Lismore Boiler Solid Fuel Stove
INSTALLATION AND OPERATING INSTRUCTIONS
This appliance is hot while in operation and retains its heat for a long period of time after use. Children,
aged or infirm persons should be supervised at all times and should not be allowed to touch the hot
working surfaces while in use or until the appliance has thoroughly cooled.
When using the boiler stove in situations where children, aged and/or infirm persons are present a fireguard must be used to prevent accidental contact with the stove. The fireguard should be
manufactured in accordance with BS 8423:2002.
TABLE OF CONTENTS
PAGENO.
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Fire Cement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Asbestos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Metal Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Flues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Flue Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Flue Exit - Top & Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6. Chimney . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7. Ventilation & Combustion Air Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8. Permanent Air Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
9. External Ducted Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
10. Heat Recovery Ventilation (HRV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
11. CO Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
12. Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
13. Installation Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
14. Floor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
15. Flue & Water Pipe Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
16. Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
17 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
18. Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
19. Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
20. Gravity Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
21. Injector Tee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
22. Water Circuit Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
23. Pipe Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
24. Handover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
25. Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
26. Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
27. Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
28. Recommended Fuels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
29. Thermostat Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
30. Secondary Air Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
31. De-Ashing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
32. Disposal of Ashes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
33. To Clean Chimney Back Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
34. Changing Grate Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
34. Fire Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
35. Vitreous Enamel Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
36. Frozen System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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TABLE OF CONTENTS
PAGENO.
37. Glass Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
38. Glass Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
39. Summer Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
40. Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
41. Installation Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
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THE LISMORE SOLID FUEL CENTRAL HEATING STOVE
INSTALLATION & OPERATING INSTRUCTIONS
GENERAL
When installing, operating and maintaining your
Lismore Stove respect basic standards of fire safety.
Read these instructions carefully before commencing the installation. Failure to do so may result in
damage to persons and property. Consult your local
Municipal office and your insurance representative
to determine what regulations are in force. Save
these instructions for future reference.
Please note that it is a legal requirement under
England & Wales Building Regulations that the
installation of the stove is either carried out under
Local Authority Building Control approval or is
installed by a Competent Person registered with a
Government approved Competent Persons
Scheme. HETAS Ltd operate such a scheme and a
listing of their Registered Competent Persons can
be found on their website at www.hetas.co.uk.
Special care must be taken when installing the stove
such that the requirements of the Health & Safety at
Work Act are met.
Handling
Adequate facilities must be available for loading,
unloading and site handling.
Fire Cement
Some types of fire cement are caustic and should
not be allowed to come into contact with the skin. In
case of contact with the skin wash immediately with
plenty of water.
Asbestos
This stove contains no asbestos. If there is a possibility of disturbing any asbestos in the course of
installation then please seek specialist guidance and
use appropriate protective equipment.
Metal Parts
When installing or servicing this stove care should
be taken to avoid the possibility of personal injury.
“IMPORTANT WARNING”
This stove must not be installed into a chimney that
serves any other heating appliance.
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The complete installation must be done in accordance with current Standards and Local Codes. It
should be noted that the requirements and these
publications may be superseded during the life of
this manual.
Please refer to the current standards, BS EN 152871:2007 Design, Installation and Commissioning of
chimneys. BS EN 14336:2004: Heating Systems in
Buildings. Installation & Commissioning of Water
Based Heating Systems. BS EN 12828: 2003;
Heating Systems in Buildings. Design of Water
Based Heating Systems. BS EN 12831: 2003;
Heating Systems in Buildings. method for
calculation of the design heat load.
ELECTRICAL CONNECTIONS
The installation of any electrical services during the
installation of this stove must be carried out by a
registered competent electrician and in accordance
with the requirements of the latest issue of BS 7671.
FLUES
Flues should be vertical wherever possible and
where a bend is necessary, it should not make an
angle of more than 45
o
with the vertical. Horizontal
flue runs should be avoided except in the case of a
back outlet from the appliance, when the length of
the horizontal section should not exceed 150mm.
In order to minimise flue resistance and to make
sweeping easier it is recommended to use 2 x 45
o
bends rather than a 90obend.
The flue termination point must be located to minimise any wind effects. Wind effects of suction,
pressure zones and turbulence can be created by
the roof and adjacent objects. Wind effects can also
be created by natural land contours.
To minimise the wind effects, the flue termination
point should be located a minimum of 1000mm from
the roof measured vertically and 2300mm measured
horizontally. Where this termination point does not
suffice it may be necessary to extend the flue pipe
so that the termination point is above the apex. (See
Fig.1)
FLUE PIPES
A flue pipe should only be used to connect an appliance to a chimney and should not pass through any
roof space.
Flue pipes may be of any of the following materials:
* Cast iron as described in BS 41:
1973 (1981), or
* 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
* Vitreous enamelled steel complying
with BS 6999: 1989.
Flue pipes with spigot and socket joints should be fitted with the socket uppermost.
Clearance to combustibles must be adhered to
when fitting the flue pipe.
The appliance is suitable for intermittent operation
on solid mineral fuel and intermittent operation on
wood logs.
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Fig.2
FLUE EXIT (TOP & REAR)
The stove is designed to allow the chimney be
cleaned through the stove. If the chimney cannot be
cleaned through the stove it is necessary to provide
a soot box/access door in the flue for cleaning. See
Fig.1A for recommended locations. Fit it to the stove
as shown in Fig.2.
The stove is supplied with a reversable flue spigot
for use with both top outlet and rear outlet. Fit the
spigot as per Fig.2 for top outlet and as per Fig.3 for
rear outlet.
Fig.1
2300
Appliance
Soot Door
1000
Fig.1A
Flue Liner
Sleeve
Flue Pipe
Possible
Positions
for access
Flue
Soot Door
Appliance Flue
Outlet
Appliance
Debris Collection
space
Fig.3
Alternatively the calculation procedure given in EN
13384-1 may be used as the basis for deciding
whether a particular chimney design will provide sufficient draught.
The outlet from the chimney should be above the
roof of the building in accordance with the provisions
of Building Regulations Approved Document J.
If installation is into an existing chimney then it must
be sound and have no cracks or other faults which
might allow fumes into the house. Older properties,
especially, may have chimney faults or the cross
section may be too large i.e. more than 230 mm x
230 mm. Remedial action should be taken, if
required, seeking expert advice, if necessary. If it is
found necessary to line the chimney then a flue liner
suitable for solid fuel must be used in accordance
with Building Regulations Approved Document J.
Any existing chimney must be clear of obstruction
and have been swept clean immediately before
installation of the stove. If the stove is fitted in place
of an open fire then 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.
If there is no existing chimney then any new system
must be to the designation described above and in
accordance with Building Regulations Approved
Document J.
A single wall metal fluepipe is suitable for connecting
the stove to the chimney but is not suitable for use
as the complete chimney. The chimney and connecting flue must have a minimum diameter of
150mm and at no point must the diameter reduce to
less than the size of the outlet socket of the stove.
Any bend in the chimney or connecting fluepipe
should not exceed 45
o
. 90obends should not be
used.
Combustible material should not be located where
the heat dissipating through the walls of fireplaces or
flues could ignite it. Therefore when installing the
stove in the presence of combustible materials due
account must be taken of the guidance on the separation of combustible material given in Building
Regulations Approved Document J and also in these
stove instructions.
If it is found that there is excessive draught in the
chimney then a draught stabiliser should be fitted.
Fitting of a draught stabiliser will affect the requirement for the permanent air supply into the room in
which the stove is fitted in accordance with
CHIMNEY
Do not connect to a chimney serving another
appliance.
The stove is a radiant room heater and must be connected to a chimney of the proper size and type.
The chimney must have a cross-sectional area of at
least 30 square inches 19350sq. mm or a diameter
of at least 6” (150mm). It is best to connect to a
chimney of the same size, as connection to a larger
size may result in a somewhat less draught. Do not
connect to a chimney serving another appliance.
Minimum chimney height 15’ (4.1 meters) from floor
on which stove is installed. An existing masonry
chimney should be inspected and if necessary
repaired by a competent mason. The stove must be
connected to a chimney with a minimum continuous
draft of .06 wg. poor draft conditions will result in
poor performance.
In adverse weather conditions, down drafts may be
experienced causing smoke or fumes to spill into the
room. If this occurs shut the appliance down by
closing the air controls. If the problem persists seek
the advice of a chimney sweep.
In order for the stove to perform satisfactorily the
chimney height must be sufficient to ensure an adequate draught of approximately 12 Pa so as to clear
the products of combustion and prevent smoke
problems into the room.
NOTE: A chimney height of not less than 4.5 metres
measured vertically from the outlet of the stove to
the top of the chimney should be satisfactory.
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