Centrometal Bio-Tec 25 Manual técnico - Página 4

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In general, characteristics

1.0. IN GENERAL

Steel boilers Bio-Tec, with an rated thermal output 25, 35 and 45 kW are

constructed for wood firing and aimed for heating of small and middle sized

premises. Due to the applied wood gasification principle, wood is totally burned.

Widely sized combustion chamber enables the firing with wood pieces of 500 mm.

One filling period lasts min. 4 hours, with the possibility of prolonging it to the whole

day, if the heating requirement is decreased. Boiler has the option of maintaining

the glow up to 12 hours, making unnecessary to perform firing process in case you

want to continue firing. The functioning of the boiler is steered by the built-in digital

regulation system. The boiler must be connected to the central heating system

through an appropriate number of the CAS water accumulators.

1.1.

CHARACTERISTICS OF THE Bio-Tec BOILER

The Bio-Tec boiler is produced in compliance with the EN 303-5 norm, which

enables the required level of functioning and minimal environmental pollution,

through the firing with wood.

The boiler is aimed for firing with wood.

flue gases conduction and their additional burning out, enables its high efficiency,

which makes this product extremely economical. Widely sized combustion

chamber door enables firing with large pieces of wood and a very simple and easy

cleaning and maintenance. One filling period lasts minimum 4 hours, depending on

the nominal thermal 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 12 hours, during which period it is not necessary to repeat the

firing process. The flue gases leading system is good optimized. The boiler must be

connected to the central heating system through the CAS water accumulators. An

integrated digital regulation system steers the functioning of the boiler, steers the

circulation pump integrated inside the primary heating circuit (boiler-water

accumulator), steers the circulation pump in the heating circuit (water accumulator-

radiators) and steers the sanitary water pump. The steering system leads the

information related to the necessity of the additional fuel filling towards the

regulation and the room thermostat. The Bio-Tec boiler is very simple to handle,

while the built-in regulation enables its reliable functioning. Through the

compulsory connection of the CAS water accumulator to the heating system, the

optimal functioning of the boiler is achieved and the produced heat is saved, which

enables consumption exactly according to the need. The firing process can be

implemented in suitable period of the day. If the outdoor temperature is not very low,

the room heating and the sanitary hot water production can be extended to the

period of few days. The boiler is delivered together with thermal insulation, covered

by a metal casing and it is pre-wired.

Image 11. - Cleaning of Bio-Tec 35/45

Screw

The system of

Technical manual Bio-Tec

Detail A

ZP -

Lever for cleaning of flue gas tubes

VT -

Fan

DO -

Bottom openings for cleaning of

VP -

Fan blade

flue gas chamber

NV -

Fan flange holder

SV -

Middle boiler door

PD -

Top back casing cover

BL -

Lateral sides of the bottom fire place

VD -

Lid of opening forflue gas

GO -

Top opening for cleaning of

box cleaning

flue gas tubes

DN -

Turbulator holder support

KV -

Fan box

VI -

Screw and nut M8

DT - Turbulator support

DC -

Flue chamber with flue gas tubes

and turbulators

OS -

Shaft

Technical manual Bio-Tec

Cleaning and mainternance of the boiler

Fan flange

OS -

Shaft

TU - Turbulator

5 pcs. for Bio-Tec 35,

5 pcs. for Bio-Tec 45)

GS -

Poker for cleaning of bottom refractory

stone (chamotte)

CC -

Brush for cleaning of flue gas tubes

GG -

Poker for cleaning of the top chamber

and flue gas passage

ZO - Wire fuse f3 DIN 11024

Screw M8

(4 pcs.)

Screw M8

(2 pcs.)