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HEALTH AND SAFETY
PRECAUTIONS
WARNING
Please take care when installing the
appliance that the requirements of the
Health and Safety at Work Act 1974
are met.
Some types of fire cement are caustic
and should not be allowed to come
into contact with the skin. In case of
contact wash with plenty of water.
If there is a possibility of disturbing
any asbestos in the course of
installation then please use
appropriate protective equipment.
There must not be an extractor fan
fitted in the same room as the
appliance as this can cause the
appliance to emit fumes into the
room.
There must be an adequate air supply
into the room in which the appliance
is installed totalling at least 100
square cm. (16 square inches) to
provide combustion air. This is
particularly necessary if the room is
double glazed.
In addition to these instructions the
requirements of BS:8303 and
BS:6461 Pt 1&2; 1984 must be
fulfilled. Local Authority Bylaws and
Building Regulations regarding the
installation of Solid Fuel burning
appliances, flues and chimneys must
also be observed.
PERFORMANCE
The rated output for the LA20i is 5.4
kW (18800 btu/h) to the room.
This is the output obtained burning
Sunbrite Doubles at a rate of 1.0
kg/hr with the doors closed over a 4
hourly re-fuelling interval.
There is an optional add-in domestic
hot water boiler available with an
output of 2.0 kW (6800 btu/h). If this
is fitted then the output to the room
will be reduced by a corresponding
amount.
CHIMNEY
In order for the appliance to perform
satisfactorily the chimney height
must not be less than 4 metres
measured vertically from the outlet of
the fire to the top of the chimney.
The chimney should preferably be
175 mm (7 inches) or 200mm (8
inches) internal diameter or square
with sides of 175mm or 200mm
internally and MUST NOT BE LESS
THAN 150mm (6 INCHES)
INTERNAL DIAMETER OR 150 x
150mm INTERNAL SQUARE.
If an existing chimney is to be used it
must be swept and checked, it must
be in good condition, free from
cracks and blockages, and should not
have an excessive cross sectional area
(e.g. greater than 250mm x 250mm).
If you find that the chimney is in
poor condition then expert advice
should be sought regarding the
necessity of having the chimney
lined. If it is found necessary to line
the chimney then a lining suitable for
Solid Fuel must be used.
If there is no existing chimney then a
prefabricated block chimney or a twin
walled insulated stainless steel flue to
BS:4543 can be used either internally
or externally. These chimneys must
be fitted in accordance with the
manufacturers instructions and
Building Regulations.
Single wall flue pipe is suitable for
connecting the appliance to the
chimney but is not suitable for using
for the complete chimney.
If it is found that there is excessive
draw in the chimney then a draught
stabilizer should be fitted.
HEARTH
The appliance must be installed on a
fireproof hearth and must be situated
at least 300 mm (12 inches) from any
combustible material. The positioning
of the appliance and the size of the
hearth are governed by building
regulations for Class 1 appliances.
These building regulations state that
the hearth must extend in front of the
appliance by at least 300 mm (12
inches) and to the sides by at least
150 mm (6 inches). If in doubt as to
the positioning of the appliance
expert advice should be sought either
from the supplier or the local
building inspector.
PREPARATION OF
FIREPLACE
Before fitting the appliance into an
existing fireplace remove the fireback
and any loose in-fill material.
The hearth, surround and opening for
the appliance must conform with
Figs. 4 and 5. The flat area around
the opening must be a minimum of
750 mm wide and 660 mm high.
Ensure that the hearth and the base
in the opening are flat, level, and at
right angles to the surround.
Make a hole in the front of the
chimney breast to give access for
infilling and fixing the flue pipe. If
the optional boiler is to be fitted it
will also be necessary to make a hole
in the side of the chimney breast to
give access for the pipework.
FITTING THE FIRE
In some cases it may be necessary to
place the connecting flue pipe in the
chimney before fitting the fire into
the fireplace.
Apply fire cement to the rear face of
the sealing flange on the appliance.
Fit the appliance into the opening
ensuring that it is central and that a
good seal is made between the
sealing flange and the face of the
surround.
Remove any excess fire cement from
around the sealing flange.
The appliance should be screwed to
the hearth through the holes at the
base of the sealing flange.
INSTALLATION INSTRUCTIONS FOR THE
CHARNWOOD LA20i
Page 7
LA20i 3/99