Baxi 940, Installer And Owner Manual

Page 1: ...PORATING THE CONTROL This heat engine is designed for use with approved cast fascias and spacer frame fret combinations GC No 32 032 71 INSTALLER AND OWNER GUIDE INSTALLER Please leave this guide with the owner For further advice please contact the retailer or company from where you purchased your fire ...

Page 2: ...lowing address The Company Secretary Baxi Heating UK Limited The Wyvern Business Park Stanier Way Derby DE21 6BF 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 Valor Fires Erdington Birmingham B24 9QP www firesandstoves co uk Because our policy is one of constant development and improvement details...

Page 3: ... British Standards Institute The Highest Standards The manufacturer is a member of SBGI and HHIC Heating and Hot water Industry Council which works to ensure high standards of safety quality and performance Careful Installation This gas fires must be installed by a competent GAS SAFE REGISTER engineer GAS SAFE REGISTER or CORGI engineer outside of UK in accordance with our installer guide and shou...

Page 4: ...Page 4 Baxi Heating U K Limited 2010 INSTALLER GUIDE FOR OWNER GUIDE SEE PAGES 38 TO 46 INSTALLER GUIDE ...

Page 5: ...replace clearances 12 3 10 Installation options 12 3 10 1 Conventional fireplace and hearth 12 3 10 1 1 Hole in the wall Installations 13 3 10 2 Metal flue box and hearth 14 3 10 3 Precast concrete or clay flue block system and hearth 15 3 11 Flues 15 3 12 Propane fires 16 4 PACK CONTENTS 16 5 FIREPLACE CHECK 18 6 IGNITION CHECK 19 7 GAS SUPPLY CONNECTION 19 8 PREPARING APPLIANCE FOR INSTALLATION ...

Page 6: ...Checking the aeration setting of the burner 32 16 2 To remove the ignition microswitch 32 16 3 To remove the gas shut off microswitch 32 16 4 To remove the fascia 33 16 5 To replace the control slide unit 33 16 6 To replace the control slide button 33 16 7 To remove the burner unit 33 16 8 To remove the electronic ignition generator 34 16 9 To remove the thermocouple interrupter block 34 16 10 To ...

Page 7: ...ate 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 ...

Page 8: ...edure 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 Page 8 Baxi Heating U K Limited 2010 Gas Natural G20 Propane G31 Inlet Pressure 20mbar 37mbar Input Max Gross 6 85kW 23 400 Btu h 6 7kW 22 860 Btu h Input Min Gross 2 ...

Page 9: ...856 Part 1 Chimneys Requirements for metal chimneys BS 5440 Part 1 Installation of flues BS 5440 Part 2 Installation and maintenance of flues and ventilation for gas appliances of rated input not exceeding 70 kW net 1st 2nd and 3rd family gases BS 6461 Part 1 Masonry chimney flues Installation BS 1251 Fireplace components BS 5871 Part 2 Installation Inset LFE gas fires BS 6891 Gas pipework install...

Page 10: ...fitted The individual A S D components are not replaceable 3 4 Fireguard requirements A fireguard complying with BS 8423 should be fitted for the protection of young children the elderly the infirm or pet animals 3 5 Room considerations 3 5 1 This appliance must not be installed in any room that contains a bath or shower or where steam is regularly present 3 5 2 An extractor fan may only be used i...

Page 11: ...least 2mm all round 3 7 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 8 The hearth The appliance must be mounted behind a non combustible hearth unless the conditions of section 3 10 1 1 are met N B conglomerate marble hearths ar...

Page 12: ...ce to non combustible surfaces is recommended on the left side of the appliance on the right side the recommended clearance is 50mm for access to the slider control 3 10 Installation options In the United Kingdom as supplied the appliance can be installed in the following situations 3 10 1 Conventional fireplace and hearth To a fireplace complete with surround and hearth as shown in figure 3 and c...

Page 13: ... hearth a reduced depth hearth is recommended 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 The heat engine must be installed so that distance from Baxi Heating U K Limited 2010 Figure 3 Hearth and fireplace opening dimensions Figure 4 Fireplace area INSTALLER GUIDE ...

Page 14: ...t 175mm To protect from the risk of burns and ignition of clothing a tactile separator shall be used The hearth detailed in section 3 8 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 requiremen...

Page 15: ...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 The materials...

Page 16: ...not be installed in a room that is built entirely below ground level See BS 5871 Part 2 4 PACK CONTENTS Carefully remove all the contents Check that all the listed parts are present and in good condition See figure 7 Appliance contains 1 Burner Convection box unit 1 Inlet T connector with pressure test point including nut and olive for 8mm inlet pipe 1 Flue restrictor 3 Screws For fitting the flue...

Page 17: ...ng the canopy shield 1 Ceramic fuel effect Not shown 1 Literature pack 1 Burner tray trim 1 Control slider assembly for fascia 2 M4 countersunk screws For securing control slider to fascia 1 Control position label for fascia Page 17 Baxi Heating U K Limited 2010 Figure 7 Pack contents INSTALLER GUIDE ...

Page 18: ... cement If method 1 is chosen make sure that the front surround area is sound enough to take the fibre plugs and woodscrews If necessary make sound with suitable cement 5 1 1 Installations using a metal flue box The whole of the top surface of the metal flue box must be covered with a 100mm layer of mineral wool or equivalent insulation See figure 5 5 2 Fireplace flue pull Close all doors and wind...

Page 19: ...and olive are provided for an 8mm pipe inlet connection to the T connector at the bottom front of the appliance The T connector can be rotated to allow a connection from any direction and 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...

Page 20: ...only Pierce the grommet to allow the pipe to pass through it The grommet should envelop the pipe If the hole is larger than the pipe seal it with tape Do not pierce the grommet unless the supply pipe is to pass through it 6 The heat engine or fascia will have a canopy shield supplied with it Fit this to the convected air outlet of the appliance using the three self tapping screws supplied The desi...

Page 21: ...restrictor is packed loose with the appliance and is fixed with three screws See figure 14 9 There is a length of self adhesive foam seal supplied with the fire This will need to be fitted to the outer rear edges of the side and top flanges of the convection box Cut a 485mm length of foam seal Be careful not to stretch the seal when measuring Remove the protective backing from the foam seal and fi...

Page 22: ... convection box Drill four holes in the fireplace front surround at the marked positions using a suitably sized masonry drill for the wall plugs supplied 5 Insert a fibre plug into each hole 6 Place the convection box back in position in the fireplace 7 Fit a woodscrew through each hole in the convection box flanges and tighten to seal the box to the fireplace surround 9 2 Method 2 Cable retention...

Page 23: ...from the back through the lower of the two holes and return the end through the upper of the holes See figure 18 Give the cables a pull so that they grip against the convection box flanges 6 Thread the cables through the eyebolts Return the cables through the holes near the bottom of the convection box back panel See figure19 For precast or clay block flue systems return the cables through the slo...

Page 24: ...elf Pull each cable taut again and push the cable retainers back against the back panel Again tighten the screws in the retainers and apply tension to the cables by turning the hexagonal adjusters clockwise as far as possible 14 Feed the free length of the cables into the gap between the inner and outer back panels so that they are available to allow easy removal and refitting of the appliance dur...

Page 25: ...otate the control pivot bracket clockwise as far as it will go and hold in this position See figure 23 This should close the ignition circuit and simultaneously open the gas tap allowing the gas to flow to the pilot Wait a few seconds while the air is purged The electronically generated sparks should light the pilot The pilot should then light the main burner at its low setting There may be a dela...

Page 26: ...vent any accidental gas flow ignition whilst fitting the ceramic fuel effect and fascia 11 CERAMIC WALLS INSTALLATION 1 Fit the ceramic rear wall inside the L bracket on the back face of the burner compartment Push the ceramic wall flat against the back face of the burner compartment See figure 25 2 Remove four screws from the spillage plate sides See figure 26 3 Remove the spillage plate by lifti...

Page 27: ...his guide and handed to the customer following completion of the final review section Ensure that the fire is OFF Open the isolating valve at the inlet T connector and replace the end cap Light the fire turn to the maximum output position and test around the sealing screw for gas soundness with a suitable leak detection fluid Page 27 Baxi Heating U K Limited 2010 Figure 26 Ceramic side walls insta...

Page 28: ... this position to ignite the pilot The burner should ignite at its lowest setting within 4 seconds of the pilot igniting Keep at this position for a further 10 seconds to allow the pilot flame to stabilise 4 Release the button The button should automatically spring up to the low heat position If for any reason the slider control does not spring up raise the slider to the topmost Off position and i...

Page 29: ...e 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 the building closed Recheck for spillage as above If an extractor fan is installed in the same room as the appliance or a connecting room check that spillage does not occur with the fan operating and all doors and other openings between the fan and the appl...

Page 30: ...appliance has a flame failure spillage monitoring system Point out the explanation of this system shown in the owner guide under Operating the fire Advise that if the fire goes out for any reason wait at least three minutes before relighting Stress that if the monitoring system repeatedly shuts off the fire the appliance should be switched off and a specialist should be consulted 4 Advise the cust...

Page 31: ... 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 licenced to accept such...

Page 32: ...electrode 16 3 To remove the gas shut off microswitch See figures 30 31 1 Remove the bottom front cover and the fire front 2 Loosen the thermocouple nut to free the microswitch leads and pull the leads clear of the thermocouple interrupter block See figure 31 3 Detach the bridging bracket microswitch assembly by removing two screws See figure 30 4 Replace in the reverse order When refitting the le...

Page 33: ...order 16 7 To remove the burner unit 1 Remove the fire front and fascia See section 16 4 2 Remove the loose ceramic fuel effect pieces the front ceramic fuel effect and the base ceramic fuel effect 3 Close the isolating valve in the inlet T connector 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 con...

Page 34: ...9 Refit in the reverse order 16 9 To remove the thermocouple interrupter block See figure 36 1 Remove the burner unit See section 16 7 2 Detach the thermocouple from the interrupter block by unscrewing the thermocouple nut 3 Detach the two microswitch leads from the interrupter block 4 Remove the interrupter block by unscrewing from the gas shut off tap 5 Refit in the reverse order If the microswi...

Page 35: ...nit See section 16 7 2 If lying the burner on its back ensure that the work surface is suitably protected This will avoid damage to the work surface Turn the burner unit upside down Detach the thermocouple and interrupter block from the tap See section 16 9 paragraphs 2 4 3 Detach the pilot pipe from the tap 4 Detach the inlet pipe 5 Remove the hexagonal nut securing the tap to the mounting bracke...

Page 36: ...t the controller while detaching to prevent excessive strain 5 Remove the nut and washer securing the control pivot bracket to the controller at the front Support the pivot bracket while removing the nut to prevent possible damage to the microswitch 6 Remove the hexagonal bolt securing the control pivot bracket to the controller at the rear 7 Detach the control pivot bracket 8 Remove the hexagonal...

Page 37: ... fire retention is as method 1 See section 9 1 of installation instructions remove the screws If the fire retention is as method 2 See section 9 2 of installation instructions 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 performanc...

Page 38: ...Page 38 OWNER GUIDE Baxi Heating U K Limited 2010 OWNER GUIDE ...

Page 39: ...ERAMIC FUEL BED REFITTING 45 MAINTENANCE 45 Battery replacement 45 Regular maintenance 45 Servicing 46 This gas fire is designed to meet the most stringent quality performance and safety requirements to provide you with many years trouble free service This guide aims to improve your understanding and appreciation of your gas fire by providing simple and informative instructions to ensure that you ...

Page 40: ...base of the convector box to the underside of any shelf whether it is made from combustible or non combustible materials For a shelf made from wood or other combustible materials deeper than 150mm add 12 5mm to the clearance for every 25mm of additional shelf depth See figure 1 Please bear this in mind if ever you add a shelf Page 40 Baxi Heating U K Limited 2010 OWNER GUIDE Figure 1 Combustible s...

Page 41: ...s is recommended on the left side of the appliance on the right side the recommended clearance is 50mm for access to the slider control Please bear this in mind if ever you are considering altering the room Don t hang clothing towels or any other fabrics over the fire Don t add any extra fuel effect pieces above the number stated in the installer and owner guide supplied with the ceramic fuel effe...

Page 42: ... series of sparks that should light the pilot Within four seconds of the pilot igniting the main burner should light at its minimum setting If no sparks are produced to light the pilot the battery may need replacing Details of battery replacement are given further on in this guide Until you can obtain a replacement battery the fire can be lit with a taper as described later in this guide 2 Keep th...

Page 43: ... flue is primed during the first 20 30 minutes of operation To do this simply slide the control button to its highest setting This will also burn off any carbon deposits that may have formed during previous operations iv If operating the appliance for long periods it is beneficial occasionally to change the settings This will also help to remove any carbon deposits that may form during operation T...

Page 44: ... when handling these articles to ensure that the release of dust is kept to a minimum Light coatings of soot will usually be burnt off during the normal operation of the fire Should any soot accumulation become excessive the fuel effect pieces and walls should be removed from the fire for cleaning Cleaning should be carried out in a well ventilated area or in the open air by gently brushing with t...

Page 45: ... terminal locations are shown on the battery housing Regular maintenance In order to achieve and maintain high levels of personal safety and performance efficiency it is essential that the opening at the back of the fire and the flue are kept clear of any form of obstruction It is possible that deposits of mortar or soot could fall and accumulate causing the flue to be blocked or restricted and so...

Page 46: ...t problem or request plus your Post Code If you wish to replace any of the ceramic fuel effect pieces spare parts are available nationwide via the interpart stockist network For your local stockist consult Yellow pages under Central Heating When fitting replacement parts it is important that only approved parts are used for maximum safety Page 46 Baxi Heating U K Limited 2010 OWNER GUIDE ...

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