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Woodfire EX, Manual Rev: 1.0
2.2.1 Combustion air supply
The stove needs sufficient combustion air. This can be drawn from the installation room, which
must have a suitable fresh air supply from the outside.
When using the stove in low-energy houses with sealed windows and doors, it is possible that
there will not be enough fresh air supply. It must be ensured that all air ducts are open during
operation. Simultaneous operation with ventilation systems, such as extractor fans, can adversely
affect the function of the stove and a suitable calculation should be done to ensure that there is
sufficient air for the stove and any extraction system.
2.2.2 Direct combustion air supply
The spigot for connecting to a direct combustion air supply is pre-mounted on the right side of the
stove (Ø 125 / 150mm). If required it can instead be fixed to the left side. Any ducting used to
bring air from the outside must be at least the diameter of the spigot and then up-sized to take
into account any length over two metres and an extra 25mm in diameter is required for each
offset in the run.
Unless appropriate safety devices are employed to ensure that the stove can only be run with the
air supply open, all direct air ducts should be fixed open. The cross-section of the combustion air
duct should not be narrowed by a grille.
2.2.3 Fire protection
When the stove is installed, all fire protection regulations and the minimum distances specified by
the manufacturer must be adhered to.
The stove must be installed on a non-combustible hearth. Floors made of combustible material
must be protected by a layer of non-flammable material. This can be done, for example, by tiles or
a plate made of glass or sheet metal at least 12mm thick.
The non-combustible hearth must extend at least 300mm in front of the appliance and must be at
least 150mm wider than the body of the stove on each side. Where an insert model is positioned
higher up the wall, it is strongly recommended that the non-combustible hearth should extend the
required 300mm plus the distance from the hearth to the base of the door opening. The width of
the hearth should also be increased in that situation.
2.2.4 Chamber construction
When the plumbing is completed, the system filled and the chimney connected, the stove should
be thoroughly checked over and test-fired before the chamber is built around it.
The insert chamber must be designed in such a way that any serviceable plumbing component,
draught stabiliser or chimney cleaning access point is accessible.
The chamber construction must be self supporting and not connected to the stove.
The warranty does not cover any damage caused by a static connection between the insert stove
and the chamber.
