TOA Electronics BR-42 User's Manual
Contents
1. 13 DO NOT use a fireplace insert or any other products not specified herein by the manufac turerfor use with this fireplace All gas log sets must be operated with the damper clamped open including unlisted vent free log sets Listed vent free log sets may be operated with the damper closed 14 Smoke free operation is not warranteed nor are we responsible for inadequate system draft caused by mechanical systems general construction conditions inadequate chimney heights adverse wind conditions and or un usual environmental factors or conditions be yond our control 15 Never under any circumstances install a fireplace chimney component or any acces sories that has visible or suspected physical damage as a result of handling or transporta tion These items should be inspected by your distributor or qualified factory representative to ensure safe condition When in doubt con sult your distributor 16 For additional safety considerations and complete operating instructions refer to the Care and Operation Manual provided with the fireplace TOOLS AND BUILDING SUPPLIES NORMALLY REQUIRED Tools should Include Phillips screwdriver Hammer Saw and or sabersaw Level Measuring tape Plumb line Electric drill and bits Pliers Square Building supplies Framing materials Wall finishing materials Caulking materials noncombustible Fireplace surround and hearth extension materials noncombustible PRECAUTION2. page 2 Tools and Building Supplies page 2 Precautions page 3 Introduction sss page 3 Clearances Height Requirements page 3 Chimney System page 3 Assembly Outline page 4 Location of Fireplace page 4 Assembly Steps page 5 Preinstallation Notes page 5 Clearances page 5 Installing the Fireplace page 5 Fireplace Specifications page 6 Framing Specifications page 7 Installing the Chimney System page 8 30 Offset through Floor Ceiling page 9 Ten Foot Rule Summary page 11 Multiple Terminations page 11 Chimney Component Calculations page 11 Special Offset Instructions page 12 Offset Calculations page 12 Vertical Elevation Chart page 12 Offset Elevation Chart page 13 Installing Offsets page 14 Optional Equipment Considerations page 14 Forced Air page 14 Combustion Air Kits page 15 Gas Line Connection page 15 Vent Free Appliances page 15 Glass 0
3. 744 CcOco ocLBLn Dn co o Do cocr nm Dnmo occo coc nm nmo jiooc cocr nm Onmo ioo coc n o coccor oo rnm amp mococ coccocr o nm nmo coccoco ocr o rs scoc o o C Bk EO a CMC O COCA OS EO Oe OS tO C O OG OX A0o00 Ay Figure 37 Return Elbow Stabilizer Figure 38 OFFSET ELEVATION CHART FTF8 ES30 Offset Return Elbow Stabilizer Number of FTF8 Chimney Sections NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 OOo OIN O OIN O N Ol N O NH OO O OND H T 0 OM DWH WO OIN HANNA HNOA NH OK o H 0 OH Once crn5o ornr5corn5 oc coo occcoocccoc coo coczcoio cocczoococcococococccooc 13 14 Chimney Section Ne Figure 39 Underside
4. Assembly Return elbows install the same way as round terminations and stabilizers Step 1 Hold return elbow over top of last chimney section Step 2 Center inner slip section into inner flue pipe slip down Step 3 Center outer locking section over outer chimney pipe Push down until locking joint has firmly engaged Step 4 Pull up slightly on return elbow to ensure locking joint has firmly engaged Step 5 Secure support straps to framing members by nailing under tension in sheer Figure 42 Return Elbow Figure 42 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Note The return elbow assembly performs the same function as a stabilizer Consider this when determining the need for a stabilizer Note Do not apply excessive pressure to any subsequent chimney section following return elbow assembly when installing Ensure that each subsequent chimney section is securely attached by testing as noted above OPTIONAL EQUIPMENT CONSIDERATIONS Blower Kits Circulating Models Only Blower Kits model FBK 100 200 are available for use with circulating models The Blower Kit can be installed prior to or after installation of the fireplace When installing the FBK 100 Blower Kit a Blower Switch Kit Model FUBSK is required This switch kit allows for a unit mounted blower switch to be used The FUBSK is not included and must be purchased separately The FBK 200 Blower Kit comes standard with a wall mounted
5. DOORS OF YOUR CHOICE ENSURE ADEQUATE CLEARANCE IS MAINTAINED AT ALL TIMES SO AS NOT TO INTERFERE WITH THE INSTALLATION AND OPERATION OF GLASS DOORS COLD CLIMATE INSULATION If you live in a cold climate it is especially important to seal all cracks around the fireplace opening with noncombustible material and wherever cold air could enter the room Sur rounding materials must be caulked where it meets the black metal facing of the fireplace to avoid cold air intrusion Use noncombustible caulking material only on fireplace facing to seal Also the outside air inlet duct should be wrapped with noncombustible insulation to minimize the formation of condensation Do not place insulation materials on top of fire place or against chimney sections Note A 1 air space must be preserved for all combustible materials extending for any con tinuous length adjacent to the chimney It is especially important to insulate between the studs of an outside chase cavity and under the floor if the floor is above ground level Do not place insulation directly against the fire place or chimney system FIREPLACE FINISHES Mantels and Trim It is sometimes best to frame your fireplace after it is positioned and the chimney is in stalled Frame enclosure for chimney and fire place with 2 x 4 s or heavier lumber Note The header may rest on the two 2 metal top spacers on top of the unit but the header must not be notched to fit around
6. HAVE THE 2 SUFFIX HAVE NOT BEEN TESTED WITH AN UNVENTED GAS LOG SET TO REDUCE RISK OF FIRE OR INJURY DO NOT INSTALL AN UNVENTED GAS LOG SET INTO THIS FIREPLACE Note Illustrations shown reflect typical in stallations with nominal dimensions and are for design and framing reference only Actual installations may vary due to individual design preferences However always maintain mini mum clearances to combustible materials and do not violate any specific installation require ments These fireplaces have been tested and listed by Warnock Hersey Report No J99025865B 231 to U L standard 127 These units are intended for installation in residential homes and other buildings of conventional construction includ ing commercial not in mobile homes These fireplaces have been tested for installa tion in Canada to ULC S610 For installations in Canada the chimney clearance to com bustibles must be 2 inches and the Cold Climat Kit must be installed These fireplace systems are designed for in stallation in accordance with the National Fire Protection Standard for chimneys fireplaces and solid fuel burning appliances NFPA 211 and in accordance with codes such as the BOCA Basic National Codes the Standard Me chanical Code and the Uniform Building Codes WARNING FAILURE TO USE MANUFAC TURE PROVIDED PARTS VARIATIONS IN TECHNIQUES AND CONSTRUCTION MATERIALS OR PRACTICES OTHER THAN THOSE DESCRIBED IN THIS MANUAL
7. MAY CREATE A FIRE HAZARD AND VOID THE LIMITED WARRANTY NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE When complete these fireplace systems con sists of five basic sub systems 1 The Fireplace 2 The Chimney and Termination 3 The Optional Glass Doors 4 The Optional Combustion Air Kits 5 Optional Cold Climate Kit Mandatory in Canada CLEARANCES AND HEIGHT REQUIREMENTS The fireplace may be placed on or near normal construction materials The combustion air kit firestop spacerand roofflashing not chase flashings may be placed directly on or against normal construction materials The chimney and fireplace outer wrapper require a mini mum 1 air space to combustibles A com bustible mantle may be installed 12 above the opening of the fireplace as per NFPA 211 Section 7 2 3 3 1992 In Canada the mini mum is 18 above the fireplace opening The minimum installed height of the completed fireplace systemis 15 0 The maximum height is 60 0 The fireplace and chimney system must be enclosed when installed in or passing through aliving area where combustibles or people may come in contact with it This is important to prevent possible personal injury or fire hazard For questions please call your distributor or the manufacturer Special restrictions apply to the front and facing of the fireplace and nearby walls See pages 16 17 and 18 CHIMNEY SYSTEM These fireplaces are designed and c
8. require a different Sequence 1 Position firebox prior to framing or into prepared framing 2 Install the chimney system 3 Connect house wiring to the fireplace for later attachment of optional blower 4 Install optional outside combustion air kit 5 Plumb gas line if a decorative gas appliance will be used Gas connections should only be performed by an experienced licensed certi fied tradesman 6 Complete the installation finish wall mate rial surround and hearth extension to your individual taste 7 Assemble and attach optional glass door assembly Study the three dimensional illustration Fig ure 1 to get a general idea of each element of your fireplace system PRE INSTALLATION NOTES The fireplace may be installed directly on a combustible floor or raised ona platform of an appropriate height Do not place fireplace on carpeting vinyl or other soft floor coverings It may however be placed on flat wood ply wood particle board or other hard surfaces Be sure fireplace rests on a solid continuous floor or platform with appropriate framing for support and so that no cold air can enter the room from under the fireplace The fireplace may be positioned and then the framing built around it or the framing may be constructed and the fireplace positioned into the opening Usually no special floor support is needed for the fireplace however to be certain 1 Estimate the total weight of the f
9. rust preventative paint designed for metal This is especially important when instal lations are made in abnormally adverse or corro sive environments suchas near lakes oceans or in areas with consistently high humidity condi tions Consult the paint manufacturers instruc tions for proper preparation and application Note 2 clearance to combustibles required in Canada TEN FOOT RULE SUMMARY The minimum chimney height above the roof and or to adjacent walls and buildings is speci fied by all major building codes If the horizontal distance from the peak of the roof is less then 10 the top of the chimney must be at least 2 above the peak of the roof If the horizontal distance from the chimney edge to the peak of the roof is more than 10 a chimney height reference point is established on the roof surface 10 horizontally from the chimney edge Less Than 10 Figure 35 The top ofthe chimney must be at least 2 above this reference point In all cases the chimney cannot be less then 3 abovethe roof atthe edge of the chimney The 2 in 10 rule is necessary in the interest of safety but does not ensure smoke free opera tion Trees buildings adjoining roof lines ad verse wind conditions etc may require a taller chimney should the fireplace not draft properly see Figure 35 MULTIPLE TERMINATIONS If more than one termination is located in the same chase or within the same general pro
10. the k or r values are known T Thickness of material in inches k Kvalue of desired material r Rvalue of desired material T Minimum listed thickness Example Micore CV230 is to be used for the hearth extension fireplace How thick must this material be Using the k formula Desired k value of desired Min thickness Required material per inch x of Listed Thickness k value of listed Material material per inch inches T nches 0 43 x 1 Answer using 1 x 1 1 1 thickness Micore will be required Using the r formula Desired r value of listed Min thickness Required material per inch x of Listed Thickness rvalue of desired Material material per inch T inches 2 33 xT T inches 2 33 1 2 33 Answer using r 1 1 1 1 thickness Micore will be required At times it is important to know what combina tion of materials are acceptable for use as hearth extensions The R values are used to determine acceptable combinations of materi als because R values are additive where r and k values are not NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE R value r x thickness of material used 1 Alternative Hearth Extension and Wall Shield Materials Material Alternative Materials Micore CV230 0 43 2 33 1 U S Gypsum Ceraform 126 0 27 3 70 9e Johns Manville Example Given that the required R
11. variable speed control switch Note The fireplace must have provisions for a wall mounted On Off switch in order to install the FBK 200 THE FIREPLACE MUST BE WIRED TO THE HOUSE ELECTRICAL SYSTEM AT THE TIME OF INSTALLATION IN ORDER FOR THE OP TIONAL FANS TO OPERATE SEE FIGURES 43 AND 44 Note The utilization of fans will increase the air flow around the firebox However only a minimal increase in heat output should be anticipated POWER TO THE FIREPLACE The Optional Blower Kit Operates on 115 volt 60 Hz 150 watts AC HOUSE WIRING GROUND WIRE COVER PLATE House Wiring Must Be Secured Replace Cover Plate With The Appropriate Electrical After Electrical Connector To The Fireplace Hook Up Convenience Outlet Wiring Figure 43 THIS FIREPLACE IS NOT INTENDED TO BE USED AS A SUBSTITUTE FOR A FURNACE TO HEAT AN ENTIRE HOME USE FOR SUPPLE MENTARY HEATING ONLY BLOWER THREE PRONGED PLUG TO GROUNDED OUTLET Figure 44 The FBK 100 200 Blower Kits are design certi fied by Warnock Hersey for use with these appliances Always check local building codes Installation of the FBK Blower Kits must comply with local regulations as well as the National Electric Code Combustion Air Kits These appliances are equipped with an outside make up air door and integral actuator arm If the appliance is to be installed with an outside air vent system use only FireCraft Models FAOK or FA
12. 00 page 16 Cold Climate Insulation page 16 Fireplace Finishes page 16 Mantels and Trim page 16 Hearth Extensions Wall Shields page 16 Finish Requirements page 18 Installation Components page 18 IMPORTANT PLEASE READ AND UNDERSTAND THESE RULES TO FOLLOW FOR SAFETY 1 Before starting your fireplace installation read these installation instructions carefully to besure you understand them completely and in entirety Failure to follow them could cause a fireplace malfunction resulting in serious injury and or property damage 2 Always check your local building codes The installation must comply with all local regional state and national codes and regulations 3 These fireplaces must be installed with Security Chimneys FTF8 8 inside diameter Chimney System only These systems are in tended for use in any application where a traditional masonry type fireplace would ap ply The chimney system must always vent to the outside of the building 4 To ensure a safe fireplace system and to prevent the build up of soot and creosote inspect and clean the fireplace and chimney priorto use and periodically during the heating season 5 Use solid fuel only DO NOT use artificial wax based logs chemical chimney cleaners or flame colorants in your fireplace 6 DO NO
13. CT1 19 The manufacturer reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and products Consult your local distributor for fireplace code information HEARTH PRODUCTS Printed in U S A 2001 by LENNOX 1110 West Taft Avenue P N 700 026M REV C 11 2003 Orange CA 92865
14. Min Distance To Protected Side Wall Min Distance To Unprotected Side Wall Figure 52 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE INSTALLATION COMPONENTS The following items are available for use in the installation of this appliance SS cuc Chimney Section 63L10 FTF8 12 63L13 FTF8 18 63L14 FTF8 36 63L15 FTF8 48 Canadian 62L92 FTF8 18C Chimney Section 62L93 FTF8 36C Storm Collar 63L59 FSC Locking Band 63L60 FLB Take Off Boot 91L04 FATO Unit Mounted Blower Switch Kit 91L48 FUBSK Shipping Weight 188 Ibs INSTALLATION COMPONENTS FBK 200 Models Only gt Forced Air Blower Kits Single Speed 80L84 FBK 100 Variable Speed 80L85 FBK 200 Outside Combustion Air Kits with duct 81L87 FOAK without duct 81L88 FOAK LD 63L38 F8F6 Flashing 63L39 F8F12 Combination Offset Return Elbow 63L28 FTF8 0R15 Chase Termination 96L20 FTF8 CTT Firestop Spacer Flat 63L29 F8FS Firestop Spacer Flat 63L31 F8FS 2 Firestop Spacer 30 63L30 F8FS30 Firestop Spacer 30 63L32 F8FS30 2 Chase Termination 96L22 FTF8 ATT gt Cold Climate Kit 63L65 FTF8 CCK3 LD Attic Shield Assembly 63L67 FTF8 FSAS NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Stabilizer 63L25 FTF8 S4 Offset Return Package 30 63L22 FTF8 ES30 Chase Termination Square 63L51 FTF8 CT2 Chase Termination Round 63L45 FTF8 CTDT Round Termination 63L42 FTF8 CTD Chase Termination Square 63L48 FTF8
15. OK LD Combustion Air Kits These kits come complete with detailed installation instructions and all components necessary in completing a combustion air vent system After completing the installation of the optional combustion air vent system the actuator arm must be put in service and tested to ensure proper operation before completing any enclo sure around the firebox Failure to do so may result in extensive and costly rework WARNING DO NOT REMOVE THE AC TUATOR ARM LOCKING SCREW UNLESS THECOMPLETE OUTSIDE AIR VENT SYS TEM HAS BEEN INSTALLED IN ACCOR DANCE WITH THE DETAILED INSTRUC TIONS PROVIDED WITH THE KIT Locate the actuator arm along the right side of the appliance firebox opening and refer to Figure 45 After completing the installation of the Outside Combustion Air Kit remove and discard the actuator arm locking screw Combustion Air Actuator Remove Locking Screw and Pop Actuator to the Left Before Initial Use Pull Forward to Open Push Back to Close Figure 45 To operate push the end of the actuator to the leftas shown in Figure 45 until it pops free of its locked position Pull the actuator forward to open the combustion air door and push it back to close To lock the combustion air door closed ensure the actuator is pushed all the way back then push the end of the actua tors to the right until the step in the actuator moves behind the appliance front face within the slotted ope
16. Of Chimney b Figure 40 FTF8 E30 Return Elbow FTF8 30 Offset Elbow 5 B Ee Y Chimney Section S Part of Offset Return Package Model FTF8 ES30 Figure 41 INSTALLING OFFSETS First review the Offset Elevation Chart and Figure 41 for reference Step 1 Determine the offset distance where chimney is to pass through the first ceiling dimension A To find this point on your ceiling first determine the center point for a vertical chimney following the instructions for vertical installation Measure height to the ceiling from the top of fireplace dimension B Use the appropriate Offset Elevation Chart to find dimension A Mark point where you will drive your nail to show the center point for your offset ceiling cut Step 2 Proceed by using the Straight Up Instal lation Instructions for cutting and framing ceil ing and roof openings Note See Framing and Dimension Chart for the sizes of the ceiling and roof openings The size of the roof opening varies with the degree of pitch of the roof Offset Elbow Assembly Offset elbows install the same as chimney sections First snap the inner section INTO the preceding inner section of flue Check connec tion by pulling up slightly to ensure a tight fit Next the outer sections snap lock OVER the preceding outer section of chimney Again check outer section by pulling up slightly to ensure proper connection is made Return Elbow
17. S Note These fireplace systems are not difficult to install However in the interest of safety it is recommended that the installer be a quali fied or certified tradesman familiar with com monly accepted fireplace installation and safety techniques as well as prevailing local codes The most important areas of concern dealing with the installation of factory built fireplaces areclearancesto combustible materials proper assembly of component parts height of the chimney system the proper use of accesso ries supplied by the manufacturer and the techniques employed in using finishing mate rials applied to the wall surrounding the fire place hearth extensions and wall shields Each of these topics will be covered in thorough detail throughout this manual Please give each your special attention as you progress with your installation INTRODUCTION General Information These fireplaces are conventional radiant heat fireplaces with standard bar grates optional outside combustion air kits and optional deco rative glass doors TYPICAL INSTALLATION Chimney and Termination Outside Combustion Air Kit Optional Radiant Model Shown Figure 1 The C models are designed as heat circulating fireplaces and may be fitted with accessory fans The BRI and BCI models are fully insulated for installation in colder climates WARNING MODELS THAT
18. SUPERIOR RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE We suggest that our woodburning hearth products be installed and serviced by professionals who are certified in the U S by the National Fireplace Institute NFI as Woodburning Specialists or who are certified in Canada by Wood Energy Technical Training WETT www nficertified org Wood Energy Technical Training INSTALLATION INSTRUCTIONS STANDARD SERIES 42 Wood Burning Fireplaces P N 700 026M REV C 11 2003 MODELS BR 42 BC 42 BRI 42 BCI 42 BR 42 2 BC 42 2 This installation manual will enable you to obtain a safe efficient and dependable installation of your fireplace system Please read and under stand these instructions before beginning your installation Do not alter or modify the fireplace or its components under any circumstances Any modification or alteration of the fireplace system including but not limited to the fireplace chimney components and accessories may void the warranty listings and approvals of this system and could result in an unsafe and potentially dangerous installation IMPORTANT TO ASSURE PROPER ALIGNMENT OF GLASS DOORS INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CONDITION USING SHIMS AS NECESSARY AT SIDES AND OR BOTTOM PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE ANTERTE WH Report No J99025865B 231 az 7 US cn aes TABLE OF CONTENTS Safety Rules
19. T use charcoal or coal under any circumstances 7 NEVER use gasoline gasoline type lantern fuel kerosene charcoal lighter fluid or similar liquids to start or freshen up a fire in this fireplace Keep any flammable liquids a safe distance from the fireplace 8 NEVER leave children unattended when there is a fire burning in the fireplace 9 Always keep flue damper open when heat is present in the fireplace 10 Before servicing allow the fireplace to cool Always shut off any electricity or gas to the fireplace while working on it This will prevent any possible electrical shock or burns 11 This fireplace is not intended to heat an entire home or be used as a primary heat source It is designed to ensure homeowner comfort by providing supplemental heat to the room 12 Always ensure an that adequate supply of replacement combustion air from the outside ofthe house is accessible to the fire to support normal combustion Fireplaces consume large volumes of air during the normal combustion process In the eventthe home is tightly sealed with modern energy efficient features the op tional combustion air kit may not provide all the air required to support combustion The manufacturer is not responsible for any smoking or related problems that may result from the lack of adequate combustion air It is the responsibility of the builder contractor to ensure that adequate combustion air has been provided for the fireplace
20. alled correctly it will not separate when you test it Also the inner flue joint where each section is joined should be tight and flat without gaps Figure 26 Figure 26 Outer pipe section installs in just the opposite way the lanced end goes down and each new section goes OVER the outside of the previous section installed Figure 27 Locking Tabs Lances dj Figure 27 Note Assemble one component of chimney at a time inner section first then outer section last before proceeding with the next complete section Continue to assemble the chimney up through framed opening Assemble just enough to pen etrate the roof flashing openings Figure 26 Always maintain 1 minimum air space to combustible materials and always check each chimney joint innerand outer to ensure proper engagement Check vertical alignment of chim ney so that it projects from the roof in true vertical position 1 Min Air Space To Combustibles Figure 28 10 Security s chimney sections do not need to be screwed together Additional reinforcement is not necessary except in certain offset condi tions refer to page 14 Figure 39 Step 5 The height of vertical chimney pipe supported only by the fireplace must not ex ceed 30 Chimney heights above 30 must be supported by a Model FTF8 S4 stabilizer in stalled at 30 intervals Note The Model FTF8 S4 adds 3 net effective height to the total chimney system I
21. e On The Floor Figure 50 WARNING WHEN INSTALLING THE HEARTH EXTENSION BE CAREFUL NOT TO BLOCK THE HEAT CIRCULATING AIR INLET GRILL ON CIRCULATING MODELS WARNING WHEN INSTALLING HEARTH EXTENSION IN FRONT OF A CIRCULAT ING FIREPLACE MODEL THE FIREPLACE MUST BE RAISED IF HEIGHT OF HEARTH EXTENSION EXCEEDS 2 ABOVE BOTTOM OF FIREPLACE FIGURE 51 Max Thickness Of Hearth Extension When Circulating Models Are On The Floor Figure 51 Secure the hearth extension to the floor to prevent possible shifting FINISH TO YOUR TASTE There are a wide variety of finished looks for these fireplaces from formal wall decor with elaborate mantels to rustic wood paneling or warm brick facings Only noncombustible materials like stone tile brick etc may overlap the black front facing Do not extend these materials beyond the black facing and into the firebox area Be sure not to interfere with the installation and operation of glass doors or block the upper or lower grilles Seal all joints between the black facing and wall surrounds to prevent air intrusion Use non combustible caulking material only to seal the black metal facing to the surround material on the finished wall Combustible materials may project beyond the sides of the fireplace opening as long as they are kept within the shaded areas illustrated in Figure 52 Combustible Materials Allowed In Shaded Area Safe Zone i Fireplace
22. ey and or 10 of offset chimney 12 4 Determine amount of chimney height re quired by subtracting total combined height of all pre selected components fireplace and chimney components from total desired height Reference Vertical Elevation Chart and deter mine the number of chimney sections quantity and length required SPECIAL OFFSET INSTRUCTIONS To clear any overhead obstructions you may offset your chimney system using Security s 30 offset and return elbows Use two elbows an offset elbow to initiate the offset and a return elbow to terminate it A 30 offset elbow an gling in any direction may be the first compo nent used off the top of the fireplace flue collar The offset and return elbows may be attached together or a section or sections of chimney may be used between but do not exceed 20 in total length between elbows If sections of pipe exceed 10 between elbows a chimney stabi lizer must be used at the midpoint Figure 37 The stabilizer support straps must be attached under tension in shear to structural framing members above When two sets of elbows are used the maximum combined length of chim ney used between elbows cannot exceed 20 Figure 38 Example If C 10 then C cannot exceed 10 If an offset exceeds 6 in length each chimney joint beyond the first 6 of offset to the return elbow must be secured by a No 8 x 1 2 sheet metal screw located atthe underside ofthe joint F
23. gure 32 Note If chimney extends more than 8 above roof surface guy wires are also recommended Use three 3 guy wires attach to locking band assembly extend and secure to roof in a trian gular pattern Figure 33 Guy wires are not supplied by the manufacturer Roof Ridge Figure 33 Step 10 Using a FTF8 CTD Round Termination 1 Hold the FTF8 CTD over top of last chimney section see Figure 34 2 Center inner slip section in inner flue pipe slip down 3 Center outer locking section over outer flue pipe Push down until locking tabs are firmly engaged CTD Termination Pe Chimney Figure 34 4 Pullup slightly on CTD to ensure locking joint has firmly engaged Using a FTF8 CTDT Chase Termination Refer to specific installation instructions in cluded with the FTF8 CTDT chase termination for clearance and installation details Using a FTF8 CT1 Chase Termination Refer to specific installation instructions in cluded with FTF8 CT1 chase terminations for clearance and installation details Using a FTF8 CT2 Chase Termination Refer to specific installation instructions in cluded with FTF8 CT2 chase terminations for clearance and installation details Note It is recommended that all exterior ex posed metal fireplace components such as ter minations flashings storm collars and or flue be painted with a premium quality high tem perature
24. he safety strips should overlap 1 2 for continual coverage of the floor Note Safety strips are not required when fire place rests on a noncombustible surface NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE oe Top Spacer Maintain 1 25 mm Air Space At Back And Sides Hearth Extension Metal Safety Strip Floor Va Note Hearth extensions must not interfere with circulating grillwork Figure 6 Maintain And Sides Hearth Extension 1 25 mm Space Note Hearth extensions must not interfere with circulating grillwork Figure 7 Note Install the hearth extension only as illus trated The safety strips should extend from front of the fireplace at least 1 12 and should extend to be at least flush with the sides In the event a wooden support is used to elevate the fireplace above the floor a Z type safety strip should be fabricated and used to protect the front surface ofthe wood support as well as the floor beneath the hearth extension Figures 8 and 9 The safety strips should be tacked down to prevent possible movement Note The 2 type safety strip is not supplied FIREPLACE SPECIFICATIONS 12 m 318 mm 213 mm A 13 746 341 41 172 Metal Safety Strips HL 1092 ETE Figure 8 7 3 16 183 Blocking 45 p 1143 mm g Front Fire
25. ically If chim ney penetrates ceiling at 30 angle offset chim ney use 30 firestop spacer Model F8FS30 Use one nail on opposite sides to hold firestop spacer in position Nail permanently using at least two 2 more 8d nails after chimney sections have been assembled through the firestop spacer and after any necessary adjust ments have been made Firestop spacer must be secured by at least four 4 8d nails when completely installed Note If there is a room above ceiling level firestop spacer must be installed on the bottom side of the ceiling If an attic is above ceiling level firestop spacer must be installed on top side of ceiling joist Figures 21 and 22 Room Above Firestop Spacer Figure 22 CHIMNEY 30 OFFSET THROUGH FLOOR OR CEILING It may be necessary to assemble the chimney at 30 when passing through the floor or ceiling area Use the F8FS30 firestop spacer as shown in Figures 23 and 24 Support the chimney at floor or ceiling penetration with a FTF8 stabi lizer if distance of chimney below ceiling is 10 or more Maintain 1 minimum air space to combustibles from chimney sections Note 2 clearance to combustibles required in Canada Attic Space 1 Min 1 Min Air Space 1 Max 30 Firesto And Attic Above Figure 23 Room Above F8FS30 Firestop Spacer 1 Min Air Space 10 30 Firestop Max And Ro
26. igure 39 A 1 diameter hole must be drilled in the chimney joint using diameter drill Hole should be drilled in center of joint overlap Figure 40 Be sure to drill only through the outer chimney casting Do not puncture the inner flue Maximum offset of chimney system is 30 Two offsets must not be assembled to form a 60 offset However two sets of offset and return elbows may be used on a single flue system provided the total height of the system exceeds 25 Return elbow support straps must be securely attached under tension in shear to structural framing members above Do not substitute a FTF8 30 offset elbow in place of a FTF8 E30 return elbow OFFSET CALCULATIONS Step 1 Use Offset Chart to determine amount of horizontal offset A and height B for vari ous chimney section assemblies Step 2 Use Height of Chimney Only column in The Vertical Elevation Chart to determine combinations of chimney used above return elbow to achieve desired heights Reference Components Effective Height Chart in vertical elevation chart section Step 3 Use Elevation Chart as job estimator only Add necessary firestop spacers and sta bilizers as required Firestop spacers must be used as shown in Figures 23 and 24 and stabilizers as shown in Figure 29 FTF8 VERTICAL ELEVATION CHART Number Of FTF8 Height Of Chimney Only Chimney Lengths Inches Feet inches 12 t8 36 48 11 11 1 0 Height Of N
27. iling along the perimeter into roof using 8d nails If shingled roof slide upper end and sides of roof flashing under shingles trim if necessary seal the top and both sides of the flashing to the roof with roof caulking Cover nail heads with roof caulk ing Figure 37 Figure 31 Step 8 The standard Security Chimneys FTF8 roof flashing assemblies include a storm col lar Slide the storm collar over outer chimney rest on flashing spacers and align with top surface of flashing Insert tab in slot pull tight and bend tab back over slot Seal storm collar to outer chimney with roof caulking or mastic around entire circumference of pipe Also add extra roof caulking to the tab slot area to seal completely against water penetration Figure 32 Check all joints very carefully to ensure no water intrusion can take place NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Locking Band Mastic Figure 32 Step 9 Security Chimneys locking bands Model FLB may be required if the chimney extends too high above the roof flashing As a general rule if the chimney extends more than 6 above the roof flashing the use of locking bands is advisable to strengthen the chimney assembly Align the locking band at the chim ney joint Locking bands wrap around pipe joints equally covering the joints of both pipe sections Use the nut provided and TIGHTEN snugly Do not overtighten as this might dam age the chimney section refer to Fi
28. installing a gas line connect it before the fireplace is framed and enclosed in the finished wall The gas knockout is determined by the indentation located at the bottom and slightly off center in the side refractories 15 16 THEKNOCKOUT IS ALWAYS REMOVED FROM INSIDE THE FIREPLACE DO NOT REMOVE THE KNOCKOUT UNLESS YOU ARE INSTALL ING A GAS LINE If removal is attempted from the outer wrapper side refractory damage may occur With a medium sized hammer lightly tap the surface of the indentation The refrac tory material is very thin in this area and is easily removed Once a small hole has been made continue tapping until you have reached suffi cient diameter for the gas line to fit through The entire knockout does not have to be removed Remove insulation in the gas line channel IMPORTANT REPACK INSULATION MATERIAL IN SQUARE HOLE AROUND GAS LINE INTE RIOR AND EXTERIOR OF FIREPLACE TO SEAL Glass Doors If glass doors are to be installed on these fireplaces refer to specific installation instruc tions packed with the glass doors Use only the doors that are listed for use with these fire places Use of other non listed glass door on these fireplaces may constitute a potential fire hazard and is not recommended CAUTION CERTAIN GLASS DOORS OVERLAP THE BLACK METAL FACING OF THE FIRE PLACE IF THE FIREPLACE HAS BEEN FACED WITH NONCOMBUSTIBLE MATERIALS THERE MIGHT NOT BE SUFFICIENT CLEARANCE TO INSTALL THE GLASS
29. ireplace system including chimney and surround ma terials such as brick stone etc to be in stalled Shipping weights for the fireplace may be found on page 18 2 Measure the square footage of the floor space to be occupied by the system surrounds and hearth extensions 3 Note the floor construction i e 2 x 6 s 2 x 8 s or 2 x 10 s single or double joists type and thickness of floor boards 4 Use this information and consult your local building code to determine if you need addi tional support CAUTION DO NOT BLOCK THE HEAT CIRCU LATING AIR INLET AND OUTLET PORTS ON CIRCULATING MODELS DOING SO MAY RE SULT IN A POTENTIAL FIRE HAZARD If you plan to raise the fireplace and hearth extension build the platform assembly then position fireplace and hearth extension on top Secure the platform to the floor to prevent possible shifting CLEARANCES Minimum clearance to combustibles for the appliance is as follows sides and back 1 25 mm floor 0 0 mm adjacent wall 12 305 mm ceiling 37 953 mm INSTALLING THE FIREPLACE Step 1 Slide the fireplace into prepared fram ing or position fireplace in its final position and frame later The fireplace may not be recessed into a com bustible floor Maintain the floor to hearth clear ance established by the fireplace lower front face Step 2 Insert the provided metal safety strips beneath the fireplace as illustrated Figures 6 7 and 8 T
30. locked in position all the way to the left the damper is closed X Damper Closed Open Lintel Damper Combustion Air Actuator Figure 3 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE LOCATION OF FIREPLACE Carefully select the proper location for heat circulation aesthetics chimney obstructions and clearance to side wall s With proper pre planning a slight adjustment of a few inches can save considerable time and expense later during construction and assembly Optiona Outside Chase Figure 4 Carefully consider the position of the fireplace opening with respect to the location of adja cent or nearby stairwells bath or kitchen ex haustfans and or return air registers for forced air furnaces air conditioners that could cause a smoking fireplace condition if the house is tightly insulated When locating the fireplace consideration must be given to combustibles and final finishing See Figure 5 and confine the final location of combustible finish materials to the Safe Zone DO NOT permanently place furniture or other items such as decorative pillows within 60 of the fireplace front face Black Portion Of Frame Not To Be Covered With Combustible Materials Wall Covering J AB LITT Figure 5 ASSEMBLY STEPS Note The following steps represent the normal sequence of installation Each installation is unique however and might
31. ning Operate the actuator through several cycles including the lock position Ensuring proper operation and freedom of movement Return the actuator arm to the locked position Gas Line Connection Install a v gas supply line through fireplace wall for connection to a decorative gas appli ance inside the firebox Outside the gas supply line connects to a gas shut off valve recessed flush into the wall or floor The valve should be controlled by a removable valve key for safety Always plumb gas line installation per local codes Check all connections with soap suds leaks will bubble Never test any gas line con nection with a match or open flame This provision is intended for connection to a decorative gas appliance incorporating an au tomatic shut off device and complying with the Standard for Decorative Gas Appliances for installation in vented fireplaces ANSI Z21 60 1991 or American Gas Association draft re quirements for Gas Fired Log Lighters for Wood Burning Fireplaces Draft No 4 dated August 1993 Install in accordance with the National Fuel Gas Code ANSI 7223 1 This complies with the revised U L 127 standard NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Vent Free Appliances This unit has been tested and approved to ANSI IAS AGA Z21 11 2 for use with unvented gas appliances and complies with the stan dard for Factory Builtfireplaces UL 127 when installed with unvented gas log sets Special inst
32. nstall the Model FTF8 S4 stabilizer by fitting inner section down into respective section of proceeding flue pipe and locking outer stabi lizer section into place over the outer chimney pipe Position for proper clearance through framed opening and nail straps securely under tension in shear into place on framing Use 8d nails Attach successive lengths of chimney pipe directly to stabilizer using same tech niques as described in Step 4 Figure 29 FTF8 S4 Stabilizer Figure 29 Note Do not apply excessive pressure to any subsequent chimney sections following the stabilizer when installing Ensure each subse quent chimney section is securely attached by testing as noted in Step 4 Step 6 Select the proper Security Chimneys roof flashing based on pitch of roof Use chart below for selection Roof Pitch Flat to 6 12 F8F6 6 12 to 12 12 Note 2 clearance to combustibles required in Canada Next slide roof flashing over extended chimney section that previously has been installed above the roof opening in Step 4 FTF8 flashings require flashing spacers Slide flashing all the way down until the flashing base rests flat on the roof Figure 30 Again check the vertical position of the chimney and the 1 minimum air space to combustibles FTF8 Chimney Flashing Spacers gt FTF8 Flashing Figure 30 Note Do not caulk or seal the ventilating openings Step 7 Secure flashing by na
33. ode listed for use with Security Chimneys FTF8 chimney System only Always use Security Chimneys FTF8 chimney components with these fire places Do not modify or alter these compo nents as this may cause a potential serious hazard and void the Warranty Construction Materials e framing materials paneling e particle board flooring e millboard dry wall plywood etc Note 2 clearance to combustibles around chimney components required in Canada Insulate Joists Same As Ceiling Draft Firestop CTDT Termination Note Non Combustible ase Flashing ust Be Used To Cover Chase Opening Optional Insulation In Outside Walls Of Chase 8 Level Solid Continuous Surface Outside Insulation Base Thermal Barrier Figure 2 WARNING IF INSULATION IS USED THE FIREPLACE MUST NOT BE PLACED DI RECTLY AGAINST IT INSULATION OR VAPOR BARRIERS IF USED MUST FIRST BE COVERED WITH GYPSUM BOARD PLYWOOD PARTICLE BOARD OR OTHER MATERIAL TO ASSURE INSULATION AND VAPOR BARRIERS REMAIN IN PLACE WARNING DO NOT PACK OR FILL RE QUIRED AIR SPACES WITH INSULATION OR OTHER MATERIAL NO MATERIAL IS ALLOWED IN THESE AREAS Note Do not insulate the chase cavity with blown or fill type insulation materials Note Local codes may not require firestopping at the ceiling levels for outside chase installa tions However it is recommended for safety and
34. om Above Figure 24 For Canada Only When installing the chimney system through an open attic space the attic shield assembly firestop spacer must be used Figure 25 This installation is required only for use in Canada Figure 25 Note For Canadian installations all chimney installed outside the building must be constructed with galvalume outer sections only effective January 1 1992 The appropriate model desig nations are located in the back of this manual Step 4 Note Chimney sections are con structed with a unique locking tab design which ensures an immediate tight assembly between sections Plan your chimney require ments carefully before assembly as chimney is difficult to disassemble after installation If disassembled the tabs might become dam aged Be certain tabs are properly formed to ensure locking tabs engage properly The Security Chimneys FTF8 chimney system is a two piece chimney which snap together from the fireplace up Start with the inner flue section with the lanced end up snap lock it in to the matching collar on top of the fireplace At all subsequent joints the upper flue section fits into the preceding flue section Each piece snaps together by means of locking tabs 9 locking tabs per joint Check each piece by pulling up slightly from the top to ensure proper engagement before installing the next section NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE If the flue has been inst
35. ontinuing check the operation of the damper as described on page 4 refer to Figure 3 Step 2 Using standard construction framing techniques construct opening for chimney route up through the ceiling s and roof orthroughan outside chase Framing must maintain adequate minimum air space clearance at all times NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE CAUTION ALLOW MINIMUM 1 CHIMNEY AIR SPACETO COMBUSTIBLE FRAMING MEM BERS THROUGHOUT VERTICAL OR OFFSET CHIMNEY INSTALLATION Aminimum 1 airspace must be reserved for all combustible materials extending for any continuous length surrounding the chimney Note 2 clearance to combustibles required in Canada Reference Figures 15 and 16 and charts Fram ing Dimensions for Ceiling and Roof which specify minimum ceiling and roof dimensions In new construction to determine chimney cen ter line use plumb line from roof or ceiling above fireplace to center of flue collar on fireplace For remodeling plumb to center of flue collar from ceiling above drive nail through ceiling from below to mark position then mark and cut to passage from above ceiling around nail Figure 20 Then plumb from ceiling or roof level directly above hole which has just been completed Figure 20 Step 3 Position appropriate firestop spacer at ceiling and nail temporarily with two 2 8d nails Use flat firestop spacer Model F8FS 2 if chimney penetrates ceiling vert
36. place Top Spacer Metal Safety Strips i Figure 9 Combustion Air Inlet Step 3 Refer to fireplace drawings and specifi cations on pages 6 and 7 for framing dimensions and details Frame appliance enclosure as illus trated in Figures 11 through 14 on page 8 38 Gas Line 365 mm 19 IMPORTANT UNDER NO CIRCUMSTANCES Access 483 mm Gas Line CAN THE FIREPLACE TOP SPACERS FIGURE Access ction 10 BE REMOVED OR MODIFIED NOR MAY a Box YOU NOTCH THE HEADER TO FIT AROUND OR Y Y BE INSTALLED LOWER THAN THE SPACERS m a a THE HEADER MAY IN DIRECT CONTACT 540 mm WITH THE TOP SPACERS BUT MAY NOT BE SUPPORTED BY THEM Left Side 43 1092 mm 21 14 540 Right Side Note The framed depth 20 56 524 mm from a framed wall must always be measured from 802 mm o a finished surface If a wall covering such as Fo drywall is to be attached to the rear wall then 8 the 20 524 mm must be measured from 208 mm the drywall surface It is important that this dimension be exact Fireplace If the appliance is to be elevated above floor Top Spacer level a solid continuous platform must be constructed 1143 r 1194 mm g Top View The header may rest on the top metal spacers but must not be notched to fit around
37. re 78 Figure 18 Step 6 Connect the 6 102 mm Class 0 air duct provided by installer to the duct collar on the fireplace and secure with two 2 screws from the kit s hardware package Step 7 Route the Class 0 air duct out the back or side wall up through the ceiling or floor joists to an outside wall The air inlet hood should be located above snow level or above any anticipated snow level Figure 19 Install As Shown With Opening In Downward Position Do Not Block Entrance 5 Foot Min Height From Outside Ground Level Figure 19 Note If the fireplace is installed againstan inside wall the class 0 air duct may be extended into a ventilated attic space at least 18 475mm above the attic floor Secure the air inlet hood to a vertical post with the inlet positioned downward Ensure that nothing blocks the hood opening This hood must never terminate higher than three 3 feet below the termination Step 8 Cut or frame a hole through the outside wall for the installation of the air inlet hood A6 1 2 diameter hole is required Feed the loose end of the flexible duct through the hole and attach to the collar on the air inlet hood using two 2 screws from the kit s hardware package Insertthe hood into the opening Secure the inlet hood in place with nails driven through the holes in the flange Seal with noncombustible water proof silicon type caulking INSTALLING THE CHIMNEY SYSTEM Step 1 Before c
38. ructions with regards to mantle installa tions must be taken into consideration when installing such appliances The unit has been tested for use with any unvented log sets having a maximum rating of 32 000 BTU The minimum mantle configura tion for these log sets are outlined in Figures 46 and 47 Log sets with 40 000 BTU may be installed provided that no combustible mantle projec tions are placed lower than 18 inches from the fireplace opening These fireplaces have been marked with a maximum rating of 32 000 BTU to assure that homeowners do not exceed the allowable lim its forall allowed installations of mantles That limit may be increased to 40 000 BTU pro vided that the mantle installed complies with the 18 inch limitation and a copy of these instructions are available NEVER INSTALL AN UNVENTED GAS LOG SET WITH A BTU GREATER THAN 32 000 IF COMBUSTIBLE MANTLE PROJECTIONS ARE LOWER THAN 18 INCHES ABOVE THE FIRE PLACE OPENING WARNING MODELS THAT HAVE THE 2 SUFFIX HAVE NOT BEEN TESTED WITH AN UNVENTED GAS LOG SET TO REDUCE RISK OF FIRE OR INJURY DO NOT INSTALL AN UNVENTED GAS LOG SET INTO THIS FIREPLACE CAUTION WHEN USING THE DECORATIVE GAS APPLIANCE THE FIREPLACE DAMPER MUST BE SET IN THE FULLY OPEN POSITION CAUTION PLUMBING CONNECTIONS SHOULD ONLY BE PERFORMED BY A QUALIFIED LI CENSED PLUMBER MAIN GAS SUPPLY MUST BE OFF WHEN PLUMBING GAS LINE TO FIRE PLACE OR PERFORMING SERVICE If you re
39. s The hearth extension must extend 8 beyond both sides of the fireplace opening and 16 beyond the front Figure 48 Use a hearth extension constructed of a du rable noncombustible material having an equal or greater insulating value of k 43BTU IN FT HR F or a thermal resistance that equals or exceeds r 2 33 HR F FT BTU IN With these values determine the minimum thickness material required using the formula and the Table on page 17 Note Any noncombustible material whose k value is less than 43 or whose r value is more than 2 33 is acceptable If the fireplace is installed on a combustible floor use the metal safety strips provided on the floor extending half under the fireplace and half under the hearth extension refer to Fig ures 6 and 7 A wall shield is required where a continuous perpendicular side wall is within 12 of the fireplace opening Figure 49 Use a 36 x 36 wall shield constructed of millboard or a du rable noncombustible material having an equal or greater insulating value than 54BTU IN FT HR F At no time may a perpendicular side wall be positioned closer than 9 inches If fireplace is installed diagonally across a 90 corner no wall shields are required Figure 48 Figure 49 Wall Shield Required Where Less Than 12 Methods of Determining Hearth Extension and Wall Shield Equivalents To determine the thickness required for any material when either
40. sure Including Finising Materials if any FOAK Combustion Air Kit Optional Rough Framing Face Unfinished Shown Corner Installation Figure 14 E Ceiling Framing Figure 15 Roof Framing Figure 16 Framing Dimensions for Roof FTF8 at 1 FTF8 at 2 0 12 14 12 368 mm 6 12 14 12 17 368 mm Perpendicular to roof ridge NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 14 12 368 mm 442 mm 12 12 14 21 1 368 546 16 419 mm 16 419 mm 16 7 19 419 mm 483 mm 16 1 419 mm 23 7 579 mm Step 4 Fireplace should be secured to side framing members using the full length nailing tabs atthe top and bottom of the fireplace front face Use 8d nails Figure 17 A 6 8d Nail Figure 17 Note The nailing tabs and the area directly behind the nailing tabs are exempt from the clearances described on page 5 Maintain at least 1 2 clearance from the firebox wrapper to the framing at the closest point of contact directly adjacent to the flange For Canadian Installations A cold Climate Kit FTF8 CCK3 LD must be installed CCK3 kits are available from FireCraft through your local dealer Installer must supply suitable length of 6 Diameter class 0 metallic air duct Proceed with Steps 5 through 8 Step 5 Install the Cold Climate Kit to the fireplace following the instructions provided with the kit Figu
41. the reduction of heat loss Chimney Height The total height of your completed fireplace system from the surface the fireplace rests on to the chimney top must not exceed 60 and mustalso meet minimum height requirements Refer to the minimum system height chart Minimum System Height Security s FTF8 Pipe Vertical Installation One Offsets Two Offsets Chase Enclosure A chase is a vertical box like structure con structedto surround the fireplace and chimney Refer to Figure 2 for a typical chase configura tion As with all chimney installations avoid overhead obstructions such as trees power lines etc A chase should be constructed and insulated just like any outside wall In a cold climate we recommend the base of the chase should also be insulated between the solid continuous floor beneath the fireplace and the chase bottom Chase insulation in a cold cli mate installation is not required for safety ASSEMBLY OUTLINE Before You Start Check your inventory list to be sure you have all the necessary parts supplied in good usable condition Check also for any concealed damage Checkthe operation ofthe damper The damper is controlled through the use of a control lever located within the firebox opening at the top center in front of the firebox lintel Figure 3 The control lever snaps into place at either extreme of its range of motion When locked in position all the way to the right the damper is open When
42. the spacers These fireplaces may sit directly on a combus tible surface A 2 air space is required be tween combustible framing and the chimney 1 space is required between combustible framing and fireplace outer wrapper InCanada the minimum height for a combustible mantel is 18 457 mm above the fireplace opening Figure 46 shows typical Canadian installa tions For installations other than Canada combustible mantels and trim may be in stalled 12 above the fireplace opening as per NFPA 211 Section 7 2 3 3 and Figure 47 f a mantel is of anoncombustible material it is exempt from these requirements as long as it does not interfere with the installation or op eration of glass doors Note 2 clearance to combustibles required in Canada Finished Wall 8 Max 203mm Header Combustible Spacer Mantel 18 Min 457mm Fireplace Opening Canadian Installation Figure 46 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Finished Wall combusts Spacer and Trim 12 Min 8 3 8 Fireplace Opening Both Of These Dimensions Must Be At Least 18 When An Unvented Gas Log Set Rated At 32 000 BTU Or Higher Is Used Maximum 40 000 BTU Typical Installation Figure 47 Hearth Extensions and Wall Shields A hearth extension must be installed with all fireplaces It is to protect the combustible floor in front of the fireplace from both radiant heat and spark
43. them Consult all local codes Figure 10 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE FRAMING SPECIFICATIONS See Note Header A gt Fireplace Framing Note When Framing With 6 Studs Header Must Be 17 432mm Higher Use Security Chimney s OR15 Offset Return Elbow To Recess The Chimney Back 2 1 2 Ne Flat Frame Down To A False Header At B Maintain Required Clearance To Chimney At All Times Figure 11 Back Wall of Chase Enclosure FOAK Combustion Including Finising Materials if any Air Kit Rough Framing Face Inside Chase Unfinished Shown Figure 12 Back Wall of Chase Enclosure FOAK Including Finising Materials Combustion if any Air Kit Optional Rough Framing Face Unfinished Shown Outside Chase Figure 13 Framing Dimensions 46 4 43 1 1175 1105 17 445 mm 76 1937 mm 38 968mm 20 524mm 53 1368 mm Note All framing dimensions calcu lated for 1 2 dry wall at the fireplace face If sheathing the chase or finish ing with other thickness materials calculations will need to be made Framing Dimensions for Ceiling FTF8 Vertical 14 147 368 mm 368 mm FTF8 Vertical 16 14 at 2 419 mm FTF8 Offset 30 14 14 25 368 mm 635 mm FTF8 Offset 30 16 7 27 at 2 419 mm 686 mm 16 w 419 mm Back Wall of Chase Enclo
44. umber Of FTF8 Chimney Only Chimney Lengths Inches Feet Inches 12 18 36 48 32 2 386 1 Ve 390 34 6 34 396 34 0 34 404 1 8 v 414 34 6 34 416 8 420 34 0 34 426 34 6 34 432 34 0 34 437 8 443 11 450 34 6 34 W O CO 461 5 462 6 466 10 472 39 4 e CO I gt PO DO 478 483 489 496 507 508 513 519 525 529 535 543 553 555 559 565 571 575 581 589 599 601 605 611 617 621 627 635 645 647 651 657 663 667 673 681 691 693 697 703 709 714 720 0 2 1 0 0 0 1 0 2 1 0 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 nM O1 O1 4 4 PRR 4 PO 727 9A 738 739 34
45. value for a suitable hearth extension used must be equal to or greater than r x T 2 33x 1 2 33 If itis desired to elevate a marble hearth exten sion to a level of 5 or more above the floor surface What combination of noncombustible materials can be used to accomplish this If common brick is used so that the 3 1 2 dimension is the height R for the common brick becomes R u2rxT 20 20x 3 7 70 Using 1 2 of mortar to set the brick for the mortar is calculated as follows y rX Ty 0 20 x 7 10 value taken from chart 17 18 3 4 marble slab set in 1 mortar covers the brick R forthe marble and mortar becomes R 2rxT 2 0 09 x94 R u2rxT 2 0 20 x V 068 10 The sum of all R values is 70 10 068 10 968 This would not be an acceptable combination of material for the hearth extension since the total calculated R value of the materials used is under the required R value of 2 33 An additional layer of insulating materials must be used WARNING THE CRACK BETWEEN THE FIREPLACE AND THE HEARTH EXTEN SION MUST BE SEALED WITH A NON COMBUSTIBLE MATERIAL WARNING WHEN INSTALLING HEARTH EXTENSION IN FRONT OF A NON CIRCU LATING FIREPLACE MODEL THE FIRE PLACE MUST BE RAISED IF HEIGHT OF HEARTH EXTENSION EXCEEDS 7 ABOVE THEBOTTOM OF FIREPLACE FIGURE 50 Max Thickness Of Hearth Extension When Non Circulating Models Ar
46. xim ity we suggest they should be separated in distance at least 24 horizontally from flue cen ter to flue center and stacked or staggered vertically at least 18 apart from the termina tion of one smoke exit to the termination of another smoke exit Figure 36 Figure 36 This suggestion is provided in the interest of better operation If the terminations are located too close to each other smoke may migrate from one flue into the other NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE FTF8 CHIMNEY COMPONENT CALCULATIONS The minimum installed height of the com pleted fireplace system is 15 0 The maxi mum height is 60 0 To determine the number of chimney sections and chimney components required follow these steps 1 Determine total vertical height of the fire place installation This dimension is the dis tance from the surface the fireplace sets on to the point where smoke exits from the termination 2 Determine the number of chimney compo nents required except chimney sections This would include firestop spacers stabilizers roof flashing etc 3 The effective heights of the components are The Fireplace 42 FTF8 12 10 FTF8 18 16 FTF8 36 34 FTF8 48 46 FTF8 CTD Termination 4 FTF8 CT1 Termination 12 to 18 FTF8 CT2 Termination 15 to 23 FTF8 CTDT Termination 12 to 18 FTF8 S4 Stabilizer R Required for every 30 of vertical chimn
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