Baxi Fires Division 956 Assembly instructions

5118756/03
© Baxi Heating U.K. Limited 2007.
Model956
INSET LIVE FUEL EFFECT GAS FIRE
Fitted with one of the following fascia.
Anthem,
Aura 2, Blenheim, Bolero,
Camden, Capri, Coast, Contemporary,
Debut, Flare, Form, Fusion,
Homeflame Slimline, Minima, Mirage,
Modern, Prelude, Seattle, Sonnet,
Traditional, Quantumor Urbanfascia.
(GC No. 32-811-47)
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. 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
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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INSTALLER GUIDE
© Baxi Heating U.K. Limited 2007.

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.
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© Baxi Heating U.K. Limited 2007.

CONTENTS
Section Heading Page
1. SAFETY 5
2. APPLIANCE DATA 5
3. GENERAL INSTALLATION REQUIREMENTS 7
4. PACK CONTENTS 16
5. FIREPLACE CHECK 18
6. IGNITION CHECK 20
7. GAS SUPPLY CONNECTION 20
8. PREPARING APPLIANCE FOR INSTALLATION 21
8.3 The flue restrictor. 21
9. HOTBOX INSTALLATION 22
10. BURNER INSTALLATION 25
10.2.1 Lighting the burner. 25
10.2.2 Operating the burner. 26
10.3 Inlet pressure check. 26
11. FULL OPERATING CHECKS 27
12. FASCIA AND FIREFRONT INSTALLATION 28
13. SPILLAGE AND FLAME SUPERVISION CHECKS 32
14. FINAL REVIEW 34
15. SERVICING AND PARTS REPLACEMENT 35
15.1 Checking the aeration setting of the burner. 36
15.2 To remove the burner unit. 36
15.3 To remove the pilot unit. 36
15.4 To remove the gas valve. 37
15.5 To replace the burner. 38
15.6 To remove the main burner injector. 38
15.7 To remove the appliance from the fireplace. 38
15.8 To remove the Quantum, Mirage, Bolero and Urban fascia. 38
15.9 To remove the magnetic three piece fascia. 39
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© Baxi Heating U.K. Limited 2007.

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.
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)
956 51
956 when converted to LPG. 52
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.
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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

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 firefront casting set / firefront.
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© Baxi Heating U.K. Limited 2007.
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 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 Piezo Electric. Integral with
Gas Tap
Piezo Electric. Integral with
Gas Tap
Aeration See section 15.1 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 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 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,
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© Baxi Heating U.K. Limited 2007.

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 no hearth 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 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
finished floor level should be increased to at
least 147mm.
! 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
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© Baxi Heating U.K. Limited 2007.
Figure 2. Metal flue box
Figure 1. Hearth and fireplace opening dimensions (See
section 3.2.1.1)
See Section 3.14

5 for appliance dimensions).
!
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
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
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
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© Baxi Heating U.K. Limited 2007.
Figure 3. Pre-cast fireplace

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.
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
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discourage the placing of carpets or rugs over it.
The appliance must not stand on combustible materials or carpets (See figure 1).
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).
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Graph 1. Combustible shelf clearances

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.
3.16 Propane gas appliances must not be installed in a room, which is built entirely
below ground level (See BS 5871 Pt2).
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
actual 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 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.
Figure 5 also gives the necessary access
clearance from a non-combustible surface at
both sides.
3.19 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.
3.20 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.
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Figure 4. Removal of combustible
cladding (Fascia may differ from that
shown)

3.21
A fireguard complying with BS 8423 should be fitted for the protection of young
children, the elderly, the infirm or pets.
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Figure 5. Appliance dimensions and clearances (Fascia may differ from that shown)
(The appliance dimensions ‘A’, ‘B’ & ‘C’ shown in the table are subject to
manufacturing tolerance)

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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,
Homeflame -
Slimline,
Sonnet &
Traditional.
587.5 450 85 100 10
Aura 2,
Camden,
Contemporary,
Form,
Modern &
Seattle.
587.5 450 63 100 10
Coast 587.5 450 55 100 10
Anthem 585 450 68 100 10
Quantum 600
500
(includ
-ing
plinth)
80 100 50
(From fascia sides,
not plinth)
Minima,
Debut &
Prelude. 585 450 76 100 10
Urban &
Mirage. 600 467 57 100 50
Bolero 636 518 94 100 10
Fusion 592 450 67 100 10
Flare & Capri 587.5 450 105 100 10

4. PACK CONTENTS
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.
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1Loose parts pack including: -
4‘A’ screws (No.8 x 6)
6‘B’ screws (No. 8 x 10)
2‘C’ screws (M4 x 10)
2‘D’ screws (M5 x 10)
1‘E’ Quantum fascia hanging bracket.
2‘F’ Cable adjusters
1‘G’ Inlet ‘T’ connector / elbow including
pressure test point, nut and olive.
1‘H’ Grommet for rear of hotbox.
4‘I’ Wall fixing plugs
4 ‘J’ Screweyes.
1 Hotbox and burner assembly
1
Burner tray trim (Supplied with all
956 models but NOT to be fitted to
the ‘Anthem’.
1
Length of self-adhesive foam seal
2 Tension cables
1 Flue restrictor
1 Strip of floor sealing tape
1Ceramic fuel effect
1Fascia / Fascia & firefront
1Literature pack.
Figure 6. Pack contents (Not all of the components listed may be required)

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Figure 6. Pack contents continued.

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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 may
entail removing the fireback and infill material behind the fireback.
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 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 actual 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.
Figure 6. Pack contents continued.

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.
The methods are detailed in section 9 of this manual. 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 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. 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
50mm 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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6. IGNITION CHECK
Before attempting to install, it is worth checking that the
ignition system performs satisfactorily.
! Set the control knob to the ‘OFF’ position.
! Depress the control knob and rotate it anticlockwise to
the ‘pilot ignition’ position. A 'click' will be heard as the
integral piezo operates. A spark should be seen between
the electrode and pilot tip. If there is no spark check the
following: -
! Ensure that the electrode lead is connected to the
terminal at the base of the electrode.
! If the above is correct, check for damage to the
electrode lead.
7. GAS SUPPLY CONNECTION
A nut and olive are provided for an 8mm pipe inlet connection to the inlet elbow at the
bottom front of the appliance. The inlet elbow can be rotated to allow a connection from
any direction. The inlet elbow includes a valve for isolating the gas supply and a
pressure test point.
The supply pipe must be rigid material. Flexible pipe must not be used.
Concealed supply pipe connection.
If a concealed connection from inside the fireplace is required then, before the
appliance is fitted into the fireplace
it will be necessary to extend the supply line so
that it will project through the hole in the back of the hotbox and run to the inlet elbow
at the front. The pipe run from the supply line up to the rear opening in the hotbox must
be kept away from the area which will be taken by the hotbox when it is installed. Note
that the centre of the appliance inlet elbow is 25mm above the fireplace floor. The inlet
elbow should be fitted to the supply pipe at this stage.
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Figure 7. Ignition operation