Yeoman YM-CL8HB User Manual download pdf (Page 17)

1. FLUE OR CHIMNEY

1.1 The flue or chimney system must be in good condition.

It must be inspected by a competent person and passed for

use with the appliance before installation.

Products of combustion entering the room can cause

serious health risks.

1.2 The following must be checked:

—The construction of the masonry chimneys, flue block

chimneys and connecting flue pipe system must meet

the requirements of the Building Regulations

†

—A flexible flue liner system can be used if certified for

use with solid fuel systems and installation complies with

manufacturer’s instructions and Building Regulations

†

The flue liner must be replaced when an appliance is

replaced, unless proven to be recently installed

and in good condition.

—If it is necessary to fit a register plate it must conform to

the Building Regulations

†

—The minimum height of the flue or chimney must

be 4.5m from the hearth to the top of the flue, with no

horizontal sections and a maximum of 4 bends.

Bends must have angles of less than 45 degrees from the

vertical.

—Ensure the connecting flue pipe is kept a suitable

distance from any combustible material and does not

form part of the supporting structure of the building.

—Make provision to remove the appliance without the

need to dismantle the chimney.

—Any existing flue must be confirmed as suitable for

the new intended use as defined in the Building

Regulations

†

—The flue or chimney systems must be inspected and

swept to confirm the system is structurally sound and

free from obstructions**.

—If the chimney is believed to have previously served

an open fire it must be swept a second time within

a month of regular use after installation to clear

any soot falls that may have occurred due to difference

in combustion levels.

—The flue exit from the building must comply with local

building control rules

†

—Do not connect or share the flue or chimney system

with another heating appliance.

1.3 Do not connect to systems containing large voids or spaces

over 230mm square.

1.4 Suitable access must be provided to enable the collection

and removal of debris.

1.5 The flue must be swept and inspected when the appliance

is installed.

1.6 The flue draught must be checked 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).

Max. Draught = 2.0mm Wg

Min. Draught = 1.0mm Wg

SITE REQUIREMENTS

In the U.K.

*The design of the flue and chimney systems and products

used should meet the requirements of ADJ along with any

other relevant, National or European standards that may

apply. Products should be specified with regard to the type

of appliance, position within the building, fuels to be used

and appliance operating temperatures.

**This should be done by a HETAS Approved Chimney

Sweep (UK only) see page 27 / INFO registered (Republic

of Ireland only) who will issue you with a certificate.

† Building Regulations Document J

Flue Plate:

Where a hearth, fireplace, flue or chimney is provided or

extended (including cases where a flue is provided as

part of refurbishment work), information essential to the

correct appliance and use of these should be permanently

posted in the building, to meet Requirement J4 of the

Building Regulations (England and Wales), F3.12 (Scotland).

Additional:

A new factory made system that complies to EN 1856; Part 1

can be used providing installation is to the requirements of:

i) BS 7566 Parts 1 -4

ii) the manufacturer's instructions

iii) Building Regulations.

For a guide containing information on Chimneys and Flues

contact:

The British Flue & Chimney Manufacturers’ Association,

FETA

2 Waltham Court

Milley Lane

Hare Hatch

Reading

Berkshire RG10 9TH

Tel: 0118 9403416 e-mail: [email protected]

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Yeoman YM-CL8HB User Manual Page 17

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