Lennox Hearth Products LBC-3824 Installation Instructions Manual

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Summary of Contents:

[Page 1] Lennox Hearth Products LBC-3824

38" & 43" Wood-Burning Fireplaces P/N 850003M Rev. H 10/2011 LBR-3824 LBC-3824 LBR-3824-H LBC-3824-H LBR-4324 LBC-4324 LBR-4324-H LBC-4324-H MODELS WH Report No. 629-915173A ELITE SERIES This installation manual will enable you to obt...

[Page 2] Lennox Hearth Products LBC-3824

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] Lennox Hearth Products LBC-3824

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 a...

[Page 4] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 4 Figure 2 Chase Enclosure A chase is a vertical box-like structure con- structed to surround the fireplace and chimney. Refer to Figure 2 for a typical chase configura- tion. As with all ...

[Page 5] Lennox Hearth Products LBC-3824

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 ins...

[Page 6] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 6 FIREPLACE SPECIFICATIONS Figure 10 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 event a wooden suppor...

[Page 7] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 7 Note: The framed depth, 25-1/2" (648 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 fra...

[Page 8] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 8 Figure 17 Step 5. The fireplace should be secured to the side framing members through the nailing flange ( Figure 18 ). Figure 18 Note: The nailing flange and the area directly behind the nailing fl...

[Page 9] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 9 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 F10FS30-2 firestop spacer as shown in Figure...

[Page 10] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 10 Locking Band Waterproof Caulk Figure 32 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 chimne...

[Page 11] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 11 Figure 34 3. Center the outer locking section over outer flue pipe. Push down until all locking tabs are firmly engaged and locked. 4. Pull up slightly on CTDTM to ensure the locking joint is firmly...

[Page 12] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 12 Figure 38 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 39 Chimney Section Joints No. 8 x 1/2" SMS Screws Required At Every Joint Past 6' No Screws Required In Joints For First 6&...

[Page 13] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 13 FTF10 VERTICAL ELEVATION CHART 11 0 11 1 0 0 279 0.28 17 1 5 0 1 0 432 0.43 21 ¹⁄₄ 19¹⁄₄ 2 0 0 540 0.54 27 ¹⁄₄ 23¹⁄₄ 1 1 0 692 0.69 33 ¹⁄₄ 29¹⁄₄ 0 2 0 845 0.85 35 2 11 ...

[Page 14] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 14 Figure 40 Figure 41 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 ...

[Page 15] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 15 Offset Elbow Assembly Offset elbows install the same as chimney sections. First, snap the inner section INTO the preceding inner section of flue. Check connec- tion by pulling up slightly to ensure ...

[Page 16] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 16 Vent Free Appliances These units have been tested and approved to ANSI/IAS/AGA Z21.11.2 for use with unvented gas appliances and complies with the stan- dard for Factory-Built fireplaces, UL 127. Th...

[Page 17] Lennox Hearth Products LBC-3824

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 inte...

[Page 18] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 18 Figure 47 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. Onl...

[Page 19] Lennox Hearth Products LBC-3824

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 19 Storm Collar 63L59 FSC Figure 49 Outside Combustion Air Kits (with duct) 81L87 FOAK (without duct) 81L88 FOAK-LD Firestop Spacer (30°) 63L37 F10FS30-2 INSTALLATION COMPONENTS The following items ar...

[Page 20] Lennox Hearth Products LBC-3824

20 INSTALLATION COMPONENTS (continued) NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Forced Air Kit 12M73 LFAK-2000 Cold Climate Kit 63L63 FTF10-CCK1-LD Chase Termination 96L21 FTF10-CTT Arch Type Termination 96L23 FTF10-ATT Variable Speed Wall Sw...