INSTALLER’S GUIDE
Page 8
300mm deep. The hearth material must be at least 12mm thick. The periphery of the
hearth (or fender) should be at least 50mm above floor level to discourage the placing of
carpets or rugs over it.
The appliance can be fitted to a purpose made proprietary class “O” 150°C surround.
2.9.2
Wall Mounted
The wall opening must be within the following dimensions:
Width
Max.
432mm
Min.
305mm
Height
Max.
610mm
★
Min.
334mm
★
Though the total height of the closure plate will accommodate a maximum opening
height of 650mm, heights above 610mm will leave the closure plate and sealing tape
visible above the appliance.
The bottom of the appliance must be at least 100mm above the finished floor covering. See
figure 1. This requires the top of the opening to be at least 650mm above the finished floor
covering. Any opening visible below the appliance may be closed in but the depth of the
catchment space within the wall opening must be as shown in figure 2.
2.9.3
Precast Flues
The appliance can be installed to a fireplace that has a precast concrete or clay flue block
system conforming to BS1289 or BS EN 1806. The appliance is suitable for installations
conforming to older versions of BS1289 as well as the current standards. The flue blocks
must have a minimum width not less than 63mm and a cross-sectional area not less than
13,000mm
2
.
Older editions of BS1289 required a cross-sectional area of 13,000mm
2
. The
current revision of the standard requires 16,500mm
2
. This appliance is suitable in both
cases.
The chimney should be at least one or two storeys high but not less than 3m vertical
height and be correctly terminated. No mortar fangs between the blocks should be
extruded into the flueway. If raking blocks are used, they must be fitted in accordance
with the manufacturer’s instructions. Mortar must not be allowed to drop down and
accumulate in the raked positions.
The fireplace opening must be within the following dimensions:
Width
Max.
432mm
Min.
305mm
Height
Max.
610mm
1
Min.
550mm
2
1
Though the total height of the closure plate will accommodate a maximum opening
height of 650mm, heights above 610mm will leave the closure plate and sealing tape
visible above the appliance.
2
Any opening visible below the appliance may be closed in.