INSTALLATION INSTRUCTIONS ESTATE SERIES 48" Wood Burning Fireplaces P/N 850,006M REV. D 05/2005 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 understand these instructions before beginning your installation. Do not alter or modify the fireplace or its components under any circumstances.
TABLE OF CONTENTS Safety Rules .................................... page 2 Tools and Building Supplies ............ page 2 Precautions ..................................... page 3 Introduction ..................................... page 3 Clearances/Height Requirements ..... page 3 Chimney System ............................. page 3 Assembly Outline ............................. page 4 Location of Fireplace ....................... page 4 Assembly Steps ...............................
PRECAUTIONS 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 techniques as well as prevailing local codes.
Insulate Joists Same As Ceiling Note: Do not insulate the chase cavity with blown or fill type insulation materials. 19" (483mm) 19" (483mm) Damper Closed Note: Local codes may not require firestopping at the ceiling levels for outside chase installations. However, it is recommended for safety and the reduction of heat loss.
Black Portion Of Frame Not To Be Covered With Combustible Materials Wall Covering 3 ¹⁄₄" 4 ³⁄₄" ¹⁄₂” 15° Door Opening 12” Safe Zone Figure 5 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. Install the chimney system. 3. Install optional outside combustion air kit. 4.
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 Strips with 1" Overlap 1" 1" Figure 9 IMPORTANT: UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS (FIGURE 10 ) 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.
FRAMING SPECIFICATIONS Framing Dimensions Back Wall of Chase/Enclosure Including Finising Materials if any Model EST-48 A 59 ¹⁄₂" 1511 mm B 53 ³⁄₈" 1346 mm FOAK Combustion Air Kit - Optional D K C 44 ⁄₂" 1130 mm D 22 ¹⁄₄" 565 mm E 104" 2641 mm F A B F 52" 1321 mm G 29 ³⁄₄" 755 mm J 31 ³⁄₄" 806 mm K 73 ¹⁄₂" 1867 mm Rough Framing Face (Unfinished Shown) E Corner Installation Figure 14 A Note: All framing dimensions calculated for 1/2" dry wall at the fireplace face.
CAUTION: ALLOW MINIMUM 2" CHIMNEY AIR SPACE TO COMBUSTIBLE FRAMING MEMBERS THROUGHOUT VERTICAL OR OFFSET CHIMNEY INSTALLATION. Anchor Tab Room Above 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 Framing Dimensions for Ceiling and Roof, which specify minimum ceiling and roof dimensions. Attic Above Figure 17 Step 4.
Step 4. Note: Chimney sections are constructed 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 FTF13 chimney system is a two piece chimney, which snap together from the fireplace up.
Step 8. The standard Security Chimneys F10 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 ).
3. The effective heights of various components are: MULTIPLE TERMINATIONS If more than one termination is located in the same chase or within the same general proximity, 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 34 ). This suggestion is provided in the interest of better operation.
FTF13 VERTICAL ELEVATION CHART Height Of Chimney Only Inches 11 17 21 27 33 35 37 43 51 55 61 67 69 79 85 89 95 103 113 119 123 129 137 147 153 158 164 171 182 188 192 198 206 215 222 226 232 240 250 256 260 266 274 284 290 294 300 308 318 324 328 334 342 352 358 363 369 376 387 393 397 403 411 421 427 431 437 445 455 12 ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₂ ¹⁄₂ ¹⁄₄ ¹⁄₂ ¹⁄₂ ³⁄₄ ³⁄₄ ¹⁄₂ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄₂ ¹⁄₂ ¹⁄₄ ¹⁄₂ ¹⁄₂ ³⁄₄ ³⁄₄ ¹⁄₂ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ³⁄₄ ¹⁄₄ ¹⁄₄ ¹⁄
FTF13 OFFSET ELEVATION CHART A2 C2 B2 A1 B1 C1 A2 C2 B2 A1 B1 C1 Figure 36 et Scr Eve ews r y Re Joi qu nt ired Pa st At 6' Joints Chimney Section No Joi Scre nts ws Fo Re r F qu irs ire t6 dI 'o n fO ffs 4' 6' No.
Step 3. Center outer-locking section over outer chimney pipe. Push down until locking joint has firmly engaged. AIR INLET EYEBROW ASSEMBLY Step 4. Pull up slightly on return elbow to ensure locking joint has firmly engaged. Step 5. Secure support straps to framing members by nailing under tension in sheer (Figure 40 ).
OPTIONAL EQUIPMENT CONSIDERATIONS Gas Line Connection The EST-48 has been listed to accept a ¹⁄₂" gas line for an approved gas appliance. Always have the appliance installed in accordance with all local building codes. CAUTION: ALL GAS CONNECTIONS SHOULD ONLY BE PERFORMED BY A QUALIFIED, LICENSED TRADESMAN. THE MAIN GAS SUPPLY MUST BE OFF WHEN PLUMBING THE GAS LINE TO THE FIREPLACE OR WHEN PERFORMING SERVICE WORK.
Hearth Extensions and Wall Shields A hearth extension must be installed with all fireplaces. It is to protect the floor in front of the fireplace from both radiant heat and sparks. For Model EST-48, the hearth extension must extend 12" beyond both sides and must extend 20" beyond the front. Use a durable noncombustible material having an equal or greater insulating value of k = .84 BTU IN/FT2 HR °F or a thermal resistance that equals or exceed r = 1.19 HR °F FT2/BTU IN.
The sum of all “R” values is: .70 + .10 + .068 + .5825 = 1.4505 This would be an acceptable combination of materials for the hearth extension since the total calculated “R” value of all material used exceed the required “R” value of 1.19. WARNING: THE CRACK BETWEEN THE FIREPLACE AND THE HEARTH EXTENSION MUST BE SEALED WITH A NONCOMBUSTIBLE MATERIAL. WARNING: THE FIREPLACE MUST BE RAISED IF THE HEIGHT OF THE HEARTH EXTENSION EXCEEDS 8 ¹⁄₂" ABOVE THE BOTTOM OF THE FIREPLACE (FIGURE 46 ).
INSTALLATION COMPONENTS Round Termination Firestop Spacer (Flat) Chimney Section 18 63L44 63L36 63L19 63L20 63L21 Flashing 63L40 63L41 F10F6 F10F12 Chase Termination (Square) 63L50 FTF13-CT1 Storm Collar 63L59 FSC FTF13-CTD F10FS-2 FTF13-12 FTF13-18 FTF13-36 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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 20 P/N 850,006M REV. D 05/2005 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.