TOA Electronics CST38MH User's Manual
Contents
1. vV Part of Offset Return Package Model FTF8 ES30 Figure 34 a ON BIH 5 5 non wowo o En Stabilizer fs 10 Max 3m Figure 35 Figure 36 Figure 37 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE FTF8 VERTICAL ELEVATION CHART Height Of Number Of FTF8 Height Of Height Of Number Of FTF8 Height Of Chimney Only Chimney Lengths Chimney Only Chimney Only Chimney Lengths Chimney Only Inches Feet Inches 12 18 36 48 Inches Feet inches 12 18 36 48 _ m 11 1 279 0 28 252 21 0 2 o o0 5 6 40 0 43 6 55 0 54 6 76 0 69 7 01 0 89 7 06 1 19 7 16 1 30 7 32 1 45 7 49 1 61 7 58 1 71 7 73 1 86 7 93 2 06 8 12. 5 9 3 7 1 9 9 1 6 1 5 1 7 5 T 1 5 1 3 9 5 3 5 9 3 9 2 8 3 2 3 8 2 8 o Table 4 16 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 Figure 35 If sections of pipe exceed 10 3 m between elbows a chimney stabilizer must be used at the midpoint The stabilizer support straps must be attached under tension in shear to structural framing members above When two sets of offset elbows are used the maximum combined length of chimney used between elbows cannot exceed 20 6 1 m Figures 35 through 37 Example If C 10 3m then C cannot exceed 10 3 m 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 38 Chimney Section Figure 38 A 1 8 3 mm diameter hole must be drilled in the chimney joint using a 1 8 3 mm diameter drill Hole should be drilled in center of joint overlap Figure 39 Be sureto drill onlythrough the outer chimney casting Do not puncture the inner flue Underside of Chimney Figure 39 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 u
3. Page 20 PACKAGING LIST The assembled wood fireplace is packaged with 1 One envelope containing the literature pack age which consists of the homeowner s manual installation instructions warranty and combustion air cover located in the firebox 2 One Combustion Air Kit 90L83 3 Two Door Sets IMPORTANT PLEASE READ AND UNDERSTAND THESE RULES TO FOLLOW FOR SAFETY SAFETY RULES A WARNING To avoid the risk of damaging fireplace materials and increas ing the risk of fire do not use the fireplace to cook or warm food 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 lo cal 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 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 heat ing season 5 Bu
4. 2 Determine the number of chimney compo nents required except chimney sections This would include thimbles extensions roof flashing etc NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 3 The effective heights of the components are The Fireplace 48 FTF8 12 10 1 4 FTF8 18 16 1 4 FTF8 24 22 1 4 FTF8 36 34 1 4 FTF8 48 46 1 4 FTF8 CTD Termination 6 4 Determine amoun 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 in Table 4 on Page 15 SPECIAL OFFSET INSTRUCTIONS To clear any overhead obstructions you may offset your chimney system using Security Chimneys 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 Maintain 2 minimum air space to combustibles from chimney sections See Figures 41 and 42 13 OFFSET ELEVATION CHART A B FTF8 ES30 Number of FTF8 A Offset Height Offset Return FTF8 S4 Chimney Sections Offset Inches Inches Elbow Set Stabilizer FTF8 E30 um te 0 0 Return Elbow FTF8 Chimney Sections FTF8 30 Offset Elbow
5. A t 39 1 4 997 mm Front View End iew Figure 13 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE FRAMING WALL VARIATIONS As many as six 6 different framed wall con figurations can be constructed to enclose the Fireplaces The following illustrations depict these variations of wall enclosures Several of these designs may incorporate book shelves wood storage boxes etc CST38MH Wall Types C Type Wall T Type Wall L Type Wall H Type Wall Type Wall Parallel Wall Figure 14 Ss Ceiling Framing Framing Dimensions for Ceiling Framing Dimensions for Ceiling Inches millimeters B 8 Vertical 16 1 2 16 1 2 at 2 51 mm 419 mm 419 mm FTF8 Offset 30 16 1 2 27 419 mm 686 mm At 2 51 mm Figure 15 Roof Framing Framing Dimensions for Roof FTF8 at 1 USA we ww wo Figure 16 Step 4 The fireplace should be secured to side framing members using nailing tabs Use 8d nails Figure 17 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE N M Nailing Flange Framing Stud Figure 17 Note The nailing tabs are exempt from the fireplace clearances described on the fireplace clearance label
6. INSTALL THE COMBUSTION AIR KIT required in Manufactured Home installations Outside air drawn into the fireplace supplies air to the fire for combustion The outside air kit FOAK 6 Cat No 90L83 must be installed before the fireplace is framed and enclosed in the finished walls Install the air intake Collar provided as shown in Figure 18 There is a one hand operated shut off valve located in the enclosed corner of the fireplace opening behind the screen Refer to label for directions of operation The combustion air damper should be fully open when the fireplace is in operation and fully closed when the fire place is not in use to prevent outside air from entering your home Connect the 6 152 mm Class 0 or Class 1 air duct to the outside air collar on the appliance with the tie strip in the outside air kit provided See Figure 18 Route the Class 0 or Class 1 air duct out the back or side wall up through the ceiling or floor joists to an outside wall The air duct should be located above snow level 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 Ducting 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 Cut or frame a hole through the outside wall for the installation of the duct inlet h
7. Maintain 1 clearance between the thimble and the chimney 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 2 12 5 mm floor 0 0 mm adjacent wall 18 457 mm ceiling 37 1 2 953 mm NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE INSTALLING THE FIREPLACE Step 1 Slide the fireplace into prepared framing or position fireplace in its final position and frame later The fireplace may not be recessed into a combustible floor Maintain the floor to hearth clearance established by the fireplace lower front face Step 2 Insert the provided metal safety strips beneath the fireplace as illustrated Figures 6 and 7 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 Metal Safety Strips Floor Figure 6 Hearth wo Hearth Extension cr d Figure 7 Note Install the hearth extension only as il lustrated Metal Safety Strips Figure 8 Metal Safety Strips Figure 9 The safety strips should extend in front and sides of the fireplace opening 2 51 In the event a wooden support is used to
8. FTF8 Flashing gt Figure 28 Step 7 Secure flashing by nailing along the perimeter into roof using 8d nails or equivalent fasteners If shingled roof slide upper end and sides of roof flash ing under shingles trim if necessary seal the top and both sides of the flashing to the roof with roof caulking Coverfastener heads with roof caulking Figure 29 Figure 29 11 12 Step 8 The standard Security Chimneys FTF8 roof flashing assemblies include a storm collar 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 30 Check all joints very carefully to ensure no water intrusion can take place Locking Band Mastic or Roof Caulking Figure 30 Step 9 FTF 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 chimney joint Locking bands wrap around pipe joints equally covering the joints of both pipe sections Use the nut provided and TIGHTEN snugly Do not ove
9. 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 brick R ty XT 0 20 x 3 1 2 70 Using 1 2 of mortar to set the brick R for the mortar is calculated as follows mortar R ty XT 0 20 x 1 2 10 Next a 3 4 marble slab set in 1 2 mortar cov ers the brick R for the marble and mortar becomes marble mX Ts 0 05 x 3 4 038 mortar R ty 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 val ues when multiple materials are used A WARNING The crack between the fireplace and the hearth extension mustbe sealed with a noncombustible material A WARNING When installing hearth extension in front of a non circulating fire place model the fireplace must be raised if height of hearth extension exceeds 5 3 4 above the bottom of fireplace Figure 47 When installing the hearth exten sion be careful not to block the h
10. Weight Volume Required in Manufactured Home Installations 4x4 Right Side of H4829 2871 29 6 cu ft Header Fireplace 2x4 False Header FOAK 6 Outside Optional 9 Air Kit providec Due to Lennox ongoing commitment to quality all specifications ratings and dimensions are subject to change without notice All framing dimensions calculated for 1 2 dry wall at the fireplace face If sheathing the chase or finishing with other thickness materials calcula 1086 1 4g tions will need to be made 1245 mm See Page 8 for Ceiling and Roof Framing Dimensions 7 Min 178 mm Diagrams amp Illustrations Not to Scale 23 19 46 40 ve 608 1022 a Tested amp Beaverton Listed By Oregon USA OMNI Test Laboratories Inc OTL Report No 116 F 20 4 A 2 3 23 15 16 0 608 49 42 34 4 208 mm 1245 mm 1086 mm 39 1 4 997 End View Front View Top View bi bt 48 3 4 1238 mm 48 3 4 1238 mm Outside combustion Air Inlet ML 4t 5 3 4 B 9 43 16 8 9 16 224 mm 217 mm 31 146 mm 38 965 mm
11. and mustalso meet minimum system height chart Minimum System Height Security s FTF8 Pipe Vertical Installation One Offsets Two Offsets Table 1 Insulate Joists Same As Ceiling Optional Insulation In Outside Walls Of Chase Ground Level Base Requirements Surface Insulation Front Face Thermal Barrier Model Shown Figure 2 Chimney Enclosure Constructa box like framed structure to enclose the fireplace and chimney within the confines of the manufactured home not necessarily above the roof line As with all chimney installations avoid overhead obstructions such as trees power lines etc The chimney fireplace enclosure should be constructed and insulated just like any outside wall In a cold climate we recommend the base of the chimney fireplace enclosure should also be insulated between the solid continuous floor beneath the fireplace and the chase bottom Insulation in a cold climate installation is not required for safety Note Local codes may not require firestopping at the ceiling levels for outside chimney enclo sure installations However itis recommended for safety and the reduction of heat loss A WARNING Do not obstruct the collar open ings around the base ofthe chim ney at the top of the fireplace Do not insulate the chase cavity with blown or fill type insulation materials ASSEMBLY OUTLINE Before You Start Check your inventory list to be
12. by testing as noted above CHIMNEY OFFSET 30 THROUGH FLOOR OR CEILING It may be necessary to assemble the chimney at 30 when passing through the floor or ceil ing area Use the F8FS30 2 firestop spacer as shown in Figures 41 and 42 Supportthe chimney at floor or ceiling penetra tion with aFTF8 stabilizer if distance of chimney below ceiling is 10 3 m or more Maintain 2 51 mm minimum air space to combustibles from chimney sections The chimney must pass vertically through the attic space Attic Space F8FS30 2 Firestop Spacer FTF8 S4 Stabilizer 30 Firestop and Attic Above F8FS30 2 Firestop Spacer 2 51 mm in Air Space Stabilizer 30 Firestop and Room Above 10 3m Max Figure 42 GLASS DOORS The Fireplaces require the use of the standard glass doors provided The use of any other non listed door on these fireplaces may result in a potential fire hazard and is not recom mended Make a careful inspection of all parts before installing the doors to ensure they are undam aged and complete There will be two 2 glass door assemblies for both sides of the CST38MH fireplace Note e Design characteristics of a dual opening fireplace whether masonry or factory built may cause itto not draft properly and smoke Forthis reason glass doors are required with model CST38MH fireplaces e Upper door pivot pins can also be loosened for adjustment purpo
13. 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 m 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 es tablished onthe roof surface located horizontally 10 3 m from the chimney edge The top ofthe chimney must be at least 2 610 mm above this reference point In all cases the chimney cannot be less then 3 914 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 op eration Trees buildings adjoining roof lines adverse wind conditions etc may require a taller chimney should the fireplace not draft properly see Figure 33 2 610 mm Min 3 914 mm Min FTF8 CHIMNEY COMPONENT CALCULATIONS The minimum installed height of the completed fireplace system is 15 The maximum system height is 80 0 To determine the number of chimney sections and chimney components required follow these steps 1 Determinetotal vertical height ofthe fireplace installation This dimension is the distance from the surface the fireplace sets on to the point where smoke exits from the termina tion
14. 40 x 1 2 1016 mm x 1016 mm x 13 mm wall shield constructed of a durable non combustible material with an equal or greater insulating value than k 84 BTU IN FT2 HR F refer to Pages 18 19 and 20 As with all chimney installations avoid overhead obstructions such as trees power lines etc Additionally chimney terminations must meet certain clearanceto 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 pre vent 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 CHIMNEY SYSTEM These fireplaces are designed and code listed for use with Security Chimneys FTF8 chimney System only Always use Security Chimneys FTF8 chimney components with these fireplaces Do not modify or alter these components as this may cause a potential serious hazard and void the Warranty Construction Materials Framing Materials e Paneling Particle Board e Flooring Dry Wall e Plywood Noncombustible Insulating Materials Fic Chimney Height The total height of your Fireplace systems from the surface the fireplace rests on to the chimney top must not exceed 80 24 4m
15. NORMALLY REQUIRED Tons Phillips screwdriver Framing materials Hammer Wall finishing materials Caulking materials Saw and or sabersaw Level noncombustible Measuring tape Fireplace surround and Plumb line hearth extension Electric drill and bits materials Pliers noncombustible Square PRECAUTIONS The most important areas of concern dealing with the installation of factory built fireplaces are clearances to combustible materials proper assembly of component parts height of the chimney system the proper use of accessories supplied 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 Note These fireplace systems are not difficult to install However in the interest of safety it is recommended that the installer be a qualified or certified tradesman familiar with commonly accepted fireplace installation and safety tech niques as well as prevailing local codes INTRODUCTION General Information The CST38MH Series is a radiant heat two sided fireplace with standard glass doors and an outside combustion air kit is provided A steel grate is also included to properly posi tion the fire and limit the amount of fuel IF A REPLACEMENT
16. connection to a decorative gas appliance incorporating an automatic shut off device and complying with the standard for Decorative Gas Appliances for installation in vented fireplaces ANSI Z21 60 Install in accordance with the National Fuel Gas Code ANSI 2223 1 A CAUTION When using the decorative gas appliance the fireplace damper must be set in the fully open position COLD CLIMATE 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 fireplace or chimney system FIREPLACE FINISHES Mantels and Trim Itis sometimes best to frame your fireplace af ter itis positioned and the chimney is installed Frame
17. 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 ofthe unit butthe header must not be notched to fit around the spacers In all installations combustible mantels and trim may be installed 12 305mm above the opening as per NFPA 211 latest edition and Figure 45 f a mantel is of a noncombustible material it is exempt from the requirements as long as it does not interfere with the operation of glass doors NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Spacer False Header Finished Wall 3 Min Tes 152 mm Figure 45 Mantel Clearances Fireplace Opening Hearth Extensions and Wall Shields A hearth extension must be installed with all fireplaces Its purpose is twofold It protects a combustible floor in front of the fireplace from both radiant heatand sparks and it distinguishes the prescribed hearth extension area from other non protected surfaces The hearth extension must extend beyond the front and both sides of the fireplace side openings Use a hearth extension constructed of a durable noncombustible material having an equal or better lower k value insulating value of k 84 BTU IN FT HR F or a thermal resistance that equals or exceeds r 1 19 HR F FTZ BTU IN A minimum 3 8 10 mm thick noncombustible material is all that is required over a noncombustible or slab floor If there is a c
18. 014M Ref Form 750 077M Chase Termination Round 63L45 FTF8 CTDT Arch Type Termination 96L22 FTF8 ATT LLL Ds Chase Termination 96L20 FTF8 CTT Ref Form 750 015M Chase Termination Pyramid Square 63L48 FTF8 CT1 Termination Chase Termination Pyramid Black icm LS ALAS FTF8 CTD Spark Arrestor Square 91L79 FTF8 CT1P Contemporary Termination CT2 Termination 63L57 FSA 2 Round Black H2238 FTF8 CTDP Ref Form 750 016M Chase Termination Square 63L51 FTF8 CT2 Ref Form 750 205M Chase Termination Round 0203 FTF8 CTDTM All Glass 38 Aluminum Bi Fold Doors 12M07 Black Standard 38ABF 12M08 Brass 38ABF BB 12M09 Brushed Stainless 38ABF BS NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE NOTES NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 23 24 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 Printed in U S A 2006 by LHP LHP P N 700 033M REV C 12 2006 1110 West Taft Avenue Orange CA 92865
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20. GRATE IS NEEDED REPLACE THE GRATE WITH MODEL SGR 38B ONLY Note Illustrations shown reflect typical installations with nominal dimensions and are for design and framing reference only Actual installations may vary due to individual design preferences However always maintain minimum clearances to combustible materials and do not violate any specific installation requirements These fireplaces have been tested and listed by OMNI Test Labs Report No 116 F 20 4 to U L standard 127 These units are intended for installation in Manufactured Homes residential homes and other buildings of conventional construction including commercial 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 latest edition and in accordance with codes such as the BOCA Basic National Codes the Standard Mechanical Code and the Uniform Building Codes TYPICAL INSTALLATION Chimney and Termination Firestop Thimble Outside Combustion Air Kit Figure 1 A WARNING Failure to use manufacture provided parts variations in techniques and construction materials or practices other than those described in this manual may create a fire hazard and void the limited warranty A WARNING Do not pack or fill required air spaces with insulation or other material No materi
21. INSTALLATION INSTRUCTIONS MANUAL 51 SUPERIOR Model CST38MH 36 Wood Burning Fireplaces P N 700 033M REV C 12 2006 Retain These Instructions For Future Reference 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 NATIONAL installation aid 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 CERTIFIED and approvals of this system and could result in an unsafe and potentially www nficertified org dangerous installation We recommend that our woodburning hearth products IMPORTANT TO ASSURE PROPER ALIGNMENT OF GLASS DOORS INSTALL THIS FIREPLACE IN A in the U S by the National SQUARE AND PLUMB CONDITION USING mamuts IEN as SHIMS AS NECESSARY AT SIDES AND OR oodburning Specialists or who are certified in Canada BOTTOM by Wood Energy Technical Training WETT Listed By Oregon USA is OMNI Test Laboratories Inc Technical Training Report No 116 F 20 4 TABLE OF CONTENTS Safety Page 2 Tools and Building Supplies Page 2 Precautions sss Page 2 Introduction inn Page 3 Clearances Height Requiremen
22. IS ALWAYS REMOVED FROM INSIDE THE FIREPLACE DO NOT REMOVE THE KNOCKOUT UNLESS YOU ARE INSTALLING A GAS LINE If removal is at tempted from the outer wrapper side refractory damage may occur With a medium sized ham mer 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 insulation 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 codes Check all connections using a gas leak test solution also referred to as bubble leak solution Note Using a soapy water solution 50 dish soap 50 water is an effective leak test solution but it is not recommended because the soap residue that is left on the pipes fittings can result in corrosion over time Never test any gas line connection with a match or open flame A IMPORTANT Repack insulation material in square hole around gas line interior and exterior to seal For all areas this provision is intended only for
23. al is allowed in these areas Secure the airspace around the chimney with the firestop thimble before completing the installation Maintain 2 clearance between chimney and thimble A WARNING Ifinsulation is used the fireplace must not be placed directly 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 When complete these fireplace systems con sists of four basic sub systems 1 The Fireplace 2 The Chimney and Termination 3 Glass Doors 4 Combustion Air Kit 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 minimum 2 1 2 air space to combustibles respectively Acombustible mantel may be installed 12 above the opening of the fireplace as per NFPA 211 latest edition NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE The fireplace opening must be kept a minimum of 8 203 mm from a protected combustible side wall A perpendicular side wall can not be closer that 18 457 mm If there is a continu ous perpendicular side wall closer than 18 from the fireplace opening it must be protected with 40 x
24. at the ceiling roof in manufactured homes Figures 22 and 23 Outer Pipe Of Chimney enn FM8 AT2 Pitched Roof Outer Pipe Of Chimney Note Trim Thimble Extension To Desired Length And Pitch At The Rood Line 3 Thimble 14 Min Extension Y F8 TE26 2 Pitched Roof Outer Pipe Of Chimney Thimble FM8 AT2 Figure 22 A WARNING Donotallow insulating materialsto be blown into the space inside the thimble andthe chimney To doso could result in a fire hazard NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Outer Pipe Of Chimney Thimble Cathedral Ceiling Use Adjustable Thimble FM8 AT2 For Ceiling Piches From Flat To 3 12 Pitch Figure 23 Step 4 Nofe Chimney sections are con structed with a unique locking tab design which ensures an immediate tight assembly between sections Plan your chimney requirements carefully before assembly as chimney is difficult to disassemble after installation If disassembled the tabs might become damaged 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 sect
25. close pull handle down and release damper will fall to the closed posi tion Note The damper may be operated from both firebox openings NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Step 2 Using standard construction framing techniques construct opening for chim ney route up through the ceiling s and roof or through an outside chase Framing must maintain adequate mini mum air space clearance at all times A CAUTION Allow minimum 2 51 mm chimney air space to combus tible framing members through out vertical 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 combustible materials extend ing for any continuous length surrounding the chimney Reference Figures 15 and 16 on Page 8 which specify minimum ceiling and roof di mensions 10 For new construction to determine chimney center line use plumb line from roof or ceil ing 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 Plumb Line Figure 19 Step 3 Position appropriate thimble firestop spacer combinatio
26. e Hearth stone Wonderboard 10 71 10 3 4 Table 5 f the hearth extension material s that is intended to be used is NOT listed on Table 5 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 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 exceptable caluculation methods and acceptable alternate materials which can be used Super Firetemp M Johns Manville Super Firetemp L Johns Manville Cement mortar Ceramic tile 1 A NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 19 20 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 r and k values are not R value 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 or greater than RY r xT 119 x 1 1 19 If it is desired to elevate a marble hearth extension to a level of 5
27. eat circulating air inlet grill on circulating models 5 16 130 mm If C Style Door Is Used 4d Maximum Thickness of Hearth Extension when Fireplace is on the Floor Figure 47 FINISH TO YOUR TASTE There are a wide variety of finished looks for your Fireplace from formal wall decor with elaborate mantels to rustic wood paneling or warm brick facings NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 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 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 as illustrated in Figure 48 Combustible Materials Allowed in Shaded Area 456 118 mm 1 25 mm NY 8 203 mm Minimum Distance to Protected Side Wall 18 Minimum Distance 457 mm to Unprotected Side Wall Figure 48 ACCESSORY PARTS AND COMPONENTS LIST FOR MODEL CST38MH Theaccessory parts and components shown on Pages 21 and 22 areto be used only with your CST 38MH fireplace system Separate installa tioninstructions are packaged with all combus tion air kit
28. 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 sup plied Step 3 Refer to fireplace drawings and speci fications on Pages 7 and 8for framing dimensions and details False header may be positioned directly on top of the fireplace spacers see Figures 10 11 and 12 A IMPORTANT Under no circumstances can the fireplace top spacers Figure 13 be removed or modified nor may you notch the header to fit around or be installed lower than the spacers The header may be in direct contact with the top spacers but may not be supported by them 4x 6 Header 2x 4 False Figure 10 If the appliance is to be elevated above floor level a solid continuous platform must be constructed The header may rest on the top metal spacers but must not be notched to fit around them Consult all local codes NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE No Combustible Materials in Shaded Areas Figure 11 No Combustible Materials in Shaded Areas Figure 12 FIREPLACE SPECIFICATIONS Product Reference Information Cat Model Ship Ship Outside combustion Air Kit No
29. faces 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 fireplace system including chimney and surround materials such as brick stone etc to be installed Shipping weights for the fireplace may be found on Page 7 N Measure the square footage ofthe floor space to be occupied by the system surrounds and hearth extensions 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 Use this information and consult your local building code to determine if you need ad ditional support A CAUTION Do not block the heat circulating air inlet and outlet ports Doing so may result in a potential fire hazard gt A CAUTION The structural integrity of the manufactured home floor wall ceiling and roof must be main tained The firestop thimble supplied with the unit must be used on a manufactured home installation The firestop thimble must extend completely though the roof cavity to the outermost plane of the roof See Figures 21 22 and 23
30. ion 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 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 24 Figure 24 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 25 Locking Tabs Lances 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 ceiling opening Assemble just enough to penetrate the roof flashing openings Figure 26 Always maintain 2 51 mm minimum air space to combustible materials and always check each pipe joint inner and outer to ensure proper engagement Check vertical alignment of chimney so that it projects from the roof in true vertical position 2 51mm Min Air Space to Combustibles Figure 26 Security s chimney sections do not need to be screwed together Additional reinforcement is not necessary except in certain offset conditions refer to Page 16 Figure 38 Step 5 Theheightofvertical chimney pipe sup ported only by the fireplace must not e
31. lder contractor to ensure that adequate combustion air has been provided for the fireplace 13 Always ensure thatthe air inlet to the fireplace is free from debris and any other obstructions that can block the entrance of air 14 D0 NOT use a fireplace insert or any other productnot specified by the manufacturer of this LHP appliance for use with this fireplace All gas log sets must be operated with the damper clamped open NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE A WARNING This fireplace has not beentested with an unvented gas log set To reduce risk of fire or injury do not install an unvented gas into this fireplace 15 Smoke free operation is not warranteed nor are we responsible for inadequate sys tem draft caused by mechanical systems general construction conditions inadequate chimney heights adverse wind conditions and or unusual environmental factors or conditions beyond our control 16 Never under any circumstances install a fireplace chimney component or any accessories that has visible or suspected physical damage as a result of handling or transportation These items should be inspected by your distributor or qualified fac tory representative to ensure safe condition When in doubt consult your distributor 17 For additional safety considerations and complete operating instructions refer to the Care and Operation Manual provided with the fireplace TOOLS AND BUILDING SUPPLIES
32. n at ceiling and nail temporarily with two 2 8d nails or equivalent fasteners see Figures 21 22 and 23 Use thimble firestop spacer model FM8 AT2 if chimney penetrates ceiling vertically If chimney penetrates ceiling at 30 angle offset chimney use Model F8FS30 2 Use one fastener on opposite sides to hold thimble firestop spacer combination in position Nail permanently using at least two 2 more fasteners after chimney sections have been assembled through the thimble firestop spacer combination and afterany necessary adjustments have been made Firestop spacer must be secured by at least four 4 fasteners when completely installed Note 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 Figure 20 Room Above Firestop Spacer Figure 20 F8FS 2 Attic Above 42 Clearance Minimum Firestop Thimble Figure 21 FM8 AT2 Ensure the thimble penetrates the roof opening Thethimble mustextend completely through the ceiling or roof cavity to the outermost plane of the roof Note Thimble extensions F8 TE26 2 are available from your dealer for constructions in which the distance between the outside of the roof and the inside of the ceiling exceeds 13 The thimbles and their extensions provide for zero clearances to combustibles and must be used
33. ontinuous perpendicular side wall closer than 18 mm from the fireplace opening it must be protected with a 40 x 40 x 1 2 1016 mmx 1016 mm x 13 mm wall shield see Figure 46 constructed of a durable noncombustible material having an equal or better lower k value insulating value than k 84 BTU IN FT HR F A continuous protected side wall can not be closer than 8 203 mm from the fireplace opening Secure the hearth extension to the floor to prevent possible shifting Wall Shield Required Where Less Than 18 Adjacent Wall is Never Allowed Closer Than 8 a Av pere Protected Side Wall Hearth Extension Dimensions Note To convert inches to millimeters divide by 03937 Methods of Determining Hearth Extension and Wall Shield Equivalents To determine the thickness required for the alternate material when either the k value or r value is known use either the k formula or r formula Example If Micore 160 is to be used for the hearth extension fireplace how thick must this material be ky k value per inch of alternate material r value per inch of alternate material Ty minimum thickness required for alternate material T standard thickness of the alternate material k k value per inch of listed material r value per inch of listed material T minimum thickness of listed material Note asterix indicates it is a value taken from Table U
34. ood A 6 1 2 151 mm diameter hole is sufficient Feed the loose end of the flexible air duct through the hole cut for the inlet hood and attach to collar oninlet hood using the tie strip provided Insert hood into opening Secure in place with the No 8 x 1 1 2 screws provided or with nails driven through holes in hood flange Seal with noncombustible waterproof silicon type caulk ing If additional length of duct is necessary purchase locally available Class 0 or Class 1 ducting The duct may extend up to 50 15 2 m in any direction Note Do not terminate combustion air kit in attic space under any circumstances A CAUTION Never locate the air inlet where it could be blocked by shrubs leaves snow drifts etc Never locate the air inlet in garage or any area where there is another fuel burning appliance or prod ucts emitting combustible gases such as paint gasoline etc In cold climates it is recom mended that the combustion air duct be insulated A CAUTION Inno event may the total duct for bringing in outside air exceed 50 15 2 m Non Combustible Class 0 Or Class 1 6 Inch Air Inlet Duct Actuator Arm Clamp Securely At Top And Bottom Air Inlet Assembly Attach To Floor Vented Crawl Space Figure 18 Outside Combustion Air Kit INSTALLING THE CHIMNEY SYSTEM Step 1 Checkflue damperfor proper operation To open push handle up and release Damper will open automatically To
35. rn approved fuels only as defined in the Homeowner s Care and Operation Manual 6 DO NOT 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 inthis 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 that an 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 In the event the home is tightly sealed with modern energy efficient features the com bustion air kit provided may not provide all the air required to support combustion e 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 bui
36. rtighten as this might damage the chimney section refer to Figure 25 Note If chimney extends more than 8 2 4 m above roof surface guy wires are also recom mended Use three 3 guy wires attach to locking band assembly extend and secure to roof inatriangular pattern Figure 31 Guy wires are not supplied by the manufacturer Roof Ridge Q Figure 31 Step 10 Using an FTF8 CTD Round Termi nation 1 Hold the CTD overtop of last chimney section Figure 32 2 Center inner slip section in inner flue pipe slip down NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE CTD Termination Chimney Figure 32 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 Note It is recommended that all exterior exposed metal fireplace components such as terminations flashings storm collars and or flue be painted with a premium quality high temperature rust preventative paint designed for metal This is especially important when installations are made in abnormally adverse or corrosive environments such as near lakes oceans or in areas with consistently high humidity conditions Consult the paint manu facturers instructions for proper preparation and application ma Less than 3 1 10 3 m 3 914 mm Min Figure
37. s and chimney terminations If you encounter any problems or have ques tions concerning the installation or application ofthis system please contact your distributor Forthe name of your nearest distributor please call 1 800 953 6669 LHP 1110 West Taft Avenue Orange CA 92865 INSTALLATION COMPONENTS D Storm Collar 63L59 FSC Storm Collar 12 pack 94177 FSC B 12 Offset Return Package R4 30 Degree Offset Return Elbow 530 63122 15 Degree Offset Return Elbow 8 5 63128 63L10 FTF8 12 63L13 FTF8 18 H0522 FTF8 24 63L14 FTF8 36 Chimney Section 63L15 FTF8 48 Stabilizer 63L25 FTF8 S4 19M55 F8F6MH 19M56 F8F12MH 63L38 0 6 12 F8F6 Flashing 63L39 6 12 12 12 F8F12 Adjustable Chimney Pipe Kits H0560 FM8 PK20 Ref Form 750 012M Combination Offset Return Elbow 63L28 FTF8 OR15 Adjustable Firestop Thimble H0326 FM8 AT2 Firestop Spacer 30 2 63L32 F8FS30 2 Ref 1 Form 750 080M 4 Locking Band 63L60 FLB I Thimble Extension 2 19 52 F8 TE26 2 Air Inlet Hood FOAK 6W optional Firestop Spacer Flat Single Pack 63L31 F8FS 2 E Firestop Spacer Flat 12 Pack 94L76 F8FS 12 Floor Inlet Assembly FOAK 6 standard Outside Air Kit optional 19M17 FOAK 6W Outside Air Kit standard 90183 FOAK 6 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 21 22 ACCESSORIES AND COMPONENTS tec T Ref Form 750 036M Ref Form 750
38. sed on a single flue system provided the total height of the system exceeds 25 7 6 m 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 Ref erence Components Effective Height Chart in Figure 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 21 and stabilizers as shown in Figure 27 INSTALLING OFFSETS First review Offset Elevation Chart Table 3 and Figure 34 on Page 14 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 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 In stallation Instructions for cutting and framing ceiling and roof openings No
39. ses however itis easier to loosen lower pins A CAUTION If an optional brass or stainless doorwas purchased remove the plastic protective coating from the doors before assembly and installation Failure to remove the coating before first use will result in damage to the finish A 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 A WARNING These fireplaces should be oper ated only with the doors fully closed Figure 44 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Spring Clip Upper Door Guide Track Pivot Pin a Figure 44 GAS LINE INSTALLATION The Fireplaces have been approved to accept a 1 2 13 mm gas line for an approved gas appliance Always have the appliance installed by a qualified licensed plumber in accordance with all local building codes The gas line may enter either end of the fireplace A CAUTION Plumbing connections should only be performed by a quali fied licensed plumber Main gas supply must be off when plumbing gas line to fireplace or performing service 17 18 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 8 29 mm round indentation located at the bottom and slightly off center in the side refractories THE KNOCKOUT
40. sing the k formula Minimum k value per Inch of Specified min thickness of alternate material k x thickness alternate k value per inch of listed material T of listed material k material inches T 84 Ty inches 39 1 84 416 inches 416 X 1 Answer The minimum required thickness of the Micore 160 is 417 there fore round up to nearest standard thickness available which is 1 2 Using the r formula Minimum r value per Inch Specified min thickness of of listed material X thickness alternate r alue per inch of listed material of alternate material material inches n T inches 1 19 1 2 86 417 inches 416 X 1 Answer The minimum required thickness of the Micore 160 is 417 there fore round up to nearest standard thickness available which is 1 2 Figure 46 Listed Material r per inch Listed Min Thickness Listed Material 84 1 19 Approved Alternate Materials for Floor Hearth Protection AlternativeMaterials Thermal Values MinimumThickness rounded to nearest 1 8 inch Min Thickness T 56 1 2 E k per inch r per inch r Kaowool M Board Micore 1607 U S Gypsum Micore 3007 U S Gypsum M 2 17 55 1 2 2 29 2 1 4 Durock Cement Board U S Gypsum Hardibacker Hardibacker 500 2 74 2 3 4 3 36 3 3 8 Cultered Ston
41. sure you have all the necessary parts supplied in good us able 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 extreme range of motion up and back in the closed position When pulled forward and down the damper is open Damper Damper Closed 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 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Figure 4 A WARNING This fireplace and chimney system is not approved for use in a bedroom or any room used for sleeping Carefully consider the position of the fireplace opening with respect to the location of adjacent or nearby stairwells bath or kitchen exhaust 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 When locating the fireplace consideration must be gi
42. te 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 root NOTE DIAGRAMS amp ILLUSTRATIONS ARE 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 con nection by pulling up slightly to ensure a tight fit Next the outer sections snap locks OVER the preceding outer section of chimney Again 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 en gaged Step 5 Secure support straps to framing members by nailing under tension in sheer Figure 40 Figure 40 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 elbowassembly when installing Ensure subse quent chimney sections are securely attached
43. ts Chimney Page 3 Assembly Page 4 Location of Fireplace Page 4 Assembly 5 5 Preinstallation Notes Page 5 Clearances Page 5 Installing the Fireplace Page 5 Fireplace and Framing Specifications Page 7 Framing Wall Variations Page 8 Combustion Air Page 8 Installing the Chimney System Page 9 Ten Foot Rule Summary Page 13 Chimney Component Calculations Page 13 Special Offset Instructions Page 13 Offset Elevation Page 14 Vertical Elevation Chart Page 15 Offset Calculations Page 16 Installing Offsets Page 16 30 Offset through Floor Ceiling Page 17 Glass Doors Page 17 Gas Line Installation Page 17 Cold Climate Insulation Page 18 Fireplace Page 18 Mantels and Trim Page 18 Hearth Extensions Wall Shields Page 18 Finish Requirements Page 20 Accessories And Components
44. ven 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 Opening 48 Figure 5 Clearances ASSEMBLY STEPS Note The 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 Install the chimney system Install outside combustion air kit Plumb gas line if a decorative gas appliance will be used Gas connections should only be performed by an experienced licensed certified tradesman Install both All Glass door assemblies Complete finish wall material surround and hearth extension to your individual taste 7 Inststall the glass doors provided oo Study the three dimensional illustration Figure 71 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 plywood particle board or other hard sur
45. xceed 30 Chimney heights above 30 must be supported by a Model FTF8 S4 stabilizer installed at 30 intervals Note The Model FTF8 S4 adds 3 net effective height to the total chimney system Install the Model FTF8 S4 stabilizer by fitting inner section down into respective section of proceeding flue pipe and locking outer stabilizer section into place over the outer chimney pipe Position for proper clearance through framed opening and nail straps securely undertension in shear into place on framing Use 8d nails Attach successive lengths of chimney pipe directly to stabilizer using same techniques as described in Step 4 Figure 27 FTF8 S4 Stabilizer Figure 27 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 6 12 to 12 12 Table 2 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Next slide roof flashing over extended chimney section that previously has been installed above the roof opening in Step 4 Slide flashing 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 minimum air space to combustibles FTF8 Chimney Do Not Seal
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