1.1. CHARACTERSTICS OF THE BioTec Plus BOILER
1.0. GENERAL
The BioTec Plus boiler is produced in compliance with the
EN 303-5
:2012
norm, which enables the
required level of functioning and minimal environmental pollution, through the firing with wood logs
and wood pellets. The system of flue gases conduction and their additional burning out, enables its
high efficiency, which makes this product extremely economical.
Widely sized left side fuel loading door enables firing with large pieces of wood logs and very simple
and easy cleaning and maintenance. The wood gasification principle enables a complete fuel burning
so maintenance of left part of the boiler is set to minimum. One filling of logs lasts up to 4 hours,
depend about nominal heat output. There is also a possibility of prolonging the firing process to the
entire day, if the heating requirement is decreased. The boiler can keep the glow up to
8
hours
(depends on the quality of the wood), during which period it is not necessary to repeat the start firing
process.
In the right side of the boiler is installed the burner for wood pellet firing with the automatic firing and
automatic self-cleaning function which enables the reliable operation also with the low quality wood
pellets.
The boiler must be connected to the central heating system with return flow protection and with
properly sized water accumulation
(buffer)
tank(s).
Boiler operation is managed with inbuilt boiler control unit using two boiler sensors, sensor in
combustion chamber, flue gas sensor and lambda probe, motors for primary and secondary air intake
for combustion and modulating underpressure fan on flue gases outlet from boiler. Boiler control unit
can run return flow protection, buffer tank management, one heating circuit with circulation pump and
3-way mixing valve with actuator steered by out
door
temperature sensor and room corrector and
DHW water heater tank pump.
With boiler
BioTec Plus
it is easy to handle, integrated control unit with color touch screen assures
reliable and simple boiler operation. With installed accumulation (buffer) tank excess of produced
heat is accumulated into the tank and can be consumed when needed. Because of accumulation
tank, firing of the wood can be planned in a reasonable time, and in the case of mild outside
temperature, space heating and DHW heating without firing boiler is also possible for several days, or
just start pellet side of the boiler.
The boiler is delivered together with thermal insulation, covered by a metal casing on two wood
pallets.
Steel hot water boiler
BioTec Plus
has two separate combustion chambers inside the common boiler
water chamber. Boilers
BioTec Plus
, nominal heat output 25, 35 and 45 kW, are designed for wood log
firing in left part and wood pellet firing in right part of the boiler. The wood gasification principle enables a
complete fuel burning in left part of the boiler. Logs up to 550 mm long can be inserted into the large
combustion chamber. The burning period of a single fill of logs is up to 4 hours, depend about nominal
heat output. The boiler can keep the glow even
8
hours, which means that in this period it is not
necessary to fire up the boiler in order to keep the heating process. In the right side of the boiler is
installed the burner for wood pellet firing with the automatic firing and automatic self-cleaning function
which enables the reliable operation also with the low quality wood pellets. Boiler operation is controlled
with inbuilt boiler control unit using two boiler sensors, sensor in combustion chamber, flue gas sensor
and lambda probe, motors for primary and secondary air for combustion and modulating underpressure
fan on flue gases outlet from boiler. Boiler must be connected to one adequately designed chimney and
to the central heating system with return flow protection and adequately designed water accumulation
(buffer)
tank (CAS).
General, characteristics
Technical instructions
BioTec Plus
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