Heatilator MEL36 Installation Manual
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INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
NOTICE: DO NOT discard this manual!
Model(s):
WOODBURNING FIREPLACE
Manufactured Home Approved
Installation and service of this fireplace should be
performed by qualified personnel. Hearth & Home
Technologies recommends NFI certified profes-
sionals, or technicians supervised by an
NFI certified professional.
Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15
Installation Manual
Installation and Fireplace Setup
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury, or death.
• DO NOT store or use gasoline or other flam-
mable vapors and liquids in the vicinity of this
or any other appliance.
• DO NOT overfire. Overfiring will void your
warranty.
• Comply with all minimum clearances to com-
bustibles as specified. Failure to comply may
cause house fire.
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
fireplace.
• Alert children and adults to hazards of high temperatures.
High temperatures may ignite clothing or other flammable
materials.
• Keep clothing, furniture, draperies and other flammable
materials away.
WARNING
Fire Risk.
For use with solid wood fuel only.
Other fuels may overfire and generate
poisonous gases (i.e. carbon monoxide).
1

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Summary of Contents for Heatilator MEL36

  • Page 1 For use with solid wood fuel only. sionals, or technicians supervised by an NFI certified professional. Other fuels may overfire and generate poisonous gases (i.e. carbon monoxide). Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 2: Table Of Contents

    A. Typical Chimney System B. Assemble Chimney Sections C. Roof Penetration D. Thimble Instalation E. Install Ceiling Firestops F. Install Attic Insulation Shield G. Termination Cap Requirements Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 3: Product Specific & Important Safety Information

    Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. For assistance or additional information, consult a qualified installer, service agency or your dealer. Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 4: Getting Started

    Hearth extension Outside combustion air Factory-built fireplace Protective metal hearth strip(s) *Chimney Air Kit (not shown) required in Canada *Glass doors not shown. Figure 2.1 Typical Fireplace System Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 5: Selecting Fireplace Locations

    73 7/ 8 65 1/ 2 37 1/ 4 52 1/ 4 21 1/ 2 ME L42 perpendicular wall. 1219 1422 1876 1664 1327 Figure 2.2 Fireplace Locations Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 6: Design And Installation Considerations

    Non-combustible finish material Flat blade screwdriver Electric drill and bits Plumb line Safety glasses Level Tape measure 1/2-3/4 in. length, #6 or #8 self-drilling screws Misc. screws and nails Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 7: Framing And Clearances

    (191 mm) (359 mm) 7.50 in. (191 mm) Model # 13.45 in. 23.75 11.87 MEL36 (476 mm) 1041 29.75 14.87 MEL42 1067 1194 Figure 3.1 Fireplace Dimensions Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 8: Clearances

    0 in. to level of standoffs 1/2 in. (13 mm) to back & sides of appliance 48 in. 1219 mm 0 in. to floor Figure 3.2 Clearances to Combustible Materials Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 9: Frame The Fireplace

    If interior of chase will be drywalled, add the thickness to this measurement. ** Adjust header height for a raised floor under fireplace. Figure 3.3 Framing the Fireplace Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 10: Protective Metal Hearth Strips

    *Use UL181 Class O or Class 1 rigid or flexible duct- ing. 2 in. 1 in. (25 mm) min. (51 mm) overlap Floor 2 in. (51 mm) Figure 3.5 Protect the Front of an Elevated Platform Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 11: Chimney And Termination Requirements

    6 ft (1.83 m) max. unsupported chimney above roof Thimble application shown Ceiling Firestop 13 ft. (3.96m) 39 1/2 in. (1003 mm) min. straight Effective Height Figure 4.1 Chimney Requirements Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 12: Offsets/Returns

    103 1/2 2629 49 1/4 1251 94 1/2 2400 Proper assembly of air-cooled chimney parts result in an overlap at chimney joints of 1-1/4 in. (32 mm). Effective length is built into this chart. Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 13: Termination Requirements

    10 ft (3 m) of the chimney Chimney must extend 3 ft (.9 m) above the roof Figure 4.3 Termination Cap Locations Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 14: Chimney Installation

    Attic shield movement Ceiling firestops are required where chimney passes through ceiling or floor Figure 5.2 Typical Chimney System - Attic Shield Application Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 15: Assemble Chimney Sections

    • Vertical straight runs of chimney must be supported every 35 ft (10.7 m). Figure 5.5 Ceiling/Attic Construction Figure 5.3 Assembling Chimney Sections Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 16: Thimble Instalation

    Finish assembling the chimney, storm collar and termination cap following the installation instructions provided with them. NOTE: Roofing shingles must be below the flashing plate on the lower side of a sloped roof and over the flashing plate on the sides and top. Figure 5.6 MH Installation Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 17: Install Ceiling Firestops

    Note: Use same dimensional lumber for framing ceiling firestop and joists. Catalog # FS338 14-1/2 14-1/2 FS339 14-1/2 18-3/8 FS340 14-1/2 Figure 5.7 Installing the Ceiling Firestop Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 18: Install Attic Insulation Shield

    14-1/2 in. (368 mm) Tabs diameter bent in 90° and taped Insulation Insulation 10-1/2 in. Ceiling Firestop Pipe (267 mm) Figure 5.10 Install Attic Insulation Shield (firestop below ceiling) Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 19: Finishing

    2 in. (51 mm) Figure 6.2 Decorative Facing Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 20: Hearth Extension, Building And Finishing

    14 5/8 in. - 20 3/8 in. Marble • Refer to Table 6.2 for hearth extension insulation alternatives. Model # MEL36 1321 MEL42 1067 1676 Figure 6.3 Minimum Non-Combustible Hearth Extension Dimensions Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 21: Hearth Extension 4" Or More Below Fireplace Opening

    Non-combustible Framing Material 1/2 in. Micore Protective Metal Floor or platform or equivalent Hearth Strips insulation Figure 6.5 Raised Hearth Extension Detail Figure 6.9 Place Non-combustible Sealant Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 22: Mantel And Wall Projections

    1 1/2 in./38 mm minimum maximum Measured from top of fireplace opening Non-combustible Decorative Facing such as: Steel, iron, brick, tile, concrete, slate, glass, plasters. Figure 6.10 Mantel Specifications Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 23: Sidewalls/Surrounds

    Model # [305 mm] [305 mm] ME L36 1041 ME L42 1067 1194 Figure 6.11 Mantel Leg, Surround or Wall Projection (acceptable on both sides of opening) Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 24: Fireplace Setup

    Repack beyond 4 in. (102 mm) insulation from fireplace side. knockout 4 in. (102 mm) Figure 7.1 Gas Line Installation Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 25: Reference Materials

    Outside 4-3/4 in. (121 mm) Diameter UD4/6 Uninsulated Duct Effective Height 10-1/2 in. (267 mm) 6 in. (152.4 mm) i.d. SL3 Chimney Stabilizer 42 in. (1067 mm) Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 26 368 mm 15-3/4 in. FS339 15-deg. 18-3/8 in. 467 mm (400 mm) FS340 30-deg. 23 in. 584 mm TR344 Round Termination Cap MH841 MH842 Roof Thimble & Flashing Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...
  • Page 27: Optional Components

    7571 215th Street West, Lakeville, MN 55044 www.heatilator.com Please contact your Heatilator dealer with any questions or concerns. For the location of your nearest Heatilator dealer, please visit www.heatilator.com. Heatilator • MEL36, MEL42 Installation Manual • 4044-212 • Rev D • 01/06/15...

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