existing masonry chimney should be sound and if
necessary inspected and repaired by a competent
mason. It may be necessary to line the chimney
using a suitable stainless steel flue liner. The stove
must be connected to a chimney with a minimum
continuous draught of 12 Pascal’s to obtain nominal
output. Poor draught conditions will result in poor
stove performance. Allowing for an access into the
chimney at the lower end will facilitate cleaning.
Chimneys for use with solid fuel appliances should
be capable of withstanding a temperature of 1100°C
without any structural change which would impair
the stability or performance of the chimney.
VENTILATION & COMBUSTION AIR REQUIRE-
MENTS
This appliance is rated at less than 6kW. It is imper-
ative that there is sufficient air supply to the stove in
order to support correct combustion. The air supply
to this appliance must comply with B.S. 8303: Part 1
and current Building Regulations. The minimum
effective air requirement for this appliance is 5.5
cm
2
. If a draught stabiliser is used then this increas-
es to 23.5 cm
2
. When calculating combustion air
requirement for this appliance use the following
equation: a total free area of at least 550mm
2
per
kW of rated output above 5kW shall be provided.
If same or adjacent room, it will be necessary to cal-
culate additional air supply. All materials used in the
manufacture of air vents should be such that the
vent is dimensionally stable and corrosion resistant.
The effective free area of any vent should be ascer-
tained before installation. The effect of any screen
should be allowed for when determining the effective
free area of any vent.
Air vents direct to the outside of the building should
be located so that any air current produced will not
pass through normally occupied areas of the room.
An air vent outside the building should not be locat-
ed less than the dimensions specified within the
Building Regulations from any part of any flue termi-
nal. These air vents must also be fire proofed as per
Building Regulations.
Air vents traversing cavity walls should include a
continuous duct across the cavity. The duct should
be installed in such a manner as not to impair the
weather resistance of the cavity. Joints between air
vents and outside walls should be sealed to prevent
the ingress of moisture. Existing air vents should be
of the correct size and unobstructed for the appli-
ance in use. If there is an air extraction fan or other
air using appliance fitted in the room or adjacent
rooms where this appliance is fitted, additional air
vents will be required to alleviate the possibility of
spillage of products of combustion from the appli-
ance/flue while the fan is in operation. Where such
an installation exists, a test for spillage should be
made with the fan or fans and other appliances
using air in operation at full rate, (i.e. extraction fans,
tumble dryers) with all external doors and windows
closed. If spillage occurs following the above oper-
ation, an additional air vent of sufficient size to pre-
vent this occurrence should be installed.
FLUE PIPES
A flue pipe should only be used to connect an appli-
ance to a chimney and should not pass through any
roof space. Flue pipes may be of any of the follow-
ing materials:
(a) Cast iron as described in BS 41: 1973 (1981), or
(b) Stainless steel with a wall thickness of at
least 1mm and as described in BS EN
10095:1999 Specification for stainless and
heat resisting steel plate, sheet and strip, for
Grade 316 S11, 316 S13, 316 S16, 316
S31,316 S33, or the equivalent Euronorm 88-
71 designation, or
(c) Vitreous enamelled steel complying with
BS 6999: 1989.
Flue pipes with spigot and socket joints
should be fitted with the socket upper most.
Clearance to combustibles must be
adhered to when fitting the flue pipe. The
flue gas mass flow is 4.56 g/s mineral fuel
and 4.11 g/s wood logs. The mean flue gas
temperature directly downstream of the
spigot at nominal heat output is 275 °C. The
appliance is suitable for continuous opera-
tion on solid mineral fuel and intermittent
operation on wood logs.
TOP FLUE EXIT
For top outlet configuration remove the hob from the
top of the stove, turn the hob upside down and place
it on the floor, taking care not to damage it. Remove
the hob blanking plate by unscrewing the two
screws from underneath the hob. Next remove the
flue blanking plate from the top of the stove by
unscrewing the two screws, connect this blanking
plate to the rear flue outlet at the back of the stove.
Replace the hob in the correct position. Connect the
connector pipe (not supplied) into the top flue outlet
socket at the top of the stove and cement into place
using approved fire cement ensuring that no cement
blocks the flue passageway.
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