Baxi Fires Division 740FS Installer's Manual

Inset live fuel effect gas fire incorporating the baxi fires division control fitted with one of the following fascia. adorn, decadent, dream, eternal, icon, obsession or visage

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Owner's manual (14 pages)

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Page 1 5115978/02 INSTALLER GUIDE Model 740FS Inset live fuel effect gas fire Incorporating the BAXI FIRES DIVISION CONTROL Fitted with one of the following fascia. Adorn, Decadent, Dream, Eternal, Icon, Obsession Visage (GC No. 32-032-55) We trust that this guide gives...
Page 2 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 ©...
Page 3 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 4: Table Of Contents
INSTALLER GUIDE CONTENTS Section Heading Page 1. SAFETY 2. APPLIANCE DATA 3. GENERAL INSTALLATION REQUIREMENTS 4. PACK CONTENTS 5. FIREPLACE CHECK 6. IGNITION CHECK 7. GAS SUPPLY CONNECTION 8. PREPARING APPLIANCE FOR INSTALLATION 9. CONVECTION BOX INSTALLATION 10. BURNER AND SUPPLY PIPE INSTALLATION 11.
Page 5: Safety
INSTALLER GUIDE 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) Firefront (kg) Combined Weight (kg) Adorn 11.5...
Page 6: Appliance Data
INSTALLER GUIDE 2. APPLIANCE DATA 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) 2.7kW (9,410 Btu/h) 4.3kW (14,670 Btu/h) 20.0 ± 1.0mbar (8.0 ± 0.4in 37.0 ±...
Page 7: General Installation Requirements
INSTALLER GUIDE Conversion factor from net to gross efficiency Natural Gas 0.901 0.921 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.
Page 8 INSTALLER GUIDE 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.
Page 9 INSTALLER GUIDE 2.1.1 ‘Hole-in-the-wall’ Installations It is recommended that a hearth should be installed as in section 3.9. Icon firefront If when using the Icon firefront a Hearth is not 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.
Page 10 INSTALLER GUIDE 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.
Page 11 INSTALLER GUIDE 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 1858. This system is only suitable if the conditions stated in section 3.2.3 are met.
Page 12 INSTALLER GUIDE 3.11 Adorn model only The minimum height from the base of the fireplace opening to the underside of any shelf made from wood or other combustible materials is shown in graph 1. Visage, Dream, Eternal, Decadent and icon models only The minimum height from the base of the fireplace opening to the underside of any helf made from wood or other combustible materials is shown in graph 2.
Page 13 INSTALLER GUIDE 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.
Page 14 INSTALLER GUIDE 3.20 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.
Page 15 INSTALLER GUIDE Model Description Adorn Visage Icon Dream Eternal Decadent Obsession 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).
Page 16: Pack Contents
INSTALLER GUIDE 4. PACK CONTENTS The items required for this appliance are packed in sections. Section 1 - Fire unit contains: Section 2 - “Dream” fascia pack contains: Fascia. Burner and convection box unit. Sliding control. Nut and olive for 8mm inlet pipe. Bottom front cover casting ‘T’...
Page 19 INSTALLER GUIDE OBSESSION Figure 6. Pack contents continued Carefully remove all the contents. Take special care in handling the ceramic pieces. Take care not to bend or distort the slide control linkage when handling the fascia. Check that all the listed parts are present and in good condition. Page 19 ©...
Page 20: Fireplace Check
INSTALLER GUIDE 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.
Page 21: Ignition Check
INSTALLER GUIDE fireplace floor are sound enough to take the eyebolts and 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 100mm layer of mineral wool or equivalent insulation (See figure 2).
Page 22: Gas Supply Connection
INSTALLER GUIDE 7. GAS SUPPLY CONNECTION A nut 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.
Page 23 INSTALLER GUIDE unless the supply pipe is to pass through it. 5. The appliance is supplied with two fireback spacers. Do not fit the fireback spacers if the fire is to be installed into a precast or clay flue block system as in section 3.2.2.These should extend backwards to ensure sufficient clearance from the back of the fireplace.
Page 24 INSTALLER GUIDE 8. This appliance is supplied with a rear ceramic support bracket. Fit this using two screws supplied (See figure 15) 9.This appliance is supplied with a flue restrictor for use where the flue draught is excessive. The restrictor must NOT be fitted where a precast flue or a flue liner is used.
Page 25: Convection Box Installation
INSTALLER GUIDE RIGHT LEFT Figure 18. Surround securing brackets 9. CONVECTION BOX INSTALLATION 9.1 Method 1 - Front fixing to fireplace surround. 1. Make sure that the fireplace front surround area is sound enough to take the fibre plugs and woodscrews. If necessary, make sound with a suitable cement. 2.
Page 26 INSTALLER GUIDE masonry drill. The holes should be equidistant each side of the centre line of the fireplace to ensure that the appliance finishes centrally in the opening when tension is applied to the cables. 3. Insert a fibre plug into each hole.
Page 27 INSTALLER GUIDE 6. Thread the cables through the eyebolts. Return the cables through the holes near the bottom of the convection box back panel (See figure 22) (For precast or clay block flue systems return the cables through the slotted holes in the side of the convection box).
Page 28: Burner And Supply Pipe Installation
INSTALLER GUIDE box is aligned squarely and the sealing is satisfactory, fully tighten the cable retainers. 13. If the convection box is not correctly aligned, release the tension on the cables by slackening the screws and turning the hexagonal adjusters fully anticlockwise. The convection box should then automatically realign itself.
Page 29 INSTALLER GUIDE (See figure 26). 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.
Page 30: Ceramic Walls Installation
INSTALLER GUIDE 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 28). 2.
Page 31: Fascia And Control Linkage
INSTALLER GUIDE 12. FASCIA AND CONTROL LINKAGE 12.1 Remove the tape securing the control linking bar to the fascia. Slide the control button upwards as far as it will go. Make sure that the bottom of the linking bar is higher than the bottom of the fascia. 12.2 Carefully lift the fascia.
Page 32 INSTALLER GUIDE convection box. Lower the fascia unit making sure that the retaining plates locate fully over the brackets on the convection box (See figure 32). Swing the bottom control linking bar towards the centre of the fire to clear the right side of the fascia.
Page 33 INSTALLER GUIDE Fit the burner baffle to the front flanges of the burner. To do this, place the baffle against the front flanges of the burner and lower into position. The return edges on the rear of the baffle should slot over the front flanges of the burner (See figure 36).
Page 34: Fitting The Ceramic Fuel Effect
INSTALLER GUIDE Figure 39. Control bar and pivot bracket (Shown with “Adorn”) 13. FITTING THE CERAMIC FUEL EFFECT The installer and owner guide for the ceramic fuel effect is supplied with the ceramic fuel effect. It is important that the fitting guide for the ceramic fuel effect be placed inside or attached to this guide and handed to the customer following completion of the ‘Final review’...
Page 35 INSTALLER GUIDE Figure 41. “Icon” bottom front cover location. 14.4 “Dream” fascia. 14.4.1. Place the firefront casting centrally on top of the hearth in front of the fascia. 14.4.2. Place the bottom front cover casting in position. 14.5 “Decadent” fascia. 14.5 Check that the two screws in the back of the fire front casting are in the outer threaded holes.
Page 36: Full Operating Checks
INSTALLER GUIDE 15. FULL OPERATING CHECKS 15.1 Checking the control settings. The control position markings on the fascia are shown in figure 44. Please note: When first turned on from cold, the flames will appear predominantly blue. When operating the fire for the first time, some vapours may be given off which could set off smoke alarms in the vicinity.
Page 37: Flame Supervision And Spillage Monitoring System
INSTALLER GUIDE 4. The smoke match should be placed horizontally into the convection box at the right hand side. There is a notch in the black cross member. Insert the tube so that the neck of its flared end is 5mm passed and in contact the cross member (See figure 45). The installation is satisfactory if the smoke is drawn into the appliance.
Page 38: Final Review
INSTALLER GUIDE This monitoring system, or any of its parts, must only be exchanged using authorised parts. 3. Open the isolating valve on the inlet ‘T’ connector. Screw on the end cap and test for leaks. 4. Set the slider to the “Off’” position. 16.
Page 39: Servicing & Parts Replacement
INSTALLER GUIDE 17. 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 40: Checking The Aeration Setting Of The Burner
INSTALLER GUIDE 17.1 Checking the aeration setting of the burner. 1. The aeration shutter is factory set for use It is with a ‘pebble’ ceramic fuel effect. important to ensure that the aeration setting is correct for the ceramic fuel effect used.
Page 41: To Remove The Fascia
INSTALLER GUIDE 3. Loosen the thermocouple nut to free the microswitch leads and pull the leads clear of the thermocouple interrupter block (See figure 49). 4. Detach the bridging bracket, microswitch assembly by removing two screws (See figure 48). 5. Replace in the reverse order. When refitting the leads to the interrupter block, make sure that they are secured firmly to give a good electrical contact.
Page 42: To Replace The Control Slide Unit
INSTALLER GUIDE 4. Make sure that the control linking bar has been detached (See 2 above). Carefully lift the fascia upward to clear the upper retaining brackets on the convection box (See figure 52). Pull the fascia clear and place carefully aside. 5.
Page 43: To Replace The Control Slide Button
INSTALLER GUIDE Visage model 1. Remove the fascia (See section 17.4). 2. Detach the rear baffle 3. Detach the slide unit by removing two screws securing the plastic slide mechanism to the rear of the fascia (See figure 53). 4. Replace in the reverse order. Adorn model 1.
Page 44: To Remove The Electronic Ignition Generator
INSTALLER GUIDE 55). 5. Replace in the reverse order. 17.8 To remove the electronic ignition generator. 1. Remove the bottom front and fire front castings. For ‘Adorn’ and ‘Icon’ models remove the fascia (See section 17.4). 2. Remove the ceramic fuel effect. 3.
Page 45: To Remove The Pilot Unit
INSTALLER GUIDE that the leads are secured in the interrupter block to give a good electrical contact. 17.10 To remove the pilot unit. 1. Remove the burner unit (See section 17.7). 2. Detach the pilot pipe from the pilot unit. 3.
Page 46: To Remove The Gas Flow Rate Controller
INSTALLER GUIDE When refitting the thermocouple and interrupter block, make sure that the microswitch wires are properly secured to give a good electrical contact. 17.12 To remove the gas flow rate controller. (See figure 59). 1. Remove the burner unit (See section 17.7).
Page 47: To Remove The Main Burner Injector
INSTALLER GUIDE 17.14 To remove the main burner injector. (See figure 61). 1. Remove the burner (See section 17.13). 2. Remove the burner clamping screw (See figure 61) 3. Unscrew the injector from the burner 4. Refit in the reverse order. 17.15 To remove the appliance from the fireplace.

Baxi Fires Division 740FS Installer's Manual

1 Safety

2 Appliance Data

3 General Installation Requirements

4 Pack Contents

5 Fireplace Check

6 Ignition Check

7 Gas Supply Connection

8 Preparing Appliance for Installation

9 Convection Box Installation

10 Burner and Supply Pipe Installation

11 Ceramic Walls Installation

12 Fascia and Control Linkage

13 Fitting the Ceramic Fuel Effect

14 Front / Castings Installation

15 Full Operating Checks

16 Final Review

17 Servicing & Parts Replacement

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