Lennox Hearth MP-36OD User's Manual
Contents
1. AHH HIP A A HH gt NOHO CH gt NOHO OH OA ooo oO ooo HoH ocof o0 COO Omn gt mmm gt gt Oo ooo 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 0 2 1 0 1 0 0 1 Table 3a Table 3b NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE INSTALLING OFFSETS First review the Offset Elevation Chart and Figure 49 for reference Step 1 Determine the offset distance where chimney r chimney is to pass through the first ceiling dimension A To find this point on your ceiling first determine the center point for a vertical chimney following the instructions for vertical installation Measure height to the ceiling from the top of fireplace dimension B Use the appropriate Offset Elevation Chartto find Figure 47 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 Figure 45 stallation Instructions for cutting and framing ceiling and roof openings Note See Framing and Dimension Chart for the size2. Where Less Than 12 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 5 Using the k formula Minimum k value per Inch of Specified min lhickness of alternate material k x thickness alternate k value per inch of listed material T of listed material k material inches ku X T 84 T inches 35 X 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 oflisted material X thickness alternate r value per inch of listed material of alternate material material
3. 1 95 230 Cultered Stone Hearth Ed stone EUN 5 EUN Note Also see NFI National Fireplace Institute Certification Manuals showing other exceptable caluculation methods and acceptable alternate materials which can be used 21 22 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 2149x 1 1 19 If it is desired to elevate a marble hearth extension to a level of 5 or more above the floor surface What combination of noncombustible materials can be used to accomplish this If common brick is used so that the 3 1 2 dimension is the height R forthe common brick becomes brick 020 x31 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 R a 0 05 x 3 4 038 mortar R ty XT 0 20
4. Single Pack 63L31 F8FS 2 em Firestop Spacer Flat 12 Pack 94L76 F8FS 12 Firestop Spacer 30 63L30 F8FS30 go s Firestop Spacer 30 63L32 F8FS30 2 Firestop Spacer 45 Canadian 63L33 FFS 45C S Storm Collar 63L59 FSC Storm Collar 12 pack 94177 FSC B 12 Spark Arrestor CT2 Termination 63L57 FSA 2 Offset Return Package 30 63L22 FTF8 ES30 45 Offset Return Package Canadian 63L69 FTF8 ES45C Ref Form 750 012M Combination SS Offset Return Elbow 63L28 FTF8 0R15 En ME E H1935 36ABFOD BS 36 Bi Fold door Stainless Stabilizer 63L25 FTF8 S4 Air Inlet supplied with fireplace Shown here for re placement purposes only c Ref Form 750 191M Outside Air Kit H1964 OAK OD Ref Form 750 140M 63L38 F8F6 Flashing 63L39 F8F12 H1937 36 0DC 36 Stainless Weather Cover 2 F NN N unen Chimney Section 63L10 FTF8 12 63L13 FTF8 18 H0522 FTF8 24 eae EE M Ref Form 750 198 Air Gate is shown apart for illustration purposes only Ref Form 4750 080M Canadian 62L92 FTF8 18C i Chimney Section 62L93 FTF8 36C Air Gate Kit H1972 OAKG OD Cold Climate Kits 63L61 FTF8 CCK1 LD NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 23 Contains 3 FTF8 36 1 F8FS 1 F8F6 1 FTF8 CTD Contemporary Termination Round 63L42 FTF8 CTD Chimney Pack conventional Contemporary Termination Convenience Pack Residential 63L70 FTF8 CP
5. inches T X T fy inches 1 19 X 1 2 86 417 inches 416 X 1 Answer The minimum required thickness ofthe Micore 160 is 417 there fore round up to nearest standard thickness available which is 1 2 Figure 53 Listed Material k per inch r per inch Listed Min Thickness 84 1 19 d K f T Approved Alternate Materials for Floor Hearth Protection AlternativeMaterials Thermal Values MinimumThickness rounded to nearest 1 8 inch k per inch r per inch Min Thickness Ky Ty Listed Material ar Kaowool M Board Micore 160 U S Gypsum Micore 300 U S Gypsum i 2 29 2 1 4 2 74 2 3 4 Durock Cement Board U S Gypsum Hardibacker Hardibacker 500 3 36 3 3 8 sno EE a sm Wonderboard Super Firetemp M Johns Manville Super Firetemp L Johns Manville 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 ofthe 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 Cement mortar Ceramic tile
6. 5 Assembly Steps 6 Preinstallation Notes 6 Waterproofing Fireplace 6 Outside Air 8 Fireplace amp Framing Specifications Page 9 Installing the Fireplace Page 10 Installing the Chimney System Page 12 30 Offset through Floor Ceiling Page 13 Ten Foot Rule Summary Multiple Terminations Chimney Component Calculations Page 15 Special Offset Instructions Page 15 Offset Calculations Page 16 Vertical Elevation Charts Page 16 Installing 1 Offset Elevation Chart Gas Line Connection Vent Free Appliances Glass Doors Cold Climate Insulation Fireplace Finishes Mantels and Trim Page 20 Hearth Extensions Wall Shields Page 20 Finish Requirements Page 22 Installation Components Page 23 PACKAGING The assembled indoor outdoor 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 Outside Air Kit 3 Hearth Extension Strips PLEASE READ AND UNDERSTAND THESE IMPORTANT SAFETY RULES A WARNING To avoid the
7. Air Space Nw 30 Firesto And Attic Above 1 Min Air Space Air Space 30 Firestop And Room Above Figure 32 For Canada Only When installing the chimney system through an open attic space the attic shield assembly firestop spacer must be used Figure 33 This installation is required only for use in Canada Open Attic Space Figure 33 Note For Canadian installations all chimney installed outside the building must be con structed with galvalume on the outer sections only Note galvalume is galvanized The ap propriate model designations are located in the Step 4 Note Chimney sections are constructed with a unique locking tab design which ensures animmediate tightassembly 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 Chimney s FTF8 chimney system is a two piece chimney which snap together from the fireplace up Start with the inner flue section with the lanced end up snap lock it in to the matching collar on top of the fireplace At all subsequent joints the upper flue section fits into the preceding flue section Each piece snaps together by means of locking tabs 9 locking tabs per joint Check each piece by pulling up slightly from the top
8. Never test any gas line connection with a match or open flame This provision is intended for 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 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 2223 1 This complies with the revised U L 127 standard Vent Free Appliances This unit has been tested and approved to ANSI IAS AGA Z21 11 2 for use with unvented gas appliances for INDOOR INSTALLATIONS ONLY and complies with the standard for Fac tory Built fireplaces UL 127 when installed with unvented gas log sets Special instructions with regards to mantel installations must be taken into consideration when installing such appliances The unit has been tested for use with any unvented log sets having a maximum rating of 26 000 BTU in Indoor installations only The minimum mantel configuration for these log sets are outlined in Figure 52 Log sets with 40 000 BTU may be installed provided that no combustible mantel projec tions are placed lower than 18 inches from the fireplace opening These fireplaces have been marked with a maximum rating of 26 000 BTU to assure that homeowners do not exceed the allowable limits for all allowed
9. an optional outside air kit gate OAKG OD before the fireplace is framed in place A ATTENTION Assurer que les restes ext rieurs dekitd air ouverts pour une instal lation ext rieure cette chemin e n ont pas une commande de porte d air de combustion a install OAKG OD Si cette unit est install e l int rieur vous devez installer la couverture ext rieure d air de combustion fournie ou une porte ext rieure facultative de kit d air OAKG OD avant que la chemin e soit encadr e en place Outdoor Locations Carefully consider the position of the fireplace opening with respect to the location of adjacent or nearby stair wells doors windows walk ways and over hanging trees patios and wires NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE When choosing alocation care must be taken to avoid places where flooding or running water may be a problem DO NOT place furniture or other items such as plants or decorative objects within 60 of the fireplace front face Outdoor Locations Top View Wj ed 7 Air MUSS m must be free of Optional any obstructions Hearth Extension nol Restrictions for Outdoor installations Outside Air Kit must be installed and fully open on the outdoor installation On the indoor installation is optional unless mandated by local bui
10. Air Inlet Provided Figure 1 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE A WARNING If insulation is used the fireplace 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 A AVERTISSEMENT Si un isolant est utilis il ne doit pas venir en contact avec le foyer Lisolant ou le coupe vapeurs si utilis e doit d abord tre couvert d un panneau de gypse contre plaqu panneau de particules ou d un autre mat riel pours assurer que isolant et le coupe vapeurs demeurent en place 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 INDOORS Chimney and Termination Outside Air Kit installa tion is optional unless mandated by local build ing codes Outside Combustion Air Kit Optional Note Framing and fireplace shown as reference only It can differ according to design and local building codes Figure 2 A WARNING Failure to use manufacture provided parts variations in techni
11. Flashing gt Figure 38 Note Do not caulk or seal the ventilating open ings or seal the flashing at the chimney Step 7 Secure flashing by nailing along the perimeter into roof using 8d nails 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 Cover nail heads with roof caulking Figure 39 Note 2 clearance to combustibles required in Canada Figure 39 Step 8 The standard Security FTF8 roof flash ing 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 40 Check all joints very carefully to ensure no water intrusion can take place Locking Band Mastic Figure 40 Step 9 Security Chimneys locking bands Model FLB may be required if the chimney extends too high above the roof flashing As a general rule ifthe 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 co
12. Optional Insulation In Outside Walls Of Chase Insulation Thermal Barrier LOCATION OF FIREPLACE Carefully select the proper location for heat circulation aesthetics chimney obstructions air inlet location 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 See Figures 5 amp 6 for examples When locating the fireplace consideration must be given to combustibles and final finishing See Figure 5and 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 Indoor Locations Carefully consider the position of the fireplace opening with re spect 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 Indoor Locations Top View l Y Optional Outside Chase Figure 5 A CAUTION To ensure that the outside air kit remains open for an outdoor installation this fireplace should not have a combustion air gate control installed OAKG OD If this unit is installed indoors you must install the outside combustion air cover provided or
13. 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 These fireplaces are traditional radiant heat fireplaces with standard bar grates optional Outside Air Kits required for outdoor installa tions and optional Operable Bi Fold Stainless Outdoor Glass Doors and Weather Cover These appliances are approved for installation indoors or outdoors Indoors These appliances are approved for installation in residential homes and other buildings of conventional construction including commercial not in manufactured homes see Figure 5 Outdoors Theseappliances are approve
14. all cases the chimney cannot be less then 3 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 refer to Figure 43 MULTIPLE TERMINATIONS If more than one termination is located in the same chase or within the same general prox imity we suggest they should be separated in distance at least 24 horizontally from flue center to flue center and stacked or staggered vertically at least 18 apart from the termination of one smoke exit to the termination of another smoke exit Figure 44 Figure 44 This suggestion is provided in the interest of better operation If the terminations are located too close to each other smoke may migrate from one flue into the other FTF8 CHIMNEY COMPONENT CALCULATIONS The minimum installed height of the completed fireplace system is 15 0 for indoor installa tions and 7 3 for outdoor installations The maximum height is 60 0 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 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 t
15. distance from the fireplace NEVER leave children unattended when there is a fire burning in the fireplace Always keep flue damper open when heat is present in the fireplace Before servicing allow the fireplace to cool Always shut off any gas to the fireplace while working on it This will prevent the possibility of burns 10 This fireplace is not a heater It is designed to ensure homeowner comfort by providing supplemental heat to its immediate area 11 Keep screens closed after feeding fire to keep embers from flying out ot fireplace 12 INDOOR INSTALLATIONS 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 n the event the home is tightly sealed with modern energy efficient features the optional outside air kit may not provide all the air required to support combustion N gt c 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 builder contractor to ensure that adequate combustion air has been provided for the fireplace An Outside Air Cover provided or an Out side Air Kit Gate model OAKG OD optional must be installed to prevent significant cold air infiltration 13 A
16. of pipe exceed 10 between elbows a chimney stabilizer Inches Feet Inches 12 18 36 48 Inches Feet Inches 12 18 36 48 must be used at the midpoint Figure 45 The 11 11 1 0 32 2 0 110 stabilizer support straps must be attached under tension in shear to structural framing members above When two sets of elbows are used the maximum combined length of chimney used between elbows cannot exceed 20 Figure 46 Example If C 10 then cannot exceed 10 FTF8 Vertical Elevation Chart FTF8 Vertical Elevation Chart 11 to 380 1 2 386 1 2 to 744 4 6 34 0 8 634 8 10 034 6 34 If an offset exceeds 6 length each chimney joint beyond the first 6 of offset to the return elbow must be secured by a No 8 x 1 2 sheet metal screw located at the underside of the joint Figure 47 CO KO CO CO CO CO CO CO n5 C cC ccj i rnc O A 1 8 diameter hole must be drilled in the chimney joint using a 1 8 diameter drill The hole should be drilled in center of joint overlap Figure 48 Be sure to drill only through the outer chimney casting Do not puncture the inner flue a Maximum offset of chimney system is 30 Two offsets must not be assembled to form a 60 offset However two sets of offset and return elbows may be used on a single f
17. optional accessory see Page 23 for ordering infor mation The Airgate kit is required on all INDOOR installations when an outside air kit is installed The Airgate Kit is NOT ap proved for use on outdoor installations Install outside air kit provided This kit is required on ALL outdoor installations optional for indoor installations Plumb gas line if a decorative gas appliance will be used Gas connections should only be performed by an experienced licensed certified tradesman Complete the installation finish wall mate rial surround and hearth extension to your individual taste Assemble and attach optional glass door assembly Study the illustration ofthe installation Figures 1 amp 2 to get a general idea of each element of your fireplace system PRE INSTALLATION NOTES A c c The fireplace may be installed directly on a combustible floor or raised on a platform of an appropriate height Do not place fireplace on car peting vinyl or other soft floor coverings It may however be placed on flat wood plywood particle board or other hard surfaces Be sure fireplace rests on a solid continuous floor or platform with appropriate framing for support and for indoor installation ensure 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 positio
18. surface the fireplace rests on to the chimney top must not exceed 60 and mustalso meet minimum height requirements Refertothe minimum system height chart see Table 2 INDOOR INSTALLATIONS Minimum System Height Security s FTF8 Pipe Vertical Installation One Offsets Two Offsets Table 1 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE OUTDOOR INSTALLATIONS Minimum System Height Security s FTF8 Pipe Vertical Installation One Offsets Two Offsets Table 2 See following Notes Notes Table 2 Outdoor fireplace system less than 15 feet height must be a minimum of 10 feet away from a building or combustible structure The 10 foot rule applies on all cases see ten foot rule summary on Page 15 The system height may be reduced to a single length of FTF8 48 pipe and termination with either the FTF8 CTD or FTF8 CTDT for a minimum height on a complete system of 7 3 The fireplace must be installed as a Freestanding system and located a minimum of 10 away from any building or structure refer to Figure 1 The minimum height will vary when using other Firecraft or Lennox Terminations Chase Enclosure A chase is a vertical box like structure con structed to surround the fireplace and chimney Refer to Figure 4 for atypical chase configura tion As with all chimney installations avoid overhead obstructions such as trees power lines etc A chase should be constructed and insulated just like
19. the actuator through several cycles including the lock position Ensuring proper operation and freedom of movement Return the actuator arm to the locked position Outside Air Kit Installation provided These appliances are equipped with a com bustion air inlet collar so that it is possible to duct combustion air from the outdoors to the firebox To accomplish an outside air hook up use only the Outside Air Kit provided with these appliances These kits come complete with all components necessary in completing a combustion air vent system Indoor Installations An Air Gate Kit must be installed prior to the installation of the Outside Air Kit purchased separately see Page 23 for ordering information Outdoor Installations Units installed outdoors are required to have the Outside Air Kit pro vided installed without the Air Gate Kit The optional Air Gate Kit is not approved on outdoor installations Outside Air Kit provided Required on all Outdoor installations Optional on Indoor installations Air Inlet Note Air Inlet Must Be Free Of Any Obstructions Install as follows Connect the 4 102 mm Class 0 air duct provided to the collar on the fireplace with the clamps provided in the kit s hardware package Figure 16 Route the Class 0 metallic air duct out the back wall or side wall up through the ceiling or floor joists to an outside wall The air duct s inlet should be located above any antic
20. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 OOH DH ONO ON OHIO HNO TCV O H HH NTW CO H NHN ODO H H HIT NH 00 O WWOIN ONNO N N NH O OH KH 0 OH Ao HC crnr5 orn5cocn5o o coocococ o ccoococ c5 coczcoo cooococcocococoocosoco NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Return Figure 50 Note The return elbow assembly performs the same function as stabilizer Consider this when determining the need for a stabilizer Note Do not apply excessive pressure to any subsequent chimney section following return elbow assembly when installing Ensure that each subsequent chimney section is securely attached by testing as noted above Gas Line Connection Install a 1 2 gas supply line through fireplace wall for connection to a decorative gas appliance inside the firebox Outside the gas supply line connects to a gas shut off valve recessed flush into the wall or floor The valve should be con trolled by a removable valve key for safety Always plumb gas line installation per local codes Check all connections with a gas leak detection solution for leaks which will bubble if present
21. 5 mm 16 1 2 27 419 mm 686 mm Flue Type FTF8 Vertical USA FTF8 Vertical at 2 Canada FTF8 Offset 30 USA FTF8 Offset 30 at 2 Canada Figure 19 Framing Roof Frame the opening for the roof as specificed here Note Faming Dimensions in Canada amp USA are different C because installations in USA require 1 Clearance to pipe D Installations in Canada require 2 Clearance to pipe Roof Framing Framing Dimensions for Roof Inches millimeters FTF8 at 1 USA FTF8 at 2 Canada 0 12 14 1 2 14 1 2 16 1 2 16 1 2 368 368 419 419 6 12 14 1 2 17 16 1 2 19 368 442 419 483 12 12 14 1 2 21 1 2 16 1 2 23 1 2 368 546 419 579 Perpendicular to roof ridge Figure 20 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE INSTALLING THE FIREPLACE Step 1 Slide the fireplace into prepared fram ing or position fireplace in its final position and frame later The fireplace may not be recessed into a 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 21 22 amp 23 The safety strips should overlap 1 2 min for continual coverage of the floor Note Safety strips are not required when fire place rests on a noncombustible surface
22. 7 Round Black H2238 FTF8 CTDP CLOSED TOP SHROUD TERMINATION KITS sod Inches millimeters a fB efo Ref Form 750 036M ii ii H1988 34 57 321 34 864 127 864 864 Chase Termination 8 Arch Top Termination Round H0203 FTF8 CTDTM For shrouds closed above 96L22 FTF8 ATT T typ CTS0 46 Shroud for double terminations C Ref Form 750 015M D Chase Termination Pyramid Ref Form 750 016M Square 63148 FTF8 CT1 os Chase Termination Chase Termination Pyramid Black Square 63L51 rrrecr 89481 MES SRE o H T uC Attic Shield Assembly 63L67 FTF8 FSAS zw A Ref Form 750 077M CTS0 33 44 Shrouds quar rae for Single terminations A 8 Open Top Termination clay top termination A T For open top shrouds 96120 FTF8 CTT SEEN UN lt 2 OPEN SHROUD KITS A Inches millimeters 4 ea Flashing 955 955 191 622 76 Spacers 48 58 4858 2 2412 3m H1987 CTSO 44 1235 am 62 76 Ref Form 750 014M Ref Form 750 145M 4 amp 58 7314 ri2m 2412 3m nm Termination Shroud Leg Kit H1986 CTSO 46 1235 aso 19 622 76 Chase Termination H0911 SLK 4 Round 63L45 FTF8 CTDT The manufacturer reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors style
23. ATION KIT OR PURCHASE THE OPTIONAL OUTSIDE AIR FIREPLACE earth products be installed and serviced KIT GATE OAKG OD SEE INSTRUCTIONS INSIDE THIS MANUAL FOR FURTHER DETAILS NFI by professionals who are certified in the U S by the National Fireplace Institute NFI as IMPORTANT POUR ASSURER L ALIGNEMENT APPROPRI DES NFI Woodburning Specialists or who are PORTES DE VERRE INSTALLEZ CE FOYER SUR UNE SURFACE certified in Canada by PLANE ET METTRE NIVEAU EN UTILISANT DES CALES AU CERTIFIED Wood Energy Technical Wood Energy BESOIN SUR LES COTES OU EN DESSOUS www nficertified org Training WETT E LLL Lez ATTENTION CETTE CHEMIN E A T NUM R E ET APPROU V E POUR TRE AIS MENT INSTALL E L INT RIEUR OU DEHORS S INSTALL L INT RIEUR VOUS DEVEZ INSTALLER Tested amp Beaverton OTL Report No LA COUVERTURE D AIR DE COMBUSTION QUIP E DE KIT Listed By Oregon USA 116 F 35 2 D INSTALLATION OU ACHETER LA PORTE EXT RIEURE FAC ULTATIVE OAKG OD DE KIT D AIR VOIR LES INSTRUCTIONS L INT RIEUR DE CE MANUEL POUR D AUTRES D TAILS OMNI Test Laboratories Inc TABLE OF CONTENTS Safety Rules i ince Page 2 Tools and Building Supplies Page 2 Precautiofis 2 nie Page 2 Irnitro duction onc Page 3 Clearances Height Requirements Page 4 Chimney 4 Assembly Outline 4 Location of Fireplace 5 Clearances
24. Air Cover If the optional outside air kit is not required in an indoor installlation you must install the outside air cover to close the opening for the outside air kit see Figure 8 Photo C A WARNING Indoor Installations Ifthe optional outside air kit is not required the outside aircover mustbe installed for safe fireplace operation A AVERTISSEMENT Installations d int rieur si le kit ext rieur facultatif d air n est pas exig la couverture ext rieure d air est exigent pour l op ration s re de chemin e The Outside Air Cover is included in the Instal lation Instrctuions package provided with this fireplace Follow the steps below a Remove the Outside air collar located on the side of the fireplace Do not discrd the screws see Figure 8 Photos A amp B c With the screws previously removed install the cover provided with the installation instructions kit see Figure 8 Photo C NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Outside Air Collar Right Outside Panel on 1 Fireplace 2 Outside Air Cover Installed Right Side Outside Pan on Firepla Required on indoor installations if an outside air kit is NOT installed C Viewed from right side of fireplace Figure 8 Outside Air Kit Gate Installation optional kit Indoor Installations Only The installation ofthe Air Gate shutter is required on all indoor installations to prevent cold air infiltra
25. F8 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 see Figure 37 Notes e 2 clearance to combustibles required in Canada 13 14 Figure 37 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 Flat to 6 12 F8F6 6 12 to 12 12 F8F12 Next slide roof flashing over extended chimney section that previously has been installed above the roof opening in Step 4 FTF8 flashings require flashing spacers Slide flashing all the way down until the flashing base rests flat on the roof Figure 38 Again check the vertical position of the chimney and the 1 minimum air space to combustibles FTF8 Chimney Flashing Spacers gt FTF8
26. INSTALLATION INSTRUCTIONS MERIT PLUS SERIES LENNOX HEARTH PRODUCTS 36 Indoor Outdoor Wood Burning Fireplaces P N 850 030M REV B 04 2006 MODEL MP 360D This installation manual will enable you to obtain a safe efficient and de pendable installation of yourfireplace system Please read and understand these instructions before beginning your installation Do not alter or modify the fireplace or its components under any circum stances 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 RETAIN THESE INSTRUCTIONS IMPORTANT TO ASSURE PROPER ALIGNMENT OF GLASS FOR FUTURE REFERENCE DOORS INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CONDITION USING SHIMS AS NECESSARY AT SIDES AND OR VEUILLEZ GARDER CE MANUEL BOTTOM POUR REFERENCE FUTURE NOTE This fireplace has been listed and approved for use outdoors or indoors A French manual is available upon request Order P N 850 030CF Ce manuel d installation est disponible francais simplement en CAUTION THIS FIREPLACE IS EQUIPPED TO BE READILY IN faire la demande Num ro de la pi ce 850 030CF STALLED OUTDOORS IF INSTALLED INDOORS YOU MUST INSTALL THE COMBUSTION AIR COVER PROVIDED WITH THE NATIONAL We recommend that our woodburning INSTALL
27. LLUSTRATIONS ARE NOT TO SCALE Max Thickness Of Hearth Extension When Non Circulating Models Are On The Floor Figure 54 Secure the hearth extension to the floor to prevent possible shifting FINISH TO YOUR TASTE There are a wide variety of finished looks for these fireplaces from formal wall decor with elaborate mantels to rustic wood paneling or warm brick facings Only noncombustible materials like stone tile brick etc may overlap the black front facing Do not extend these materials beyond the black facing and into the firebox area Be sure not to interfere with the installation and operation of glass doors or block the upper or lower grilles Seal all joints between the black facing and wall surrounds to prevent air intrusion Use noncombustible caulking material only to seal the black metal facing to the surround material on the finished wall Combustible materials may project beyond the sides of the fireplace opening as long as they are kept within the shaded areas illustrated in Figure 55 Combustible Ma terials Allowed In 4 p Fireplace Shaded Area Safe Zone i 2 1 Y Min Distance To Protected Side Wall Min Distance To Unprotected Side Wall Figure 55 INSTALLATION COMPONENTS YESS The following items are available for use in the installation of this appliance KC Y Firestop Spacer Flat Single Pack 63L29 F8FS See Locking Band 63L60 FLB Firestop Spacer Flat
28. Maintain 1 25 mm Air Space At Back And Sides Hearth Extension 1 25 mm Space VAE LP Metal Safety Strip Floor Note Hearth extensions must not interfere with circulating grillwork Figure 21 Maintain 1 25 mm Air Space At Back And Sides Hearth Extension 1 25 mm Space Floor a Metal Safety Strip Platform Note Hearth extensions must not interfere with circulating grillwork Figure 22 Note Install the hearth extension only as il lustrated see Figures 21 amp 22 The safety strips should extend from front of the fireplace at least 1 1 2 and should extend to be at least flush with the sides In the eventa 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 wellas the floor beneath the hearth extension Figures 23 amp 24 The safety strips should be tacked down to prevent possible movement Note The Z type safety strip is not sup plied Note Safety strips are not required when fire place rests on a noncombustible surface 1 Metal Safety Strips Figure 23 A WARNING Under no circumstances can the fireplace top spacers see Figure 78 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
29. any outside wall In a cold climate we recommend the base of the chase should also be insulated between the solid continuous floor beneath the fireplace and the chase bottom Chase insulation in a cold climate installation is not required for safety Note Do not insulate the chase cavity with blown or fill type insulation materials Note Local codes may not require firestopping at the ceiling levels for outside chase installa tions However it is recommended for safely and the reduction of heat loss ASSEMBLY OUTLINE Before You Start Check your inventory list to be sure you have all the necessary parts supplied in good us able condition Check also for any concealed damage Checkthe operation ofthe damper The damper is controlled through the use of a control lever located within the firebox opening at the top center in front of the firebox lintel Figure 3 The control lever snaps into place at either extreme of its range of motion When locked in position all the way to the right the damper is open When locked in position all the way to the left the damper is closed ag Damper Damper Closed Open Lintel Combustion Air Actuator T when installed Figure 3 Chase Enclosure Indoor Installation Insulate Joists Same As Ceiling Draft Stops Firestop CTDT Termination gt Note Non Combustible Chase Flashing Must Be Zu Opening
30. by them Ay AVERTISSEMENT Sous aucune circonstance les espaceurs du dessus du foyer voir le sch ma 13 ne peuvent tre retir es ou modifi es vous ne pouvez pas entaillez le colombage pour ajuster autour ou tre install plus bas que les espaceurs Le colombage peut tre en contact direct avec les espaceurs du dessus mais ne peut tre soutenu par eux For Canadian Installations A Cold Climate Kit FTF8 CCK3 LD must be installed in all indoor installations Step 5 Attach the cold climate kit Model FTF8 CCK1 LD around the chimney collar with the screws provided see Figure 26 Note CCK1 LD model requires a 6 diameter Class 0 metallic air duct acquired locally by installer Figure 26 Cold Climate Kit Installation Instructions 1 Connect the 6 152 mm Class 0 metallic air duct to the collar on the chimney collar enclosure with the screws provided in the hardware kit See Figure 27 Step 4 The fireplace should be secured to the side framing members through the nailing tab at the top and bottom on each side of the fireplace 2 Route the Class 0 metallic air duct out the back wall or side wall up through the ceil Blocking Metal Safety Strips Figure 24 Step 3 Refer to fireplace drawings and speci fications see Figures 18 19 amp 20 for fram ing dimensions and details Frame appliance enclosure as illustrated in Figure 18 Note The framed depth 20 5 8 524 mm from a
31. d for installion against an outside wall of a house or as a freestanding fireplace on the porch patio or located in the yard see Figure 6 The Outdoor Fireplace must be enclosed to prevent impact damage to the outside of the fireplace Build an outside enclosure out of standard building materials being careful to maintain the minimum air clearances speci fied in these Installation Instructions When installing the fireplace as a freestanding unit on your porch patio or backyard it mustalso beenclosed to prevent impact damage to the fireplace However the enclosure must now be finished on all four 4 sides The exterior oftheenclosure may be finished in atextured plywood a wood clapboard siding brick or a cultured stone Termination FTF8 CTD CTDT Storm Collar FSC m A Flashing p Locally Fabricated Outside Air Kit provided must be installed in outdoor installation Use Only Non Combustible Materi als From Top Of Spacers Down And Within 1 2 Min To Side Frame H Side Frame Metal Safety Strips And Hearth Extension Required When Installed On Combustible Floor Or In Proximity To Combustible Floor Covering ss Vinyl siding is not recommended for use on the front of the fireplace due to the heat the unit produces This can cause the vinyl siding to deteriorate Note Illustrations shown reflect typical installations with nominal dimensions and are for design a
32. fic installation instructions 750 016M included with FTF8 CT2 chase terminations for clearance and installation details Using a FTF8 CTT Chase Termination Refer to specific installation instructions 750 077M included with FTF8 CTT chase terminations for clearance and installation details Less Than 10 Figure 43 Note It is recommended that all exterior ex posed 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 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 roofis less then 10 the top of the chimney must be at least 2 above the peak of the roof If the horizontal distance from the chimney edge to the peak of the roof is more than 10 a chimney height reference point is established on the roof surface 10 horizontally from the chimney edge The top of the chimney must be at least 2 above this reference point In
33. framed wall must always be measured from a finished surface If a wall covering such as drywall is to be attached to the rear wall then the 20 5 8 524 mm must be measured from the drywall surface It is important that this dimension be exact 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 front face Use 8d nails Figure 25 Nailing Tab M M Min Note The nailing tab and the area directly behind the nailing tab is exempt from the clearances described on Page 5 Maintainat least 1 2 clearance from the firebox wrap per to the framing at the closest point of contact directly adjacent to the flange Figure 25 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE ing or floor joists to an outside wall The air duct s inlet should be located above any anticipated snow level Note f the fireplace is installed against an inside wall the Class 0 metallic air duct may be extended into a ventilated attic space at least 18 457 mm above the attic floor Secure the duct hood to a vertical post with the inlet positioned downward Ensure that nothing blocks the hood opening This air duct must never terminate higher than the fireplace chimney Install As Shown With Opening In Downward Position Do Not Block 5 Foot Min Heigh
34. he point where smoke exits from the termination 2 Determine the number of chimney compo nents required except chimney sections This would include firestop spacers stabilizers roof flashing etc 3 The effective heights of the components are The Fireplace 36 1 4 FTF8 12 10 1 4 FTF8 18 16 1 4 FTF8 36 341 4 FTF8 48 46 1 4 FTF8 CTD Termination 4 FTF8 CT1 Termination 12 to 18 FTF8 CT2 Termination 15 to 23 FTF8 CTDT Termination 12 to 18 FTF8 CTDTM Termination 4 FTF8 S4 Stabilizer 2 5 Required for every 30 of vertical chimney and or 10 of offset chimney 4 Determine amount of chimney height required by subtracting total combined height of all pre selected components fireplace and chimney components from total desired height Reference Vertical Elevation Chart and determine 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 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 15 The offset and return elbows may be attached together or a section or sections of chimney may be used between but do not exceed 20 in total length between elbows If sections
35. hrough an outside chase Framing must maintain adequate minimum air space clearance at all times A CAUTION Allow minimum 1 chimney air space to insulation and building materials throughout vertical or offset chimney installation A ATTENTION Permettez a minimum 1 pouce espace a rien de chemin e a isolation aux mat riaux de construction et aux membres encadrants dans toute la verti cale ou excentrez l installation de chemin e Aminimum 1 airspace must be reserved for all combustible materials extending for any continuous length surrounding the chimney Note 2 clearance to combustibles required in Canada 2 d blayage aux combustibles exig s au Canada Reference Figures 19 amp 20 and charts Framing Dimensions for Ceiling and Roof which specify minimum ceiling and roof dimensions Innewconstruction 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 see Figure 28 Then plumb from ceiling or roof level directly above hole which has just been completed Figure 28 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Step 3 Position appropriate firestop spacer at ceiling and nail temporarily with two 2 8d nails Use flat fire
36. ing Secure in place with nails driven through the holes in hood flange Seal with noncombustible waterproof silicon type caulking If additional duct is needed use Class 0 metallic air duct refer to Figure 16 FIREPLACE SPECIFICATIONS MODEL MP 360D Product Reference Information Back Wall of Chase Enclosure OAK OD Combustion Including Finishing Materials if any Air Kit Cat Model Ship Ship No Weight Volume H1933 MP 360D 17510 17 3 cu ft See Note Rough Framing Face Inside Chase Unfinished Shown Outside Chase Indoor Installations Note When Framing With 6 Studs Header Must Be 17 432mm Higher Use Security Chimney s OR15 Offset Re turn Elbow To Recess The Chimney Back 2 1 2 64mm Flat Frame Down To A False Header At Maintain gt Required Clearance To Chimney At All Times Fireplace Framing 1 Air Space to insulation and construction materials on the back and sides Back Wall of Chase Enclosure Optional Outside Including Finishing Drainage Air Kit Materials if any Line Including Finising Materials Combustion if any Air Kit Optional 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 T dry wall at the fireplace face If sheathing the ough Framing Face chase or finishing with o
37. installations of mantels That limit may be increased to 40 000 BTU provided that the mantel installed complies with the 18 inch limitation and a copy of these instructions are available A IMPORTANT Allow minimum 1 chimney air space to combustible framing members throughout vertical or offset chimney installation A ATTENTION Permettez 1 minimal l espace a rien de chemin e aux mem bres encadrants combustibles partout dans vertical ou a l installation de chemin e de rejeton Note In Canada 2 clearance to com bustibles is required Note Au Canada po de jeu 2 aux com bustibles est exig A WARNING Unvented Gas Log Sets are not approved for use with fireplaces installed outdoors The materials and components will deteriorate prematurely if installed outside Refer to the log manufacturer s literature for limitations and exceptions AX AVERTISSEMENT Les ensembles de b ches a gaz sans conduit d vacuation ne sont pas approuves pour l usage avec des foyers installes a exterieur Les materiaux et les composantes se deterioreront prematurementsi installees a l exterieur Referez vous a la litterature du fabricant des buches pour les limites et les exceptions 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 ATTENTION Les raccordemen
38. ipated snow level Check local building codes for any restrictions We recommend that the inlet be at least 4 feet above grade level Note Air inlet ducts must not terminate in attic space A CAUTION Avoid installing the air inlet where the opening could be blocked by snow bushes or other obstacles The maximum height for the outside air is 50 feet above the hearth provid ing the air inlet is terminated a minimum of three 3 feet below the chimney cap level A ATTENTION Evitez d installer la prise d airou l ouverture pourrait etre bloquee par la neige les buissons ou d autres obstacles La hauteur maximum pour la prise d air est de 50 pi Au dessus de la base du foyer a condition qu elle se situe a au moins 3 pi En dessous de la sortie de la chemin e NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Note Secure the duct hood to a vertical post with the inlet positioned downward Ensure that nothing blocks the hood opening This duct must never terminate higher than 3 feet below the fireplace termination Figure 17 Air Inlet duct hood Figure 17 Duct Hole Framing Cut or frame a hole through the outside of the enclosure for the installation of the duct inlet hood A 5 127 mm diameter hole is required Feed the loose end of the flexible duct through the hole cut for the inlet hood and attach to the collar on the inlet hood using two 2 screws Insert the hood into the open
39. lding codes Minimum chimney height for the outdoor in stallation is 7 3 one 4 foot pipe section Only non combustible materials are al lowed on the front face Front Fireplace Frame and around the perimeter within 1 5 8 on the top and 1 2 on the sides see Figures 1 51 amp 52 Combustible materials may project beyond the sides of the fireplace opening as long as they are kept within the shaded areas illustrated in Figure 7 CLEARANCES Minimum clearance to combustibles for the appliance is as follows sides and back 1 25 mm floor 0 0 mm adjacent wall 12 305 mm ceiling 37 1 2 953 mm Note Clearance at the nailing tab is 0 0mm see Figure 25 Note Adjacent wall considerations are for an adjacent wall on only a single side Walls should not be placed at minimum distance at both sides of the fireplace Frame Surface Not to Be Covered With Combustible Materials Wall Covering Opening Safe Zone 12 Figure 7 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 2 Outdoor Installations Waterproof the fireplace See Waterproofing The Fireplace on Page 6 Install the chimney system Install an outside air cover or an airgate kit if fireplace is being installed indoors
40. lue system provided the total height of the system exceeds 25 www ow co Ss NS PO Return elbow support straps must be securely attached under tension in shear to structural framing members above Do not substitute a FTF8 30 offset elbow in place of a FTF8 E30 return elbow OFFSET CALCULATIONS Step 1 Use the Offset Chart Table 4 to deter mine amount of horizontal offset A and height B for various chimney section assemblies a gt CO QOO gt O QC CO NOU CO KO CO CO CO cO C9 O1 NON O1 DM o W O C5 Step 2 Use Height of Chimney Only column in The Vertical Elevation Chart to determine combinations of chimney used above return elbow to achieve desired heights Reference Components Effective Height Chart in vertical elevation chart section 0 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 0 0 Step 3 Use Elevation Chartas job estimator only Add necessary firestop spacers and stabilizers as required Firestop spacers must be used as shown in Figures 31 amp 32 and stabilizers as shown in Figure 37 c0 o0ogo0ooO o oc occodcococo c ccoco doc cocdoci ooc coi ooc ocl ccooo crilcocooo oc ococ CON ONIN
41. lways ensure thatthe air inletto 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 product not specified by Lennox for use with this fireplace All gas log sets must be operated with the damper clamped open including unlisted vent free log sets Listed vent free log sets may be operated with the damper closed 15 Smoke free operation is not warranteed nor are we responsible for inadequate sys tem draft 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 acces sories that has visible or suspected physical damage asa result of handling ortransporta tion These items should be inspected by your distributor or qualified factory 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 NORMALLY REQUIRED Toos Supplies Phillips screwdriver Framing materials Hammer Wall finishing materials Saw and or sabersaw Caulking materials Level noncombustible Measuring tape Fireplace surround and Plumb line hearth extension Electric drill and bits materials
42. nd 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 Laboratories Inc Report No 116 F 35 2 to U L 127 USA and ULL C 610 Canada These units are intended for indoor and outdoor installations as specified in this manual For installations in Canada the chimney clear ance to combustibles must be 2 inches and the Cold Climate Kit must be installed A WARNING Do not pack or fill required air spaces with insulation or other material No material is allowed in these areas Ay AVERTISSEMENT Ne remplissez pas les espaces libres d une mati re isolante ou de tout autre type de mat riel Aucun mat riel n est permis dans ces espaces vides TYPICAL INSTALLATION OUTDOORS Outdoor fireplace system less than 15 feet height must be a minimum of 10 feet away from a building or combustible structure If installed closer than 10 feet the 10 Foot Rule applies see Ten Foot Rule Summary on Page 15 _ Chimney Section FTF8 48 T 3 Min using one 4 section Notes e Framing is shown as reference only It can differ according to design and local building codes Fireplace is shown for illustration purposes only It may differ from actual model LY
43. ned into the opening Usually no special floor support is needed for the fireplace however to be certain mn Estimate the total weight of the fireplace system including chimney and surround materials such as brick stone etc to be installed Shipping weight for the fireplace may be found on Page 9 see Product Reference Information 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 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 N co A 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 WATERPROOFING THE FIREPLACE Outdoor Installations Although the fireplace is designed to drain to the front most of the water from rain and other sources that may enterthe hearth area conden sation and unusual conditions may cause water to collect inside the fireplace bottom To prevent water collection the builder must provide a means to drain water from under the fireplace by building or installing a water collector of the builder s choice before posi tioning the fireplace on its location INDOOR INSTALLATIONS ONLY Outside
44. ques and construction materials or practices other than those described in this manual may create a fire hazard and void the limited warranty A AVERTISSEMENT L chec d utiliser la fabrication les parties fournies les varia tions dans les techniques et le mat riel de construction ou les pratiques autre que ceux la ont d crit dans ce manuel peut cr er un risque d incendie et un vide la garantie limit e When complete these fireplace systems consists of five basic sub systems The Fireplace The Chimney and Termination The Optional Glass Doors The Optional Outside Air Kits The Optional Weather Cover for outdoor installations gt CLEARANCES AND HEIGHT REQUIREMENTS The fireplace may be placed on or near normal construction materials The outside air kit firestop spacer and roof flashing not chase flashings may be placed directly on or against normal construction materials A combustible mantel may be installed 12 above the opening of the fireplace as per NFPA 211 latest edition In Canada the minimum is 18 above the fireplace opening Inthe USA the chimney and fireplace outer wrapper require a minimum 1 gt air space to insulation and construction materials InCanada the chimney and fireplace outer wrapper require a minimum 2 air space to insulation and construction materials Construction Materials e Framing Materials e Paneling e Particle Boa
45. rd Flooring e Dry Wall e Plywood e Noncombustible Insulating Materials e Fic INDOOR INSTALLATIONS The minimum installed height of the completed fireplace system for is 15 0 The maximum height is 60 0 see Table 1 OUTDOOR INSTALLATIONS The minimum installed height of the completed fireplace system is 7 3 The maximum height is 60 see Table 2 The fireplace and chimney system must be enclosed when installed in or passing through aliving area where combustibles or people may come in contact with it This isimportantto 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 20 21 amp 22 CHIMNEY SYSTEM These fireplaces are designed and code listed for use with Security Chimneys FTF8 chimney Sys tem 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 Chimney Height Indoor Installations The total height of your completed fireplace system from the surface the fireplace rests on to the chimney top must not exceed 60 and mustalso meet minimum height requirements Refertothe minimum system height chart see Table 1 Chimney Height Outdoor Installations The total height of your completed fireplace system from the
46. risk of damaging fireplace materials and increas ing the risk of fire do not use the fireplace to cook or warm food Ay AVERTISSEMENT Pour viter le risque d endommager les mat riaux du foyer et d augmenter le risque d incendie n employez pas le foyer pour faire cuire ou r chauffer de la nourriture h 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 Always check your local building codes The installation must comply with all lo cal regional state and national codes and regulations This fireplace must be installed with Security Chimneys FTF8 8 203mm inside diam eter Chimney System only This fireplace is intended for indoor or outdoor installations The chimney system mustalways ventto the outside of the building or structure To ensure a Safe fireplace system and to prevent the build up of soot and creosote inspect and clean the fireplace and chimney priorto use and periodically during the heat ing season Burn approved fuels only as defined in the Homeowner s Care and Operation Manual 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 at safe
47. s If gas logs are installed the gas line holes and other openings should be caulked with high temperature caulk or stuffed with unfaced fiberglass insulation Note A 1 air space must be preserved for all insulation and construction materials extend ing for any continuous length adjacent to the chimney Itis especially importantto 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 bestto frame your fireplace after it is positioned and the chimney is installed Frame enclosure for chimney and fireplace with 2 x 4 s or heavier lumber Note The header may touch but not rest its weight on the two 2 metal top spacers on top of the unit The header must not be notched to fit around the spacers These fireplaces may sit directly on a com bustible surface A 1 air space is required between insulation and building materials and the chimney A 1 air space is required between combustible framing and fireplace outer wrapper In Canada the minimum height for a combus tible mantel is 18 457 mm above the fireplace opening Figure 51 shows typical Canadian installations Combustible mantels and trim may be installed 12 above the fireplace opening as per NFPA 211 latest edition and Figure 52 If a mantel is of a noncombustible material it i
48. s and products Consult your local distributor for fireplace code information ENNOX TM Printed in U S A 2005 by LENNOX HEARTH PRODUCTS 1110 West Taft Avenue 24 P N 850 030M REV B 04 2006 Orange CA 92865
49. s exempt from these requirements as long as it does not interfere with the installation or operation of glass doors Note 2 clearance to combustibles required in Canada Note Do not place any combustible materials on the fireplace face Finished Wall 8 Max 203mm Combustible Mantel Header Top Spacer A on Appliance 1 9 8 Min 18 Max 457mm Fireplace dum The shaded gray area showing 1 5 8 Min indicates non combustible materal is required Figure 51 Canadian Installation Finished Wall 1 5 8 Min 12 Min 9 5 g Min T S Fireplace Opening Both Of These Dimensions Must Be At Least 18 When An Unvented Gas Log Set Rated At 26 000 BTU Or Higher Is Used Maximum 40 000 BTU The shaded gray area showing 1 5 8 Min indicates non combustible materal is required Figure 52 Typical Installation NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE A WARNING Only non combustible materials are allowed on front face front fireplace frame and around the perimeter within 1 5 8 minimum on top and 1 2 on sides Ay AVERTISSEMENT Seulement on permet des mat ri auxnon combustibles sur le visage avant armature avant de chemi n e etautour du p rim tre a moins de 1 5 8 pouces sur le dessus et de pouce de 1 2 des c t s Hearth Extensions and Wall Shields A hearth extension must be installed with all fireplaces I
50. s of the ceiling and roof openings The size of the roof opening varies with the degree of pitch of the roof Underside Of Chimney Figure 48 Offset Elbow Assembly Offset elbows install the same as chimney sections First snap the inner section INTO the FTF8 E30 Return Elbow preceding inner section of flue Check connec tion by pulling up slightly to ensure a tight fit Next the outer sections snap lock OVER the preceding outer section of chimney Again check outer section by pulling up slightly to ensure proper connection is made Chimney Section S FTR 0 Elbow 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 Part of Offset Return Package Model FTF8 ES30 Step 4 Pull up slightly on return elbow to ensure locking joint has firmly engaged Figure 49 Step5 Secure support straps to framing members by nailing under tension in sheer Figure 50 Figure 46 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 18 Offset Elevation Chart FTF8 ES30 Offset Return Elbow FTF8 S4 Stabilizer Number of FTF8 Chimney Sections Table 4 0 0 0 0 0 0
51. stall the Outside Air Collar with the screws removed earlier see Figure 14 pa __ 4 Eo Nds Position the Air Gate Assembly as Shown mM Figure 10 Air Gate Assembly to Fireplace Figure 14 Reinstall Connector NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 4 Installan Outside Air Kit with ductand hood per the instructions provided with kit a If the outside air kit is NOT installed you must install the Outside Air Cover provided with the instructions kit b Ifan outside air kit IS installed the Outside Air Kit Gate must be installed see Page 23 of ordering information The Outside Air Kit Gates are required on all indoor installations only They are not approved for use on oudoor installations Air Gate Operation Instructions Install the Air Gate Kit per the instructions provided with kit see Page 23 for ordering information Air Gate Kit purchased separately Combustion Air Actuator Pull Forward to Open Push Back to Close Figure 15 To operate push the end of the actuator arm to the left as shown in Figure 15 until it pops free of its locked position Pull the actuator forward to open the combustion air door and push it back to close To lock the combustion air door closed ensure the actuator is pushed all the way back then push the end of the actua tors to the right until the step in the actuator moves behind the appliance front face within the slotted opening Operate
52. stitute a potential fire hazard and is not recommended A CAUTION Certain glass doors overlap the black metal facing ofthe fireplace IF the fireplace has been faced with noncombustible materials there might not be sufficient clearance to install the glass doors of your choice Ensure adequate clearance is maintained atall times so as not to interfere withthe installation and operation of glass doors 19 20 A ATTENTION Certaines portes de verre recou vrent le rev tement noir en m tal du foyer SI la facade du foyer a t recouverte avec des mat riaux non combustibles il se pourrait qu il n y ait pas suffisament de d gagement pour installer les portes de verre de votre choix Assurez d avoir un d gagmet suf fisant tout moment afin de ne pas interf rer avec l installation et l op ration des portes de verre COLD CLIMATE INSULATION If you live in a cold climate it is especially importantto sealall cracks around the fireplace opening with noncombustible material and wherever cold air could enter the room Sur rounding materials must be caulked where it meets the black metal facing of the fireplace to avoid cold air intrusion Use noncombustible caulking material only on fireplace facing to seal Also the outside air inlet duct should be wrapped with noncombustible insulation to minimize the formation of condensation Do not place insulation materials ontop of fireplace or against chimney section
53. stop spacer Model F8FS if chimney penetrates ceiling vertically If chimney penetrates ceiling at 30 angle offset chimney use 30 firestop spacer Model F8FS30 Use one nail on opposite sides to hold firestop spacer in position Nail permanently using atleast 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 Notes Indoor Installations If there is a room above ceiling level firestop spacer must be installed on the bottom side of the ceiling If an attic is above ceiling level firestop spacer must be installed on top side of ceiling joist Figures 29 amp 30 Outdoor Installations patio installation requires that a chimney passes through a roof or room above be sure to comply with all local building codes Room Above Firestop Spacer Figure 30 CHIMNEY 30 OFFSET THROUGH FLOOR OR CEILING It may be necessary to assemble the chimney at 30 when passing through the floor or ceiling area Use the F8FS30 firestop spacer as shown in Figures 31 amp 32 Supportthe chimney at floor or ceiling penetration with a FTF8 stabilizer if distance of chimney below ceiling is 10 or more Maintain 1 minimum air space to combustibles from chimney sections Attic Space F8FS30 Firestop Spacer 1 Min
54. t From Outside Ground Level 11 12 3 Cut or frame a hole through the outside wall for the installation of the duct inlet hood A 6 1 2 165 mm diameter hole is required Feed the loose end of the flexible duct through the hole cut for the inlet hood and attach to the collar on inlet hood using two 2 screws Insert the hood into the opening Secure in place with nails driven through the holes in hood flange Seal with noncombustible waterproof silicon type caulking If additional air duct is needed use Class 0 metallic duct Steps 6 Install Air Gate Kit Required on All Indoor Instlaltions When an Outside Air Kit is installed see assembly steps on Page 6 Install the Air Gate Kit per the instructions provided with kit and on Page 6 see Page 23 for ordering information Step 7 Outside Air Kit provided Required on All Outdoor Instlaltions Install the Outside Air Kit per the instructions provided with kit and on Page 7 Step 8 Route the Class 0 metallic air duct per the instructions on Page 8 Step 9 Cut or frame a hole through the outside of the enclosure for the installation of the duct inlet hood per the instructions on Page 8 INSTALLING THE CHIMNEY SYSTEM Step 1 Before continuing check the operation of the damper as described on Page 5 refer to Figure 3 Step 2 Using standard construction framing techniques construct opening for chimney route up through the ceiling s and roof or t
55. t is to protect the combustible floor in front of the fireplace from both radiant heat and sparks The hearth extension must extend 8 beyond both sides of the fireplace opening and 16 beyond the front see Figure 53 Use a hearth extension constructed of a durable noncombustible material having an equal or better lower value insulating value of k 84 BTU IN FT HR F ora thermal resistance that equals or exceeds r 1 19 HR F FT BTU IN With these values determine the minimum thickness material required using the formula and Table 5 Page 21 Note Any noncombustible material having a thickness of 1 whose k value is less than 64 or whose r value is more than 1 19 is ac ceptable If the fireplace is installed on a combustible floor use the metal safety strips provided on the floor extending half under the fireplace and half under the hearth extension refer to Figures 21 amp 22 A wall shield is required where a continuous perpendicular side wall is within 12 of the fireplace opening Figure 53 Use a 24 W x 30 Hx 1 2 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 7 from the fireplace opening If fireplace is installed diagonally across a 90 corner no wall shields are required Wall Shield Required Hearth Extension Dimensions
56. ther thickness materi Unfinished Shown Outside Chase als calculations will need to be made LS See Page 10 for Ceiling and Roof Framing Framing Face Dimensions Unfinished Shown Outside Chase Diagrams amp Illustrations Not to Scale 1 4 Back Wall of 3 882 iam Chase Enclosure OAK OD Combustion Including Finising Air Kit Materials Tested amp Beaverton Listed By Oregon USA ale OMNI Test Laboratories Inc 8 1 2 OTL Report No 116 F 35 2 rd 01 40 1016 42 1 2 1080 Framing Face Top View Unfinishad Shown Corner Installation Appliance Top Spacer A 9 5 8 244 mm 9 7 8 251 mm 36 914 mm Air Inlet Gas Line Access 12 7 8 327 mm ba 48 20 1 4 NEN 1016 mm 514 mm 42 1 2 1080 mm en sing Front Rignt side Pure 18 10 Framing Ceiling Frame the opening for the ceiling as speci ficed here Note Faming Dimensions in Canada amp USA are different because installations in USA require 1 Clearance to pipe Installations in Canada require 2 Clearance to pipe B A Ceiling Framing Framing Dimensions for Ceiling Inches millimeters 14 1 2 14 1 2 368 mm 368 mm 16 1 2 16 1 2 419 mm 419 mm 14 1 2 25 368 mm 63
57. tion when an outside air kit OAK OD duct amp hood is installed The Outside Air Kit Gate OAKG OD air gate amp arm must be purchased and installed before the fireplace is installed 1 Remove the Outside Air Collar located on the right hand side of the fireplace retain the screws See Figure 8 Photos A amp B 2 Install the Outside Air Kit Gate OAKG OD per the instructions in the kit and the following instructions using the screws provided a Assemble the Air Gate Arm to the Air Gate as shown in Figure 9 b Take the Air Gate Assembly and feed the arm through the round opening see Figure 10 and then through the side frame opening in the front as shown in Figure 11 Assemble the Air Gate and Arm as shown Using a screwdriver bend this tab outward if necessary for the arm to clear the opening 1 Air Gate Assembly Air Gate Arm Air Gate Assembly Firebox D Air Gate Arm When assembled onto appliance the notch here must be positioned as shown Figure 9 Outside Air Kit Gate IMPORTANT IF THE AIR GATE IS INSTALLED UPSIDE DOWN WITH THE NOTCH POSI TIONED ON THE UPPER HALF IT WILL NOT WORK PROPERLY REFER TO FIGURE 9 c Ensure the air gate arm remains attached to the air gate secure the Air Gate to the fireplace with the screws provided as shown in Figures 12 amp 13 d Verifythe mechanismis working by pulling to open and pushing to close co In
58. 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 34 Figure 34 The outer chimney section installs the opposite way the lanced end goes down and each new section goes OVER the outside of the previous section installed Figure 35 Locking Tabs Lances Figure 35 NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Note Assemble one component of chimney at a time inner section first then outer section last before proceeding with the next complete section Continue to assemble the chimney up through framed opening Assemble just enough to penetrate the roof flashing openings Figure 36 Always maintain 1 minimum air space to insulation and construction materials Always check each chimney joint inner and outer to ensure proper engagement Check vertical alignment of chimney so that it projects from the roof in true vertical position 1 Min Air Space To Combustibles Figure 36 Security s chimney sections do not need to be screwed together Additional reinforcement is notnecessary exceptin certain offset conditions refer to Page 16 Figure 47 Step 5 The height of vertical chimney pipe supported only by the fireplace must not exceed 30 Chimney heights above 30 must be sup ported by a Model FT
59. ts de tuy auterie devraient seulement etre effectues par un plombier qualifie et autorise La valve d alimentation de gaz princi pale doit etre fermee lors de l installation ou de l entretien de ce foyer NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE 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 the indentation located at the bottom and slightly off center in the side refractories THE KNOCKOUT IS ALWAYS REMOVED FROM INSIDE THE FIREPLACE DO NOT REMOVE THE KNOCKOUT UNLESS YOU ARE INSTALL ING A GAS LINE If removal is attempted from the outer wrapper side refractory damage may occur With a medium sized hammer lightly tap the surface of the indentation The 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 IMPORTANT REPACK INSULATION MATE RIAL IN SQUARE HOLE AROUND GAS LINE INTERIOR AND EXTERIOR OF FIREPLACE TO SEAL Glass Doors If glass doors are to be installed on these fireplaces refer to specific installation instruc tions packed with the glass doors Use only the doors that are listed for use with these fireplaces Use of other non listed glass door on these fireplaces may con
60. vering the joints of both pipe sections Use the nut provided and TIGHTEN snugly Do not overtighten as this might damage the chimney section refer to Figure 40 Note If chimney extends more than 8 above roof surface guy wires are also recommended Use three 3 guy wires attach to locking band assembly extend and secure to roof in a triangular pattern see Figure 41 Guy wires are not supplied by the manufacturer NOTE DIAGRAMS amp ILLUSTRATIONS ARE NOT TO SCALE Roof Ridge Figure 41 Step 10 Using a FTF8 CTD or FTF8 CTDT Round Termination 1 Hold the FTF8 CTD or CTDP over top of last chimney section Figure 42 2 Center inner slip section in inner flue pipe slip down FTF8 CTD or FTF8 CTDT Termination Chimney Figure 42 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 Using a FTF8 CTD FTF8 CTDT or CTDTM Chase Termination Refer to specific installation instructions 750 014M included with the FTF8 CTDT or 750 205M forFTF8 CTDTM chasetermination for clearance and installation details Using a FTF8 CT1 or FTF8 CT1P Chase Termination Refer to specific installation instructions 750 015M included with FTF8 CT1 chase terminations for clearance and installation details Using a FTF8 CT2 Chase Termination Refer to speci
61. 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 A WARNING The crack between the fireplace and the hearth extension must sealed with a noncombustible material A AVERTISSEMENT La fente entre le foyer et l extension d atre doit tre scell e avec un mat riel non combustible 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 7 above the bottom of fireplace Figure 54 When installing the hearth exten sion be careful not to block the heat circulating air inlet grill on circulating models A AVERTISSEMENT En installant la prolongation de foyer devant un mod le decirculation de chemin e la chemin e doit tre augment e si la taille de la prolon gation de foyer exc de 7 pouces au dessus du fond de la chemin e Figure 54 Eninstallant extension d atre faites attention a ne pas bloquer la grille d entr e d air sur les mod les a circulation d air NOTE DIAGRAMS amp I
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