38
Bellfires
English
Instructions for use and installation instructions
8.
GENERAL HINTS
8.1. TIPS
Burn dry wood only. Damp wood not only burns poorly, it causes more pollution in
the appliance (window), the chimney, your room (when opening the door of the
appliance, for instance) and the environment. Wood can only be classified as dry if it
has been stored under a Dutch barn for at least two years (not covered with plastic).
Never use painted or impregnated wood. The gases emitted when burning painted or
impregnated wood are aggressive and will affect the appliance, the environment and
your health.
Ensure that your fire burns well. The smoke generated should be translucent or
white and the windows of the fire will remain clean. We recommend that you do not
‘pinch off’ your fire (by closing all air openings). Doing so will hinder combustion
which, apart from polluting the atmosphere, will lead to deposits of soot and tar in
your chimney (which, unchecked, will increase the risk of chimney fire).
Keep the door shut when the fire is burning. Doing so improves the performance of
your fire 8 - 10 times, benefiting the environment and the heat in your home (less
topping up, see section 8.2). You will also prevent fire damage from any particles the
fire ‘spits’ out (this is a particular problem with softwood from conifers). If your floor
contains flammable material, an extra floor plate is required.
Avoid lighting a fire in misty or still conditions. If the wind is still, there is hardly any
draught in the cold chimney. As smoke is heavier than air, there is a chance that
smoke will enter the room. If there is mist in the air, smoke coming out of your
chimney will cool quickly and fall, causing problems in your area.
Do not extinguish your fire with water - let it burn out. The part of the inner lining that
is in direct contact with the fire is clad with fire-resistant material. Sudden changes in
temperature may lead to it deforming or cracks appearing.
8.2. OUTPUT / EFFICIENCY
In practice, combustion is all about loss. This entails:
Loss through excess heat leaving the chimney, rather than going into the room.
Loss through insufficient combustion, such as CO (carbon monoxide) and soot
particles.
Loss through excessive unburnt fuel in the ash.
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