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Formosa Fires Prevail, Installation & Maintenance Instructions Manual

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Formosa Fires Prevail Installation & Maintenance Instructions Manual Download Page 1

 

 

 

 
 
 
 
 
 
 
 
 

Prevail 

 

 
 
 
 
 

INSET COAL EFFECT GAS FIRE

 

 
 
 
 
 
 
 
 
 

 

Installation & Maintenance Instructions

 

 

Hand these instructions to the owner following installation, they 
must be retained for future reference.

 

 

 

Model No

’s ANVC**MN & ANVC**SN are for use on Natural Gas (G20)

 

at a supply pressure of 20 mbar in G.B. / I.E.

 

 

** denotes variant of trim / fascia where applicable

Summary of Contents for Prevail

Page 1: ...ance Instructions Handtheseinstructionstotheownerfollowinginstallation they mustberetainedforfuturereference Model No s ANVC MN ANVC SN are for use on Natural Gas G20 at a supply pressure of 20 mbar in G B I E denotes variant of trim fascia where applicable ...

Page 2: ...d inlet pressure SC models 19 Section 3 Assembling Fuel Bed and Commissioning 3 1 Assembling the ceramics and fuel bed coal models 20 24 3 2 Assembling the ceramics and fuel bed pebble models 25 28 3 3 Lighting the appliance MC models 29 3 4 Lighting the appliance SC models 29 30 3 5 Checking for clearance of combustion 30 products Section 4 Maintenance 4 1 Removal of the burner assembly manual mo...

Page 3: ...ox dimensions with standard trim fitted Width with standard trim 498mm Height with standard trim 600mm Depth Depth overall without fender Flush fit from mounting face to rear 140mm 100mm Gas Connection 8mm Compression Supplied with fire EfficiencyDeclaration The efficiency of this appliance has been measured as specified in BS 7977 1 2002 and the result is 51 5 The gross calorific value of the fue...

Page 4: ... and flues 7 B S E N 1858 Chinmeys Components Concrete Flue Blocks 8 I S 813 1996 Domestic Gas Installation Republic of Ireland No purpose made additional ventilation is normally required for this appliance when installed in G B When Installing in I E please consult document I S 813 1996 Domestic Gas Installation which is issued by the National Standards Authority of Ireland If installing in North...

Page 5: ...ver 150mm 1 5 FLUE CHIMNEY INSPECTION Before commencing installation a flue or chimney should be inspected to ensure that all the following conditions are satisfied 1 Check that the chimney flue only serves one fire place and is clear of any obstruction Any dampers or register plates must be removed or locked in the open position 2 Brick stone built chimneys or any chimney or flue which has been u...

Page 6: ...ried out during commissioning of the appliance 1 6 FIRE PLACE OPENING AND CHIMNEY CATCHMENT SPACE The front opening of the fire place must be between 330 and 430 mm wide and between 550 and 565mm high If the opening exceeds these dimensions then a surround must be constructed from suitable non combustible material to produce a correct size opening Any surround must be suitably sealed to the fire p...

Page 7: ...h mm Minimum Depth Required mm 330 minimum opening width 183 340 178 350 173 360 170 370 167 380 163 390 158 400 155 410 151 420 146 430 maximum opening width 143 For example if the appliance was to be fitted into a 400mm wide opening the depth required would be 155mm See figure 2 below for explanatory diagram Fig 2 Depth Required e g 155mm Opening Width e g 400mm ...

Page 8: ... contact Formosa Fires for advice before proceeding It is important to ensure that the pre cast flue is in good condition and is free from extruded mortar or sealant from between the flue blocks This appliance has been tested for use in a pre cast flue block complying with BS EN 1858 In accordance with BS EN 1858 pre cast flues built with directly plastered faces front or rear are not correctly in...

Page 9: ...f an oxygen sensing pilot This is designed to shut the fire off in the event of a partial or complete blockage of the flue causing a build up of combustion products in the room in which the fire is operated The following are important warnings relating to this spillage monitoring system 1 The spillage monitoring system must not be adjusted by the installer 2 The spillage monitoring system must not...

Page 10: ...ion book and Installation book 2 2 INSTALLING THE FIRE BOX Establish which type of flue you are intending to install the fire in to 225 x 225mm 9 inch x 9 inch brick built chimneys 175mm 7 inch diameter lined brick or stone flue or insulated pre fabricated metal flue box to B S 715 When installing into 125mm 5 inch diameter lined brick or stone flue or insulated pre fabricated metal flue box to B ...

Page 11: ...nd carefully lift the fire box into the fire opening then slide it back into position Check that the fire box flange fits flush to the sealing face of the fire surround or wall with no gaps present c Remove the four retaining screws securing the burner to the firebox The base of the burner unit can now be pulled forward allowing the burner to be removed outwards and downwards from the fire box See...

Page 12: ...esent f Remove the burner To allow burner removal the control lever operat ing cable must be removed The control lever operating cable can be seen running across the base of the fire below the burner To release the cable unscrew the cable securing screw located in the centre of the aluminium operating arm and pull the cable out from its fixing hole Release the other end of the cable by pushing the...

Page 13: ...crews at either side of the firebox and the two fixing screws at the base of the fire See figure 7 below Carefully pull the base of the burner forwards and downwards from the fuel bed support panel The burner can now be removed from the appliance Fig 7 ...

Page 14: ...ion to the appliance should be made to the isolating inlet elbow using 8mm rigid tubing There must be no soldered joints within the firebox See figure 8a 8b below for suggested concealed pipe layouts Fig 8a Gas Supply Firebox Fig 8b Approx 40mm Fireplace Gas Supply Builders Opening Firebox Approx 40mm Fireplace Note Before breaking into the gas supply a pressure drop test should be carried out to ...

Page 15: ...me reversal which in turn will damage the burner and control systems of the product figure 9 below shows a correctly sealed installation Fig 9 Only holes to be left are the specifically sized air relief holes as indicated by the labels positioned by them and the gas inlet aperture that is used Seal off unused gas inlet apertures and cable fixing holes as shown PLEASE NOTE Formosa Fires WILLNOTBELI...

Page 16: ...at the minimum specified for a precast flue application it may be necessary to bend over the lower fixing eyes after screwing them fully in to the rear of a pre cast starter block i Uncoil the two fire fixing cables and thread one end of each of the cables through one of the two holes on each side of the flue outlet shroud j Position the fire carefully on the protected surface of the hearth and re...

Page 17: ...ry to pull the seal up against the sealing face of the wall it does not need to be compressed Check that there are no gaps behind the seal n With the fire securely in place if a concealed gas connection has been made through either of the access holes in the sides of the fire the holes should be closed around the pipe to prevent leakage of air through the gap around the pipe o Refit the burner Fit...

Page 18: ...box 2 Screws and secure the trim to the fire using the magnets provided q Before making the final gas connection thoroughly purge the gas supply pipework to remove all foreign matter otherwise serious damage may be caused to the gas control valve on the fire The other firebox fixing method is as follows In installations where the cable method is not suitable e g loose masonary in rear of fire open...

Page 19: ...e pressure test point screw for gas tightness with the appliance turned on using a suitable leak detection fluid or detector 2 4 GAS TIGHTNESS AND INLET PRESSURE SLIDE CONTROL MODELS a Remove the pressure test point screw from the pressure test point and fit a manometer b Turn on the main gas supply and carry out a gas tightness test c Depress the control lever to the position marked pilot Hold do...

Page 20: ... the following section prior to requesting a service call due to soot build up poor flame pattern etc a Place the fuel bed base centrally on to the fuelbed support and pull fully forwards to the burner Make sure that the fuelbed base is located centrally in the fire box Ensure that the fuelbed base is not lodged on the burner See figure 13 below Fig 13 b Place the left hand front coal rail mouldin...

Page 21: ...c Place the right hand front coal rail moulding onto the front ceramic rail support as shown below in figure 15 Fig 15 d Fit four large coals behind the ceramic front rails as shown below in figure 16 Fig 16 ...

Page 22: ...small coals and fit onto the ribs of the fuel bed base See figure 17 below Fig 17 f Select the remaining four small coals and arrange along the rear of the fuelbed directly behind the third row of coals See figure 18 below Fig 18 ...

Page 23: ...ll coals If any coals are missing please contact your retailer Do not proceed with the installation Fig 19 S S S S S S L L L L h Ensure the flame paths are un interrupted as shown below in figure 20 If necessary make minor adjustments to the coal positions to ensure the flame paths indicated by the arrows are available Fig 20 ...

Page 24: ...ered vacuum to remove any dust accumulated in and around the appliance before and after working on the appliance When replacing these articles we recommend that the replaced items are not broken up but are sealed within heavy duty polythene bags clearly labelled as RCF waste RCF waste is classed as a stable non reactive hazardous waste and may be disposed of at a landfill licensed to accept such w...

Page 25: ...rior to requesting a service call due to soot build up poor flame pattern etc a Place the fuel bed base centrally on to the fuelbed support and pull fully forwards to the burner Make sure that the fuelbed base is located centrally in the fire box Ensure that the fuelbed base is not lodged on the burner See fig 21 below Fig 21 b Place the left hand front pebble rail moulding onto the front ceramic ...

Page 26: ...bble rail moulding onto the front ceramic rail support and locating pins as shown below in Fig 23 Fig 23 d Fit pebbles A B C D behind the ceramic front rails as shown below in Fig 24 Pebble markings stamped into bottom face Fig 24 C D A B ...

Page 27: ...les E F G and fit onto the ribs of the fuel bed base See fig 25 below Fig 25 E F G f Select pebbles H I J K and arrange along the rear of the fuelbed directly behind the third row of coals See fig 26 below Fig 26 I J H K ...

Page 28: ...A filtered vacuum to remove any dust accumulated in and around the appliance before and after working on the appliance When replacing these articles we recommend that the replaced items are not broken up but are sealed within heavy duty polythene bags clearly labelled as RCF waste RCF waste is classed as a stable non reactive hazardous waste and may be disposed of at a landfill licensed to accept ...

Page 29: ...the control knob and turn to the off position the pilot will now be extinguished 3 4 LIGHTING THE APPLIANCE Slide Control Models a Turn on the isolation valve Depress the control lever fully downwards to the position marked Hold down the control lever for a few seconds to allow the gas to reach the pilot b The fire will then begin its ignition sequence If the pilot does not light continue to press...

Page 30: ... a further 5 10 minutes If the test indicates that spillage is occurring and the flue restrictor baffle has been fitted it should be removed and the test repeated after the fire has cooled d If spillage persists the flue is not functioning correctly and a fault exists If after investigation the fault cannot be traced and rectified the fire must be disconnected from the gas supply and expert advice...

Page 31: ...he way and put them in a safe location Remove the loose coals from the fuel bed and front ceramic rail Remove the front ceramic from the rail Unscrew the two pozi driv fixing screws which secure the burner heat shield and remove it from the fire 4 1 3 Isolate the gas supply and remove the inlet pipe from the appliance inlet elbow Unscrew and remove the four screws which retain the burner Remove th...

Page 32: ...ing Oxy Pilot it is not possible to replace the thermocouple separately because the thermocouple position is factory set to a tight tolerance Any replacement of parts on the pilot requires a complete new pilot assembly 4 4 1 Remove the burner assembly as in section 4 1 4 4 2 Unscrew and remove the thermocouple retaining nut from the end of the control tap and disconnect the ignition lead from the ...

Page 33: ...ow necessary to refit and correctly tension the operating cable To do this first set the control lever to the horizontal central position this is the position which creates maximum tension in the operating cable Refit the operating cable to the aluminium operating arm firstly locating the nipple on one end of the cable into recess in operating arm and then feed the other end through hole in operat...

Page 34: ...e and the two inline leads from the microswitch 4 8 3 Unscrew and remove the two pozi drive screws which secure the pilot assembly to the burner Remove the pilot 4 8 4 Re assemble in reverse order and carry out a gas tightness test 4 9 Replacing the Control Cable 4 9 1 The control lever operating cable can be seen running across the base of the fire below the burner To release the cable unscrew th...

Page 35: ... the bush in the gap between the two lengths of p t f e sleeve Ensure that the cable is located in the retaining hole in the locking bush and tighten the screw sufficiently to retain the cable but still allowing it to slide for adjustment 4 9 6 It is now necessary to correctly tension the operating cable To do this first set the control lever to the horizontal central position this is the position...

Page 36: ...uelbed front rail R H B 107370 Replacement pebble set B 107380 Slide control valve B 40980 Manual control valve B 102880 Battery generator B 43040 Slide control oxypilot B 19660 Manual control oxypilot B 1350 Piezo igniter B 1320 To enable customers to choose their own style of fret these fires are now available without frets In order to maintain the efficient and safe operation of the fire it is ...

Page 37: ...Due to our policy of continual improvement and development the exact accuracy of illustrations and descriptions contained in this book cannot be guaranteed Part No B 177160 Issue 1 ...

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