Lennox Hearth Products Magna-Fire LS43ST Installation Instructions Manual
Lennox Hearth Products Magna-Fire LS43ST Installation Instructions Manual

Lennox Hearth Products Magna-Fire LS43ST Installation Instructions Manual

Magna-fire 43" wood burning fireplace signature collection

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LENNOX HEARTH PRODUCTS
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
INSTALLATION
INSTRUCTIONS
43" Wood Burning Fireplace
P/N 850,004M REV. F 10/2006
MODELS
LS43ST
This installation manual will enable you to obtain a safe, efficient and
dependable installation of your fireplace system. Please read and
understand these instructions before beginning your installation.
Do not alter or modify the fireplace or its components under any
circumstances. Any modification or alteration of the fireplace system,
including but not limited to the fireplace, chimney components and
accessories, may void the warranty, listings and approvals of this system
and could result in an unsafe and potentially dangerous installation.
IMPORTANT! TO ASSURE PROPER ALIGNMENT OF GLASS DOORS:
INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CONDITION,
USING SHIMS AS NECESSARY AT SIDES AND/OR BOTTOM.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
MAGNA-FIRE
OTL Report No. 116-F-19-02
1

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Summary of Contents for Lennox Hearth Products Magna-Fire LS43ST

  • Page 1 INSTALLATION INSTRUCTIONS MAGNA-FIRE 43" Wood Burning Fireplace P/N 850,004M REV. F 10/2006 LENNOX HEARTH PRODUCTS MODELS LS43ST 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.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 2. Always check your local building codes. The The manufacturer is not responsible for any installation must comply with all local, regional, smoking or related problems that may result state and national codes and regulations. from the lack of adequate combustion air. It is Safety Rules ........
  • Page 3: Precautions

    However, always maintain minimum clear- The fireplace opening of the LS43ST must be employed in using finishing materials applied to ances to combustible materials and do not vio- kept a minimum of 12"...
  • Page 4: Chimney System

    Warranty. Chimney Height Insulate Joists Same As Ceiling The total height of your LS43ST fireplace system from the surface the fireplace rests Figure 3 on to the chimney top must not exceed 80' (24.4m) and must also meet minimum sys- LOCATION OF FIREPLACE tem height chart.
  • Page 5: Assembly Steps

    When locating the fireplace, consideration must PRE-INSTALLATION NOTES INSTALLING THE FIREPLACE be given to combustibles and final finishing. For an example of this, see Figure 5 and The fireplace may be installed directly on a Step 1. Slide the fireplace into prepared fram- confine the final location of combustible finish combustible floor or raised on a platform of an ing or position fireplace in its final position and...
  • Page 6: Framing Wall Variations

    Platform OR BE INSTALLED LOWER THAN THE SPAC- LS43ST fireplace. The following illustrations ERS. THE HEADER MAY BE IN DIRECT CON- depict these variations of wall enclosures. Sev- TACT WITH THE TOP SPACERS BUT MAY NOT eral of these designs may incorporate book BE SUPPORTED BY THEM.
  • Page 7: Framing Specifications

    FRAMING SPECIFICATIONS 58 ⁵⁄₈" (1490 mm) 47 ¹⁄₈" (1197 mm) 26 ¹⁄₄" 54 ³⁄₄" (667 mm) (1391 mm) Figure 14 19 ¹⁄₄" (489 mm) Allow 19” For Clearance 26 ¹⁄₄" (667 mm) For ⁵⁄₈" Drywall 26 ¹⁄₂" For ¹⁄₂" Drywall 58 ⁵⁄₈"...
  • Page 8: Fireplace Specifications

    FIREPLACE SPECIFICATIONS 27 ⁹⁄₁₆" 52 ¹¹⁄₁₆" (1335 mm) (701 mm) 58 ¹⁄₂" (1486 mm) 44 ¹⁄₈" Outside Air Inlet (1121 mm) This Side Only 24 ⁵⁄₈" 47" Gas Line Inlet (625 mm) 20 ¹⁄₁₆" (1194 mm) (508 mm) 9 ¹⁄₂" 8 ¹⁄₂"...
  • Page 9: Installing The Chimney System

    Step 3. Position appropriate firestop spacer at Step 2. Using standard construction framing Step 4. Two sets of nailing tabs have been ceiling and nail temporarily with two (2) 8d techniques, construct opening for chimney route provided. One set of four is to accommodate ⁵⁄₈"...
  • Page 10 The FTF13 chimney system is a two-piece chimney, which snaps together from the fire- place up. Start with the inner flue section. With the lanced end up, snap-lock it into the match- ing collar on top of the fireplace. At all subse- quent joints, the upper flue section fits into the preceding flue section.
  • Page 11 Step 6. Select proper Security Chimneys roof Step 8. The standard Security Chimneys FTF10 Step 10. Using an FTF13-CTD Round Ter- flashing based on pitch of roof. Use chart below roof flashing assembly includes a storm collar. mination: for selection: Slide storm collar over outer chimney, align 1.
  • Page 12: Ten Foot Rule Summary

    SPECIAL OFFSET INSTRUCTIONS safety, but does not ensure smoke-free opera- tion. Trees, buildings, adjoining roof lines, The minimum installed height of the LS43ST To clear any overhead obstructions, you adverse wind conditions, etc., may require a fireplace system (including fireplace and chim-...
  • Page 13: Vertical Elevation Chart

    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" Inches Feet/Inches 12" 18" 36" 461 ¹⁄₂...
  • Page 14: Offset Elevation Chart

    FTF13 OFFSET ELEVATION CHART FTF13-ES30 Number of FTF13 Offset Height Offset/Return FTF13-S4 Chimney Sections Offset Height (Inches) (Inches) Elbow Set Stabilizer 12" 18" 36" (mm) (mm) 15 ³⁄₄ 24 ¹⁄₂ 29 ³⁄₄ 14 ¹⁄₄ 33 ¹⁄₂ FTF13-E30 17 ¹⁄₄ 38 ¹⁄₂ Return Elbow* 20 ¹⁄₄...
  • Page 15: Offset Calculations

    The offset and return elbows may be attached Maximum offset of the chimney system is 30°. OFFSET ELBOW ASSEMBLY together, or a section or sections of chimney Two offset elbows must not be assembled to may be used between, but do not exceed 20' form a 60°...
  • Page 16: Offset Through Floor/Ceiling

    Air Kit and Room Above Figure 43 GLASS DOORS Glass Doors The LS43ST fireplace require the use of glass Fully Open doors. The selection of glass doors available Figure 44 for use with these fireplace are: 43LSBF, 43LSBF-B, 43LBF, 43LBF-BB, 43LBF-BS and 43TBA.
  • Page 17: Gas Line Connection

    MUST BE SET IN THE FULLY OPEN POSITION. GAS LINE INSTALLATION of glass doors. Vent Free Appliances The LS43ST fireplace has been approved to 8" Spacer accept a ¹⁄₂" (13 mm) gas line for an approved (203 mm) Max.
  • Page 18 Hearth Extension Dimensions 20" 39-3/8" 12" 63-3/8" Note: To convert inches to millimeters divide by 0.03937 Figure 48 Answer - The minimum required thickness of the Micore 160 is .417”, Methods of Determini ng Hearth Extension and Wall Shield therefore round up to nearest standard thickness available which is 1/2”. Equivalents - To determine the thickness required for the alternate material when either the “k”...
  • Page 19: Finish Requirements

    If common brick is used so that the 3 1/2” di- mension is the height, “R” for the common There are a wide variety of “finished looks” brick becomes: for your LS43ST fireplace from formal wall brick decor with elaborate mantels to rustic wood “R”...
  • Page 20 The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information. Printed in U.S.A. © 2002 by LENNOX HEARTH PRODUCTS 1110 West Taft Avenue P/N 850,004M REV.

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