LG MAGNA-FIRE LS43ST User's Manual
Contents
1. CONINN OB BIW OM NIN SIS PO N Ou Ule ON Ho HS N NO olo N NO ODO ONO OO OO OO HB HB HB HW W W PP AH aO O OJO oOo SINS HO Kt KH BP OKT Oe gt NO MK OK gt NOK NOn HN OK OO NOL OC OD MM N OK NOs ay Kt OKO NOLO NO Oe NOSNO OK OK NO HK HK BO KH OL NO HO P O O ooo O gt n ao oo 0 n anor o OO ao ono o r 14 Offset Height Offset Return Inches Inches Elbow Set FTF13 OFFSET ELEVATION CHART A B FTF13 ES30 FTF13 S4 Stabilizer Number of FTF13 A Chimney Sections Offset _ 0 0 1 1 1 1 1 1 1 1 1 1 12. cordance with all local building codes The gas line may enter either end of the fireplace 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 installing a gas line connect it before the fireplace is framed and enclosed in the finished wall The gas knockout is determined by a 1 1 29 mm round indentation located at the bottom and slightly off center in the side refractories THE KNOCKOUT IS ALWAYS RE MOVED FROM INSIDE THE FIREPLACE DO NOT REMOVE THE KNOCKOUT UNLESS YOU ARE INSTALLING A GAS LINE If removal is attempted from the outer wrapper side re fractory damage may occur With a medium sized hammer lightly tap the surface of the indentation The refractory material is very thin in this area and is easily removed Once a Small hole has been made continue tapping until you have reached sufficient diameter for the gas line to fit through The entire knockout does not have to be removed Remove insula tion in the gas line channel Install a 1 2 13 mm gas supply line through fireplace wall for connection to a decorative gas appliance inside the firebox Outside the gas supply line must connect to a gas shut off valve usually 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 code
3. posed metal fireplace components such as ter minations flashings storm collars and or flue be painted with a premium quality high tem perature 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 tions Consult the paint manufacturers instruc tions for proper preparation and application 11 12 Less Than 10 3m Figure 33 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 3 the top of the chimney must be at least 2 610 mm above the peak of the roof If the horizontal distance from the chimney edge to the peak of the roof is more than 10 3 m a chimney height reference point is established on the roof surface located hori zontally 10 3 from the chimney edge The top of the chimney must be at least 2 610 mm above this reference point In all cases the chimney cannot be less then 914 mm above the roof at the 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 adverse wind conditions etc may require a taller chimney should th
4. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Figure 36 Stabilizer DOD gt Se oe eo a oo ee ee ee ee ee ee O Uj N OH NM H HOO OW HMO H H IHN OO HNO NJL WO OIN Oje HS OIA O NIO Ol 0U O NI o HHA WIP OUDON DM NIN OO Figure 37 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE FTF13 E30 Return Elbow FTF13 Chimney Sections FTF13 30 Offset Elbow 58 1 1486 mm Part of Offset Return Package Model FTF13 ES30 Figure 35 Figure 38 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 6 1 m in total length between elbows see Figure 36 f sections of pipe exceed 10 3 between elbows achimney stabilizer must be used at the midpoint The stabilizer support Straps must be attached under tension in Shear to structural frami
5. 1490 mm 47 Ve y 1197 mm Figure 14 i a E A 19 14 489 mm Allow 19 For Clearance 26 14 667 mm For 5 Drywall 26 12 For Yo Drywall A 58 5 1490 47 18 1197 T y y 543 1391 mm T Side View Front View Figure 15 Figure 16 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 7 FIREPLACE SPECIFICATIONS p 27 6 52 1146 1335 mm 701 mm 4 A 58 12 1486 mm 44 1121 Outside Air Inlet This Side Only 24 58 AT 20 Vie 625 mm 1194 mm Gas Line Inlet 508 mm 241 mm 16 m 216 y i 4 4 39 516 1002 mm gt 8 203 son 4 p p 4 42 34 1086 mm 298 mm 298 mm 3 1 52 34 1340 mm End View Front View 52 34 1340 mm gt 1 le 27 Yie 700 mm Top View Figure 17 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Step 4 Two sets of nailing tabs have been provided One set of four is to accommodate drywall and the other set is for 1 2 drywall To insert the unit into prepared framing bend the four nailing flanges adjacent to one of the fireplace faces completely over 180 degrees until they are flush with the cabinet Bend the remaining nailing flanges adjacent to the op posite face out 90 degrees
6. The following items are available for use in the installation of this appliance a Outside Combustion Air Kits with duct 81187 FOAK without duct 81L88 FOAK LD Combination Offset Return Elbow 63L35 FTF13 0R15 Model Part Number Weight 54357 23M92 400 Ibs 19 INSTALLATION COMPONENTS lt 63L19 FTF13 12 Chase Termination 63L20 FTF13 18 Chase Termination Square 63L54 FTF13 CT2 Chimney Section 63L21 FTF13 36 Round 63L44 FTF13 CTD Chase Termination Offset Return Chase Termination Square 63L50 FTF13 CT1 Package 30 63L24 FTF13 ES30 Round 63L47 FTF13 CTDT 63L40 F10F6 Firestop Spacer Flat 63L36 F10FS 2 Storm Collar 63L59 FSC Flashing 63L41 F10F12 Firestop Spacer 30 63137 F10FS30 2 Locking Band 63L60 FLB Stabilizer 63L27 FTF13 S4 NOTE DIAGRAMS amp ILLUSTRATIONS TO SCALE 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 2002 by LENNOX HEARTH PRODUCTS 1110 West Taft Avenue P N 850 004M REV F 10 2006 Orange CA 92865
7. an attic is above ceiling level firestop spacer must be installed on top side of ceiling joist Figures 20 and 21 Room Above Firestop Spacer Figure 21 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 tabs engage properly 10 The FIF13 chimney system is a two piece chimney which snaps together from the fire place up Start with the inner flue section With the lanced end up snap lock it into the match ing collar on top of the fireplace At all subse quent joints the upper flue section fits into the preceding flue section Each piece snaps to gether by means of locking tabs 7 locking tabs per joint Check each piece by pulling up Slightly from the top to ensure proper engage ment before installing succeeding sections If the flue has been installed 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 22 Figure 22 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 23 ae Cae Locking Tabs
8. damage chimney section Figure 30 Note If chimney extends more than 8 2 4 above roof surface guy wires are also recom mended Use three 3 guy wires attach to locking band assembly extend and secure to roof in a triangular pattern Figure 31 Guy wires are not supplied by the manufacturer Roof Ridge Figure 31 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Step 10 Using an FTF13 CTD Round Ter mination 1 Hold FTF13 CTD over top of last chimney section see Figure 32 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 4 Pull up slightly on CTD to ensure locking joint has firmly engaged 508mm A 1 WEES SN Figure 32 Using a FTF13 CTDT Chase Termination Refer to specific installation instructions in cluded with the FTF13 CTDT chase termination for clearance and installation details Using a FTF13 CT1 Chase Termination Refer to specific installation instructions in cluded with FTF13 CT1 chase terminations for clearance and installation details Using a FTF13 CT2 Chase Termination Refer to specific installation instructions in cluded with FTF13 CT2 chase terminations for clearance and installation details Note It is recommended that all exterior ex
9. elevation chart section 3 Use Elevation Chart as job estimator only Add necessary firestop spacers and stabilizers as required Firestop spacers must be used as Shown in Figures 20 and 27 and stabilizers as Shown in Figure 25 INSTALLING OFFSETS First review Offset Elevation Chart and Figure 35 on page 14 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 ceil ing first determine the center point for a verti cal chimney following the instructions for ver tical installation Measure height to the ceiling from the top of fireplace dimension B Use 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 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 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 locks OVER the preceding outer section of chimney Agai
10. given to combustibles and final finishing For an example of this 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 Pay Y Figure 5 ASSEMBLY STEPS Note he following steps represent the normal sequence of installation Each installation is unique however and might require a different Sequence 1 Position firebox prior to framing or into prepared framing 2 Install the chimney system 3 Install optional outside combustion air kit 4 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 Install both door assemblies 7 Complete finish wall material surround and hearth extension to your individual taste study the three dimensional illustration Fig ure 7 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 on a 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
11. mini mum 2 and 1 air space to combustibles respectively A combustible mantle may be installed 12 above the opening of the fireplace as per NFPA 211 Section 7 2 3 3 The fireplace opening of the LS43ST must be kept a minimum of 12 305 mm froma side wall A perpendicular side wall can not be closer that 12 305 mm to the LS43ST fireplace As with all chimney installations avoid over head obstructions such as trees power lines etc Additionally chimney terminations must meet certain clearance to roof requirements detailed in the paragraph titled Ten Foot Rule summary The fireplace and chimney system must be enclosed when installed in or passing through a living 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 18 19 and 20 Construction Materials e framing materials paneling e particle board e flooring dry wall o e plywood CHIMNEY SYSTEM These fireplaces are designed and code listed for use with Security Chimneys FTF13 chimney system only Always use Security Chimneys FTF13 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 Insulate Joists
12. per inch or r value per inch with listed thickness so that the minimum thickness required for the hearth can be calculated per instructions on this Page and or as specified in the NFI Certification manuals Note Also see NFI National Fireplace Institute Certification Manuals showing other acceptable calculation methods and acceptable alternate materials which can be used NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE A wall shield is required where a continuous perpendicular side wall is within 12 of the fireplace opening Figure 49 Use a 36 W x 36 H wall shield constructed of a durable noncombustible material having an equal or better lower k value insulating value than k 54 BTU IN FT HR F At no time may a perpendicular side wall be located closer than 9 from the fireplace opening lf fireplace is installed diagonally across a 90 corner no wall shields are required 12 305 mm Min to Fireplace Opening Figure 49 Calculating Minimum Thickness if Multiple Materials are Used At times it is important to know what combination of materials are acceptable for use as floor protection The R values are used to determine acceptable combinations of materials because R values are additive where values are not Rvalue 1 k r x thickness of material used Example Given that the required R value for a suitable floor protector used must be equal to o
13. the installer be a qualified or certified tradesman familiar with commonly accepted fireplace installation and safety tech niques as well as prevailing local codes The most important areas of concern dealing with the installation of factory built fireplaces are clearances to combustible materials proper as sembly of component parts height of the chim ney system the proper use of accessories sup plied by the manufacturer and the techniques employed in using finishing materials applied to the wall surrounding the fireplace hearth exten sions 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 TYPICAL INSTALLATION Chimney and Termination Model LS43ST Figure 1 INTRODUCTION General Information This Signature Series LS43ST is a radiant heat two sided fireplace with a variety of glass door options A steel grate is also in cluded with the LS43ST to properly position the fire An outside combustion air kit is available as optional equipment Note Illustrations shown reflect typical instal lations with nominal dimensions and are for design and framing reference only Actual instal lations may vary due to individual design prefer ences However always maintain minimum clear ances to combustible materials and do not vio late any specific installation requirements These f
14. use a fireplace insert or any other products not specified herein by the manufacturer for use with this fireplace All gas log sets must be operated with the damper clamped open 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 PRECAUTIONS Note These fireplace systems are not difficult to install However in the interest of safety it is recommended that
15. 3 3 and Figure 47 lf a mantel is of a noncombustible material itis exempt from the requirements as long as it does not interfere with the operation of glass doors 8 Spacer a 203 mm gt peaa 10 38 False Header NN NN NN Combustible Mantel and Trim 305 Min Finished Wall 11 1 292 Fireplace Opening 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 sparks The hearth extension must extend 12 beyond both sides of the fireplace Opening and 20 beyond the front see Figure 48 Use a hearth extension constructed of a durable noncombustible material having an equal or better lower k value insulating value of k 84 IN FI HR F or a thermal resistance that equals or exceeds 1 19 HR F FT BTU IN With these values determine the minimum thickness material required us ing the formula and Page 78 Note Any noncombustible material whose k value is less than 84 or whose r value is more than 1 19 is acceptable If the fireplace is installed on a combustible floor use the metal safety strips provided on the floor extending half under the fire place and half under the hearth extension refer to Figures 6 amp 7 17 18 Hearth Extension Dim
16. ABOVE BOTTOM OF FIREPLACE FIGURE 50 Maximum Thickness of Hearth Extension when Fireplace is on the Floor Figure 50 FINISH TO YOUR TASTE There are a wide variety of finished looks for your LS43ST fireplace from formal wall decor with elaborate mantels to rustic wood paneling or warm brick facings Only noncombustible materials like marble Stone tile brick etc may overlap the black front facing but be careful not to interfere with the operation of the glass doors NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Seal all joints between the black facing and wall surrounds to prevent cold air intrusion Use noncombustible caulking material only to Seal the black metal facing to the surround material on the finished wall Combustibles may also project beyond the sides of the fireplace opening as long as they are kept within the shaded areas refer to Figure 5 ACCESSORY PARTS AND COMPONENTS LIST FOR THE LS43ST The accessory parts and components shown on pages 19 and 20 are to be used only with your LS43ST fireplace system Separate instal lation instructions are packaged with all com bustion air kits and chimney terminations If you encounter any problems or have ques tions concerning the installation or application of this system please contact your distributor For the name of your nearest distributor call LENNOX HEARTH PRODUCTS 1110 West Taft Avenue Orange CA 92865 INSTALLATION COMPONENTS
17. Chimney Do Not Seal FTF10 Flashing Figure 28 Step 7 Secure flashing by nailing 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 29 Figure 29 Step 8 The standard Security Chimneys FTF10 roof flashing assembly includes a storm collar Slide storm collar over outer chimney align with top surface of flashing insert storm tab in Slot pull tight and bend tab back over slot Seal storm collar to outer chimney with roof caulk ing or mastic around entire circumference of pipe Also add extra roof caulking where storm collar meets flashing and to the tab slot area to seal completely against water penetration Fig ure 30 Checkall joints very carefully to ensure no water intrusion can take place Locking Band 9 Mastic Figure 30 Step 9 Security Chimneys locking band 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 1 8 above the roof flashing the use of locking bands is advisable to strengthen the chimney joints Align the locking band at the pipe joint Locking bands wrap around pipe joints equally covering the joints of both pipe sections Use nut provided and TIGHTEN Snugly Do not over tighten as this might
18. INSTALLATION INSTRUCTIONS MAGNA FIRE 43 Wood Burning Fireplace P N 850 004M REV F 10 2006 MODELS 54351 DAVE LENNOX COLLECTION LENNOX HEARTH PRODUCTS This installation manual will enable you to obtain a safe efficient and dependable installation of your fireplace system Please read and understand 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 NN SQ N T j Ve F A a RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE NATIONAL We suggest that our woodburning hearth FIREPLACE INSTITUTE Products be installed and serviced by NFI professionals who are certified in the U S by the National Fireplace Institute NFI as NFI Woodburning Specialists or who are OTL Report No 116 F 19 02 Technical Training www wettinc OMNI Test Laboratories Inc certified in Canada by CERTIFIED Wood Energy Technical Wood Energy www nfi
19. LS43ST Fireplace 58 1486 mm FTF13 12 10 260 mm FTF13 18 16 413 mm FTF13 36 34 870 mm CTD Termination 4 102 mm Termination 18 457 15 to 23 381 mm 584 mm CT2 Termination CTDT Termination 12 18 305 mm 457 mm 54 Stabilizer 3 76 mm Required for every 30 9 1 of vertical chimney and 10 of offset chimney 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 angling in any direction may be the first component used off the top of the fireplace flue collar FTF13 VERTICAL ELEVATION CHART Height Of Number Of FTF13 Height Of Height Of Number Of FTF13 Height Of Chimney Only Chimney Lengths Chimney Only Chimney Only Chimney Lengths Chimney Only Inches Feet inches 12 18 36 MM Inches Feet nches 12 18 36 MM 11 11 1 0 0 38 0 13 Va 5 2 9 3 2 11 9 2 3 2 34 1 9 34
20. Lances k Figure 23 Note Assemble one component of chimney at a time inner section first then outer section last before proceeding with the nextcomplete section Continue to assemble the chimney up through framed ceiling opening Assemble justenough to penetrate the roof flashing openings Figure 24 Always maintain 2 51 mm minimum air space to combustible materials and always check each pipe joint inner and outer to ensure proper engagement 2 51mm Min Air Space to Combustibles Figure 24 Check vertical alignment of chimney pipe so that it projects from the roof in a true vertical position Security s chimney sections do not need to be screwed together Additional rein forcement is not necessary except in certain offset conditions see to page 16 Figure 47 Step 5 The height of vertical chimney pipe supported only by the fireplace must not ex ceed 30 9 1 m Chimney heights above 30 9 1 m must be supported by a Model FTF13 S4 stabilizer installed at 30 9 1 m intervals Note The Model FTF13 S4 adds 3 76 mm net effective height to the total chimney system Install the Model FTF13 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 un der tension in shear into place on framing Use 8d n
21. MATE INSULATION If you live in a cold climate it is especially important to seal all cracks around the fire place and wherever cold air could enter the room with noncombustible material Surround material must be caulked where it meets the black metal facing of the fireplace to avoid cold air intrusion Use noncombustible caulk ing 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 directly against the chimney sections Note 2 51 mm air space must be preserved for all materials extending for any continuous 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 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 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 fireplace 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 the spacers In installations combustible mantels and trim may be installed 12 305mm above the open ing as NFPA 211 Section 7 3
22. Same As Ceiling Draft Stops Firestop FTF13 CTDT Termination Note Non Combustible Chase Flashing Must Be Used To Cover Chase Opening Optional Insulation In Outside Walls Of Chase 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 IFUSED 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 Chimney Height The total height of your LS43ST fireplace system from the surface the fireplace rests to the chimney top must not exceed 80 24 4m and must also meet minimum sys tem height chart Minimum System Height Model LS43ST Security s FTF13 14 0 3 7 15 0 3 9 m 22 0 5 6 m Vertical Installation One Offset Two Offsets Chase Enclosure A chase is a vertical box like structure con structed to surround the fireplace and chim ney Refer to Figure 2 for a typical chase configuration A chase should be constructed and insulated just like any outside wall Chase insulation in a cold climate installati
23. 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 fireplace 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 20 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 2x6 s 2x8 s or 2 x 10S 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 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 1 25 mm floor 0 mm adjacent wall 12 305 mm ceiling 37 1 2 953 mm NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE INSTALLING THE FIREPLACE Step 1 Slide the fireplace into prepared fram ing or p
24. ails Attach successive lengths of chimney pipe directly to stabilizer using same techniques as described in Step 4 Figure 25 FTF13 S4 Stabilizer Figure 25 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 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Ss Ceiling Framing Figure 26 Framing Dimensions for Ceiling Ceiling Opening FueType B FTF13 Vertical 19 19 at 2 51 mm 483 mm 483 mm FTF13 Offset 19 At 2 51 483 mm 29 737 mm Roof Framing Figure 27 Framing Dimensions for Roof FTF13 at 2 51 0 12 19 483 mm 6 12 19 483 mm 12 12 19 483 mm Perpendicular to Roof Ridge Step 6 Select proper Security Chimneys roof flashing based on pitch of roof Use chart below for selection Roof Pitch FTF10 Flat to 6 12 F10 F6 6 12 to 12 12 F10 F12 Next slide roof flashing over extended chimney section that previously has been installed above the roof opening in Step 4 FTF10 flashings require flashing spacers Slide flashling all the way down until the flashing base rests flat on the roof Figure 28 Again check the vertical position of the chimney and the 2 51 mm minimum air space to combustibles Note Do not caulk or seal the ventilating openings FTF13
25. certified org Training WETT TABLE OF CONTENTS Safety Rules page 2 Tools and Building Supplies page 2 Precautions page 3 EPOCUGTION Men page 3 Clearances Height Requirements page 3 Chimney System page 4 Assembly page 4 Location of Fireplace page 4 Assembly Steps page 5 Preinstallation page 5 5 Installing the Fireplace page 5 Framing Wall Variations page 6 Framing Specifications 0 000110000 page 7 Fireplace Specifications page 8 Installing the Chimney System page 9 Ten Foot Rule Summary page 12 Multiple Terminations page 12 Chimney Component Calculations page 12 special Offset Instructions page 12 Vertical Elevation Chart a se page 13 Offset Elevation Chart page 14 Offset Calculations page 15 Installing Offsets 00nn page 15 30 Offset through Floor Ceiling page 16 Glass 00015 16 Optional Equipment Considerations page 16 Combustion Air Kits Dade 16 Gas Line Connection s e
26. e combustion air damper Should be fully open when the fireplace is in operation and fully closed when the fireplace 15 not use to prevent outside air from entering your home if additional length of duct is necessary purchase locally available 4 inch diameter 12 5 in 2 Class 0 or Class 1 ducting The duct may extend up to 50 15 2 in direction Combustion Figure 46 Outside combustion air may be run upwards or vertically through framing and ceiling joists with the hood installed through an outside wall and 3 914 mm below the termination Duct ing may also be run downward through floor joists and under the home to a ventilated crawlspace not considered part of the living area of the home CAUTION NEVER LOCATE THE AIR INLET WHERE IT COULD BE BLOCKED BY SHRUBS SNOW DRIFTS ETC NEVER LOCATE THE AIR INLET IN GARAGE OR ANY AREA WHERE THERE IS ANOTHER FUEL BURNING APPLI ANCE OR PRODUCTS EMITTING COMBUS TIBLE GASES SUCH AS PAINT GASOLINE ETC IN COLD CLIMATES IT IS RECOM MENDED THAT THE COMBUSTION AIR DUCT BE INSULATED Note Do not terminate combustion air kit in attic space under any circumstances CAUTION IN NO EVENT MAY THE TOTAL DUCT FOR BRINGING IN OUTSIDE AIR EXCEED 50 15 2 M GAS LINE INSTALLATION The LS43ST fireplace has been approved to accept a 1 2 13 mm gas line for an approved gas appliance Always have the appliance in Stalled by a qualified licensed plumber in ac
27. e fireplace not draft properly Refer to Figure 33 MULTIPLE TERMINATIONS If more than one termination is located the Same chase or within the same general prox imity we suggest they should be separated in distance at least 24 610 mm horizontally from flue center to flue center and stacked or Staggered vertically atleast 18 410mm apart from the termination of one smoke exit to the termination of another smoke exit Figure 34 1 457 24 610mm Figure 34 This suggestion is provided in the interest of better operation Ifthe terminations are located too close to each other smoke may migrate from one flue into the other FTF13 CHIMNEY COMPONENT CALCULATIONS The minimum installed height of the LS43ST fireplace system including fireplace and chim ney components is 15 4 6 22 5 6m with two offsets The maximum system height is 80 24 4 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 measured from the surface the fireplace sets on to the point where smoke exits from the termination NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 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
28. e spacers see Figures 10 11 and 12 IMPORTANT UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS FIGURE 70 BE REMOVED OR MODIFIED NOR MAY YOU NOTCH THE HEADER FIT AROUND OR BE INSTALLED LOWER THAN THE SPAC ERS THE HEADER MAY BE IN DIRECT CON TACT WITH THE TOP SPACERS BUT MAY NOT BE SUPPORTED BY THEM 4 x 6 Header 2 x 4 False Header Spacer Figure 10 2 Li A NNNNNN gt lt gt lt W Note A minimum 2 air space clearance to combustibles and any portion of the chimney is required Figure 11 No Combustible Materials in Shaded Areas 2 H COn COC O Figure 12 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE No Combustible Materials in j Shaded Areas FRAMING WALL VARIATIONS As many as six 6 different framed wall con figurations can be constructed to enclose the LS43ST fireplace The following illustrations depict these variations of wall enclosures Sev eral of these designs may incorporate book shelves wood storage boxes etc LS43ST Wall Types p C Type Wall 0 p T Type Wall L Type Wall p H Type Wall 1 J Ji E Y Type Wall e Parallel Wall Figure 13 FRAMING SPECIFICATIONS 58
29. ensions Note To convert inches to millimeters divide by 0 03937 48 12111117777 Methods of Determining Hearth Extension and Wall Shield Equivalents To determine the thickness required for the alternate material when either the value or value is known use either the k formula or r formula Example Micore 160 is to be used for the hearth extension fireplace how thick must this material be k k value per inch of alternate material ry r value per inch of alternate material minimum thickness required for alternate material standard thickness of the alternate material k value per inch of listed material r value per inch of listed material minimum thickness of listed material Note An asterix indicates it is a value taken from Table 1 Using the k formula Minimum k value per Inch of Specified min thickness of alternate material thickness alternate k value per inch of listed material T of listed material k material T inches X 84 T inches 35 X 1 84 416 inches 416 X 1 Answer The minimum required thickness of the Micore 160 is 417 therefore round up to nearest standard thickness available which is 1 2 Using the r formula Minimum r value per Inch Specified min thickness of listed material thickness alternate
30. factory built may cause it to not draft properly and smoke For this reason glass doors are required with the LS43ST fireplace WARNING THESE FIREPLACES SHOULD BE OPERATED ONLY WITH THE DOORS FULLY OPEN OR FULLY CLOSED FIGURES 44 AND 45 IF DOORS ARE LEFT PARTLY OPEN GAS AND FLAME MAY BE DRAWN OUT OF THE FIREPLACE OPENING CREATING RISKS OF BOTH FIRE AND SMOKE Glass Doors Fully Open Figure 44 Glass Doors Fully Closed Figure 45 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE OPTIONAL EQUIPMENT Combustion Air Kit Use combustion air kit Model FOAK 4 or FOAK 4LD Figure 46 with these fireplace systems Refer to installation instructions packed with the air kit for specific information Outside air drawn into the fireplace supplies air to the fire for combustion The outside air kit must be installed before the fireplace is framed and enclosed in the finished walls IMPORTANT ALTHOUGH THE COMBUSTION AIR KIT IS DESIGNATED AS AN OPTIONAL ACCESSORY IT IS HIGHLY RECOMMENDED THAT IT BE INSTALLED DUE TO THE OPER ATING CHARACTERISTICS OF MULTI OPEN FIREPLACES A PROPERLY INSTALLED SOURCE OF OUTSIDE COMBUSTION AIR CAN ENHANCE THE OPERATING PERFORMANCE OF THE APPLIANCE THE COMBUSTION AIR KIT IS NOT REQUIRED FOR THE SAFE OP ERATION OF THE LS43ST There is a one hand operated shut off valve located on each side of the fireplace opening behind the screen Refer to label for directions of operation Th
31. inuous length surrounding the chimney see Figures 26 and 27 and charts Framing Dimensions for Ceiling and Roof on page 10 which specify minimum ceiling and roof di mensions For new construction to determine chimney center 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 19 Then plumb from ceiling or roof level directly above hole which has just been completed lt SR gt Plumb Line Figure 19 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Step 3 Position appropriate firestop spacer at ceiling and nail temporarily with two 2 8d nails Use flat firestop spacer Model F10FS 2 if chimney penetrates ceiling vertically If chim ney penetrates ceiling at 30 angle offset chimney use Model F10FS30 2 Nailed one each 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 adjustments 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
32. ireplaces have been tested and listed by Omni Test Laboratories Report No 116 F 19 02 to U L standard 127 These units are intended for installation in residential homes and other buildings of conventional construction including commercial not in mobile homes 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 suchas the BOCA Basic National Codes the Standard Mechani cal Code and the Uniform Building Codes The local authority having jurisdiction should be consulted before installation to determine if any permits need to be obtained WARNING FAILURE TO USE MANUFAC TURE PROVIDED PARTS VARIATIONS IN TECHNIQUES AND CONSTRUCTION MA TERIALS OR PRACTICES OTHER THAN THOSE DESCRIBED IN THIS MANUAL MAY CREATE A FIRE HAZARD AND VOID THE LIMITED WARRANTY The LS43ST system consists of three sub systems 1 The Fireplace and Door Assemblies 2 The Chimney and Termination 3 The Optional Combustion Air Kit NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE CLEARANCES AND HEIGHT REQUIREMENTS The fireplace may be placed on or near normal construction materials The combustion air kit firestop spacer and roof flashing not chase flashings may be placed directly on or against normal construction materials The chimney and fireplace outer wrapper require a
33. n check outer section by pulling up slightly to ensure proper connection is made RETURN ELBOW 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 47 Figure 41 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 sub sequent chimney sections are securely attached by testing as noted above 15 16 CHIMNEY OFFSET 30 THROUGH FLOOR OR CEILING It may be necessary to assemble the chimney at 30 when passing through the floor or ceiling area Use the F10FS30 2 firestop Spacer as shown in Figures 42 and 43 support the chimney at floor or ceiling pen etration with a FTF13 stabilizer if distance of chimney below ceiling is 10 3 or more Maintain 2 51 mm minimum air space to combustibles from chimney sections The chimney must pass vertically through the at
34. ng members above When two sets of offset elbows are used the maximum combined length of chimney used between elbows cannot exceed 20 6 1 see Figures 37 and 38 Example If C 10 3m then cannot exceed 10 3 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 mental screw located at the underside of the joint Figure 39 Chimney Section Figure 39 3 mm diameter hole must be drilled in the chimney joint using a 3 mm diameter drill Hole should be drilled in center of joint overlap Figure 40 Be sureto drillonly through the outer chimney casting Do not puncture the inner flue Underside of Chimney Figure 40 Maximum offset of the chimney system is 30 Two offset elbows must not be assembled to form a 60 offset However two sets of offset and return elbows may be used ona single flue system provided the total height of the system exceeds 22 5 6 Return elbow support straps must be securely attached under tension in shear to structural framing members above OFFSET CALCULATIONS 1 Use Offset Chart to determine amount of horizontal offset A and height B for various chimney sections 2 Use Height of Chimney Only column to determine combinations of pipe used above return elbow to achieve desired heights Refer ence Components Effective Height Chart in vertical
35. on 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 Check the operation of the damper The damper is controlled through the use of a control lever located within the firebox opening at the top center just behind the firebox lintel Figure 3 The control lever snaps into place at the ex treme range of motion up and back in the closed position When pulled forward and down the damper is open NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Closed Damper A 1 Damper Open Lintel Figure 3 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 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 haust fans and or return air registers for forced air furnaces air conditioners that could cause a smoking fireplace condition if the house is tightly insulated This system is intended to be installed in resi dential homes and buildings of conventional construction not in mobile homes When locating the fireplace consideration must be
36. osition 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 The 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 Hearth Extension Hearth Extension Floor Floor Figure 6 Hearth Hearth Extension Metal Safety Extension Strips Figure 7 Note Install the hearth extension only as illus trated Platform Metal Safety Strips Figure 8 Metal Safety Strips 2 Min 51 mm AR Figure 9 The safety strips should extend in front and sides of the fireplace opening 2 51 mm 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 of the wood support as well as the floor beneath the hearth extension see Figures 8 and 9 The safety strips should be tacked down to prevent possible movement Note The Z type safety strip is not supplied Step 3 Refer to fireplace drawings and speci fications on pages 7 and 8 for framing dimen sions and details False header may be posi tioned directly on top of the fireplac
37. page 1 Cold Climate Insulation 00110011000a page 17 Fireplace Finishes page 1 Mantels and page 1 Hearth 510 page 1 Finish Requirements page 19 Installation Components 19 IMPORTANT PLEASE READ AND UNDERSTAND THESE RULES FOLLOW FOR SAFETY 1 Before starting your fireplace installation read these installation instructions carefully to be sure 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 FTF13 12 1 inside diam eter Chimney System only These systems are intended for use in any application where a traditional masonry type fireplace would apply 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 prior to 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 NOT use charcoal o
38. r 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 of the house is accessible to the fire to support normal combustion Fireplaces consume large volumes of air during the normal combustion process Inthe 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 13 DO NOT
39. r greater than RY r XT 1 19 X 1 1 19 If it is desired to elevate a marble hearth ex tension 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 di mension is the height for the common brick becomes brick RY y 0 20 x3 1 2 70 M Using 1 2 of mortar to set the brick R for the mortar is calculated as follows mortar RY y 0 20 x 1 2 10 Next 3 4 marble slab set 1 2 mortar cov ers the brick R for the marble and mortar becomes marble RY y ly XT 0 05 x 3 4 038 mortar r XT 0 20 x 1 2 10 The sum of all R values is 70 10 038 10 938 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 1 19 An additional layer of insulating materials must be used Note Also see NFI Certification Manuals for expanded explanation on calculating R val ues when multiple materials are 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 THE FIRE PLACE THE FIREPLACE MUST BE RAISED IF HEIGHT OF HEARTH EXTENSION EX CEEDS 8
40. r value per inch of listed material of alternate material material T inches T inches 1 19 1 2 86 416 inches 416 1 Answer The minimum required thickness of the Micore 160 is 417 therefore round up to nearest standard thickness available which is 1 2 Listed Material inch per inch Listed Min Thickness 84 1 19 1 fi Approved Alternate Materials for Floor Hearth Protection AlternativeMaterials Thermal Values MinimumThickness rounded to nearest 1 8 inch inch per inch Min Thickness Ky 56 127 Listed Material Kaowool M Board Micore 160 U S Gypsum Micore 300 2 17 55 1 2 U S Gypsum Durock Cement Board 2 29 2 1 4 U S Gypsum Hardibacker 195 zarse Hardibacker500 230 435 2 74 2 3 4 Cultered Stone Hearth 3 36 3 3 8 stone Wonderboard 329 a Super Firetemp Johns Manville Super Firetemp L 64 5 8 Johns Manville Face brisk m 10 71 10 3 4 Common brick 5 00 20 Cement mortar 500 20 5 95 6 Ceramic tile 15 14 88 14 7 8 Mame a o arasa Table 1 3 85 3 7 8 73 3 4 If the hearth extension material s that is intended to be used is NOT listed on Table 1 the material can still be used if the material s is noncombustible However the manufacturer of the material must provide either the listed k value
41. s Check all connections with soap suds leaks will bubble Never test any gas line con nection with a match or open flame IMPORTANT REPACK INSULATION MATERIAL IN SQUARE HOLE AROUND GAS LINE INTE RIOR AND EXTERIOR TO SEAL 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 221 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 4223 1 This complies with the revised U L 127 standard CAUTION WHEN USING THE DECORATIVE GAS APPLIANCE THE FIREPLACE DAMPER MUST BE SET IN THE FULLY OPEN POSITION Vent Free Appliances These units have 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 Built fireplaces UL 127 The unit has been tested for use with any unvented gas log sets having a maximum rating of 40 000 BTU The minimum mantle configu rations are outlined in Figure 47 These fireplaces have been marked with a maximum rating of 40 000 BTU to assure that homeowners do not exceed the allowable lim its for all allowed installations of mantles NEVER INSTALL AN UNVENTED GAS LOG SET WITH A BTU GREATER THAN 40 000 COLD CLI
42. see Figure 18 slide the unit through the framed opening with the face adjacent to the flanges bent fully over 180 degrees inserted first Slide the unit into the prepared framing until the unit is centered between the walls Fold the nailing tabs back against the framing level the unit with shims as necessary and secure the fireplace to the side frame members with 8d nails or screws as appropriate y 5 ab Framing A X Stud s Nailing 7 Flange Figure 18 Note The nailing tabs are exempt from the fireplace clearances described on the fireplace clearance label INSTALLING THE CHIMNEY SYSTEM Step 1 Check flue damper for proper opera tion To open pull handle down and release Damper will open automatically To close push handle up The damper should lock into the closed position Note damper is set to one opening but may be switched if necessary 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 CAUTION ALLOW MINIMUM 2 51 MM CHIMNEY AIR SPACE TO COMBUSTIBLE FRAMING MEMBERS THROUGHOUT VERTI CAL OR OFFSET CHIMNEY INSTALLATION ALSO MAINTAIN AIR SPACE ON TOP OF THE FIREPLACE AS DEFINED BY THE SPACERS AND STANDOFFS A minimum 2 51 mm air space must be reserved for all materials extending for any cont
43. tic space Attic Space Min FTF13 S4 2 51mm Stabilizer Min Airy Space 10 3m Max 30 Firestop and Attic Above Figure 42 Room Above F10FS30 2 Firestop x 2 51 mm Spacer Min Air Space FTF13 S4 i Stabilizer Space 10 3 30 Firestop and Room Above Figure 43 GLASS DOORS The LS43ST fireplace require the use of glass doors The selection of glass doors available for use with these fireplace are 43LSBF 43LSBF B 43LBF 43LBF BB 43LBF BS and 43TBA The use of any other non listed door on these fireplaces may result in a potential fire hazard and is not recommended IMPORTANT IT IS NECESSARY TO ORDER AND INSTALL THE DOOR STYLE OF YOUR CHOICE GLASS DOORS ARE NOT OPTIONAL CAUTION REMOVE THE PLASTIC PROTEC TIVE COATING FROM THE DOORS BRASS PIECES BEFORE ASSEMBLY AND INSTALLA TION FAILURE TO REMOVE THE COATING BEFORE FIRST USE WILL RESULT IN DAM AGE TO THE BRASS FINISH Make a careful inspection of all parts before installing the doors to insure they are un damaged and complete Always use two 2 glass door assemblies for each side of the LS43ST fireplace CAUTION DO NOT TOUCH THE DOORS WITH YOUR HANDS WHILE THE FIREPLACE IS IN USE ALWAYS USE DOOR HANDLES DOORS WILL BECOME VERY HOT WHEN FIREPLACE IS IN USE Note Design characteristics of a dual opening fireplace whether masonry or
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