dioxide and nitric oxide emissions.
On the top of the boiler you will find a filling and a cleaning door. Make sure that they are tightly closed during boiler operation.
When combustion of wood in gasification boilers generates a large amount of smoke, which accumulates in the filling chamber
under the filling door during the combustion process and gradually leaves through the nozzle into the heat exchanger. Do not
open any of the doors during the burning process until there is only a small burning layer of remaining wood in the boiler, to which
you can then re-fill the new fuel. More about heating in chapters "Ignition", "Operation", "Fuel loading", "Extinction".
On the side of the boiler you will find a pull rod that controls the exhaust flap to ensure that the smoke is drawn from the filling
chamber so that no smoke escapes into the room when the door is opened. Do not open the door during the burning process, it
is better to wait until the wood is burned on the residual hot layer that does not smoke. Then simply open the door and add new
fuel. For more information, see "Fuel loading".
The side walls of the filling chamber are fitted with cover plates to protect the boiler walls from harmful substances that arise
during combustion. These cover sheets are removable, but they must always be placed in the boiler during the burning.
Under the refractory nozzle is a combustion chamber. This is where the flame from the filling chamber goes down where the
entire combustion process is completed. The combustion chamber is lined with fireclay bricks that capture residual amount of
dust particles that would otherwise end up in the air. You can access the combustion chamber by opening the lower door. This
way, you will also sweep the remaining ash out of the boiler.
All doors must be closed during boiler operation. If you leave any of the doors unsealed, flue gas leaks into the room,
which can cause damage to person or property. Always make sure before the heating season that the door is properly
closed and that it seals properly.
Behind the combustion chamber there is a plate exchanger of the boiler, fitted with turbulators to reduce the chimney
temperature and the amount of dust particles in the air. The boiler is very simple in its construction, but still meets the strictest
emission standards.
3
User manual
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