Baxi Fires Division 941 Assembly instructions

© Baxi Heating U.K. Limited 2007.
5118782/02
Model941
INSET LIVE FUEL EFFECT GAS FIRE
Fitted with one of the following fascia.
Anthem, Blenheim, Bolero,
Camden, Minima, Prelude, Seattle,
Sonnet, Victorianor
Westminsterfascia
(GC No. 32-811-21)
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 [phone] (National
call rates apply in the United
Kingdom).
In the Republic of Ireland
Telephone [phone].
THIS APPLIANCE IS FOR USE WITH
NATURAL GAS (G20).
WHEN CONVERTED USING
CONVERSION KIT NO. 0595211
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
INSTALLER GUIDE

© Baxi Heating U.K. Limited 2007.
All rights reserved. No part of this publication may be reproduced in any material form
(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
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© Baxi Heating U.K. Limited 2007.

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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.
© Baxi Heating U.K. Limited 2007.

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INSTALLER GUIDE
© Baxi Heating U.K. Limited 2007.
CONTENTS
Section Heading Page
1. SAFETY 5
2. APPLIANCE DATA 6
3. GENERAL INSTALLATION REQUIREMENTS 7
4. PACK CONTENTS 15
5. FIREPLACE CHECK 19
6. IGNITION CHECK 21
7. GAS SUPPLY CONNECTION 21
8. PREPARING APPLIANCE FOR INSTALLATION 22
9. HOTBOX INSTALLATION 24
9.1 Method 1 - Front fixing to fireplace surround. 24
9.2 Method 2 - Cable retention and floor fixing. 24
9.3 Sealing floor front 26
10. BURNER & SUPPLY PIPE INSTALLATION 27
10.1 Burner and supply pipe installation. 27
10.2 Preliminary burner checks. 27
10.3 Inlet pressure check. 28
11. CERAMIC WALLS INSTALLATION 28
12. FITTING THE FASCIA 29
13. FITTING THE CERAMIC FUEL EFFECT 31
14. FITTING THE FIREFRONT 31
15. FULL OPERATING CHECKS 33
15.1 Check the control settings. 33
15.2 Check for spillage. 34
15.3 Flame supervision and spillage monitoring system. 34
16. FINAL REVIEW 35
17. SERVICING & PARTS REPLACEMENT 36
17.1 Checking the aeration setting of the burner. 37
17.2 To remove the Westminster and Bolero fascia. 37
17.3 To remove the Victorian fascia. 37
17.4 To remove the Anthem, Blenheim, Camden, Minima and Sonnet fascia. 38
17.5 To remove the complete burner unit. 38
17.6 To remove the pilot unit. 38
17.7 To remove the gas valve. 39
17.8 To remove the piezo generator. 39
17.9 To grease the control tap. 39
17.10 To replace the burner. 40
17.11 To remove the main burner injector. 40
17.12 To remove the appliance from the fireplace. 40

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 Heat Engine (kg) Fascia / Firefront (kg)
Combined Weight (kg)
Anthem 4.9 2.01 6.91
Blenheim 4.9 3.86 8.76
Bolero 4.9 13.35 18.25
Camden 4.9 0.71 5.61
Minima 4.9 1.16 6.06
Prelude 4.9 3.75 8.74
Seattle 4.9 0.71 5.61
Sonnet 4.9 3.86 8.76
Victorian 4.9 5.23 10.13
Westminster 4.9 9.56 14.46
!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.
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© Baxi Heating U.K. Limited 2007.

2. APPLIANCE DATA
The efficiency of this appliance has been measured as specified in BS 7977 - 1 and the
result is as below :
Model
Efficiency % (Gross)
941 55
941 when converted to LPG. 53
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 convertion 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.
This product uses fuel effect pieces and burner compartment walls 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.
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© Baxi Heating U.K. Limited 2007.
Gas Conversion factor from net to gross efficiency
Natural Gas 0.901
LPG 0.921

*When converted using kit 0595211.
The appliance data label is located on a plate at the base of the fire. This can be seen by
removing the firefront casting / firefront.
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 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
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© Baxi Heating U.K. Limited 2007.
Gas Natural (G20) Propane (G31) *
Inlet Pressure 20mbar 37mbar
Input - Max. (Gross) 6.8kW (23,400 Btu/h) 6.7kW (22,860 Btu/h)
Input - Min. (Gross) 2.3kW (7,850 Btu/h) 4.0kW (13,650 Btu/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 - 074 Stereomatic Size 132
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 Integral piezo (Mounted on
gas valve)
Integral piezo (Mounted on
gas valve)
Aeration See section 17.1 Non-adjustable

BS 5440 Part 1
BS 5440 Part 2
BS 6461 Part 1
BS 1251
BS EN 1806
BS 5871 Part 2
BS 6891
BS 8303
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
also conform to the relevant parts of:
a) The current edition of IS 813 “Domestic Gas Installations”
b) All relevant national and local rules in force.
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,
the appliance can be
installed in the following
situations: -
3.2.1 To a fireplace
complete with surround
and hearth as shown in
figure 1 and complying
with BS1251 after
removal of the fireback
and sufficient material
behind the fireback for a
debris catchment space.
The required fireplace,
hearth, debris catchment
area and clearance
dimensions are shown in
figure 1.
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© Baxi Heating U.K. Limited 2007.
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 section 3.9 (See figure 1).
!
If a hearth is not fitted or 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 100mm. 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 175mm.
!
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 672mm 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
complying with the
constructional requirements of
the current edition of BS EN
1856 Part 1. The dimensions of
the flue box must conform to
those shown in figure 2.
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© Baxi Heating U.K. Limited 2007.
Figure 2. Metal flue box dimensions

3.2.3 To a precast concrete or
clay flue block system
conforming to BS1289 or BS
EN 1806 with dimensions as in
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 Suitable flues and minimum flue sizes are as follows: -
It should be noted that, as with many appliances, sharp bends or horizontal runs in
metal flues at the top of the system can be a cause of problems in these types of
installation.
! 225mm x 225mm conventional brick flue.
! 175mm diameter lined brick or stone flue.
! 200mm diameter factory made insulated flue manufactured to BS4543.
! 175mm diameter flue pipe. See BS6461 Part 1 for suitable materials.
! Single wall, twin wall or flexible flue liner with a minimum diameter of 125mm.
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© Baxi Heating U.K. Limited 2007.
Figure 3.Precast or clay flue block system

The materials to be used are stainless steel or aluminium as specified in BS EN 1856
Part 1 or BS715. 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 concrete or clay flue system conforming to BS1289
or BS EN 1806. This system is only suitable if the conditions stated in section 3.2.3 are
met.
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 damper or restrictor should be removed. If removal is not possible,
they must be secured in the open position.
3.7
If the appliance is intended to be installed to a chimney that 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 surface of the hearth must be sufficiently flat to enable the bottom of the front
surround and the bottom front cover to be aligned horizontally. Any excessive
unevenness (uneven tiles, Cotswold stone, etc.) should be rectified. The appliance must
not stand on combustible materials or carpets.
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.
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3.11
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 = 760mm.
• For a shelf deeper than 150mm: 760mm + 12.5mm for every 25mm depth over
150mm (See Graph 1).
3.12 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.
3.13
This appliance must not be installed in any room that contains a bath or shower or
where steam is regularly present.
3.14
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.
3.15 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
in IE reference should be made to the current edition of IS 813 “Domestic Gas
Installations” which makes clear the conditions that must be met to demonstrate that
sufficient ventilation is available.
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© Baxi Heating U.K. Limited 2007.
Graph 1. Combustible shelf clearances.

3.16
Propane gas appliances must not be installed in a room that is built entirely below
ground level (See BS 5871 Part 2).
3.17 If the appliance is to be fitted against a
wall with combustible cladding, the cladding
must be removed from the area covered by the
fascia. The cladding must also not touch the
fascia (See figure 4). We suggest that the fascia
is used as a template to mark the area for
combustible cladding removal and that this
area is increased by at least 2mm all round.
3.18 Proprietary terminals must comply with
BS 715 or BS 1289. Any terminal or
termination must be positioned in accordance
with BS 5440 Part 1 to ensure that the products
of combustion can be safely dispersed into the
outside atmosphere. Where the appliance is
connected to an unlined brick chimney it is
generally unnecessary for the chimney pot to
be replaced or for a terminal to be fitted unless
the flue has a diameter smaller than 170mm.
3.19 The appliance is fitted with an A.S.D (Atmosphere sensing device). If the
appliance closes down after a period of operation for no apparent reason, the consumer
should be informed to stop using the appliance until the installation and appliance have
been thoroughly checked. The A.S.D will shut the appliance down if an unacceptable
amount of harmful products of combustion accumulate. Under no circumstances should
the A.S.D be altered or bypassed in any way. Only a genuine manufacturers replacement
part should be fitted. The individual A.S.D components are not replaceable.
3.20
A fireguard complying with BS 8423 should be fitted for the protection of young
children, the elderly, the infirm or pets.
3.21 The minimum allowable distance from the outside of the appliance fascia to a
corner wall having combustible material or any other combustible surface which
projects beyond the front of the appliance is shown in figure 5.
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© Baxi Heating U.K. Limited 2007.
Figure 4. Removal of combustible
cladding (Fascia may differ from that
shown).

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© Baxi Heating U.K. Limited 2007.
Figure 5. Appliance dimensions and clearances (Dimensions are subject to
manufacturing deviation. Fascia may differ from that shown).
Key
AB C DE
Model Height
(mm) Width (mm)
Depth
into
room
(mm)
Minimum
mandatory
clearance to
combustible
surfaces projecting
beyond the front of
appliance (mm).
Recommended
clearance to non-
combustible
surfaces
for access purposes
(mm).
Blenheim &
Sonnet 599 492 65 125 10
Anthem,
Camden &
Seattle 599 492 71 125 10
Prelude 599 492 76 125 10
Minima 599 492 75 125 10
Bolero 636 518 94 100 10
Westminster 605 500 50 100 10
Victorian 612 515 70 100 10

4. PACK CONTENTS
The items required for this appliance are packed in two sections.
Remove all the items carefully to prevent damage. Take special care when handling the
ceramic components. Some items may be contained in the packaging fitments -
Examine the packaging carefully before discarding. Check that all the items are present
and undamaged.
Items below with a letter reference are supplied on a film wrapped card.
Section 1 - Fire Unit contains:
(See figure 6).
1Burner and hotbox unit.
2‘A’ Small “U” seals for hotbox side flanges.
9‘B’ screws (No. 8 x 10).
2‘C’ screws (M4 x 10).
2‘D’ washers (For fascia hanging Bolero).
2‘E’ screws (M4 x 25) (For fascia hanging on Bolero and Westminster only).
6‘F’ Wall fixing plugs.
1‘G’ Inlet elbow including pressure test point, nut and olive.
4‘H’ Woodscrews
1‘K’ Grommet.
2‘L’ Cable adjusters.
4‘M’ Eyescrews.
1Burner front baffle (Supplied with all models but required on Blenheim, Bolero,
Camden, Seattle, Prelude, Sonnet and Victorian models only).
1Flue restrictor plate.
1Ceramic back wall.
1 Pair of ceramic side walls.
1Ceramic fuel effect pack.
1Strip of floor sealing tape.
2Fire retaining cables.
1Smoke match tube.
1Rear ceramic wall support bracket.
1Length of self adhesive foam seal.
1Literature pack.
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Figure 6. Pack contents

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Section 2 - Bolero:
1Fascia
1Firefront casting
1Bottom front cover casting.
Figure 6. Pack contents continued.
Section 2 - Anthem & Prelude:
1Fascia trim pack (Contains three
separate pieces and six magnets)
1Firefront casting
1Bottom front cover casting.
Section 2 - Sonnet and Blenheim:
1Fascia trim pack (Contains three
separate pieces and six magnets)
1Firefront casting
1Bottom front cover casting.
Section 2 - Victorian:
1Fascia
1Firefront casting
2Finials
1Bottom front cover casting
1
Spillage plate cover and four magnets
Section 2 - Camden, Seattle & Minima:
1Fascia trim pack (Contains three
separate pieces and six magnets)
1Firefront
Section 2 - Westminster:
1Fascia
1Firefront casting
1Bottom front cover casting

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Figure 6. Pack contents continued.

5. FIREPLACE CHECK
5.1 Fireplace check.
5.1.1 Fireplace size
The fireplace must comply
with the requirements
described in section 3.2.
This will probably entail
removing the fireback and
infill material behind the
fireback. The debris
catchment area shown in
figure 7 must be kept clear
of obstructions.
5.1.2 Fireplace general
condition
The fireplace floor should
be reasonably flat to ensure
that the hotbox can be
installed without it rocking and so that a good seal can be made at the bottom front of
the box. 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
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© Baxi Heating U.K. Limited 2007.
Figure 7. Fireplace area.
Figure 6. Pack contents continued.

made good if necessary. If the appliance is to be fitted against a wall with combustible
cladding, the cladding must be removed from the area covered by the fascia. The
cladding must also not touch the fascia (See figure 4). We suggest that the fascia is used
as a template to mark the area for combustible cladding removal and that this area is
increased by at least 2mm all round.
5.1.3 Soundness for appliance attachment
Two primary methods of retaining the appliance are provided: -
1) By fixing to the fireplace front surround.
2)
Using concealed tension cables fixed to the rear of the fireplace opening together
with secondary fixing to the fireplace floor.
The methods are detailed in section 9 of this guide. Before selecting the retention
method, consult with the customer. Method 2 is provided for instances where drilling
holes in the front surface of the fireplace surround is unacceptable to the customer or
otherwise impractical. N.B. It is unwise to attempt to drill into marble without the
proper tools and equipment.
If method 1 is chosen, make sure that the front surround area is sound enough to take
the wall plugs and wood screws . If necessary, make sound with a suitable cement.
If method 2 is chosen, make sure that the areas at the back and towards the centre of the
fireplace floor are sound enough to take the eyescrews and wood screws . If these areas
have deteriorated due to prolonged use, they should be made sound with a suitable
cement.
5.1.4 Installations using a metal flue box
The whole of the top surface of the metal flue box must be covered with a minimum
100mm layer of mineral wool or equivalent insulation (See figure 2).
5.2 Fireplace flue pull.
Close all doors and windows in the room in which the appliance is to be installed. After
confirming with a match that smoke is drawn into the flue, light a 13 gram smoke pellet
and check that there is a definite flow through the flue. Verify outside that the smoke
exits from one terminal only and that the termination is suitable. Observe, where
possible, upstairs rooms and loft spaces for signs of escaping smoke indicating a
defective flue. If there is not a definite flow warm the flue for a few minutes and repeat
the smoke pellet test. If there is still no definite flow the flue may need remedial work –
Do not fit the appliance until there is a definite flow through the flue.
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© Baxi Heating U.K. Limited 2007.