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INSTALLATION
INSTRUCTIONS
ESTATE SERIES
48" Wood Burning Fireplaces
P/N 850,006M REV. C 04/2004
LENNOX HEARTH PRODUCTS
MODELS
EST-48 EST-48-H
This installation manual will enable you to obtain a safe, efficient and
dependable installation of your fireplace system. Please read and under-
stand these instructions before beginning your installation.
Do not alter or modify the fireplace or its components under any
circumstances. Any modification or alteration of the fireplace system,
including bu
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2. Always check your local building codes. The The manufacturer is not responsible for any TABLE OF CONTENTS installation must comply with all local, regional, smoking or related problems that may result Safety Rules .................................... page 2 state and national codes and regulations. from the lack of adequate combustion air. It is the responsibility of the builder/contractor to Tools and Building Supplies ............ page 2 3. These fireplaces must be installed with ensure tha
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Note: Illustrations shown reflect “typical” instal- When complete these fireplace systems con- PRECAUTIONS lations with nominal dimensions and are for sists of four basic “sub-systems”: design and framing reference only. Actual instal- Note: These fireplace systems are not difficult lations may vary due to individual design prefer- 1. The Fireplace to install. However, in the interest of safety, it ences. However, always maintain minimum clear- 2. The Chimney and Termination is recommended that
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Insulate Joists 19" Note: Do not insulate the chase cavity with Same As Ceiling (483mm) blown or fill type insulation materials. 19" (483mm) Damper Damper Note: Local codes may not require firestopping Closed Open at the ceiling levels for outside chase installa- tions. However, it is recommended for safety and the reduction of heat loss. Draft Stops Combustion Chimney Height Air Actuator The total height of your completed fireplace F10FS-2 system from the surface the fireplace rests on Firestop
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The fireplace may be positioned and then the Black Portion Of Frame Not To Be Covered With framing built around it, or the framing may be Combustible Materials constructed and the fireplace positioned into the opening. Wall Combustible 12” Covering Usually, no special floor support is needed for Wall 45° the fireplace, however, to be certain: 1” 1. Estimate the total weight of the fireplace 1" Door system including chimney and surround ma- Hearth Opening Extension terials such as brick, stone, e
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FIREPLACE SPECIFICATIONS 15" 8 ⁹⁄₁₆" 2" 48" Metal Safety Strips with 1" Overlap 45 ¹⁄₈" 28" Figure 8 8 ⁹⁄₁₆" 59 ³⁄₈" Platform Front 14 ¹ ₄" 14 ¹ ₄" 2" Special “Z” Metal Safety 1" 1" Strips with 1" Overlap Figure 9 IMPORTANT: UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS (FIGURE 53 ¹⁄₄" 53 ¹⁄₄" 10 ) BE REMOVED OR MODIFIED, NOR MAY Gas YOU NOTCH THE HEADER TO FIT AROUND OR Line Combustion BE INSTALLED LOWER THAN THE SPACERS. Access Air Access 11 ⁵⁄₈" THE HEADER MAY BE IN DIRECT CONTACT 13 ³
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FRAMING SPECIFICATIONS Framing Dimensions Back Wall of FOAK Combustion Chase/Enclosure Air Kit - Optional Model EST-48 Including Finising Materials if any A 59 ¹⁄₂" 1511 mm D B 53 ³⁄₈" 1346 mm K F C 44 ⁄₂" 1130 mm D 22 ¹⁄₄" 565 mm A E 104" 2641 mm E Rough Framing Face F 52" 1321 mm (Unfinished Shown) Corner Installation G 29 ³⁄₄" 755 mm B Figure 14 J 31 ³⁄₄" 806 mm K 73 ¹⁄₂" 1867 mm A Note: All framing dimensions calculated for 1/2" dry wall at the fireplace face. If sheathing the Figure 11 c
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CAUTION: ALLOW MINIMUM 2" CHIMNEY Room Above AIR SPACE TO COMBUSTIBLE FRAMING MEM- BERS THROUGHOUT VERTICAL OR OFFSET Anchor Tab CHIMNEY INSTALLATION. A minimum 2" air space must be reserved for all combustible materials extending for any continuous length surrounding the chimney. Firestop Spacer Reference Figures 15 and 16 and charts Fram- Figure 20 ing Dimensions for Ceiling and Roof, which specify minimum ceiling and roof dimensions. Attic Above Figure 17 In new construction, to determine chi
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Step 4. Note: Chimney sections are constructed Note: Assemble one component of chimney at Note: Do not apply excessive pressure to any a time (inner section first, then outer section subsequent chimney sections following the with a unique locking tab design, which en- sures an immediate, tight assembly between last) before proceeding with the next complete stabilizer when installing. Ensure each subse- sections. Plan your chimney requirements care- section. quent chimney section is securely atta
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Step 8. The standard Security Chimneys F10 Step 10. Using a FTF13-CTD Round Termination: Note: It is recommended that all exterior ex- roof flashing assemblies include a storm collar. posed metal fireplace components; such as Slide the storm collar over outer chimney, rest 1. Hold the FTF13-CTD over top of last chimney terminations, flashings, storm collars and/or on flashing spacers and align with top surface section (Figure 32 ). flue be painted with a premium quality, high of flashing. Insert
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3. The effective heights of various components A ¹⁄₈" diameter hole must be drilled in the MULTIPLE TERMINATIONS are: chimney joint using a ¹⁄₈" diameter drill. Hole should be drilled in center of joint overlap (see If more than one termination is located in the Figure 38 ). Be sure to drill only through the same chase or within the same general proxim- The Fireplace = 52 ¹⁄₂" outer chimney casting. Do not puncture the ity, we suggest they should be separated in FTF13-12 = 10 1/4" inner flue. di
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FTF13 VERTICAL ELEVATION CHART Height Of Number Of FTF13 Height Of Height Of Number Of FTF13 Height Of Chimney Only Chimney Lengths Chimney Only Chimney Only Chimney Lengths Chimney Only Inches Feet/Inches 12" 18" 36" MM M Inches Feet/Inches 12" 18" 36" MM M 11 0 11 1 0 0 279 0.28 461 ¹⁄₂ 38 5 ¹⁄₂ 0 1 13 11722 11.72 17 1 5 0 1 0 432 0.43 465 ¹⁄₂ 38 9 ¹⁄₂ 2 0 13 11824 11.82 21 ¹⁄₄ 19 ¹⁄₄ 2 0 0 540 0.54 471 ¹⁄₂ 39 3 ¹⁄₂ 1 1 13 11976 11.98 27 ¹⁄₄ 23 ¹⁄₄ 1 1 0 692 0.69 479 ¹⁄₂ 39 11 ¹⁄₂ 0 0 14 12179
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FTF13 OFFSET ELEVATION CHART A 2 A B FTF13-ES30 Number of FTF13 A B Offset Height Offset/Return FTF13-S4 Chimney Sections Offset Height (Inches) (Inches) Elbow Set Stabilizer 12" 18" 36" (mm) (mm) C 2 B 2 415 ³⁄₄ 1 0 0 0 0 102 400 924 ¹⁄₂ 1 0 1 0 0 229 622 A 1 12 29 ³⁄₄ 1 0 0 1 0 305 756 14 ¹⁄₄ 33 ¹⁄₂ 1 0 2 0 0 362 851 17 ¹⁄₄ 38 ¹⁄₂ 1 0 1 1 0 438 978 20 ¹⁄₄ 43 ³⁄₄ 1 0 0 2 0 514 1111 B 1 21 45 ¹⁄₄ 1 0 0 0 1 533 1149 C 1 22 ¹⁄₄ 47 ¹⁄₂ 1 0 2 1 0 565 1207 25 ¹⁄₄ 52 ¹⁄₂ 1 0 1 2 0 641 1334 26 ¹⁄₄ 54 ¹
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Step 3. Center outer-locking section over outer AIR INLET EYEBROW chimney pipe. Push down until locking joint ASSEMBLY has firmly engaged. Step 4. Pull up slightly on return elbow to ensure locking joint has firmly engaged. Step 5. Secure support straps to framing Underside Of Chimney members by nailing under tension in sheer (Figure 40 ). Figure 38 FOAK FTF13-E30 Return Elbow* Chimney Section (S) Return Figure 41 Elbow Step 3. The air inlet for the outside air kit is B FTF13-30 Offset Elbow* Fi
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CAUTION: WHEN USING THE DECORATIVE Surrounding materials must be caulked where OPTIONAL EQUIPMENT it meets the black metal facing of the fireplace GAS APPLIANCE, THE FIREPLACE DAMPER CONSIDERATIONS to avoid cold air intrusion. Use noncombus- MUST BE SET IN THE FULLY OPEN POSITION. tible caulking material only on fireplace facing Gas Line Connection to seal. Also, the outside air inlet duct should CAUTION: PLUMBING CONNECTIONS SHOULD be wrapped with noncombustible insulation to ONLY BE PERFORMED
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Hearth Extensions and Wall Shields Hearth Extension Dimensions Alternative Hearth Extension and Wall Shield Materials (For Figures 44 and 45 ) A hearth extension must be installed with all fireplaces. It is to protect the floor in front of the A 20" Listed Values Min. Thick fireplace from both radiant heat and sparks. For B 48" Material k r T L Model EST-48, the hearth extension must ex- C 12" tend 12" beyond both sides and must extend Millboard .84 1.19 1" D 72" 20" beyond the front. Use a dura
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The sum of all “R” values is: Combustible materials may project beyond the sides of the fireplace opening as long as they .70 + .10 + .068 + .5825 = 1.4505 are kept within the shaded areas illustrated in Figure 47. This would be an acceptable combination of materials for the hearth extension since the total calculated “R” value of all material used Combustible Fireplace Materials Allowed exceed the required “R” value of 1.19. in Shaded Areas 3 ¹⁄₄" Firestop Spacer (30°) 63L37 F10FS30-2 WARNING:
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INSTALLATION COMPONENTS 63L40 F10F6 Round Termination 63L44 FTF13-CTD Flashing 63L41 F10F12 Firestop Spacer (Flat) 63L36 F10FS-2 Chase Termination (Square) 63L50 FTF13-CT1 63L19 FTF13-12 63L20 FTF13-18 Storm Collar 63L59 FSC Chimney Section 63L21 FTF13-36 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 18
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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 19
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Lennox Hearth Products 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. © 2001 by LENNOX HEARTH PRODUCTS 1110 West Taft Avenue P/N 850,006M REV. C 04/2004 Orange, CA 92865 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 20
