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3.3.
Installation of the fireplace
3.3.1. Positioning and connection
Put the fireplace at proper
height. Make sure that it is
stable and level and that the
side panels are perpendicular
to the bottom plate. Put the
fireplace far enough from the
walls, so that minimum 10
cm of free air passage re-
mains between the back of
the fireplace and the wall
after adding the necessary
insulation.
Make an airtight connection between fireplace and chimney, according to good prac-
tice.
Before further installation of the fireplace, check for sufficient draft in the chimney
and for proper connection between the smoke duct and the appliance.
For that purpose, you can light a small intense fire with paper and small dry kindle.
In case of a brick smoke duct, wait until the duct is dry enough.
3.3.2. Mounting
Start with the masonry round the base of the fireplace. In that masonry, the air sup-
ply grids (optional) will be installed. Minimum air supply opening is 250 cm². The
grids may be installed on all sides.
It is important that air flows freely into the convection chamber. If you use an air
vent (to convey outside air into the convection chamber), remember to build in the
adjustment knob.
It is recommended to cover the inner side of the convection chamber with extra re-
flecting insulation material. That prevents loss of heat radiation
to outside walls or adjacent rooms, as well as deterioration of
any inside wall insulation.
Make sure that the doors of the hearth move freely over the
plate in front of the fireplace.
Continue building the chimney up to the smoke dome. Assure a
gap of at least 2 mm between the fireplace and the masonry to
allow for dilatation of the fireplace. If necessary, use heat-
resistant strips.
Upper structure support
The masonry over the fireplace must not rest on the fireplace. That is why a support
is used. Between the steel support and the smoke dome, you must leave a free
space of at least 3 mm. That will prevent tensions in the material that might tear the
upper structure. The steel support may rest on the side structure or be attached to
the wall by means of threaded rods.
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