Arada BK545 Manuel utilisateur

Dry Stove Installation Guide

January 2014

BS EN 13240:2001 +A2:2004 CE

BK545 Rev06

Dry Stove Installation Guide

Arada Ltd

January 2014

Please carefully read through the entirety of this installation guide before

commencing installation. Should you have any questions about our stoves that

are not covered in this manual, please contact the Arada retailer in your area,

or call our technical support department on 08448 567181. You should retain

these instructions for future reference.

Arada has a policy of continuous product development and therefore we

reserve the right to amend specifications without prior notice. Due to printing

cycles, items or options may be described before they are generally available

or after they have ceased. Please check with your retailer or dealer if you are

unsure about any aspect of your stove, its installation or correct use.

Dry Stove Installation Guide

Contents

1 Warnings 1

2 Health and Safety 1

3 Installation Requirements 2

3.1 HearthsandRecesses ........................... 2

3.2 Combustible Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.3 AirforCombustion ............................. 3

4 Flue and Chimneys 4

5 Installing the Stove 6

5.1 Removingthedoor............................. 6

5.2 Removing the throat plate and liners . . . . . . . . . . . . . . . . . . 6

5.3 Assembling the grate bars . . . . . . . . . . . . . . . . . . . . . . . . 7

5.4 Fitting the spigot outlet to the stove . . . . . . . . . . . . . . . . . . . 7

5.5 Connecting the spigot outlet to the flue system . . . . . . . . . . . 7

5.6 Sealingofterminals............................. 8

5.7 Sealing the back and base of inset stoves to a fire surround . . . . 8

5.8 Fixing 5kW inset stoves to the chair brick . . . . . . . . . . . . . . . . 8

5.9 Adjusting the self-levelling feet (if applicable) . . . . . . . . . . . . . 8

5.10Fireboxlinerpanels............................. 9

6 Commissioning the stove 9

BK545 Rev06

Dry Stove Installation Guide

1 Warnings

It is a legal requirement that the installation of all new or replacement, wood

or solid fuel heating appliances must obtain Building Control approval from

your local authority. This can be done by using a qualified heating engineer,

affiliated to a government approved competent persons scheme such as

operated by HETAS.

If in doubt, contact HETAS Limited, telephone: 0845 634 5626 or visit

www.hetas.co.uk. You can also consult your local buildings inspector /

controller.

All local regulations, including those referring to National and European

standards, need to be complied with when installing the appliance.

This stove should not be installed into a chimney that serves any other heating

appliance.

Any manufacturer's instructions must not be taken as overriding statutory

requirements.

Arada Ltd will not be responsible for any consequential or incidental loss or

injury however caused.

Any further warnings in this document will be marked out in

a box such as this one. Ignoring the warnings could lead to

damage/injury to persons and/or property.

2 Health and Safety

Before any installation work is undertaken consideration must be given to the

Health and Safety at Work Act 1974. Safe working practices should be followed

at all times.

Please consult health and safety guidelines for advice on handling heavy

and/or large items.

During installation ensure that adequate precautions are taken to avoid

unnecessary risk to yourself or any householder.

The danger from the caustic nature of fire cement, should be avoided by

using these accepted methods: Wear gloves when handling fire cement. Wear

goggles when chiseling or looking up chimneys.

BK545 Rev06 1

Dry Stove Installation Guide

This stove contains no asbestos. If there is a possibility of disturbing any

asbestos in the course of the installation then please seek specialist guidance

and use appropriate protective equipment.

3 Installation Requirements

3.1 Hearths and Recesses

The stove should be installed on a surface with adequate load bearing

capacity. If the existing construction does not meet this prerequisite, suitable

measures (e.g. load distributing plate) should be taken to achieve it. Please

pay particular attention when examining existing building work for suitability to

meet the following requirements.

When installing an inset stove, hearths should have a sufficiently flat surface

to allow a good seal to the stove body to be created during its installation.

Stonework, uneven bricks etc. may need further work to ensure that this can

be achieved. Any voids behind an inset stove should be filled with vermiculite

or similar.

The stove should be installed on a non-combustible surface not less then

125mm thick (conforming to Building Regulations unless otherwise specified) of

suitable load bearing capacity and heat resistance. Allowances should be

made for the expansion and contraction of any materials which are fitted up

to and near the appliance.

Dimensions of the constructional hearth for all stoves should project at

least 500mm forward of the front of the appliance and 150mm at the sides.

The surface of the hearth should be free of combustible materials. The

superimposed hearth for all installations should project at least 225mm forward

from the front of the appliance and 150mm either side of the edge of the

appliance.

In most buildings with solid concrete or stone floors, the requirement will be

met by the floor itself, but mark the hearth to ensure floor coverings are kept

well away or use different levels to mark the hearth perimeter.

Please be aware that hot air can cause staining above the fire in a similar

fashion to walls above radiators. To help prevent this and cracking we

recommend that any plaster above the fire should be fitted with reinforcing

expanding mesh for at least 220mm above, and the full width of the fire.

You should also use a suitably heat resistant plaster which should be allowed

sufficient time to fully dry before using the stove or cracking is likely to occur.

BK545 Rev06 2

Dry Stove Installation Guide

3.2 Combustible Materials

Please view the product sheet which accompanied your stove for specific

minimum distances to combustible measurements.

Ideally, adjacent walls should be of suitable non-combustible construction,

preferably brickwork.

In large fireplaces take care that any supporting beam is protected by a

13mm sheet of heat resistant fire board spaced 12mm off the surface with

strips of non-combustible material. Make sure that there is a gap between

an un-insulated flue system and any combustible material. This gap must be

at least three times the outside diameter of the flue pipe, or 1.5X the flue

diameter to non combustible surfaces. Please consult the flue manufacturers

specification for insulated flues.

3.3 Air for Combustion

All stoves require ventilation to burn safely and correctly. There are a number

of requirements that need to be met when installing a stove, for example,

allowing for the permeability of the house (air permeability is the general

seepage of air into the house via air vents, doors and windows etc.)

There must always be a permanent means of providing air for combustion

into the room in which the stove is installed. Air starvation will result in poor flue

draw and may cause smoke to leak into the room.

For all installations it is recommended that a permanent vent with a total free

area of at least 550mm2for every kW above 5kW should be connected directly

to the outside air. Installations in properties built after 2008 should have their vent

increased by a further 330mm2for each of the the first 5kW. Alternatively this air

can be supplied through an external wall of an adjacent room, which itself has

to be connected to the room the appliance is installed by a permanent vent

of the same size.

Note: If the appliance is fitted with a draught stabiliser (or if one is fitted to the

flue pipe or chimney in the same room as the appliance) then the permanent

air entry opening (or openings) should be increased by 300mm2for each kW

of rated output up to 5kW and an additional 850mm2for each kW output over

5kW.

If there is more than one appliance in the property then each appliance

must be supplied with adequate combustion air so that all appliances can be

lit simultaneously.

BK545 Rev06 3

Dry Stove Installation Guide

The positioning of any air vent must be so that it cannot be liable to blockage

or obstruction. Ideally it should also be positioned where it is unlikely to cause

a cold draught. It should not be positioned in the fireplace recess.

The fitting of an extractor fan in the same room as the stove,

or an adjacent room is not permitted. A spillage test will be

required to determine how any extractor fans may affect the

required size of ventilation requirements.

For more detailed guidelines on required ventilation sizes please refer to the

HETAS Guide which can be found on the HETAS website.

If you plan to use an external air supply on a suitable stove, and have bought

the appropriate Arada External Air Supply Kit, please refer to the instructions

included with the kit on how to install it.

The accompanying stove technical product sheet states whether or not your

appliance is compatible with a Direct Air Supply Kit.

4 Flue and Chimneys

The stove must be connected to a suitable and efficient flue so that products

of combustion (fumes) from the stove are expelled to the outside air. Please

remember that chimney draught is dependent on four main factors :

•Flue gas temperature

•Flue height

•Flue size

•Flue terminal

To ensure a good up draught it is important that the flue gases are kept warm

and that the flue size suits the stove. The termination of the outlet at the top of

the flue also needs to comply with Building Regulations. The minimum effective

height of the flue must be at least 4.5 metres from the top of the stove to the

top of the flue outlet. When warm the flue draught should be between 0.1 to

0.2 mb.

The draw of a chimney / flue can vary in different weather conditions and

the customer should be made aware of this.

Failure to correct an over-drawing flue will invalidate the warranty.

BK545 Rev06 4

Dry Stove Installation Guide

A chimney may comply with regulations but could still be subject to down

draught and similar problems. A chimney terminating above the ridge level is

generally less likely to suffer such problems.

If a new chimney is being provided it should fully comply with the relevant

Building Regulations that specify the requirements for solid fuel burning

installations. Suitable types of chimney include the following :

•Masonry Chimney : Built with clay or concrete liners, or a chimney block

system meeting Building Regulations. These types of chimneys should

be installed in accordance with the Building Regulations and BS EN

15287-1:2007.

•Factory Made Insulated Chimney : Complying with BS 4543:Part 2 (often

called Class 1 prefabricated metal chimney). These types of chimneys

should be installed in accordance with Building Regulations and BS EN

15287-1:2007.

Due to the gradual introduction of European Chimney Standards chimneys

will be specified according to their performance designation as defined in BS

EN 1443 that covers the General Requirements for chimneys. The minimum

performance designation required for use with solid fuel burning stoves is T450

N2 S D3.

The flue and chimney installation must be carefully checked by a competent

person before fitting the stove to ensure it is suitable and will work safely.

If the chimney is old (i.e: built of brick or stone without a liner) or being opened

up for reuse additional checks and smoke testing as described in Appendix E

of the Approved Document J 2010 Edition should also be carried out to ensure

the flue and chimney are in good operating condition.

Check the existing flue is in good condition with suitable access for collection

and removal of debris.

It is also important that suitable flue pipe (recommended at least 600mm in

length) complying with the Building Regulations is used to connect the stove to

the flue in the chimney. Suitable access should be provided into the flue for

regular inspection and sweeping of the flue ways.

The installer should comply with Building Regulations requirements in respect

of providing a Notice Plate giving details on the chimney, flue lining, hearth and

fireplace installation.

BK545 Rev06 5

Dry Stove Installation Guide

Chimneys should be as straight as possible. Horizontal runs should be

avoided except where the rear outlet of the appliance is used, in which case

the horizontal section should not exceed 150mm in length. If necessary a

combination of 45° and 90° bends can be used as long as the sum of their

angles is not greater then 180° in total. i.e four 45° bends, or two 45° and a 90°

bend.

If the stove appears to be working hard but produces very little output to

the room it is likely that excess draw is present in the chimney, and that heat is

being sucked out of the appliance and up the chimney. If this is the case we

recommend the fitting of a draught stabiliser in preference to a flue damper,

in the interest of safety and efficiency.

5 Installing the Stove

To make the stove easier to manoeuvre (and safer) we recommend you

remove the following parts which can then be refitted when the stove is in its

final position:

•Grate Bars

•Liners

•Door (To help prevent the glass from breaking)

•Operating Tool

•Ash pan

•Throat Plate

5.1 Removing the door

Open the door so that it’s perpendicular to the stove body and then carefully

lift the stove door upwards off its hinges. To replace the door reverse the

instructions above.

5.2 Removing the throat plate and liners

The throat plate rests on liners and (in some models) a tertiary air bar.

With the fire door removed or open push up on the throat plate with the palm

of one hand. With the other, remove the side liners and then lower the throat

plate forward. It is easier to lower one side of the throat plate first to help remove

it from its position and to allow it to fit through the opening of the stove. Once

the throat plate has been removed you can also remove the rear liner(s).

BK545 Rev06 6

Dry Stove Installation Guide

To replace the liners/throat plate follow the steps above in reverse.

5.3 Assembling the grate bars

In a multi fuel stove the grate comprises of a series of cast iron grate bars,

seated on a pair of combs. All bars in the grate are identical.

Figure1: Flexfuel Grate Bars shown seated on their comb outside the stove.

In stoves with a riddling grate system the bars should be seated with every

other bar rotated 180 degrees, so the ends marked 'H' and 'L' alternate on each

comb. When assembling the grate, fit bars to the low sections of the comb first

by seating the ends marked 'L' onto the low part of the comb, whilst the ends

marked 'H' should then be seated on the high sections.

In stoves with non-riddling grate systems the grate is assembled with the ends

of the bars marked 'H' sitting on the front comb, and the ends marked 'L' sitting

on the rear comb.

5.4 Fitting the spigot outlet to the stove

The flue outlet spigot is found packed inside the appliance. The hot plate is

supplied fitted to the top opening and is removed by turning clockwise.

Smear a very thin layer of fire cement on the mating faces of the flue outlet

and the hot plate. Fit the outlet to the appliance in the desired position.

5.5 Connecting the spigot outlet to the flue system

The flue pipe must be fitted inside the outlet spigot as shown in Figure 2 on

the following page. Failure to do so could result in the spillage of condensation

running down the flue.

BK545 Rev06 7

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