Baxi 748 Istruzioni per il montaggio

5118938/02

INSTALLER GUIDE

©Baxi Heating U.K. Limited 2006.

We trust that this guide gives

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.

THIS APPLIANCE IS FOR USE WITH

NATURAL GAS (G20).

WHEN CONVERTED USING

CONVERSION KIT NO. 0595221 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).

INSTALLER: Please leave this guide with the owner

Model 748

Inset live fuel effect gas fire

Incorporating the BAXI FIRES DIVISION CONTROL

Fitted with one of the following fascia.

CHIC, ENVY,

HERITAGE, LUXOR, OPULENT or

WESTMINSTER SLIMLINE.

(G.C. Number 32-032-61)

Supplied

TER

2-61)

manualslibra

theman

How

ry.co.uk

R, O

SLI

(including photocopying), stored in any medium by electronic means (including in any

retrieval system or database) or transmitted, in any form or by any means, whether

electronic, mechanical, recording or otherwise, without the prior written permission of

the copyright owner.

Applications for the copyright owner's permission to reproduce any part of this

publication should be made, giving details of the proposed use, to the following address:

The Company Secretary, Baxi Heating UK Limited, Pentagon House, Sir Frank Whittle

Road, Derby, DE21 4XA.

Warning: Any person who does any unauthorised act in relation to a copyright work

may be liable to criminal prosecution and civil claims for damages.

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

Safety First.

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

Standards and Safety Marks.

Quality and Excellence.

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.

Page 3

INSTALLER GUIDE

CONTENTS

Section Heading Page

1. SAFETY 5

2. APPLIANCE DATA 6

3. GENERAL INSTALLATION REQUIREMENTS 7

4. PACK CONTENTS 15

5. FIREPLACE CHECK 18

6. IGNITION CHECK 19

7. GAS SUPPLY CONNECTION 20

8. PREPARING APPLIANCE FOR INSTALLATION 20

9. HOTBOX INSTALLATION 22

10. BURNER INSTALLATION 24

10.1 Burner and supply pipe installation. 24

10.2.1 Lighting the burner. 24

10.2.2 Operating the burner. 25

10.3 Inlet pressure check. 25

10.4 Fitting the burner tray trim to the Chic model. 25

11. FITTING THE FASCIA 26

12. FITTING THE CERAMIC FUEL EFFECT 30

13. FULL OPERATING CHECKS 30

14. SPILLAGE & FLAME SUPERVISION CHECKS 31

15. FINAL REVIEW 32

16. SERVICING & PARTS REPLACEMENT 34

16.1 Checking the aeration setting of the burner. 35

16.2 To remove the ignition microswitch. 35

16.3 To remove the gas shut-off microswitch. 36

16.4 To remove the fascia. 36

16.5 To replace the slider control button. 37

16.6 To remove the burner unit. 37

16.7 To remove the electronic ignition generator. 38

16.8 To remove the thermocouple interrupter block. 38

16.9 To remove the pilot unit. 38

16.10 To remove the shut-off tap. 39

16.11 To remove the gas flow rate controller. 40

16.12 To replace the burner. 40

16.13 To remove the main burner injector. 40

16.14 To remove the appliance from the fireplace. 41

Page 4

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 this appliance is as below: -

Model Hotbox and burner assembly (kg) Fascia (kg)

Chic 5.7 4.1

Envy 5.7 3.11

Heritage 5.7 11.13

Luxor 5.7 12.5

Opulent 5.7 12.5

Westminster 5.7 8.2

!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 5

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. RCF waste is classed as a stable, non-reactive

hazardous waste and may be disposed at a landfill licensed to accept such 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 0595221

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

removing the lower hanging trim / firefront casting.

Page 6

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) 2.7kW (9,212Btu/h) 4.3kW (14,670Btu/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 Stereomatic Cat 82 - 069 Stereomatic Size 128

Pilot & Atmosphere Sensing

Device Copreci Ref. O.D.S

21500/166

Copreci Ref. O.D.S

21500/166 Fitted with RBM

180 - 02 injector

Ignition Electronic

(Battery 9V PP3) Electronic

(Battery 9V PP3)

Aeration See section 16.1 Non-adjustable

The efficiency of this appliance has been measured as specified in BS 7977 - 1 and the

result is 63 % (Gross). The gross calorific value of the fuel has been used for this

efficiency calculation. The test data from which it has been calculated has been certified

by Advantica Certification services (0087). The efficiency value may be used in the UK

Government's Standard Assessment Procedure (SAP) for energy rating of dwellings.

The conversion of net efficiency to gross was achieved by multiplying the net

efficiency by the following conversion factor from Table E3 of SAP 2005, rounding

down to the nearest whole number.

3. GENERAL INSTALLATION REQUIREMENTS

3.1 The installation must be in accordance with this guide.

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 715

BS EN 1856 Part 1

BS EN 1858 which replaces BS 1289 Part 1

BS EN 1806 which replaces BS 1289 Part 2

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 EN 1806

BS 5871 Part 2

BS 6891

Page 7

INSTALLER GUIDE

Gas Conversion factor from net to gross efficiency

Natural Gas 0.901

LPG 0.921

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,

and having a minimum effective flue height of 3m (10ft). A masonry chimney having a

correctly installed flue liner to BS EN 1856 or BS 715 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).

Page 8

INSTALLER GUIDE

Figure 1. Hearth and fireplace opening dimensions

3.2.1.1 ‘Hole-in-the-wall’ Installations

! It is recommended that a hearth should be installed as in figure 1.

! Chic, Envy, Heritage and Westminster models.

If a hearth is not 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 in the future then the distance from the base of the fireplace

opening in the wall to the floor level should be increased to at least 147mm. The

minimum shelf height will have to be taken from the base of the fireplace opening.

Luxor and Opulent models.

If a reduced depth hearth is fitted 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.

It is recommended that the reduced hearth has a depth from the fixing plane

of the fire of 100mm minimum. This is necessary to support the lower front casting.

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 in the future then the distance from the base of the

fireplace opening in the wall to the 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.

3.2.2 To a fireplace incorporating a metal

flue box conforming to BS EN 1856 Part 1 or

BS 715 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

hotbox (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 1806. 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

Page 9

INSTALLER GUIDE

Figure 2. Metal flue box

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 1806 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 1806.

A flue pipe with a minimum diameter of 127mm. See B.S 6461 Part 1 for suitable

materials. Metal flue pipes must comply with BS EN 1856 or BS 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.

3.3.3

The flue must be completely sealed so that combustion products do not come into

contact with combustible materials outside the chimney.

Page 10

INSTALLER GUIDE

Figure 3. Pre-cast fireplace

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