Pre-installation checks 9, Flue or chimney, Model – Yeoman 200 User Manual
Page 9
PRE-INSTALLATION CHECKS
9
It is important that adequate ventilation exists and the
flue or chimney system that is to be used is in good
working condition. Products of combustion that enter the
room could be a serious health risk. Before installation of
this product we recommend that the flue or chimney
system and ventilation requirements are inspected by a
competent person, and passed as suitable for use with the
appliance to be fitted. In particular the following should
be checked: -
1. Flue or Chimney
1.1 The construction of the flue or chimney system should
meet the requirements of the Building Regulations with
sizes as shown: -
1.2 An approved, factory made system suitable for solid fuel
use, complying with BS 4543: Part 2, may be used when
installed to the requirements of BS 7566: Parts 1 to 4, the
manufacturer’s instructions and the requirements of
Building Regulations.
1.3 New masonry chimney systems built with clay or concrete
liners or pre-fabricated block systems should be
constructed in accordance with BS 6461 : Part 1, and the
requirements of Building Regulations, may be used.
1.4 A flexible flue liner system may be used, if it is
independently certified for use with solid fuel systems,
and is installed according to the manufacturer’s
instructions and the requirements of Building
Regulations. If an appliance is being replaced on an
existing flexible flue liner system, the liner system should
be replaced, unless it can be proved to be recently
installed and can be seen to be in good condition.
1.5 The flue exit from the building should be positioned to
comply with the requirements of the Building
Regulations.
1.6 Any existing flue should be confirmed as suitable for the
new intended use, as defined in the Building Regulations.
1.7 Any existing flue or chimney system must be inspected
and swept by a NACS registered (GB only) chimney
sweep, to confirm that the system is structurally sound
and free from any obstructions.
1.8 Suitable access should be provided to enable the
collection and removal of debris.
1.9 Provision should be made to sweep and inspect the flue
when the appliance is installed.
1.10 No other heating appliances should be connected to, or
share, the same flue or chimney system.
1.11 Check the flue draught. This should be done with all
windows and doors closed and any extraction fans in this
or adjoining rooms running at maximum speed (see next
section for additional ventilation requirements).
Note: A guide containing general information on
chimneys and flues is obtainable from: -
The British Flue & Chimney Manufacturers’
Association, FETA
2 Waltham Court, Milley Lane
Hare Hatch, Reading
Bucks RG10 9TH
Tel : - 01189 403416 e-mail :- [email protected]
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Flue/Chimney Size
Without liner system
Round (diameter)
mm
150
150
150
150
150
150
150
inch
6
6
6
6
6
6
6
Without liner
system Square
(minimum dimension).
mm
135
135
135
135
135
135
135
inch
5.5
5.5
5.5
5.5
5.5
5.5
5.5
With liner or factory
made system (diameter).
Installed in accordance with
manufacturer’s instructions
mm
150
150
150
150
150
150
150
inch
6
6
6
6
6
6
6
Flue/Chimney
minimum height*
m
4
4
4
4
4
4
4
feet
13
13
13
13
13
13
13
* When measured from the top of the stove to the top of the flue,
with no horizontal sections and a maximum of four bends with an angle of less than 45°