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Baxi Fires Division 739 Installer's Manual

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5113426/01
INSTALLER GUIDE
Model
739
OPEN DECORATIVE
GAS FIRE
(GC No. 32-032-54)
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).
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.
Please telephone 08706 061 065 (National call rates apply in the United Kingdom)
In the Republic of Ireland telephone 0044 8706 061 065
owner
INSTALLER: Please leave this guide with the
© Baxi Heating U.K. Ltd.

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Summary of Contents for Baxi Fires Division 739

  • Page 1 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. Please telephone 08706 061 065 (National call rates apply in the United Kingdom)
  • Page 2 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.

  • Page 3: Table Of Contents

    INSTALLER GUIDE CONTENTS Section Page 1. SAFETY 2. LIST OF ACCESSORIES 3. APPLIANCE DATA 4. GENERAL INSTALLATION REQUIREMENTS 5. UNPACKING 6. INSTALLATION OF APPLIANCE 7. BURNER AND SUPPLY PIPE INSTALLATION 8. FITTING THE FIREFRONT 9. FITTING THE CERAMIC FUEL EFFECT 10.

  • Page 4: List Of Accessories

    INSTALLER GUIDE 2. LIST OF ACCESSORIES Valor and B&Q models Description Part Number All Models LPG Conversion kit 0595211 ‘Quattro’ / ‘Anthem’, ‘Majestic’ and Models not supplied with a firefront Replacement Chair brick 0552311 Replacement Chair brick Trims Flat Brass effect 0552321 Flat Satin Chrome effect 0552331...

  • Page 5: Appliance Data

    INSTALLER GUIDE Description Part Number Blenheim Firefront (16 inch Fret) Brass effect 9800040 Antique (Black & Brass effect) 9800075 Chrome effect 9800076 Black Cast Iron with Brass Finials 9800039 Blenheim Firefront (18 inch Fret) Brass effect 9800082 Antique (Black & Brass effect) 9800083 Chrome effect 9800084...

  • Page 6: General Installation Requirements

    INSTALLER GUIDE 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) 2.3kW (7,850 Btu/h) 4.0kW (13,650 Btu/h) 20.0 ± 1.0mbar (8.0 ± 0.4in 37.0 ± 1.0 mbar (14.85 ± Burner Test Pressure (Cold) w.g.) 0.4in w.g.)
  • Page 7 Into a fireplace that has a fireback of nominal size 400mm and conforming to BS1251. Into a Replacement Chair Brick as below: - ‘Quattro’, ‘Anthem’, ‘Majestic’ and models not supplied with a firefront Into a Baxi fires division Replacement Chairbrick. Part number 0552311 ‘Azure’ model Into a B&Q Replacement Chairbrick. Part number 0552301 Suitable flues and minimum flue sizes are as follows: - 225mm x 225mm conventional brick flue.
  • Page 8 INSTALLER GUIDE 200mm diameter factory made insulated flue manufactured to BS4543. 175mm diameter flue pipe. See BS6461 Part 1 for suitable materials. The minimum effective height of the flue must be 3m. The flue must not be used for any other appliance or application. Any chimney damper or restrictor should be removed.
  • Page 9 INSTALLER GUIDE Figure 1. Hearth and fireplace opening Figure 2. Hearth and fireplace opening for installations using the LIBERTY CASTING ONLY Page 9...
  • Page 10 INSTALLER GUIDE Table 1. Flue sizing table. Page 10...
  • Page 11 INSTALLER GUIDE 4.7 The minimum height from the top of the hearth to the underside of any shelf made from wood or other combustible materials is as follows: - For a shelf up to 150mm deep Minimum height = 860mm. For a shelf deeper than 150mm 860mm + 12.5mm for every 25mm depth over 150mm (See Graph 1).
  • Page 12 INSTALLER GUIDE 4.12 Propane gas appliances must not be installed in a room that is built entirely below ground level (see BS 5871 Part 3). 4.13 If the appliance is to be fitted against a wall with combustible cladding, the cladding must be removed from the area shown in figure 3 4.14 Combustible side projections up to 75mm forward of the fixing plane of the...

  • Page 13: Unpacking

    INSTALLER GUIDE 4.14.2 Non-combustible side projections to be 75mm from the fireplace opening (See figure 4) 4.15 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.

  • Page 14: Installation Of Appliance

    INSTALLER GUIDE 6. INSTALLATION OF APPLIANCE INSTALLATION 6.1 Fireplace size. The fireplace must comply with the requirements described in section 4. 6.2 Fireplace flue pull. Visually inspect the flue for any obstruction, and that a smooth transition from the fireplace opening into the flue is available. Close all doors and windows in the room in which the appliance is to be installed.
  • Page 15 INSTALLER GUIDE 6.3.2 Burner Positioning The two tags at the side of the burner can be folded against the side of the burner tray. This may be required for installations where the width of the fireplace opening is restricted (See figure 6) For installations without the 'Liberty' casting Place the burner unit centrally within the fireplace opening.

  • Page 16: Burner And Supply Pipe Installation

    INSTALLER GUIDE 6.3.3 Locating the burner. Place the burner assembly in position (If installing into a 'Liberty' casting the rear support plate on the burner must touch the rear inner edge of the casting. See figure 9). Mark on the fireplace floor the position of the fixing holes in the bracket that is attached to the rear of the front leg.
  • Page 17 INSTALLER GUIDE Turn on the gas supply and pressure check the installation pipework for gas soundness. In the United Kingdom (GB) check in accordance with the current edition of BS 6891. In the Republic of Ireland check in accordance with the current edition of IS 813 “Domestic Gas Installations”.

  • Page 18: Fitting The Firefront

    INSTALLER GUIDE Remove the pressure gauge and replace the test point sealing screw. 3. Relight the appliance. Turn to the maximum output position and test around the sealing screw for gas soundness with a suitable leak detection fluid. 8. FITTING THE FIREFRONT 8.1 For models NOT supplied with a Firefront.

  • Page 19: Fitting The Ceramic Fuel Effect

    4. The lower 'ashpan' casting should be located as in figure 15. ‘Liberty’ casting only 1. The ‘Liberty’ casting has been tested and approved for use with the model 739 burner. Figure 14. Hanging the firefront Figure 15. Lower ‘ashpan’ location 9.

  • Page 20: Full Operating Checks

    INSTALLER GUIDE 10. FULL OPERATING CHECKS Spillage check. For installations without the 'Liberty' casting A spillage check must be made before leaving the installed appliance with the customer. Make this with all the ceramic fuel effect pieces and firefronts / castings are in position.
  • Page 21 This monitoring system must not be adjusted, bypassed or put out of operation. This monitoring system, or any of its parts, must only be exchanged using Baxi fires division authorised parts.

  • Page 22: Checking The Aeration Setting Of The Burner

    INSTALLER GUIDE Recommend that the appliance should be serviced and the chimney inspected by a competent person at least annually. 11. SERVICING & PARTS REPLACEMENT Always turn off the gas supply before commencing any servicing (The appliance inlet ‘T’ connector incorporates an isolating valve). It is recommended that, at least once a year, the appliance is disconnected and the fireplace opening checked and cleared of any debris.

  • Page 23: To Remove The Complete Burner Unit

    INSTALLER GUIDE 11.2 To remove the complete burner unit. 1. Remove the firefront and place in a safe position. 2. Remove the ceramic fuel effect. 3. Close the valve in the inlet ‘T’ connector . 4. Disconnect the appliance from the inlet ‘T’...

  • Page 24: To Remove The Piezo Generator

    INSTALLER GUIDE 10. Remove the gas valve 11. Refit in the reverse order. 11.5 To remove the piezo generator. 1. Remove the gas valve as in section 11.4. 2. Make sure that the tap is in the off position. 3. Remove the circlip holding the piezo unit to the tap.

  • Page 25: To Remove The Main Burner Injector

    INSTALLER GUIDE 11.8 To remove the main burner injector. (See figure 22). 1. Remove the burner (See section 11.7). 2. Remove the burner clamping screw (See figure 3. Unscrew the injector from the burner 4. Refit in the reverse order. Figure 22.

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