Firenzo HASTINGS 4.8KW Instructions For Installation Manual - Page 15

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Your local authority is responsible for implementing the Clean Air Act 1993 including designation and

supervision of smoke control areas and you can contact them for details of Clean Air Act requirements

7.2 Refuelling on to a low fire bed

If there is insufficient burning material in the fire bed to light a new fuel charge, excessive smoke emission can

occur. Refuelling must be carried out onto a sufficient quantity of glowing embers and ash that the new fuel

charge will ignite in a reasonable period. If there are too few embers in the fire bed, add suitable kindling to

prevent excessive smoke

7.3 Fuel overloading

The optimum amount of fuel specified in section 6.1.6 should not be exceeded, overloading can cause excess

smoke.

7.4 Operation with door left open

Operation with the door open can cause excess smoke. The appliance must not be operated with the appliance

door left open except as directed in the instructions.

7.5 Dampers left open

Operation with the air controls or appliance dampers open can cause excess smoke. The appliance must not

be operated with air controls, appliance dampers or door left open except as directed in the instructions.

8. HETAS requirements

8.1 More detailed advice about existing chimney usage

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. 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 fluepipe must have a minimum diameter of 150 mm and its

dimension should be not less than the size of the outlet socket of the stove.

Any bend in the chimney or connecting fluepipe should not exceed 45°. 90° bends 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 Approved Document J (see also combustion air supply).

8.2 Commissioning and handover

On completion of the installation and commissioning ensure that the operating instructions for the stove are left

with you, the home owner or stove user, by the installer. Ensure you are advised on the correct use of the

appliance and that you understand to use only the recommended fuel for the stove.

8.3 Warning note on fume emission

Properly installed, operated and maintained this stove will not emit fumes into the dwelling. Occasional fumes

from de-ashing and re-fuelling may occur. However, persistent fume emission is potentially dangerous and must

not be tolerated. If fume emission does persist, then the following immediate action should be taken:-

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