Baxi 748 Installer'S Manual Download Page 1

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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

WESTMINSTER SLIMLINE.

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

Supplied

TER

2-61)

manualslibra

theman

How

ry.co.uk

R, O

SLI

Summary of Contents for 748

Page 1: ...6 061 065 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 ...

Page 2: ...mission 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 Erdingto...

Page 3: ...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...

Page 4: ...ECKS 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 ...

Page 5: ...son 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 a...

Page 6: ... 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 la...

Page 7: ...ingdom 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...

Page 8: ...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 lin...

Page 9: ...at 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...

Page 10: ...f 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 a...

Page 11: ... 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 unless the conditions of section 3 2 1 1 are met N B conglomerate marble hearths are considered as non combustible The appliance can be fitted to a purpose made proprietary class O 150 C surround The hearth mater...

Page 12: ...installing 3 13 The appliance must not be installed in any room which 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 manua...

Page 13: ...tion 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 appar...

Page 14: ...ription Model Opulent Luxor Chic Envy Heritage Westminster A Appliance height mm 606 600 638 610 B Appliance width mm 518 467 515 510 C Appliance depth into room mm 85 57 51 56 D Minimum mandatory clearance to combustible surfaces projecting beyond the front of appliance mm 100 100 100 100 E Recommended clearance to non combustible surfaces for access purposes mm 100 100 100 100 See graph 1 ...

Page 15: ...tor with 2 securing screws 4 Eyebolts 4 Fibre plugs 4 Woodscrews 1 Strip of floor sealing tape 1 Nut and olive for 8mm inlet pipe 1 T connector including pressure test point 1 Grommet for rear of hotbox 2 Fascia fixing screws 1 Self adhesive control position label 1 Ceramic fuel effect pack Not shown Page 15 INSTALLER GUIDE Baxi Heating U K Limited 2006 Figure 6 Pack contents ...

Page 16: ... K Limited 2006 Chic Envy fascia 1 Fascia assembly 1 Burner tray trim Chic only 1 Hole in the wall baffle Chic only Opulent and Luxor fascia 1 Fascia 1 Decorative knob 2 Fascia securing brackets 1 Slider control 3 M5 x 8mm screws 2 M4 x 10mm screws Heritage fascia 1 Fascia 1 Slider control 2 Countersunk screws For slider control 2 Brackets Westminster fascia 1 Fascia 1 Slider control 2 Brackets 2 ...

Page 17: ...Page 17 INSTALLER GUIDE Baxi Heating U K Limited 2006 Figure 6 Pack contents continued ...

Page 18: ...lace opening together with secondary fixing to the fireplace floor 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...

Page 19: ...ck located below the burner tray at the left side See figure 7 The positive terminal is to the top as you insert Depress the control pivot plate as far as it will go This should close the ignition circuit Sparks should be seen tracking from the electrode pin to the pilot tip See figure 8 If there are no sparks make the following checks Check condition of battery and that it is correctly fitted If ...

Page 20: ... above the fireplace floor The inlet T connector should be fitted to the supply pipe at this stage 8 PREPARING APPLIANCE FOR INSTALLATION 8 1 Appliance preparation 1 Remove any transit tape and packing and inspect for any evidence of mishandling which might affect the performance Each unit is flame tested before it leaves the factory and as a result there may be slight discolouration around the bu...

Page 21: ... flue liners greater than 125mm and all other installations the restrictor should be fitted There may however be certain exceptional circumstances where fitting the restrictor causes the fire to fail the spillage test In such cases the restrictor will have to be removed After removal conduct the spillage check again The restrictor is packed flat with the appliance and will require bending prior to...

Page 22: ... fibre plug into each hole 6 Place the hotbox back in position in the fireplace 7 Fit a woodscrew through each hole in the hotbox flanges and tighten to seal the box to the fireplace surround 9 2 Method 2 Cable retention 1 Make sure that the relevant areas at the fireplace back are sound enough to take the eyebolts If these areas have deteriorated due to prolonged use they should be made sound wit...

Page 23: ...7 7 Place the hotbox fully back into the fireplace opening so that it is sealed against the fireplace front surround 8 Fit a cable retainer over the bottom end of each cable 9 Pull each cable taut Push the cable retainers hard up against the side panels The end of the cable adjuster will pass into the hole Tighten the screws in the retainers so that they clamp the cables in position Apply tension ...

Page 24: ...dition of BS 6891 In the Republic of Ireland refer to the current edition of I S 813 Domestic gas installations 10 2 1 Lighting the burner 1 If closed open the isolating valve at the inlet T connector 2 Depress the control pivot plate as far as it will go and hold in this position See section 6 figure 8 This should close the ignition circuit and now that the gas is connected simultaneously open th...

Page 25: ...eat input at the inlet pressure shown in section 2 of this manual No adjustment is necessary 1 Check the inlet pressure by fitting a pressure gauge at the test point The test point is on the inlet T connector See figure 19 Check the pressure with the appliance alight and set at maximum output 2 After checking turn off the appliance Remove the pressure gauge and replace the test point sealing screw...

Page 26: ...bottom of the slider control using 1 off M4 x 10mm countersunk screw supplied 11 2 Assembling the Westminster fascia See steps 3 6 in figure 21 Step 1 Lay the fascia face down on a flat surface Step 2 Locate the lower right hand bracket onto the fascia and secure with 2 off M5 x 8mm screws supplied Step 3 Locate the lower left hand bracket onto the fascia and secure through the lower hole with 1 o...

Page 27: ...nd bottom of the slider control using 1 off countersunk screw supplied 11 4 Fitting the Luxor Opulent Heritage and Westminster fascia 1 Fit the fascia to the appliance by locating the top to the upper hanging brackets See figure 23 then attaching it to the body of the appliance using the two screws supplied See figure 24 2 Connect the control linkage to the control pivot plate using the shouldered...

Page 28: ...rackets over the baffle and secure using the two screws for securing the fascia See Figure 24 5 Connect the control linkage to the control pivot plate using the shouldered screw previously removed and using a screwdriver NOT finger tight only See figure 26 6 Chic model only Supplied in the fascia pack are two tubular trim sets Hang one set at the top of the fascia and the other at the bottom See f...

Page 29: ...GUIDE Baxi Heating U K Limited 2006 Figure 30 Fitting the lower section to the Chic fascia Figure 29 Fitting the lower section to the Envy fascia Figure 28 Fitting the Chic hanging trims Figure 27 Control position label ...

Page 30: ...ed O on the front fascia 2 Open the isolating valve on the inlet T connector Replace the sealing screw and test around the sealing screw for gas soundness with a suitable leak detection fluid 3 Slide the button to the bottom ignition position marked Retain in this position to ignite the pilot The burner should ignite at its lowest setting within 4 seconds of the pilot igniting Keep at this positio...

Page 31: ...he sealing is satisfactory but the appliance is installed with the flue restrictor See section 8 2 remove the restrictor reseal the appliance and retest If smoke is still not drawn into the appliance disconnect the appliance and seek expert advice 6 If the above test is satisfactory open all internal connecting doors hatches etc in the room Keep all doors and windows that open to the outside of th...

Page 32: ...end cap and test for leaks 4 Set the slider to the Off O position 15 FINAL REVIEW 1 Visually inspect the appliance Clean off any marks incurred during installation Metal Parts Clean the metal parts with a slightly damp lint free non abrasive cloth and then dry Do not use abrasive cleaners as these will scratch the fire surface Chic Envy and Westminster fascia Clean the metal parts with a slightly ...

Page 33: ...point out that by law a landlord must have any gas appliance flue and pipework which is situated in a tenant s premises checked for safety at least every 12 months 9 Advise the customer that the fascia hotbox and ceramic pieces can be cleaned as described in the owner guide and that the loose ceramic fuel effect pieces must be replace as described in those instructions Stress that no extra ceramic...

Page 34: ...king 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 ...

Page 35: ...ion microswitch See figures 34 35 The ignition microswitch is stamped V4NT9C4YC 1 Remove the bottom front cover and the front cover casting 2 Detach the microswitch cover by removing one screw and pulling clear of the location lug See figure 34 3 Disconnect the leads from the ignition microswitch The lower of the two microswitches See figure 35 4 Detach the microswitch and insulation pad by removi...

Page 36: ...e the bottom front cover or fire front casting 2 Detach the control linking bar from the control pivot bracket by removing the knurled screw which joins the control linking bar to the control pivot unit See figure 37 3 Remove the two screws securing the bottom of the fascia to the sides of the hotbox See figure 38 4 Make sure that the control linking bar has been detached See point 2 Carefully lif...

Page 37: ...ner unit 1 Remove the fascia See section 16 4 2 Remove the ceramic fuel effect pieces 3 Support the inlet T connector to avoid straining the pipework and disconnect the appliance from the T connector 4 Detach the burner unit from the hotbox by removing two screws See figure 42 5 Replace in the reverse order Page 37 INSTALLER GUIDE Baxi Heating U K Limited 2006 Figure 42 Burner attachment points Fi...

Page 38: ... slacken it and rotate to allow the leads to be fitted Retighten making sure that the leads remain in place in the interrupter block Fit and tighten the thermocouple nut making sure that the leads are secured in the interrupter block to give a good electrical contact 16 9 To remove the pilot unit 1 Remove the burner unit See section 16 6 2 Detach the pilot pipe from the pilot unit 3 Detach the the...

Page 39: ...bow clear 7 Loosen the hexagonal locknut securing the elbow to the tap Remove the elbow by rotating it 8 If fitting a new tap remove the hexagonal nut at the mounting bracket end of the old tap and fit to the replacement tap Refit in the reverse order When refitting make sure that the tap spindle is in the correct relationship relative to the control pivot bracket Rotate the pivot bracket fully cl...

Page 40: ...ot bracket while removing the nut to prevent possible damage to the microswitch 7 Remove the hexagonal bolt securing the control pivot bracket to the controller at the rear 8 Detach the control pivot bracket 9 Remove the hexagonal nut securing the controller to the front mounting bracket and remove the flow rate controller 10 Refit in the reverse order 16 12 To replace the burner See figure 47 1 R...

Page 41: ...liance from the fireplace 1 Remove the burner unit See section 16 6 2 See section 9 1 of this guide slacken the hexagonal adjusters on the cable retainers and unscrew the thumbscrews to release the cables 3 Refit as described in the relevant installation sections Make sure gas soundness sealing spillage test and performance are satisfactory Page 41 INSTALLER GUIDE Baxi Heating U K Limited 2006 Fig...

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