There is no air movement (wind) outside.
The chimney is not tall enough, with the result that the terminal sits in the lee of the roof surface
or in the vicinity of tall trees or neighbouring buildings. These conditions are also associated with
downdraft where the flue gases are pushed back down the chimney.
Flue draft is diluted by residual air entering the chimney, e.g. due to inadequate fluepipe joints or
leaks at the cleaning door or flue collar.
Unsealed, unused fireplaces are connected to the chimney.
The flue is blocked, e.g. by soot, due to inadequate cleaning, loose debris or even a birds nest.
The house is too tightly sealed (see section on Fresh air supply).
A good draft is achieved when:
The temperature difference between the chimney and outside is high. This also applies during
firing, when the need is greatest.
The weather is clear and there is a good wind.
The chimney is of the proper height, i.e. minimum 4 meters over the stove and the termination
adequately clear of the roof line.
3.0 User Manual
3.1 Choice of fuel
Recommended fuel :
Wood
- Use hard wood logs.
Although you can fire this product with almost all kinds of wood, you should not fire with wet wood,
or unseasoned wood. Wood ought to be stored under a roof for at least 1 year, and preferably 2 years,
with free access to wind. Wood should be chopped as soon as possible after felling if it is to dry
quickly. The wood can be used once the moisture content is less than 20%. During the EN test, all
stoves are tested with wood with a moisture content of (16 ± 4)%.
- Hardwood has a higher calorific value as the same valume(oak, ash, maple, birch, elm, beech, etc.).
-Pieces of wood with a diameter greater than 10 cm should always be chopped. The pieces of wood
should be short enough to be able to lie flat over the layer of embers, with air at both ends. The
maximum length of fuel in the stove no more than40cm.
Recommended fuel:
Smokeless fuels
And smokeless fuels, including coolite nuts, phurnacite,ancit and extracite.
Not recommended as fuel
:
- “green wood”. Green or damp wood reduces stoveefficiency and soils the glass, the internal walls
and theflue (soot, tar, etc.).
- “used timbers”. Burning treated wood (railwaysleepers, telegraph poles, offcuts of plywood or
chipboard, pallets, etc.) quickly clogs the flue ways (soot,tar, etc.), pollutes the environment (pollution
and smell,etc.) and cause the fire to burn too quickly andoverheat.
“Green wood” and “recovered wood” can eventuallycause a chimney fire.
Summary of Contents for Seattle
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