CHT Spectra 25 매뉴얼 및 설치 매뉴얼 - 페이지 7

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3.5) SPECTRA principle of working:

During burning in fireplace flue gases wash fireplace

walls and exchanger tubular passing on warmth to

heating factor, and they hit to chimney then.

The fire-clay contributions being in combustion space

after warming by a long term hold warmth what as well

as allows to more precise burning down in washing it

flue gases the carbon monoxide it makes easier lighting

the next parties of fuel.

The natural chimney draught which secures the corrects

work of device is controllable by flue gases throttle and

air choke. Shutting the throttles causes the decrease

and the opening the enlargement of chimney draught

strength. If we will deliver more air the combustion will

be more intensive.

Proper setting these throttles will be large influence on

obtainment suitable thermal comfort and use fireplace

4) Using SPECTRA

4.1) Fuel:

4.1.1) Kinds of fuels.

Fireplace be corresponsive to combustion as well as briquettes and woods -

They should pose the leaflike trees' chunks of wood of large hardness basic

fuel, such as: oak, beech, acacia, ash whether hornbeam. They can be this also

softer woods from: birch whether poplar.

We can applying briquettes about low moisture and contents of ash also

effective combustion. It should however remember that their heat value is

higher from leaflike trees' logs loading to combustion space should be smaller.

We can as supplement substitutionally apply coniferae's chunks of wood.

However we in this case have to take under attention quicker the overgrowing

the internal walls of fireplace as well as window panel, and what cleaning for

this goes more frequent.

4.1.2) Humidity, sizes.

Recommended humidity of fuel is about 20%. This is important with regard on

heat value of wood which changes near change of humidity fundamentally.

Near humidity on level 20% heat value this about 12,5 MJ / kg however near

humidity 50% already only about 7,5 MJ / kg.

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