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Lennox Hearth LA41CF manual

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Table of contents for the manual

  • Page 1

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 1 41" Wood Burning Fireplaces P/N 504,217M REV. E 04/2007 LA41CF LA41TCF MODELS WH Report No. J20017261-231 ELITE ™ SERIES 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 [...]

  • Page 2

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 2 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

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 3 Figure 1 TYPICAL INSTALLATION *Construction Materials: • framing materials • paneling • particle board • flooring • dry wall • etc. • plywood PRECAUTIONS Note: These fireplace systems are not difficult to install. However, in the interest of safety, it is recommended that the installe[...]

  • Page 4

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 4 Figure 2 Chimney Height The total height of your completed fireplace system from the surface the fireplace rests on to the chimney top must not exceed 60' and must also meet minimum height requirements. Refer to the minimum system height chart. LOCATION OF FIREPLACE Carefully select the proper[...]

  • Page 5

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 5 DO NOT permanently place furniture or other items such as decorative pillows within 60" of the fireplace front face. 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[...]

  • Page 6

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 6 FIREPLACE SPECIFICATIONS Figure 10 Figure 8 Figure 9 Blocking Metal Safety Strips Note: Safety strips are not required when fire- place rests on a noncombustible surface. Note: Install the hearth extension only as illus- trated. The safety strips should extend from front of the fireplace at least 1[...]

  • Page 7

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 7 Note: The framed depth, 28 ¹⁄₈ " (714 mm) from a 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 framed depth must be measured from the drywall surface. It is important that this dimen- sion be e[...]

  • Page 8

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 8 Step 4. Fireplace should be secured to side framing members using the full length nailing tabs at the top and bottom of the fireplace front face. Use 8d nails or equivalent ( Figure 17 ). For remodeling, plumb to center of flue collar from ceiling above, drive nail through ceiling from below to mar[...]

  • Page 9

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 9 Step 4. Note: Chimney sections are constructed with a unique locking tab design, which en- sures an immediate, tight assembly between sections. Plan your chimney requirements care- fully before assembly as chimney is difficult to disassemble after installation. If disassembled, the tabs might becom[...]

  • Page 10

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 10 Locking Band Waterproof Caulk Figure 29 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, if the chimney extends more than 6' above the roof flashing, the use of locking bands is advisable to strengt[...]

  • Page 11

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 11 A ¹⁄₈ " diameter hole must be drilled in the chimney joint using a ¹⁄₈ " diameter drill. Hole should be drilled in center of joint overlap ( Figure 37 ). Be sure to drill only through the outer chimney casting. Do not puncture the inner flue. Maximum offset of chimney system is[...]

  • Page 12

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 12 Figure 35 A 1 C 1 B 1 B 2 C 2 A 2 A 1 C 1 B 1 B 2 C 2 A 2 Figure 36 Chimney Section Joints No. 8 x 1/2" SMS Screws Required At Every Joint Past 6' No Screws Required In Joints For First 6' of Offset 4' 6' FTF10 VERTICAL ELEVATION CHART 1 1 0 1 1 100 1 7 1 5 010 21 ¹⁄₄[...]

  • Page 13

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 13 Figure 37 Figure 38 Underside Of Chimney Chimney Section (S) FTF10-E30 Return Elbow* FTF10-30 Offset Elbow* B A *Part of Offset/Return Package Model FTF10-ES30 INSTALLING OFFSETS First, review the Offset Elevation Chart and Figure 38 for reference. Step 1. Determine the offset distance where chimn[...]

  • Page 14

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 14 Note: See Framing and Dimension Chart for the sizes of the ceiling and roof openings. The size of the roof opening varies with the degree of pitch of the roof. Offset Elbow Assembly Offset elbows install the same as chimney sections. First, snap the inner section INTO the preceding inner section o[...]

  • Page 15

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 15 Figure 42 These fireplaces have been marked with a maximum rating of 40,000 BTU to assure that homeowners do not exceed the allowable lim- its for all allowed installations of mantles. NEVER INSTALL AN UNVENTED GAS LOG SET WITH A BTU GREATER THAN 40,000. CAUTION: WHEN USING THE DECORATIVE GAS APPL[...]

  • Page 16

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 16 Figure 43 A B D C C Hearth Extension Dimensions (For Figures 43 and 44 ) A 20" B 41" C 12" D 65" Note: Any noncombustible material whose k value is less than .84 or whose r value is more than 1.19 is acceptable. If the fireplace is installed on a combustible floor, use the meta[...]

  • Page 17

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 17 Answer - The minimum required thickness of the Micore 160 is .417 ” , therefore round up to nearest standard thickness available which is 1/2 ” . ** If the hearth extension material(s) that is intended to be used is NOT listed on Table 1, the material can still be used if the material(s) is no[...]

  • Page 18

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 18 Figure 46 Figure 45 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 [...]

  • Page 19

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 19 63L16 FTF10-12 63L17 FTF10-18 Chimney Section 63L18 FTF10-36 Storm Collar 63L59 FSC 63L40 F10F6 Flashing 63L41 F10F12 Round Termination 63L423 FTF10-CTD Chase Termination (Square) 63L49 FTF10-CT1 Firestop Spacer (Flat) 63L36 F10FS-2 Chase Termination (Round) 63L46 FTF10-CTDT Chase Termination (Squ[...]

  • Page 20

    NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 20 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. © 2000 by Lennox Hearth Product[...]