7
The chimney and connecting flue pipe
must have a minimum diameter of 150mm
and its dimension should not narrow to
less than the size of the outlet socket of the
stove at any point.
Do not connect the inset stove to a
chimney flue which is connected to
another appliance.
It is essential that you use only stainless
steel pipes for your inset stove and that
all installations are carried out in
accordance with building regulations
and manufacturer’s instructions. Always fit
pipes with the narrow side down, to allow
any creosote to run down the inside of the
pipe. This avoids possible fire risk.
Firebird recommend that a thorough
inspection of the chimney is carried out
prior to installation and on a regular basis
thereafter.
The chimney should be of sound
construction, free from debris, capable of
withstanding extremely high temperatures
and have no evidence of cracks or other
faults.
Best installation practice is to install a flue
lining suitable for solid fuels. A rigid
connection adaptor should be used to
connect the flue liner to the inset stove.
Pipe bends should be kept to a minimum
and there should be no more than two 45˚
bends on any installation.
Flues should not pass through ceilings,
floors or any form of combustible walls
without adequate, approved insulation
having been installed, to protect the
combustible material.
If the stove is filled in place of an open fire,
the chimney should be swept one month
after installation to clear any soot falls
which may have occurred due to the
difference in combustion between the
stove and the open fire.
4.7
INSTAllING AND BACK FIllING
1. Remove the inset stove from its
packaging and inspect for any
damage.
2. Place adjustable legs to the bottom of
the inset stove if required.
3. Fit the appliance into the opening,
making sure it is central. A good seal
should be made between the flange
and the surround.
4. Remove any excess fire cement from
around the flange.
5. Make the connections to the boiler
and ensure the primary flow pipe rises
from the boiler so that no air is
trapped in the boiler.
6. Ensure the boiler is fixed to the hearth.
There are 4 preformed holes on the
side frames of the base to facilitate
fixing.
7. Before back filling, check the flue
connections, fill the system with water
and check the boiler connections for
leaks. Ensure that the materials used
for back filling are non-combustible.
8. Fit the flue connector to the top of the
appliance so that it is central to the
chimney and extends to the point
where the chimney narrows. Ensure
that the flue manufacturer’s
instructions are adhered to at all
times.
9. Back fill the appliance with vermiculite
concrete (the mix 6:1; 6 volumes of
vermiculite to 1 volume Portland
cement mixed thoroughly) add
enough water to activate the cement.
10. An expansion pipe must be fitted to
the inset stove water outlet pipe,
which must be vented to
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