Lennox EST-36 Installation Instructions Manual
Lennox EST-36 Installation Instructions Manual

Lennox EST-36 Installation Instructions Manual

Estate series 36"/42"/50" wood-burning fireplaces

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p/n 506023-11 rev. E 06/2011
This manual is one of a set of three supporting this product.
Refer to P/N 506025-04 for Care and Operation Instructions and
P/N 750094M for detailed refractory panel placement instructions.
Ce manuel est disponible en francais, simplement en faire la
demande. Numéro de la pièce 506223-17.
InstallatIon Instruc tIons
Estate Series 36"/42"/50"
Wood-Burning Fireplaces
MODELS
Est-36
Wh report no. J20054576-231
Please read and understand these instructions before beginning
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 EnsurE propEr alIgnmEnt of glass doors:
Install thIs fIrEplacE In a squarE and plumb condItIon,
usIng shIms as nEcEssary at sIdEs and/or bottom.
*Note: Model EST-50 is not available in Canada.
rEtaIn thEsE InstructIons
for futurE rEfErEncE.
Est-42
Est-50*
pfs report no. 09-185

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Summary of Contents for Lennox EST-36

  • Page 1 InstallatIon Instruc tIons Estate Series 36"/42"/50" Wood-Burning Fireplaces MODELS p/n 506023-11 rev. E 06/2011 Est-36 Est-42 Est-50* This manual is one of a set of three supporting this product. Refer to P/N 506025-04 for Care and Operation Instructions and P/N 750094M for detailed refractory panel placement instructions.
  • Page 2: Table Of Contents

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS tablE of contEnts safEty rulEs 12. Always ensure that an adequate supply of replacement combustion air from the outside Packaging List ........page 2 IMpOrTanT: pLEaSE rEaD anD of the house is accessible to the fire to support safEty rulEs ......
  • Page 3: Precautions

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS prEcautIons IntroductIon WarnIng general Information Note: These fireplace systems are not difficult to install. However, in the interest of safety, it failure to use manufacturer-...
  • Page 4: Assembly Outline

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS Note: Do not insulate the chase cavity with Insulate Joists Same as Ceiling blown or fill type insulation materials. Damper chImnEy hEIght Damper OPEN...
  • Page 5: Pre-Assembly Steps

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS prE-InstallatIon notEs cautIon: do not blocK thE hEat-cIr- Black Portion Of Frame Not To Be Covered With culatIng aIr InlEt and outlEt ports The fireplace may be installed directly on a Combustible Materials on cIrculatIng modEls.
  • Page 6: Installing The Est-50 Outer Transition Assembly

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallIng thE Est-50 outEr transItIon assEmbly 1.3. With the other hand, grasp the top of the outer transition and pull forward (Figure A-4, below).
  • Page 7 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallIng thE Est-50 outEr transItIon assEmbly step 5. attach damper assembly to inner transition flange. (continued from previous page) 5.1. See Figure 8, below. Insert the damper link through the inner transition flange, and then place the inner transition collar over the step 4.
  • Page 8 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallIng thE Est-50 outEr transItIon assEmbly 7.2. See Figure A-13, below. While tilting one of the front standoffs forward, slide the front flange of the outer transition under the rear (continued from previous page) holes of the standoff, and align the screw holes.
  • Page 9: Installing The Fireplace

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallIng thE fIrEplacE The safety strips should extend from front and step 3. Refer to fireplace drawings and spe- sides of the fireplace 2" (51 mm). In the event a ci fications on pages 10 and 11 for framing step 1.
  • Page 10: Fireplace Specifications

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS fIrEplacE spEcIfIcatIons 15" O.D. (381 mm) Front View Note: Outside air kit installs on RIGHT side for EST-50. Left Side Right Side Top View Unit Model No.
  • Page 11: Framing Specifications

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS framIng spEcIfIcatIons Back Wall of Chase/Enclosure notE: Including Finishing Materials if any • The framed depth from a framed wall (item “G” in the framing dimensions table below) must always be measured from a finished surface.
  • Page 12: Installing The Chimney System

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS step 5. Secure the fireplace to the side framing Note: If the fireplace is installed against an members using the nailing flange. Use 8d nails inside wall, the Class 0 air duct may be ex- or equivalent (Figure 18 ).
  • Page 13 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS For Canada Only Outer pipe section installs in just the opposite Install the Model FTF10-S4 stabilizer by fitting way; the lanced end goes down and each new...
  • Page 14: Ten Foot Rule Summary

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS step 7. Secure flashing by nailing along the Note: If chimney extends more than 8' above FTF10-CT2RS 2" (51mm) Min. Termination Air Space to perimeter into roof using 8d nails.
  • Page 15: Multiple Terminations

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS multIplE tErmInatIons 1. Determine total vertical height of the fireplace 4. Determine amount of chimney height required installation. This dimension is the distance from...
  • Page 16: Offset Calculations

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS offsEt calculatIons step 1. Use Offset Chart to determine amount of horizontal offset (A) and height (B) for various Joints chimney section assemblies. FTF10 Chimney step 2.
  • Page 17: Vertical Elevation Chart

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS ftf10 and ftf13 VErtIcal ElEVatIon chart height of number of height of number of height of number of height of number of chimney only...
  • Page 18: Installing Offsets

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallIng offsEts step 4. Pull up slightly on return elbow to ensure Room Above locking joint has firmly engaged. First, review the Offset Elevation Chart on the F10FS30-2 2"...
  • Page 19: Optional Equipment Considerations

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS optIonal EquIpmEnt If additional length of duct is necessary, pur- Outside combustion air ducting may be run chase locally available U.L. Class 0 or Class 1...
  • Page 20: Gas Line Connection

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS gas lInE connEctIon Vent free appliances fIrEplacE fInIshEs mantels and trim The Estate Series fireplaces have been approved These units have been tested and approved to to accept a 1/2"...
  • Page 21: Hearth Extensions/Wall Shields

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS models 20" 36" 12" 60" Est-36 (508mm) (914mm) (305mm) (1524mm) 20" 42" 12" 60" Est-42 (508mm) (1066mm) (305mm) (1524mm) 20" 50" 12" 74" Est-50...
  • Page 22 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS LISTED MATERIAL 40" Wall Shield (1016mm) Required if k (per inch) r (per inch) Listed Min.Thickness less than 18" (457mm) " Listed Material 1.19 40"...
  • Page 23: Finish Requirements

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS FIREPLACE FINISHES: Vertical Surround Limitations fInIsh rEquIrEmEnts The sum of all “R values” is: .70 + .10 +. 038 Combustible materials may project beyond the Combustible materials may project beyond the sides + .10 = .938...
  • Page 24: Installation Components

    LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallatIon componEnts The following items are available for use in the installation of this appliance. Separate installation instructions are packaged with all combustion air kits and chimney terminations.
  • Page 25 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS InstallatIon componEnts (continued) chase top shroud Kit, arch top 3x3 termination shroud all models: h1988 ctsa-33 Est-36 / Est-42: 63l56 ftf10-tms locking band all models:...
  • Page 26 LENNOX HEARTH PRODUCTS • ESTATE™ SERIES WOOD-BURNING FIREPLACES • MODELS EST-36, EST-42, EST-50 • INSTALLATION INSTRUCTIONS Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, and prices, and also to discontinue colors, styles, and products.

This manual is also suitable for:

Estate st-36Estate est-42Estate est-50

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