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HH5i12/09/13
appliance is installed in the same room, the ventilation requirements for each appliance must be added
together.
There must not be an extractor fan fitted in the same room as the stove as this can cause the stove to emit
fumes into the room.
Health and Safety Precautions
Works must be carried out with care to meet the requirements of Health and Safety (Health and
Safety at Work Act 1974) and comply with the Health and Safety rules contained therein, and any
new regulations introduced during the lifetime of these instructions.
Handling
Adequate facilities must be available for unloading and site handling. Hothouse Stoves are very heavily built
so always ask for assistance when lifting and siting the stoves.
Fire Cement
Some types of fire cement are caustic and should not be allowed to come into contact with the skin. In case
of skin contact, wash immediately with plenty of water.
Asbestos
This stove contains no asbestos. If there is a possibility of disturbing any asbestos in the course of
installation then please seek specialist guidance and use appropriate protective equipment.
Metal Parts
When installing or servicing this stove, proper care should be taken to avoid the possibility of personal
injury.
4.0
Installation Information
Chimney
The chimney height and the position of the chimney terminal should conform to Building Regulations.
Minimum chimney height is 4.5m. Check that the chimney is in good condition, dry, free from cracks and
obstructions. The diameter of the flue should not be less than 150mm and not more than 200mm. If any of
these requirements are not met, the chimney should be lined by a suitable method. The chimney must be
swept before connection to the stove.
Where the chimney is believed to have previously served an open fire installation, it is possible that the
higher flue gas temperature from the stove may loosen deposits that were previously firmly adhered, with
the consequent risk of flue blockage. It is therefore recommended that the chimney be swept a second time
within a month of regular use after installation.
If you have any doubts about the suitability of your chimney, consult your local dealer/stockist or chimney
specialist. If there is no existing chimney then either a solid fuel compatible prefabricated block chimney or
a twin-walled insulated stainless steel flue to BS 1856-1 can be used. These chimneys must be fitted in
accordance with the manufacturer‟s instructions and also please refer to the current issues of British
Standards BS EN 15287-1:2007 for design, installation and commissioning of chimneys.
Ventilation
No purpose provided ventilation is required for stoves rated under 5KW. For each KW above 5KW, 550 sq
mm of fixed ventilation is required – i.e. a stove rated at 8KW would require 3 x 550 sq mm = 1650 sq mm
of fixed ventilation. If more than one appliance is installed in the same room, the ventilation requirements
for each appliance must be added together.
Flue Draught
A flue draught of minimum 1.2mm to a maximum 2.5mm water gauge (12 to 25 Pascals) is required for
satisfactory appliance performance. The flue draught should be checked under fire at high output and, if it
exceeds the recommended maximum, a draught stabiliser must be fitted so that the rate of burning can be
controlled to prevent over-firing.
Connection to the Chimney
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