Table of Contents
Advertisement
Quick Links
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 appliance should be performed by
Installation Manual
Installation and Fireplace Setup
Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17
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
Advertisement
Table of Contents
Related Manuals for Heatilator MHST36D
Summary of Contents for Heatilator MHST36D
- Page 1 Installation and service of this appliance should be performed by For use with solid wood fuel only. Other fuels may overfire and generate poisonous gases (i.e. carbon monoxide). Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17...
-
Page 2: Table Of Contents
B. Assemble Chimney Sections C. Secure Offset/Return D. Install Ceiling Firestops E. Install Attic Insulation Shield F. Roof Penetration G. Install MH842 Ceiling/Roof Thimble H. Termination Cap Requirements Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... - Page 3 Comments: Further description of the issues, who is responsible (Installer/Builder/Other Trades, etc.) and corrective action needed: Comments communicated to party responsible __________________________ by ______________________on _________ (Builder/Gen. Contractor) (Installer) (Date) 4012-087 • Rev A • 09/09/14 Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17...
-
Page 4: Product Specific & Important Safety Information
Listed or approved 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 • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 5: Getting Started
Enclosed space above and around fireplace Mantel and surround Decorative facing and trim Hearth extension Outside combustion air Factory-built fireplace Protective metal hearth strip(s) Figure 2.1 Typical Fireplace System Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 6: Design And Installation Considerations
(914 mm) 16 in. (406 mm) 1/2 in. (13 mm) all configurations 12 in. (305 mm) min. to perpendicular 48 in. wall. (1219 mm) Figure 2.2 Fireplace Locations Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 7: Locating Fireplace & Chimney
• Insulated exterior chase in cooler climates • Avoid outside wall Windward Leeward Not recommended in basement due to high negative pressure concerns that effect draft Figure 2.3 Recommended Chimney Locations Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 8: Tools And Supplies Needed
Report to your dealer any parts damaged in shipment. • Read all the instructions before starting the installation. Follow these instructions carefully during the installation to ensure maximum safety and benefit. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 9: Framing And Clearances
12 in. 12 in. 9-5/8 in. (191 mm) (914 mm) (305 mm) (305 mm) (244 mm) 6 in. 7-1/8 in. (152 mm) (181 mm) Figure 3.1 Fireplace Dimensions Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 10: Clearances
0 in. to level of standoffs 1/2 in. (13 mm) to sides of appliance 48 in. 1219 mm 0 in. to floor Figure 3.2 Clearances to Combustible Materials Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 11: Frame The Fireplace
The fireplace should be positioned so the face of the non- combustible material on the fireplace will be flush with the face of the drywall on the walls. Level the fireplace and shim as necessary. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 12: Protective Metal Hearth Strips
USE CARE when operating the handle. Locate outside air inlet hood to prevent blockage from leaves, snow/ice, or other debris. Blockages could cause combustion air starvation. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... - Page 13 Attach the door assembly to the fireplace using the screws provided. Flexible Duct Flexible Duct Outside Air Plate Assembly 2 Wire Ties 2 Wire Ties Figure 3.9 Outside Air Installation Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17...
-
Page 14: Chimney And Termination Requirements
16 ft (4.88 m) min. height (single offset-return) 47-1/4 in. 20 ft. (6.10 m) min. height (double offset-return) (1200 mm) 90 ft (27.4 m) max. height Effective Height Figure 4.1 Chimney Requirements Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 15: 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 • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 16: Termination Requirements
10 ft (3 m) of the chimney Chimney must extend 3 ft (.9 m) above the roof Figure 4.3 Multiple Chimney Locations Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 17: Chimney Installation
Attic shield movement Ceiling firestops are required where chimney passes through ceiling or floor Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 18: Assemble Chimney Sections
Vertical straight runs of chimney must be supported every 35 ft (10.7 m). Figure 5.2 Assembling Chimney Sections WARNING! Risk of Fire! DO NOT install substitute or damaged chimney components. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 19: Secure Offset/Return
• Use an attic insulation shield if the ceiling is insulated. The ceiling firestop may then be attached above or below the joists. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 20: Install Attic Insulation Shield
If they have been connected correct- Seal with tape ly, they will not disengage when tested. Figure 5.7 Install Attic Insulation Shield (firestop below ceiling) Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 21: Roof Penetration
Ceiling/Attic Construction be caulked with a roofing sealant. • Caulk the overlap seam of any exposed pipe sections that are located above the roof line to prevent leaks. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 22: Install Mh842 Ceiling/Roof Thimble
• Refer to Chapter 25 of the Uniform Building Code for roof framing details. 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 5.9 MH842 Installation Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 23: Finishing
2 in. (51 mm) Figure 7.2 Decorative Facing Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 24: Hearth Extension, Building And Finishing
14.3-20.0 0.07-0.05 14 5/8 in. - 20 3/8 in. Marble • Choose finishing materials carefully. CAT. # 1321 Figure 7.3 Hearth Extension Dimensions Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 25: Fireplace Installed Flush On The Floor And Hearth Extension Raised To Bottom Of Firebox Opening
Noncombustible HX4 or Framing Material equivalent Figure 7.4 Hearth Extension Construction Figure 7.6 Raised Platform Hearth Extension-Framing Non-combustible Finishing Materials Figure 7.7 Raised Platform Hearth Extension-Finishing Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 26: Raised Hearth Extension And Raised Fireplace
Protective Metal Hearth Strips Non-combustible Floor and platform constructed of Framing Material wood or other combustible material Figure 7.8 Raised Hearth Extension and Fireplace Framing Materials Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 27: Non-Combustible Sealant Material
Non-combustible Sealant Figure 7.9 Place Non-combustible Sealant WARNING! Risk of Fire! Hearth & Home Technologies is not responsible for discoloration, cracking or other material failures of finishing materials due to heat exposure or smoke. • Choose finishing materials carefully. Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 28: Mantel And Wall Projections
Measured from top of fireplace opening Seal joint with non-combustible sealant to prevent heat from being drawn into the wall cavity ► Figure 7.10 Mantel Specifications Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 29: Sidewalls/Surrounds
[248 mm] 40 in. [1016 mm] 12 in. 12 in. [305 mm] [305 mm] Figure 7.11 Mantel Leg, Surround or Wall Projection (acceptable on both sides of opening) Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 30: Fireplace Setup
Repack beyond 4 in. (102 mm) insulation from fireplace side. knockout 4 in. (102 mm) Figure 8.1 Gas Line Installation Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... -
Page 31: Reference Materials
Diameter 42 in. 20-3/4 in. 8 in. (1067 mm) (527 mm) (203 mm) Outside 4-3/4 in. (121 mm) Diameter Effective Height 10-1/2 in. (267 mm) SL3 Chimney Stabilizer Heatilator • MHST36D Installation Manual • 4012-086 • Rev D • 03/17... - Page 32 368 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 • MHST36D Installation Manual • 4012-086 • Rev D • 03/17...
-
Page 33: 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 • MHST36D Installation Manual • 4012-086 • Rev D • 03/17...