Baxi 946 Instructions de montage

5115503/01

INSTALLER GUIDE

We trust that these instructions give sufficient details to enable this appliance to be

installed and maintained satisfactorily. However, if further information is required, our

Baxi Fires Division Technical Helpline will be pleased to help.

Telephone 08706 061 065 (National call rates apply in the United Kingdom).

In the Republic of Ireland telephone 0044 8706 061 065.

INSTALLER: Please leave this guide with the owner

THIS APPLIANCE IS FOR USE WITH NATURAL GAS (G20).

WHEN CONVERTED USING CONVERSION KIT NO. 0595231 THIS

APPLIANCE IS FOR USE WITH PROPANE GAS (G31).

THIS APPLIANCE IS SUITABLE ONLY FOR INSTALLATION IN THE UNITED

KINGDOM (GB) AND THE REPUBLIC OF IRELAND (IE).

Model 946

fitted with

Anthem,

Aura 2, Blenheim, Camden,

Coast, Debut, Fusion,

Homeflame Traditional, Minima,

Sonnet

Quantum fascia.

INSET LIVE FUEL EFFECT GAS FIRE

(GC No. 32-032-63)

Safety First.

Baxi Fires Division fires are CE Approved and designed to meet the appropriate British

Standards and Safety Marks.

Quality and Excellence.

At the heart of every Baxi Fires Division fire.

All Baxi Fires Division fires are manufactured to the highest standards of quality and

excellence and are manufactured under a BS EN ISO 9001 quality system accepted by

the British Standards Institute.

The Highest Standards

Baxi Fires Division is a member of the Society of British Gas Industries which works to

ensure high standards of safety, quality and performance.

Careful Installation

Baxi Fires Division is a CORGI registered company. All our gas fires must be

installed by a competent CORGI Registered Installer in accordance

with our Installer Guide and should not be fitted directly on to a

carpet or floor of combustible material.

Baxi Fires Division, Erdington, Birmingham B24 9QP

www.firesandstoves.co.uk

Because our policy is one of constant development and improvement, details may vary slightly from those

given in this publication

Page 2

INSTALLER GUIDE

CONTENTS

Section Heading Page

1. SAFETY 4

2. APPLIANCE DATA 5

3. GENERAL INSTALLATION REQUIREMENTS 6

4. PACK CONTENTS 14

5. FIREPLACE CHECK 16

6. IGNITION CHECK 17

7. GAS SUPPLY CONNECTION 17

8. PREPARING APPLIANCE FOR INSTALLATION 18

8.1 Appliance preparation. 18

8.2 Fitting the ‘push on’ fascia trim for the Blenheim,

Sonnet, Homeflame Traditional, Anthem, Debut, Aura 2 & Minima models. 18

8.3 Fitting the foam seal (All models). 18

8.4 The flue restrictor. 19

8.5 Fitting the Quantum fascia hanging bracket. 19

9. HOTBOX INSTALLATION 20

10. BURNER INSTALLATION 22

10.2.1 Lighting the burner. 23

10.2.2 Operating the burner. 23

10.3 Inlet pressure check. 23

10.4 Fitting the burner tray trim 24

11. CERAMIC COALS INSTALLATION 24

12. CERAMIC PEBBLES INSTALLATION 28

13. FULL OPERATING CHECKS 32

14. FASCIA AND FIREFRONT INSTALLATION 33

15. SPILLAGE AND FLAME SUPERVISION CHECKS 36

16. FINAL REVIEW 38

17. SERVICING AND PARTS REPLACEMENT 39

17.1 Checking the aeration setting of the burner. 40

17.2 To remove the burner unit. 40

17.3 To remove the pilot unit. 41

17.4 To remove the gas valve. 41

17.5 To replace the burner. 42

17.6 To remove the main burner injector. 42

17.7 To remove the appliance from the fireplace. 42

17.8 To remove the Anthem, Aura 2, Debut, Blenheim,

Homeflame Traditional, Minima and Sonnet fascia. 42

17.9 To remove the Quantum fascia. 43

17.10 To remove the Camden, Fusion and Coast fascia. 43

Page 3

INSTALLER GUIDE

1. SAFETY

Installer

Before continuing any further with the installation of this appliance please read the

following guide to manual handling:

!The lifting weight of the appliance heat engine and hotbox is

4.4 kg. This does not

include fascia or ceramics.

!One person should be sufficient to lift the fire. If for any reason this weight is

considered too heavy then obtain assistance.

When lifting always keep your back straight. Bend your legs and not your back.

!Avoid twisting at the waist. It is better to reposition your feet.

!Avoid upper body/top heavy bending. Do not lean forward or sideways whilst

handling the fire.

Always grip with the palm of the hand. Do not use the tips of fingers for support.

!Always keep the fire as close to the body as possible. This will minimise the

cantilever action.

!Use gloves to provide additional grip.

!Always use assistance if required.

Page 4

INSTALLER GUIDE

2. APPLIANCE DATA

This product uses fuel effect pieces and a burner compartment rear wall

containing Refractory Ceramic Fibres (RCF), which are man-made vitreous

silicate fibres. Excessive exposure to these materials may cause irritation to eyes,

skin and respiratory tract. Consequently, it is important to take care when

handling these articles to ensure that the release of dust is kept to a minimum. To

ensure that the release of fibres from these RCF articles is kept to a minimum,

during installation and servicing we recommend that you use a HEPA filtered

vacuum to remove any dust and soot accumulated in and around the fire before

and after working on the fire. When replacing these articles we recommend that

the replaced items are not broken up, but are sealed within a heavy duty polythene

bag, clearly labelled as RCF waste. This is not classified as “hazardous waste” and

may be disposed of at a tipping site licensed for the disposal of industrial waste.

Protective clothing is not required when handling these articles, but we recommend

you follow the normal hygiene rules of not smoking, eating or drinking in the work

area and always wash your hands before eating or drinking.

This appliance does not contain any component manufactured from asbestos or

asbestos related products.

* When converted using Kit 0595231.

The appliance data label is located on a plate at the base of the fire. This can be seen by

removing the firefront casting set / firefront.

Page 5

INSTALLER GUIDE

Gas Natural (G20) Propane (G31) *

Inlet Pressure 20mbar 37mbar

Input - Max. (Gross) 6.0kW (20,500Btu/h) 6.1kW (20,800Btu/h)

Input - Min. (Gross) 2.3kW (7,850Btu/h) 3.8kW (12,965Btu/h)

Inlet Test Pressure (Cold) 20.0 ± 1.0mbar (8.0 ± 0.4in

w.g.)

37.0 ± 1.0 mbar (14.85 ±

0.4in w.g.)

Gas Connection 8mm pipe 8mm pipe

Burner Injector SU - 074 Stereomatic size 128

Pilot & Atmosphere Sensing

Device SU 028 SU 020

Ignition Piezo Electric. Integral with

Gas Tap

Piezo Electric. Integral with

Gas Tap

Aeration See section 17.1 Non-adjustable

3. GENERAL INSTALLATION REQUIREMENTS

3.1 The installation must be in accordance with these instructions.

For the user’s protection, in the United Kingdom it is the law that all gas appliances are

installed by competent persons in accordance with the current edition of the Gas Safety

(Installation and Use) Regulations. Failure to install the appliance correctly could lead

to prosecution. The Council for the Registration of Gas Installers (CORGI) requires its

members to work to recognised standards.

In the United Kingdom the installation must also be in accordance with:

All the relevant parts of local regulations.

All relevant codes of practice.

The relevant parts of the current editions of the following British Standards: -

BS EN 1856 Part 1 which replaces BS 715

BS EN 1858 which replaces BS 1289 Part 1

BS EN 1806

BS EN 1856 Part 1 which replaces BS 4543 Part 2

BS 5440 Part 1

BS 5440 Part 2

BS 6461 Part 1

BS 1251

BS 5871 Part 1

BS 6891

In England and Wales, the current edition of the Building Regulations issued by the

Department of the Environment and the Welsh Office.

In Scotland, the current edition of the Building Standards (Scotland) Regulations issued

by the Scottish Executive.

In Northern Ireland, the current edition of the Building regulations (Northern Ireland)

issued by the Department of the Environment for Northern Ireland.

In the republic of Ireland the installation must be carried out by a competent person and

installed in accordance with:

a) The current edition of IS 813 “Domestic gas installations”.

b) All relevant national and local rules in force.

c) The current building regulations

Where no specific instructions are given, reference should be made to the relevant

British Standard Code of Practice.

3.2 In the United Kingdom, as supplied, this appliance can be installed in the

following situations: -

3.2.1 A masonry chimney with a minimum diameter of 175mm (7”) free from any

obstruction, and with any damper or restrictor plate in the chimney removed or secured,

Page 6

INSTALLER GUIDE

and having a minimum

effective flue height of

3m (10ft). A masonry

chimney having a

correctly installed flue

liner to BS EN 1856 Part

1 or BS715 and with a

minimum flue diameter

of 125mm is also

acceptable. Chair brick

removal may not be

required providing at

least 50mm clearance is

available from the flue

outlet to any fireplace

component. The

appliance is designed to

cater for low lintel

installations (min height

505mm) providing a minimum distance of 25mm is maintained between the lintel and

the front face of the fireplace (i.e. 25mm rebated fire surround).

3.2.1.1 ‘Hole-in-the-wall’ Installations

It is recommended that a hearth should be installed as in section 3.9 (See figure 1).

If a reduced depth hearth is fitted, the fire must be installed so that the distance from

the base of the fireplace opening in the wall to the finished floor level is at least 72mm.

Where there is no floor covering or carpet and the floor is of a type that is likely to be

covered in such a way then the distance from the base of the fireplace opening in the

wall to the finished floor level should be increased to at least 147mm.

To protect from the risk of burns and ignition of clothing a tactile separator shall be

used. The hearth detailed in section 3.9 meets the requirements for a tactile separator. If

this is not used then a 625mm long fender, kerb, horizontal bar, or other barrier, being

fixed not less than 50mm above floor level and positioned 300mm in front of the fixing

plane of the fire will meet the requirement.

! If the lower part of the fascia (the firefront) is free standing, the recommended

reduced hearth depth is 100mm. This is necessary to support the firefront (See figure 5

for appliance dimensions).

3.2.2

To a fireplace incorporating a metal flue box conforming to BS EN 1856 Part 1 or

BS715 with a minimum internal depth of 150mm. Incombustible mineral wool

insulation of not less than 50mm thickness must be applied to the top surface of the

Page 7

INSTALLER GUIDE

Figure 1. Hearth and fireplace opening dimensions

See Section 3.14

firebox (See figure 2) and it must stand on a

non-combustible hearth (See figure 1).

3.2.3 To a fireplace that has a precast

concrete or clay flue block system

conforming to BS1289 or BS EN 1858. The

appliance is suitable for installations

conforming to older versions of BS1289 as

well as the current edition. The flue blocks

must have a minimum width not less than

63mm and a cross-sectional area not less than

13,000mm2.Older editions of BS1289

required a cross-sectional area of 13,000mm2.

The current revision of the standard requires

16,500mm2. This appliance is suitable in both

cases. The total depth of the opening

measured from the finished front of the

fireplace (Including plaster, surround etc.)

must be not less than 120mm (See figure 3).

The current versions of BS1289 and BS EN 1858 recommend that there should be an air

space or insulation between the flue blocks and the plaster because heat transfer may

cause cracking on directly plastered flues. However, generally this appliance is suitable

for installations under all circumstances unless there is a history of cracking problems.

Remember that faults such as cracking may be caused by poorly built and restrictive

flues, e.g. mortar extrusions, too many bends, flue heights below three metres,

restrictive terminations, etc.

3.2.4 If the fireplace opening is greater than the acceptable dimensions given in this

guide, do not use the back of a fire surround or marble to reduce the opening. This may

cause cracking of the surround back or marble.

3.3 The following flues are suitable:

! 225mm x 225mm conventional brick flue.

If a flue liner is used, it must be a minimum of 125mm diameter. 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.

! A properly constructed precast flue conforming to B.S 1289 or BS EN 1858.

! A flue pipe with a minimum diameter of 127

mm. See B.S 6461 Part 1 for suitable

materials. Metal flue pipes must comply with BS EN 1856 Part 1 or B.S 715.

3.3.1 The minimum effective height of the flue must be 3m.

3.3.2 The flue must be clear of any obstruction and its base must be clear of debris.

Page 8

INSTALLER GUIDE

Figure 2. Metal flue box

3.3.3 The flue must be completely sealed

so that combustion products do not come

into contact with combustible materials

outside the chimney.

3.3.4 The flue must serve only one

fireplace.

3.4 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.

3.5 The flue must not be used for any

other appliance or application.

3.6 Any chimney dampers or

restrictors should be removed. If

removal is not possible they must be

fixed in the open position.

3.7 If the appliance is intended to be

installed to a chimney, which was previously used for solid fuel, the flue must be swept

clean prior to installation. All flues should be inspected for soundness and freedom

from blockages.

3.8 If the fireplace opening is an underfloor draught type, it must be sealed to stop

any draughts.

3.9 The appliance must be mounted behind a non-combustible hearth (N.B.

conglomerate marble hearths are considered as non-combustible) unless the conditions

of section 3.2.1.1 are met. The appliance can be fitted to a purpose made proprietary

class “O”-150°C surround. The hearth material must be at least 12mm thick. The

periphery of the hearth (or fender) should be at least 50mm above floor level to

discourage the placing of carpets or rugs over it.

The appliance must not stand on combustible materials or carpets (See figure 1).

Page 9

INSTALLER GUIDE

Figure 3. Pre-cast fireplace

3.10

The front face of the fireplace should be reasonably flat over the area covered by

the hotbox top and side flange seals to ensure good sealing. These faces should be made

good if necessary. The fireplace floor should be reasonably flat to ensure that a good

seal with the hotbox can be made.

3.11 Note that soft wall coverings (e.g. embossed vinyl, etc.) are easily affected by

heat. They may scorch or become discoloured when close to a heating appliance. Please

bear this in mind when installing.

3.12

The appliance must not be installed in any room, which contains a bath, or shower

or where steam is regularly present.

3.13

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.

3.14

The minimum height from the base of the fireplace opening to the underside of

any shelf made from wood or other combustible materials is detailed below.

• For a shelf up to 150mm deep: Minimum height = 750mm.

• For a shelf deeper than 150mm: 750mm + 12.5mm for every 25mm depth over

150mm (See Graph 1).

3.15 Normal adventitious ventilation is usually sufficient to satisfy the ventilation

requirements of this appliance. In GB reference should be made to BS 5871 Part 2 and

Page 10

INSTALLER GUIDE

Graph 1. Combustible shelf clearances

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