INSTALLER’S GUIDE
Page 8
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175mm diameter lined brick or stone flue.
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200mm diameter factory made insulated flue manufactured to BS4543.
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175mm diameter flue pipe. See BS6461 Part 1 for suitable materials.
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Single wall, twin wall or flexible flue liner with a minimum diameter of 125mm. The
materials to be used are stainless steel or aluminium as specified in BS715. The liner must
be sealed to the surrounding area above the fireplace opening and to the top of the
chimney. An approved terminal must be fitted.
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A properly constructed precast concrete or clay flue system conforming to BS1289 or
BS EN 1806. This system is only suitable if the conditions stated in section 2.9.2 are met.
2.10.1
The flue must conform to BS 5440: Part 1 in design and installation.
The flue, measured from the bottom of the fireplace opening to the bottom of the
terminal, shall be not less than 3m in actual vertical height. When calculated in
accordance with BS 5440: Part 1 Annex A, the minimum
equivalent
height of the flue
shall be 2.0m of 125mm dia. flue pipe.
2.10.2
The flue must be clear of any obstruction and its base must be clear of debris.
2.10.3
The flue must be completely sealed so that combustion products do not come into
contact with combustible materials outside the chimney.
2.10.4
The flue must serve only one fireplace.
2.11
If the fireplace opening is an underfloor draught type, it must be sealed to stop
any draughts.
2.12
An extractor fan may only be used in the same room as this appliance, or in any
area from which ventilation for the appliance is taken, if it does not affect the safe
performance of the appliance. Note the spillage test requirements detailed further on in
this manual. If the fan is likely to affect the appliance, the appliance must not be installed
unless the fan is permanently disconnected.
2.13
A fireguard complying with BS6539 or BS6778 should be fitted for the
protection of young children, the elderly, or the infirm.
2.14
The appliance is fitted with an A.S.D (Atmosphere sensing device). If the
appliance closes down after a period of operation for no apparent reason, the consumer
should be informed to stop using the appliance until the installation and appliance have
been thoroughly checked. The A.S.D will shut the appliance down if an unacceptable
amount of harmful products of combustion accumulate. Under no circumstances should
the A.S.D be altered or bypassed in any way. Only a genuine manufacturers replacement
part should be fitted. The individual A.S.D components are not replaceable.