docherty SEVERN CORNER Installatiehandleiding - Pagina 3
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Pagina afdrukkenThis process simultaneously prevents the blackening of the front glass. The secondary air
also participates in the primary combustion process when the primary air intake is partially
or completely sealed. Keep the primary air intake fully open at the beginning of the combustion
process, when the chimney draft is still weak.
After the chimney heats up, you can partially or even completely close the primary air intake,
based on the target output of the fireplace insert. It is also possible to reduce the fueling
or limit the chimney draft by attaching a smoke shutter (a manual shutter in the flue pipe
limiting the air intake to at most 75%) to reduce the output of the fireplace insert. This is
recommended especially for chimney draft around and above 20Pa.
The secondary damper is intended to fully close the stove when it is not in operation. The
fireplace and ashpan covers must always be closed except for starting operation, adding fuel
and removing solid combustion remnants to prevent exhausts entering the room.
Some fireplace inserts are manufactured with a central air intake (CAI). This allows air to flow
into the combustion chamber in the fireplace insert from the exterior, halls, technical rooms
etc. Fireplace inserts with a CAI are not dependant on the amount of air in the heated area.
Thus, they not only contribute to a pleasant atmosphere in your home, but also reduce
energy expenses (since heated air already in the room is not consumed).
Fireplace inserts with a CAI are very convenient for stoves in low-energy houses. It is also
possible to equip the heating system of some fireplace inserts with CAI with electronic
combustion regulation to increase comfort. This can additionally increase the combustion
process and stoking intervals, increase operation safety and prevent uneconomic heating
and over-heating of fireplace inserts (the shutter of the central air intake is controlled by a
control unit and servomotor in relation to the current combustion phase and output exhaust
temperature).
In all cases when using the direct air connection the installer is required to install and
commission the appliance inline with current Building Regulations, manufacturer's instructions
and any commissioning guidelines for a direct air kit, (example: the HETAS Direct Air Supply
guidelines TN010, TN011, TN012. Details are also going to be included in the next revised
standard of BS 8303). Details are available on request.
Warning: The fireplace inserts are not manufactured to provide continual heating and are
intended for periodic interrupted operation, mostly due to the need to empty the ashpan
when the ash has cooled down.
3. Safety regulations
Special care must be taken when installing the stove such that the requirements of the
Health and Safety at Work Act are met.
A supply of sufficient amount of combustion air and room ventilation air must be ensured
when the fireplace stoves are in operation, especially with another heat device running
simultaneously. The regulation grate for combustion, ventilation and heating air must not be
obstructed.
When stoking fuel, always open the door very slowly. You will prevent smoke and ash from
escaping into the room. The fireplace stoves require casual attendance and inspection.
Flammable fuels must not be used for stoking or heating! In addition, burning plastic material
of any kind, wood materials with various chemical bonding agents (chipboards, etc) or
unsorted domestic waste with remaining plastics is prohibited.
Make sure to prevent children from handling the fireplace stoves during heating. The stove
may only be operated by an adult person! A fireguard to BS 8423:2010 should be fitted in the
presence of children, aged and/or infirm persons.