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Jer Havalandırma Klima ve Mühendislik

We have compiled the answers to the most frequently asked questions for you.

Natural gas chimneys are cleaned. Natural gas fired chimneys should be cleaned every 2 years.

In all negative pressure flue systems, there must be a Covered Module under the T Module.

Regardless of the type of fuel, it has water in its nature; Vomiting in the construction chimney indicates that the flue gas temperature decreases to the condensation level and penetrates into the construction material. If there is a metal chimney inside the existing construction chimney or shaft and still vomiting occurs, there is a problem with your chimney; your chimney may be displaced or not at all, this threatens not only you but also all building occupants. It is necessary to contact the expert chimney company without wasting time.

It means that there is an error in the design of the chimney. The cross-section of the chimney, the height of the chimney, its losses, the position of the chimney to the roof ridge and neighboring buildings should be checked by expert chimneymen.

Is there a chimney without a hat? Since the desired amount of traction cannot be achieved in chimneys with a vertical height of less than 10.00 m, the mouths of the chimneys are made in a conical shape in order to correct the draft.

In chimney systems, thanks to a closed module (intervention cover) that can be easily opened and closed just below the T-Module, the inside of the chimney can be checked, and the dirt accumulated in the chimney and solid objects falling into it can be easily cleaned.

After determining the noise emitted from the chimney, the noise level and the noise level, the noise problem is eliminated by using a properly designed chimney silencer.

It is not possible to understand this with the naked eye. The most accurate method is to send the material for analysis, practically by performing a solution test, it can be understood whether there is Molybdenum in the material. By holding a magnet, it can also be determined whether the material is ferretic or not?

The chimney must pass at least 40 cm from the roof ridge or at least 1.00m parallel to the roof. The chimney must be at least 2.00m away from the neighboring tall buildings, otherwise the chimney must pass the ridge of the neighboring building.

In KASKAD chimney systems, a damper made of stainless steel or polypropylene plastic and designed for this purpose should be used as Backflow Safety Valve. Bimetal flaps or similar devices that do not serve this purpose and are a superstitious practice should not be used.

In short-connected heating systems, it is sufficient to put a cover of suitable size under the T-module. In chimneys above 15.00 m and/or in horizontal chimneys with too many horizontal and elbows, covers should be placed in places that will facilitate control and cleaning.

AISI 316L quality stainless steel can easily resist atmospheric corrosion for 10 years without any problems; If it is well maintained, the life of the chimney can exceed 20 years.

The invention called the weather vane, which is attached to the top of the chimney, turns with the increase of the force of the wind, that is, the pressure differences in the atmosphere increase. If there is wind in outside atmospheric conditions, normally the draft in your chimney will be higher than it is, in this case, there is no need for a weather vane. Instead of being beneficial in the chimneys used in the heating systems, the wind vane creates resistance (1,6) and makes the chimney draft difficult. The flue gases coming out of the heating system also disrupt the rotation mechanism of the windmill, causing it to stop, thus increasing the chimney resistance. We recommend using the windmill in bathroom ventilation shafts.

If a rigid chimney can be used, it should not be preferred to use a flex chimney, regardless of the type of fuel, except for mandatory situations. In critical places where rigid chimneys cannot be used, Flex chimneys made of AISI 316L material can be preferred in accordance with the two-layer fuel type.

A systematic chimney that is designed, manufactured and applied in accordance with its technique provides energy savings because it eliminates chimney losses; Energy savings between 10% and 30% are achieved by using various chimney equipment that eliminates the losses caused by the chimney during standby, and regulates the draft in strong winds blowing from the northeastern and southwestern directions of the heating systems operating with the stop-start principle.

Since fireplaces are devices that produce heat, chimney calculations should be made and applied according to mouth and depth measurements.

Miscalculated, incorrectly designed and incorrectly constructed chimneys and chimney losses exceeding 30% increase fuel costs at extreme levels.

Yes, chimneys must be grounded to take precautions against electrical leakage and lightning strikes that may occur in the heating system.

In negative pressure flue systems, fan burner heating systems, a measuring hole (sleeve) that can be opened and closed with a diameter of ½” (inch) should be made at a distance of twice the chimney nominal diameter from the boiler in order to analyze the flue gas and adjust the combustion settings of the burner.

The spread of fireplace smoke may be due to insufficient chimney draft as well as incorrect fireplace design. It is necessary to apply to a professional chimneyman or professional fireplace man without risking your own life and the life of your loved ones.

These abbreviations show what features your chimney has according to TS EN 1856-1; For detailed information, see the explanations of the relevant norm.

There may be a problem in the design or installation of the chimney, it should be checked by a specialist team, analytical noise measurement, gas analysis and checked with a chimney camera.

The sleeve under the vertical chimney ensures the discharge of the condensate that may occur in the cold chimney that has not switched to the regime.

If there is no necessity when making chimneys, they should be rounded. Due to architectural necessities, the chimney section can be made oval, square or rectangular, but these section shapes should not be preferred because they have high resistance and cause problems in use. Chimneys should not be made in triangular, polygonal or different shaped sections.

The chimney to be used in natural fuel, liquid fuel or solid fuel heating systems must have TS EN 1856-1 (2) standard and CE certificate.

The nominal diameter of the chimney is calculated according to the characteristics of the heating system, the characteristics of the building and geographical features TS EN 13.384-1 (2), formerly DIN 4705 - with the Kesa Aladin Calculation Program - and the most appropriate diameter is determined.

The dimensions of the covers used in the Covered Module vary according to the nominal diameter of the chimney; For detailed information, we recommend that you refer to DIN 18.160-1.

Chimney systems manufactured in accordance with TS EN 1856 have a muzzle connection feature. It should be combined as if water will flow from the mouth (hat) of the chimney system to the boiler, in other words, like a rain downpipe.

AISI 316L (1.4404) stainless steel is generally used in chimney systems; Appropriate quality stainless steel should be used according to fuel type and flue gas temperature.

Metal housing and workplace chimneys are manufactured according to TS EN 1856-1 (2) standards.

Since the heating systems work with the principle of stop-and-go operation, the chimney that is heated during the shutdown of the system is cooled by the outside air temperature difference. It is insulated with rock wool or ceramic wool, which are non-combustible insulation materials, in order to maintain the temperature of the heating system and delay the cooling and make the chimney resistant to fire. The chimney, which maintains its temperature, ensures that the heating system works well and does not cause condensation, thus increasing the life of the chimney and saving energy.

In the natural gas-fired heating system, as in coal-fired or fuel-oil-fueled heating systems, soot does not accumulate in the chimney and does not cause a chimney fire, but the existing natural gas chimney carries the fire in the lower floors of the building to the upper floors.

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